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Split all git commands into separate files

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Moved commands are `git clone`, `git export`, `git fetch`, `git import`,
`git init`, `git push`, `git remote`, and `git submodule`.
This commit is contained in:
Matt Kulukundis 2024-06-16 18:00:11 -04:00 committed by Matt Fowles Kulukundis
parent a6d470dbc3
commit 2364cf2c21
15 changed files with 1657 additions and 1352 deletions
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1350
cli/src/commands/git.rs
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211
cli/src/commands/git/clone.rs Normal file
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// Copyright 2020-2023 The Jujutsu Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
use std::io::Write;
use std::path::{Path, PathBuf};
use std::{fs, io};
use jj_lib::git::{self, GitFetchError, GitFetchStats};
use jj_lib::repo::Repo;
use jj_lib::str_util::StringPattern;
use jj_lib::workspace::Workspace;
use crate::cli_util::{CommandHelper, WorkspaceCommandHelper};
use crate::command_error::{user_error, user_error_with_message, CommandError};
use crate::commands::git::{map_git_error, maybe_add_gitignore};
use crate::git_util::{get_git_repo, print_git_import_stats, with_remote_git_callbacks};
use crate::ui::Ui;
/// Create a new repo backed by a clone of a Git repo
///
/// The Git repo will be a bare git repo stored inside the `.jj/` directory.
#[derive(clap::Args, Clone, Debug)]
pub struct CloneArgs {
/// URL or path of the Git repo to clone
#[arg(value_hint = clap::ValueHint::DirPath)]
source: String,
/// The directory to write the Jujutsu repo to
#[arg(value_hint = clap::ValueHint::DirPath)]
destination: Option<String>,
/// Whether or not to colocate the Jujutsu repo with the git repo
#[arg(long)]
colocate: bool,
}
fn absolute_git_source(cwd: &Path, source: &str) -> String {
// Git appears to turn URL-like source to absolute path if local git directory
// exits, and fails because '$PWD/https' is unsupported protocol. Since it would
// be tedious to copy the exact git (or libgit2) behavior, we simply assume a
// source containing ':' is a URL, SSH remote, or absolute path with Windows
// drive letter.
if !source.contains(':') && Path::new(source).exists() {
// It's less likely that cwd isn't utf-8, so just fall back to original source.
cwd.join(source)
.into_os_string()
.into_string()
.unwrap_or_else(|_| source.to_owned())
} else {
source.to_owned()
}
}
fn clone_destination_for_source(source: &str) -> Option<&str> {
let destination = source.strip_suffix(".git").unwrap_or(source);
let destination = destination.strip_suffix('/').unwrap_or(destination);
destination
.rsplit_once(&['/', '\\', ':'][..])
.map(|(_, name)| name)
}
fn is_empty_dir(path: &Path) -> bool {
if let Ok(mut entries) = path.read_dir() {
entries.next().is_none()
} else {
false
}
}
pub fn cmd_git_clone(
ui: &mut Ui,
command: &CommandHelper,
args: &CloneArgs,
) -> Result<(), CommandError> {
let remote_name = "origin";
let source = absolute_git_source(command.cwd(), &args.source);
let wc_path_str = args
.destination
.as_deref()
.or_else(|| clone_destination_for_source(&source))
.ok_or_else(|| user_error("No destination specified and wasn't able to guess it"))?;
let wc_path = command.cwd().join(wc_path_str);
let wc_path_existed = match fs::create_dir(&wc_path) {
Ok(()) => false,
Err(err) if err.kind() == io::ErrorKind::AlreadyExists => true,
Err(err) => {
return Err(user_error_with_message(
format!("Failed to create {wc_path_str}"),
err,
));
}
};
if wc_path_existed && !is_empty_dir(&wc_path) {
return Err(user_error(
"Destination path exists and is not an empty directory",
));
}
// Canonicalize because fs::remove_dir_all() doesn't seem to like e.g.
// `/some/path/.`
let canonical_wc_path: PathBuf = wc_path
.canonicalize()
.map_err(|err| user_error_with_message(format!("Failed to create {wc_path_str}"), err))?;
let clone_result = do_git_clone(
ui,
command,
args.colocate,
remote_name,
&source,
&canonical_wc_path,
);
if clone_result.is_err() {
let clean_up_dirs = || -> io::Result<()> {
fs::remove_dir_all(canonical_wc_path.join(".jj"))?;
if args.colocate {
fs::remove_dir_all(canonical_wc_path.join(".git"))?;
}
if !wc_path_existed {
fs::remove_dir(&canonical_wc_path)?;
}
Ok(())
};
if let Err(err) = clean_up_dirs() {
writeln!(
ui.warning_default(),
"Failed to clean up {}: {}",
canonical_wc_path.display(),
err
)
.ok();
}
}
let (mut workspace_command, stats) = clone_result?;
if let Some(default_branch) = &stats.default_branch {
let default_branch_remote_ref = workspace_command
.repo()
.view()
.get_remote_branch(default_branch, remote_name);
if let Some(commit_id) = default_branch_remote_ref.target.as_normal().cloned() {
let mut checkout_tx = workspace_command.start_transaction();
// For convenience, create local branch as Git would do.
checkout_tx
.mut_repo()
.track_remote_branch(default_branch, remote_name);
if let Ok(commit) = checkout_tx.repo().store().get_commit(&commit_id) {
checkout_tx.check_out(&commit)?;
}
checkout_tx.finish(ui, "check out git remote's default branch")?;
}
}
Ok(())
}
fn do_git_clone(
ui: &mut Ui,
command: &CommandHelper,
colocate: bool,
remote_name: &str,
source: &str,
wc_path: &Path,
) -> Result<(WorkspaceCommandHelper, GitFetchStats), CommandError> {
let (workspace, repo) = if colocate {
Workspace::init_colocated_git(command.settings(), wc_path)?
} else {
Workspace::init_internal_git(command.settings(), wc_path)?
};
let git_repo = get_git_repo(repo.store())?;
writeln!(
ui.status(),
r#"Fetching into new repo in "{}""#,
wc_path.display()
)?;
let mut workspace_command = command.for_loaded_repo(ui, workspace, repo)?;
maybe_add_gitignore(&workspace_command)?;
git_repo.remote(remote_name, source).unwrap();
let mut fetch_tx = workspace_command.start_transaction();
let stats = with_remote_git_callbacks(ui, None, |cb| {
git::fetch(
fetch_tx.mut_repo(),
&git_repo,
remote_name,
&[StringPattern::everything()],
cb,
&command.settings().git_settings(),
)
})
.map_err(|err| match err {
GitFetchError::NoSuchRemote(_) => {
panic!("shouldn't happen as we just created the git remote")
}
GitFetchError::GitImportError(err) => CommandError::from(err),
GitFetchError::InternalGitError(err) => map_git_error(err),
GitFetchError::InvalidBranchPattern => {
unreachable!("we didn't provide any globs")
}
})?;
print_git_import_stats(ui, fetch_tx.repo(), &stats.import_stats, true)?;
fetch_tx.finish(ui, "fetch from git remote into empty repo")?;
Ok((workspace_command, stats))
}

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// Copyright 2020-2023 The Jujutsu Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
use jj_lib::git;
use crate::cli_util::CommandHelper;
use crate::command_error::CommandError;
use crate::git_util::print_failed_git_export;
use crate::ui::Ui;
/// Update the underlying Git repo with changes made in the repo
#[derive(clap::Args, Clone, Debug)]
pub struct ExportArgs {}
pub fn cmd_git_export(
ui: &mut Ui,
command: &CommandHelper,
_args: &ExportArgs,
) -> Result<(), CommandError> {
let mut workspace_command = command.workspace_helper(ui)?;
let mut tx = workspace_command.start_transaction();
let failed_branches = git::export_refs(tx.mut_repo())?;
tx.finish(ui, "export git refs")?;
print_failed_git_export(ui, &failed_branches)?;
Ok(())
}

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// Copyright 2020-2023 The Jujutsu Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
use itertools::Itertools;
use jj_lib::git::{self, GitFetchError};
use jj_lib::repo::Repo;
use jj_lib::settings::{ConfigResultExt as _, UserSettings};
use jj_lib::str_util::StringPattern;
use crate::cli_util::CommandHelper;
use crate::command_error::{user_error, user_error_with_hint, CommandError};
use crate::commands::git::{get_single_remote, map_git_error};
use crate::git_util::{get_git_repo, print_git_import_stats, with_remote_git_callbacks};
use crate::ui::Ui;
/// Fetch from a Git remote
///
/// If a working-copy commit gets abandoned, it will be given a new, empty
/// commit. This is true in general; it is not specific to this command.
#[derive(clap::Args, Clone, Debug)]
pub struct FetchArgs {
/// Fetch only some of the branches
///
/// By default, the specified name matches exactly. Use `glob:` prefix to
/// expand `*` as a glob. The other wildcard characters aren't supported.
#[arg(long, short, default_value = "glob:*", value_parser = StringPattern::parse)]
branch: Vec<StringPattern>,
/// The remote to fetch from (only named remotes are supported, can be
/// repeated)
#[arg(long = "remote", value_name = "remote")]
remotes: Vec<String>,
/// Fetch from all remotes
#[arg(long, conflicts_with = "remotes")]
all_remotes: bool,
}
#[tracing::instrument(skip(ui, command))]
pub fn cmd_git_fetch(
ui: &mut Ui,
command: &CommandHelper,
args: &FetchArgs,
) -> Result<(), CommandError> {
let mut workspace_command = command.workspace_helper(ui)?;
let git_repo = get_git_repo(workspace_command.repo().store())?;
let remotes = if args.all_remotes {
get_all_remotes(&git_repo)?
} else if args.remotes.is_empty() {
get_default_fetch_remotes(ui, command.settings(), &git_repo)?
} else {
args.remotes.clone()
};
let mut tx = workspace_command.start_transaction();
for remote in &remotes {
let stats = with_remote_git_callbacks(ui, None, |cb| {
git::fetch(
tx.mut_repo(),
&git_repo,
remote,
&args.branch,
cb,
&command.settings().git_settings(),
)
})
.map_err(|err| match err {
GitFetchError::InvalidBranchPattern => {
if args
.branch
.iter()
.any(|pattern| pattern.as_exact().map_or(false, |s| s.contains('*')))
{
user_error_with_hint(
err,
"Prefix the pattern with `glob:` to expand `*` as a glob",
)
} else {
user_error(err)
}
}
GitFetchError::GitImportError(err) => err.into(),
GitFetchError::InternalGitError(err) => map_git_error(err),
_ => user_error(err),
})?;
print_git_import_stats(ui, tx.repo(), &stats.import_stats, true)?;
}
tx.finish(
ui,
format!("fetch from git remote(s) {}", remotes.iter().join(",")),
)?;
Ok(())
}
const DEFAULT_REMOTE: &str = "origin";
fn get_default_fetch_remotes(
ui: &Ui,
settings: &UserSettings,
git_repo: &git2::Repository,
) -> Result<Vec<String>, CommandError> {
const KEY: &str = "git.fetch";
if let Ok(remotes) = settings.config().get(KEY) {
Ok(remotes)
} else if let Some(remote) = settings.config().get_string(KEY).optional()? {
Ok(vec![remote])
} else if let Some(remote) = get_single_remote(git_repo)? {
// if nothing was explicitly configured, try to guess
if remote != DEFAULT_REMOTE {
writeln!(
ui.hint_default(),
"Fetching from the only existing remote: {remote}"
)?;
}
Ok(vec![remote])
} else {
Ok(vec![DEFAULT_REMOTE.to_owned()])
}
}
fn get_all_remotes(git_repo: &git2::Repository) -> Result<Vec<String>, CommandError> {
let git_remotes = git_repo.remotes()?;
Ok(git_remotes
.iter()
.filter_map(|x| x.map(ToOwned::to_owned))
.collect())
}

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// Copyright 2020-2023 The Jujutsu Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
use jj_lib::git;
use crate::cli_util::CommandHelper;
use crate::command_error::CommandError;
use crate::git_util::print_git_import_stats;
use crate::ui::Ui;
/// Update repo with changes made in the underlying Git repo
///
/// If a working-copy commit gets abandoned, it will be given a new, empty
/// commit. This is true in general; it is not specific to this command.
#[derive(clap::Args, Clone, Debug)]
pub struct ImportArgs {}
pub fn cmd_git_import(
ui: &mut Ui,
command: &CommandHelper,
_args: &ImportArgs,
) -> Result<(), CommandError> {
let mut workspace_command = command.workspace_helper(ui)?;
let mut tx = workspace_command.start_transaction();
// In non-colocated repo, HEAD@git will never be moved internally by jj.
// That's why cmd_git_export() doesn't export the HEAD ref.
git::import_head(tx.mut_repo())?;
let stats = git::import_refs(tx.mut_repo(), &command.settings().git_settings())?;
print_git_import_stats(ui, tx.repo(), &stats, true)?;
tx.finish(ui, "import git refs")?;
Ok(())
}

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// Copyright 2020-2023 The Jujutsu Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
use std::io::Write;
use std::path::{Path, PathBuf};
use std::sync::Arc;
use jj_lib::repo::{ReadonlyRepo, Repo};
use jj_lib::workspace::Workspace;
use jj_lib::{file_util, git};
use crate::cli_util::{print_trackable_remote_branches, start_repo_transaction, CommandHelper};
use crate::command_error::{user_error_with_hint, user_error_with_message, CommandError};
use crate::commands::git::maybe_add_gitignore;
use crate::git_util::{
is_colocated_git_workspace, print_failed_git_export, print_git_import_stats,
};
use crate::ui::Ui;
/// Create a new Git backed repo.
#[derive(clap::Args, Clone, Debug)]
pub struct InitArgs {
/// The destination directory where the `jj` repo will be created.
/// If the directory does not exist, it will be created.
/// If no directory is given, the current directory is used.
///
/// By default the `git` repo is under `$destination/.jj`
#[arg(default_value = ".", value_hint = clap::ValueHint::DirPath)]
destination: String,
/// Specifies that the `jj` repo should also be a valid
/// `git` repo, allowing the use of both `jj` and `git` commands
/// in the same directory.
///
/// This is done by placing the backing git repo into a `.git` directory in
/// the root of the `jj` repo along with the `.jj` directory. If the `.git`
/// directory already exists, all the existing commits will be imported.
///
/// This option is mutually exclusive with `--git-repo`.
#[arg(long, conflicts_with = "git_repo")]
colocate: bool,
/// Specifies a path to an **existing** git repository to be
/// used as the backing git repo for the newly created `jj` repo.
///
/// If the specified `--git-repo` path happens to be the same as
/// the `jj` repo path (both .jj and .git directories are in the
/// same working directory), then both `jj` and `git` commands
/// will work on the same repo. This is called a co-located repo.
///
/// This option is mutually exclusive with `--colocate`.
#[arg(long, conflicts_with = "colocate", value_hint = clap::ValueHint::DirPath)]
git_repo: Option<String>,
}
pub fn cmd_git_init(
ui: &mut Ui,
command: &CommandHelper,
args: &InitArgs,
) -> Result<(), CommandError> {
let cwd = command.cwd();
let wc_path = cwd.join(&args.destination);
let wc_path = file_util::create_or_reuse_dir(&wc_path)
.and_then(|_| wc_path.canonicalize())
.map_err(|e| user_error_with_message("Failed to create workspace", e))?;
do_init(
ui,
command,
&wc_path,
args.colocate,
args.git_repo.as_deref(),
)?;
let relative_wc_path = file_util::relative_path(cwd, &wc_path);
writeln!(
ui.status(),
r#"Initialized repo in "{}""#,
relative_wc_path.display()
)?;
Ok(())
}
pub fn do_init(
ui: &mut Ui,
command: &CommandHelper,
workspace_root: &Path,
colocate: bool,
git_repo: Option<&str>,
) -> Result<(), CommandError> {
#[derive(Clone, Debug)]
enum GitInitMode {
Colocate,
External(PathBuf),
Internal,
}
let colocated_git_repo_path = workspace_root.join(".git");
let init_mode = if colocate {
if colocated_git_repo_path.exists() {
GitInitMode::External(colocated_git_repo_path)
} else {
GitInitMode::Colocate
}
} else if let Some(path_str) = git_repo {
let mut git_repo_path = command.cwd().join(path_str);
if !git_repo_path.ends_with(".git") {
git_repo_path.push(".git");
// Undo if .git doesn't exist - likely a bare repo.
if !git_repo_path.exists() {
git_repo_path.pop();
}
}
GitInitMode::External(git_repo_path)
} else {
if colocated_git_repo_path.exists() {
return Err(user_error_with_hint(
"Did not create a jj repo because there is an existing Git repo in this directory.",
"To create a repo backed by the existing Git repo, run `jj git init --colocate` \
instead.",
));
}
GitInitMode::Internal
};
match &init_mode {
GitInitMode::Colocate => {
let (workspace, repo) =
Workspace::init_colocated_git(command.settings(), workspace_root)?;
let workspace_command = command.for_loaded_repo(ui, workspace, repo)?;
maybe_add_gitignore(&workspace_command)?;
}
GitInitMode::External(git_repo_path) => {
let (workspace, repo) =
Workspace::init_external_git(command.settings(), workspace_root, git_repo_path)?;
// Import refs first so all the reachable commits are indexed in
// chronological order.
let colocated = is_colocated_git_workspace(&workspace, &repo);
let repo = init_git_refs(ui, command, repo, colocated)?;
let mut workspace_command = command.for_loaded_repo(ui, workspace, repo)?;
maybe_add_gitignore(&workspace_command)?;
workspace_command.maybe_snapshot(ui)?;
if !workspace_command.working_copy_shared_with_git() {
let mut tx = workspace_command.start_transaction();
jj_lib::git::import_head(tx.mut_repo())?;
if let Some(git_head_id) = tx.mut_repo().view().git_head().as_normal().cloned() {
let git_head_commit = tx.mut_repo().store().get_commit(&git_head_id)?;
tx.check_out(&git_head_commit)?;
}
if tx.mut_repo().has_changes() {
tx.finish(ui, "import git head")?;
}
}
print_trackable_remote_branches(ui, workspace_command.repo().view())?;
}
GitInitMode::Internal => {
Workspace::init_internal_git(command.settings(), workspace_root)?;
}
}
Ok(())
}
/// Imports branches and tags from the underlying Git repo, exports changes if
/// the repo is colocated.
///
/// This is similar to `WorkspaceCommandHelper::import_git_refs()`, but never
/// moves the Git HEAD to the working copy parent.
fn init_git_refs(
ui: &mut Ui,
command: &CommandHelper,
repo: Arc<ReadonlyRepo>,
colocated: bool,
) -> Result<Arc<ReadonlyRepo>, CommandError> {
let mut tx = start_repo_transaction(&repo, command.settings(), command.string_args());
// There should be no old refs to abandon, but enforce it.
let mut git_settings = command.settings().git_settings();
git_settings.abandon_unreachable_commits = false;
let stats = git::import_some_refs(
tx.mut_repo(),
&git_settings,
// Initial import shouldn't fail because of reserved remote name.
|ref_name| !git::is_reserved_git_remote_ref(ref_name),
)?;
if !tx.mut_repo().has_changes() {
return Ok(repo);
}
print_git_import_stats(ui, tx.repo(), &stats, false)?;
if colocated {
// If git.auto-local-branch = true, local branches could be created for
// the imported remote branches.
let failed_branches = git::export_refs(tx.mut_repo())?;
print_failed_git_export(ui, &failed_branches)?;
}
let repo = tx.commit("import git refs");
writeln!(
ui.status(),
"Done importing changes from the underlying Git repo."
)?;
Ok(repo)
}

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// Copyright 2020-2023 The Jujutsu Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
pub mod clone;
pub mod export;
pub mod fetch;
pub mod import;
pub mod init;
pub mod push;
pub mod remote;
pub mod submodule;
use clap::Subcommand;
use self::clone::{cmd_git_clone, CloneArgs};
use self::export::{cmd_git_export, ExportArgs};
use self::fetch::{cmd_git_fetch, FetchArgs};
use self::import::{cmd_git_import, ImportArgs};
use self::init::{cmd_git_init, InitArgs};
use self::push::{cmd_git_push, PushArgs};
use self::remote::{cmd_git_remote, RemoteCommand};
use self::submodule::{cmd_git_submodule, SubmoduleCommand};
use crate::cli_util::{CommandHelper, WorkspaceCommandHelper};
use crate::command_error::{
user_error, user_error_with_hint, user_error_with_message, CommandError,
};
use crate::ui::Ui;
/// Commands for working with Git remotes and the underlying Git repo
///
/// For a comparison with Git, including a table of commands, see
/// https://github.com/martinvonz/jj/blob/main/docs/git-comparison.md.
#[derive(Subcommand, Clone, Debug)]
pub enum GitCommand {
#[command(subcommand)]
Remote(RemoteCommand),
Init(InitArgs),
Fetch(FetchArgs),
Clone(CloneArgs),
Push(PushArgs),
Import(ImportArgs),
Export(ExportArgs),
#[command(subcommand, hide = true)]
Submodule(SubmoduleCommand),
}
fn map_git_error(err: git2::Error) -> CommandError {
if err.class() == git2::ErrorClass::Ssh {
let hint =
if err.code() == git2::ErrorCode::Certificate && std::env::var_os("HOME").is_none() {
"The HOME environment variable is not set, and might be required for Git to \
successfully load certificates. Try setting it to the path of a directory that \
contains a `.ssh` directory."
} else {
"Jujutsu uses libssh2, which doesn't respect ~/.ssh/config. Does `ssh -F \
/dev/null` to the host work?"
};
user_error_with_hint(err, hint)
} else {
user_error(err.to_string())
}
}
pub fn maybe_add_gitignore(workspace_command: &WorkspaceCommandHelper) -> Result<(), CommandError> {
if workspace_command.working_copy_shared_with_git() {
std::fs::write(
workspace_command
.workspace_root()
.join(".jj")
.join(".gitignore"),
"/*\n",
)
.map_err(|e| user_error_with_message("Failed to write .jj/.gitignore file", e))
} else {
Ok(())
}
}
fn get_single_remote(git_repo: &git2::Repository) -> Result<Option<String>, CommandError> {
let git_remotes = git_repo.remotes()?;
Ok(match git_remotes.len() {
1 => git_remotes.get(0).map(ToOwned::to_owned),
_ => None,
})
}
pub fn cmd_git(
ui: &mut Ui,
command: &CommandHelper,
subcommand: &GitCommand,
) -> Result<(), CommandError> {
match subcommand {
GitCommand::Init(args) => cmd_git_init(ui, command, args),
GitCommand::Fetch(args) => cmd_git_fetch(ui, command, args),
GitCommand::Clone(args) => cmd_git_clone(ui, command, args),
GitCommand::Remote(args) => cmd_git_remote(ui, command, args),
GitCommand::Push(args) => cmd_git_push(ui, command, args),
GitCommand::Import(args) => cmd_git_import(ui, command, args),
GitCommand::Export(args) => cmd_git_export(ui, command, args),
GitCommand::Submodule(args) => cmd_git_submodule(ui, command, args),
}
}

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// Copyright 2020-2023 The Jujutsu Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
use std::collections::{HashMap, HashSet};
use std::io::Write;
use std::{fmt, io};
use clap::ArgGroup;
use itertools::Itertools;
use jj_lib::git::{self, GitBranchPushTargets, GitPushError};
use jj_lib::object_id::ObjectId;
use jj_lib::op_store::RefTarget;
use jj_lib::refs::{
classify_branch_push_action, BranchPushAction, BranchPushUpdate, LocalAndRemoteRef,
};
use jj_lib::repo::Repo;
use jj_lib::revset::{self, RevsetExpression, RevsetIteratorExt as _};
use jj_lib::settings::{ConfigResultExt as _, UserSettings};
use jj_lib::str_util::StringPattern;
use jj_lib::view::View;
use crate::cli_util::{
short_change_hash, short_commit_hash, CommandHelper, RevisionArg, WorkspaceCommandHelper,
WorkspaceCommandTransaction,
};
use crate::command_error::{user_error, user_error_with_hint, CommandError};
use crate::commands::git::{get_single_remote, map_git_error};
use crate::git_util::{get_git_repo, with_remote_git_callbacks, GitSidebandProgressMessageWriter};
use crate::ui::Ui;
/// Push to a Git remote
///
/// By default, pushes any branches pointing to
/// `remote_branches(remote=<remote>)..@`. Use `--branch` to push specific
/// branches. Use `--all` to push all branches. Use `--change` to generate
/// branch names based on the change IDs of specific commits.
///
/// Before the command actually moves, creates, or deletes a remote branch, it
/// makes several [safety checks]. If there is a problem, you may need to run
/// `jj git fetch --remote <remote name>` and/or resolve some [branch
/// conflicts].
///
/// [safety checks]:
/// https://martinvonz.github.io/jj/latest/branches/#pushing-branches-safety-checks
///
/// [branch conflicts]:
/// https://martinvonz.github.io/jj/latest/branches/#conflicts
#[derive(clap::Args, Clone, Debug)]
#[command(group(ArgGroup::new("specific").args(&["branch", "change", "revisions"]).multiple(true)))]
#[command(group(ArgGroup::new("what").args(&["all", "deleted", "tracked"]).conflicts_with("specific")))]
pub struct PushArgs {
/// The remote to push to (only named remotes are supported)
#[arg(long)]
remote: Option<String>,
/// Push only this branch, or branches matching a pattern (can be repeated)
///
/// By default, the specified name matches exactly. Use `glob:` prefix to
/// select branches by wildcard pattern. For details, see
/// https://martinvonz.github.io/jj/latest/revsets#string-patterns.
#[arg(long, short, value_parser = StringPattern::parse)]
branch: Vec<StringPattern>,
/// Push all branches (including deleted branches)
#[arg(long)]
all: bool,
/// Push all tracked branches (including deleted branches)
///
/// This usually means that the branch was already pushed to or fetched from
/// the relevant remote. For details, see
/// https://martinvonz.github.io/jj/latest/branches#remotes-and-tracked-branches
#[arg(long)]
tracked: bool,
/// Push all deleted branches
///
/// Only tracked branches can be successfully deleted on the remote. A
/// warning will be printed if any untracked branches on the remote
/// correspond to missing local branches.
#[arg(long)]
deleted: bool,
/// Allow pushing commits with empty descriptions
#[arg(long)]
allow_empty_description: bool,
/// Push branches pointing to these commits (can be repeated)
#[arg(long, short)]
revisions: Vec<RevisionArg>,
/// Push this commit by creating a branch based on its change ID (can be
/// repeated)
#[arg(long, short)]
change: Vec<RevisionArg>,
/// Only display what will change on the remote
#[arg(long)]
dry_run: bool,
}
fn make_branch_term(branch_names: &[impl fmt::Display]) -> String {
match branch_names {
[branch_name] => format!("branch {}", branch_name),
branch_names => format!("branches {}", branch_names.iter().join(", ")),
}
}
const DEFAULT_REMOTE: &str = "origin";
#[derive(Clone, Copy, Debug, Eq, PartialEq)]
enum BranchMoveDirection {
Forward,
Backward,
Sideways,
}
pub fn cmd_git_push(
ui: &mut Ui,
command: &CommandHelper,
args: &PushArgs,
) -> Result<(), CommandError> {
let mut workspace_command = command.workspace_helper(ui)?;
let git_repo = get_git_repo(workspace_command.repo().store())?;
let remote = if let Some(name) = &args.remote {
name.clone()
} else {
get_default_push_remote(ui, command.settings(), &git_repo)?
};
let repo = workspace_command.repo().clone();
let mut tx = workspace_command.start_transaction();
let tx_description;
let mut branch_updates = vec![];
if args.all {
for (branch_name, targets) in repo.view().local_remote_branches(&remote) {
match classify_branch_update(branch_name, &remote, targets) {
Ok(Some(update)) => branch_updates.push((branch_name.to_owned(), update)),
Ok(None) => {}
Err(reason) => reason.print(ui)?,
}
}
tx_description = format!("push all branches to git remote {remote}");
} else if args.tracked {
for (branch_name, targets) in repo.view().local_remote_branches(&remote) {
if !targets.remote_ref.is_tracking() {
continue;
}
match classify_branch_update(branch_name, &remote, targets) {
Ok(Some(update)) => branch_updates.push((branch_name.to_owned(), update)),
Ok(None) => {}
Err(reason) => reason.print(ui)?,
}
}
tx_description = format!("push all tracked branches to git remote {remote}");
} else if args.deleted {
for (branch_name, targets) in repo.view().local_remote_branches(&remote) {
if targets.local_target.is_present() {
continue;
}
match classify_branch_update(branch_name, &remote, targets) {
Ok(Some(update)) => branch_updates.push((branch_name.to_owned(), update)),
Ok(None) => {}
Err(reason) => reason.print(ui)?,
}
}
tx_description = format!("push all deleted branches to git remote {remote}");
} else {
let mut seen_branches: HashSet<&str> = HashSet::new();
// Process --change branches first because matching branches can be moved.
let change_branch_names = update_change_branches(
ui,
&mut tx,
&args.change,
&command.settings().push_branch_prefix(),
)?;
let change_branches = change_branch_names.iter().map(|branch_name| {
let targets = LocalAndRemoteRef {
local_target: tx.repo().view().get_local_branch(branch_name),
remote_ref: tx.repo().view().get_remote_branch(branch_name, &remote),
};
(branch_name.as_ref(), targets)
});
let branches_by_name = find_branches_to_push(repo.view(), &args.branch, &remote)?;
for (branch_name, targets) in change_branches.chain(branches_by_name.iter().copied()) {
if !seen_branches.insert(branch_name) {
continue;
}
match classify_branch_update(branch_name, &remote, targets) {
Ok(Some(update)) => branch_updates.push((branch_name.to_owned(), update)),
Ok(None) => writeln!(
ui.status(),
"Branch {branch_name}@{remote} already matches {branch_name}",
)?,
Err(reason) => return Err(reason.into()),
}
}
let use_default_revset =
args.branch.is_empty() && args.change.is_empty() && args.revisions.is_empty();
let branches_targeted = find_branches_targeted_by_revisions(
ui,
tx.base_workspace_helper(),
&remote,
&args.revisions,
use_default_revset,
)?;
for &(branch_name, targets) in &branches_targeted {
if !seen_branches.insert(branch_name) {
continue;
}
match classify_branch_update(branch_name, &remote, targets) {
Ok(Some(update)) => branch_updates.push((branch_name.to_owned(), update)),
Ok(None) => {}
Err(reason) => reason.print(ui)?,
}
}
tx_description = format!(
"push {} to git remote {}",
make_branch_term(
&branch_updates
.iter()
.map(|(branch, _)| branch.as_str())
.collect_vec()
),
&remote
);
}
if branch_updates.is_empty() {
writeln!(ui.status(), "Nothing changed.")?;
return Ok(());
}
let mut branch_push_direction = HashMap::new();
for (branch_name, update) in &branch_updates {
let BranchPushUpdate {
old_target: Some(old_target),
new_target: Some(new_target),
} = update
else {
continue;
};
assert_ne!(old_target, new_target);
branch_push_direction.insert(
branch_name.to_string(),
if repo.index().is_ancestor(old_target, new_target) {
BranchMoveDirection::Forward
} else if repo.index().is_ancestor(new_target, old_target) {
BranchMoveDirection::Backward
} else {
BranchMoveDirection::Sideways
},
);
}
// Check if there are conflicts in any commits we're about to push that haven't
// already been pushed.
let new_heads = branch_updates
.iter()
.filter_map(|(_, update)| update.new_target.clone())
.collect_vec();
let mut old_heads = repo
.view()
.remote_branches(&remote)
.flat_map(|(_, old_head)| old_head.target.added_ids())
.cloned()
.collect_vec();
if old_heads.is_empty() {
old_heads.push(repo.store().root_commit_id().clone());
}
for commit in revset::walk_revs(repo.as_ref(), &new_heads, &old_heads)?
.iter()
.commits(repo.store())
{
let commit = commit?;
let mut reasons = vec![];
if commit.description().is_empty() && !args.allow_empty_description {
reasons.push("it has no description");
}
if commit.author().name.is_empty()
|| commit.author().name == UserSettings::USER_NAME_PLACEHOLDER
|| commit.author().email.is_empty()
|| commit.author().email == UserSettings::USER_EMAIL_PLACEHOLDER
|| commit.committer().name.is_empty()
|| commit.committer().name == UserSettings::USER_NAME_PLACEHOLDER
|| commit.committer().email.is_empty()
|| commit.committer().email == UserSettings::USER_EMAIL_PLACEHOLDER
{
reasons.push("it has no author and/or committer set");
}
if commit.has_conflict()? {
reasons.push("it has conflicts");
}
if !reasons.is_empty() {
return Err(user_error(format!(
"Won't push commit {} since {}",
short_commit_hash(commit.id()),
reasons.join(" and ")
)));
}
}
writeln!(ui.status(), "Branch changes to push to {}:", &remote)?;
for (branch_name, update) in &branch_updates {
match (&update.old_target, &update.new_target) {
(Some(old_target), Some(new_target)) => {
let old = short_commit_hash(old_target);
let new = short_commit_hash(new_target);
// TODO(ilyagr): Add color. Once there is color, "Move branch ... sideways" may
// read more naturally than "Move sideways branch ...". Without color, it's hard
// to see at a glance if one branch among many was moved sideways (say).
// TODO: People on Discord suggest "Move branch ... forward by n commits",
// possibly "Move branch ... sideways (X forward, Y back)".
let msg = match branch_push_direction.get(branch_name).unwrap() {
BranchMoveDirection::Forward => {
format!("Move forward branch {branch_name} from {old} to {new}")
}
BranchMoveDirection::Backward => {
format!("Move backward branch {branch_name} from {old} to {new}")
}
BranchMoveDirection::Sideways => {
format!("Move sideways branch {branch_name} from {old} to {new}")
}
};
writeln!(ui.status(), " {msg}")?;
}
(Some(old_target), None) => {
writeln!(
ui.status(),
" Delete branch {branch_name} from {}",
short_commit_hash(old_target)
)?;
}
(None, Some(new_target)) => {
writeln!(
ui.status(),
" Add branch {branch_name} to {}",
short_commit_hash(new_target)
)?;
}
(None, None) => {
panic!("Not pushing any change to branch {branch_name}");
}
}
}
if args.dry_run {
writeln!(ui.status(), "Dry-run requested, not pushing.")?;
return Ok(());
}
let targets = GitBranchPushTargets { branch_updates };
let mut writer = GitSidebandProgressMessageWriter::new(ui);
let mut sideband_progress_callback = |progress_message: &[u8]| {
_ = writer.write(ui, progress_message);
};
with_remote_git_callbacks(ui, Some(&mut sideband_progress_callback), |cb| {
git::push_branches(tx.mut_repo(), &git_repo, &remote, &targets, cb)
})
.map_err(|err| match err {
GitPushError::InternalGitError(err) => map_git_error(err),
GitPushError::RefInUnexpectedLocation(refs) => user_error_with_hint(
format!(
"Refusing to push a branch that unexpectedly moved on the remote. Affected refs: \
{}",
refs.join(", ")
),
"Try fetching from the remote, then make the branch point to where you want it to be, \
and push again.",
),
_ => user_error(err),
})?;
writer.flush(ui)?;
tx.finish(ui, tx_description)?;
Ok(())
}
fn get_default_push_remote(
ui: &Ui,
settings: &UserSettings,
git_repo: &git2::Repository,
) -> Result<String, CommandError> {
if let Some(remote) = settings.config().get_string("git.push").optional()? {
Ok(remote)
} else if let Some(remote) = get_single_remote(git_repo)? {
// similar to get_default_fetch_remotes
if remote != DEFAULT_REMOTE {
writeln!(
ui.hint_default(),
"Pushing to the only existing remote: {remote}"
)?;
}
Ok(remote)
} else {
Ok(DEFAULT_REMOTE.to_owned())
}
}
#[derive(Clone, Debug)]
struct RejectedBranchUpdateReason {
message: String,
hint: Option<String>,
}
impl RejectedBranchUpdateReason {
fn print(&self, ui: &Ui) -> io::Result<()> {
writeln!(ui.warning_default(), "{}", self.message)?;
if let Some(hint) = &self.hint {
writeln!(ui.hint_default(), "{hint}")?;
}
Ok(())
}
}
impl From<RejectedBranchUpdateReason> for CommandError {
fn from(reason: RejectedBranchUpdateReason) -> Self {
let RejectedBranchUpdateReason { message, hint } = reason;
let mut cmd_err = user_error(message);
cmd_err.extend_hints(hint);
cmd_err
}
}
fn classify_branch_update(
branch_name: &str,
remote_name: &str,
targets: LocalAndRemoteRef,
) -> Result<Option<BranchPushUpdate>, RejectedBranchUpdateReason> {
let push_action = classify_branch_push_action(targets);
match push_action {
BranchPushAction::AlreadyMatches => Ok(None),
BranchPushAction::LocalConflicted => Err(RejectedBranchUpdateReason {
message: format!("Branch {branch_name} is conflicted"),
hint: Some(
"Run `jj branch list` to inspect, and use `jj branch set` to fix it up.".to_owned(),
),
}),
BranchPushAction::RemoteConflicted => Err(RejectedBranchUpdateReason {
message: format!("Branch {branch_name}@{remote_name} is conflicted"),
hint: Some("Run `jj git fetch` to update the conflicted remote branch.".to_owned()),
}),
BranchPushAction::RemoteUntracked => Err(RejectedBranchUpdateReason {
message: format!("Non-tracking remote branch {branch_name}@{remote_name} exists"),
hint: Some(format!(
"Run `jj branch track {branch_name}@{remote_name}` to import the remote branch."
)),
}),
BranchPushAction::Update(update) => Ok(Some(update)),
}
}
/// Creates or moves branches based on the change IDs.
fn update_change_branches(
ui: &Ui,
tx: &mut WorkspaceCommandTransaction,
changes: &[RevisionArg],
branch_prefix: &str,
) -> Result<Vec<String>, CommandError> {
let mut branch_names = Vec::new();
for change_arg in changes {
let workspace_command = tx.base_workspace_helper();
let commit = workspace_command.resolve_single_rev(change_arg)?;
let mut branch_name = format!("{branch_prefix}{}", commit.change_id().hex());
let view = tx.base_repo().view();
if view.get_local_branch(&branch_name).is_absent() {
// A local branch with the full change ID doesn't exist already, so use the
// short ID if it's not ambiguous (which it shouldn't be most of the time).
let short_change_id = short_change_hash(commit.change_id());
if workspace_command
.resolve_single_rev(&RevisionArg::from(short_change_id.clone()))
.is_ok()
{
// Short change ID is not ambiguous, so update the branch name to use it.
branch_name = format!("{branch_prefix}{short_change_id}");
};
}
if view.get_local_branch(&branch_name).is_absent() {
writeln!(
ui.status(),
"Creating branch {branch_name} for revision {change_arg}",
)?;
}
tx.mut_repo()
.set_local_branch_target(&branch_name, RefTarget::normal(commit.id().clone()));
branch_names.push(branch_name);
}
Ok(branch_names)
}
fn find_branches_to_push<'a>(
view: &'a View,
branch_patterns: &[StringPattern],
remote_name: &str,
) -> Result<Vec<(&'a str, LocalAndRemoteRef<'a>)>, CommandError> {
let mut matching_branches = vec![];
let mut unmatched_patterns = vec![];
for pattern in branch_patterns {
let mut matches = view
.local_remote_branches_matching(pattern, remote_name)
.filter(|(_, targets)| {
// If the remote exists but is not tracking, the absent local shouldn't
// be considered a deleted branch.
targets.local_target.is_present() || targets.remote_ref.is_tracking()
})
.peekable();
if matches.peek().is_none() {
unmatched_patterns.push(pattern);
}
matching_branches.extend(matches);
}
match &unmatched_patterns[..] {
[] => Ok(matching_branches),
[pattern] if pattern.is_exact() => Err(user_error(format!("No such branch: {pattern}"))),
patterns => Err(user_error(format!(
"No matching branches for patterns: {}",
patterns.iter().join(", ")
))),
}
}
fn find_branches_targeted_by_revisions<'a>(
ui: &Ui,
workspace_command: &'a WorkspaceCommandHelper,
remote_name: &str,
revisions: &[RevisionArg],
use_default_revset: bool,
) -> Result<Vec<(&'a str, LocalAndRemoteRef<'a>)>, CommandError> {
let mut revision_commit_ids = HashSet::new();
if use_default_revset {
let Some(wc_commit_id) = workspace_command.get_wc_commit_id().cloned() else {
return Err(user_error("Nothing checked out in this workspace"));
};
let current_branches_expression = RevsetExpression::remote_branches(
StringPattern::everything(),
StringPattern::Exact(remote_name.to_owned()),
)
.range(&RevsetExpression::commit(wc_commit_id))
.intersection(&RevsetExpression::branches(StringPattern::everything()));
let current_branches_revset =
current_branches_expression.evaluate_programmatic(workspace_command.repo().as_ref())?;
revision_commit_ids.extend(current_branches_revset.iter());
if revision_commit_ids.is_empty() {
writeln!(
ui.warning_default(),
"No branches found in the default push revset: \
remote_branches(remote={remote_name})..@"
)?;
}
}
for rev_arg in revisions {
let mut expression = workspace_command.parse_revset(rev_arg)?;
expression.intersect_with(&RevsetExpression::branches(StringPattern::everything()));
let mut commit_ids = expression.evaluate_to_commit_ids()?.peekable();
if commit_ids.peek().is_none() {
writeln!(
ui.warning_default(),
"No branches point to the specified revisions: {rev_arg}"
)?;
}
revision_commit_ids.extend(commit_ids);
}
let branches_targeted = workspace_command
.repo()
.view()
.local_remote_branches(remote_name)
.filter(|(_, targets)| {
let mut local_ids = targets.local_target.added_ids();
local_ids.any(|id| revision_commit_ids.contains(id))
})
.collect_vec();
Ok(branches_targeted)
}

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// Copyright 2020-2023 The Jujutsu Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
use jj_lib::git;
use jj_lib::repo::Repo;
use crate::cli_util::CommandHelper;
use crate::command_error::CommandError;
use crate::git_util::get_git_repo;
use crate::ui::Ui;
/// Add a Git remote
#[derive(clap::Args, Clone, Debug)]
pub struct AddArgs {
/// The remote's name
remote: String,
/// The remote's URL
url: String,
}
pub fn cmd_remote_add(
ui: &mut Ui,
command: &CommandHelper,
args: &AddArgs,
) -> Result<(), CommandError> {
let workspace_command = command.workspace_helper(ui)?;
let repo = workspace_command.repo();
let git_repo = get_git_repo(repo.store())?;
git::add_remote(&git_repo, &args.remote, &args.url)?;
Ok(())
}

46
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// Copyright 2020-2023 The Jujutsu Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
use std::io::Write;
use jj_lib::repo::Repo;
use crate::cli_util::CommandHelper;
use crate::command_error::CommandError;
use crate::git_util::get_git_repo;
use crate::ui::Ui;
/// List Git remotes
#[derive(clap::Args, Clone, Debug)]
pub struct ListArgs {}
pub fn cmd_remote_list(
ui: &mut Ui,
command: &CommandHelper,
_args: &ListArgs,
) -> Result<(), CommandError> {
let workspace_command = command.workspace_helper(ui)?;
let repo = workspace_command.repo();
let git_repo = get_git_repo(repo.store())?;
for remote_name in git_repo.remotes()?.iter().flatten() {
let remote = git_repo.find_remote(remote_name)?;
writeln!(
ui.stdout(),
"{} {}",
remote_name,
remote.url().unwrap_or("<no URL>")
)?;
}
Ok(())
}

52
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// Copyright 2020-2023 The Jujutsu Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
pub mod add;
pub mod list;
pub mod remove;
pub mod rename;
use clap::Subcommand;
use self::add::{cmd_remote_add, AddArgs};
use self::list::{cmd_remote_list, ListArgs};
use self::remove::{cmd_remote_remove, RemoveArgs};
use self::rename::{cmd_remote_rename, RenameArgs};
use crate::cli_util::CommandHelper;
use crate::command_error::CommandError;
use crate::ui::Ui;
/// Manage Git remotes
///
/// The Git repo will be a bare git repo stored inside the `.jj/` directory.
#[derive(Subcommand, Clone, Debug)]
pub enum RemoteCommand {
Add(AddArgs),
Remove(RemoveArgs),
Rename(RenameArgs),
List(ListArgs),
}
pub fn cmd_git_remote(
ui: &mut Ui,
command: &CommandHelper,
subcommand: &RemoteCommand,
) -> Result<(), CommandError> {
match subcommand {
RemoteCommand::Add(args) => cmd_remote_add(ui, command, args),
RemoteCommand::Remove(args) => cmd_remote_remove(ui, command, args),
RemoteCommand::Rename(args) => cmd_remote_rename(ui, command, args),
RemoteCommand::List(args) => cmd_remote_list(ui, command, args),
}
}

45
cli/src/commands/git/remote/remove.rs Normal file
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@ -0,0 +1,45 @@
// Copyright 2020-2023 The Jujutsu Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
use jj_lib::git;
use jj_lib::repo::Repo;
use crate::cli_util::CommandHelper;
use crate::command_error::CommandError;
use crate::git_util::get_git_repo;
use crate::ui::Ui;
/// Remove a Git remote and forget its branches
#[derive(clap::Args, Clone, Debug)]
pub struct RemoveArgs {
/// The remote's name
remote: String,
}
pub fn cmd_remote_remove(
ui: &mut Ui,
command: &CommandHelper,
args: &RemoveArgs,
) -> Result<(), CommandError> {
let mut workspace_command = command.workspace_helper(ui)?;
let repo = workspace_command.repo();
let git_repo = get_git_repo(repo.store())?;
let mut tx = workspace_command.start_transaction();
git::remove_remote(tx.mut_repo(), &git_repo, &args.remote)?;
if tx.mut_repo().has_changes() {
tx.finish(ui, format!("remove git remote {}", &args.remote))
} else {
Ok(()) // Do not print "Nothing changed."
}
}

50
cli/src/commands/git/remote/rename.rs Normal file
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@ -0,0 +1,50 @@
// Copyright 2020-2023 The Jujutsu Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
use jj_lib::git;
use jj_lib::repo::Repo;
use crate::cli_util::CommandHelper;
use crate::command_error::CommandError;
use crate::git_util::get_git_repo;
use crate::ui::Ui;
/// Rename a Git remote
#[derive(clap::Args, Clone, Debug)]
pub struct RenameArgs {
/// The name of an existing remote
old: String,
/// The desired name for `old`
new: String,
}
pub fn cmd_remote_rename(
ui: &mut Ui,
command: &CommandHelper,
args: &RenameArgs,
) -> Result<(), CommandError> {
let mut workspace_command = command.workspace_helper(ui)?;
let repo = workspace_command.repo();
let git_repo = get_git_repo(repo.store())?;
let mut tx = workspace_command.start_transaction();
git::rename_remote(tx.mut_repo(), &git_repo, &args.old, &args.new)?;
if tx.mut_repo().has_changes() {
tx.finish(
ui,
format!("rename git remote {} to {}", &args.old, &args.new),
)
} else {
Ok(()) // Do not print "Nothing changed."
}
}

89
cli/src/commands/git/submodule.rs Normal file
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@ -0,0 +1,89 @@
// Copyright 2020-2023 The Jujutsu Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
use std::io::Write;
use clap::Subcommand;
use jj_lib::backend::TreeValue;
use jj_lib::git::parse_gitmodules;
use jj_lib::repo::Repo;
use jj_lib::repo_path::RepoPath;
use crate::cli_util::{CommandHelper, RevisionArg};
use crate::command_error::{user_error, CommandError};
use crate::ui::Ui;
/// FOR INTERNAL USE ONLY Interact with git submodules
#[derive(Subcommand, Clone, Debug)]
pub enum SubmoduleCommand {
/// Print the relevant contents from .gitmodules. For debugging purposes
/// only.
PrintGitmodules(PrintArgs),
}
pub fn cmd_git_submodule(
ui: &mut Ui,
command: &CommandHelper,
subcommand: &SubmoduleCommand,
) -> Result<(), CommandError> {
match subcommand {
SubmoduleCommand::PrintGitmodules(args) => cmd_submodule_print(ui, command, args),
}
}
// TODO: break everything below into a separate file as soon as there is more
// than one subcommand here.
/// Print debugging info about Git submodules
#[derive(clap::Args, Clone, Debug)]
#[command(hide = true)]
pub struct PrintArgs {
/// Read .gitmodules from the given revision.
#[arg(long, short = 'r', default_value = "@")]
revisions: RevisionArg,
}
fn cmd_submodule_print(
ui: &mut Ui,
command: &CommandHelper,
args: &PrintArgs,
) -> Result<(), CommandError> {
let workspace_command = command.workspace_helper(ui)?;
let repo = workspace_command.repo();
let commit = workspace_command.resolve_single_rev(&args.revisions)?;
let tree = commit.tree()?;
let gitmodules_path = RepoPath::from_internal_string(".gitmodules");
let mut gitmodules_file = match tree.path_value(gitmodules_path)?.into_resolved() {
Ok(None) => {
writeln!(ui.status(), "No submodules!")?;
return Ok(());
}
Ok(Some(TreeValue::File { id, .. })) => repo.store().read_file(gitmodules_path, &id)?,
_ => {
return Err(user_error(".gitmodules is not a file."));
}
};
let submodules = parse_gitmodules(&mut gitmodules_file)?;
for (name, submodule) in submodules {
writeln!(
ui.stdout(),
"name:{}\nurl:{}\npath:{}\n\n",
name,
submodule.url,
submodule.path
)?;
}
Ok(())
}

4
cli/src/commands/init.rs
View file

@ -60,12 +60,12 @@ pub(crate) fn cmd_init(
// a colocated repo.
let colocate = false;
if args.git || args.git_repo.is_some() {
git::git_init(ui, command, &wc_path, colocate, args.git_repo.as_deref())?;
git::init::do_init(ui, command, &wc_path, colocate, args.git_repo.as_deref())?;
writeln!(
ui.warning_default(),
"`--git` and `--git-repo` are deprecated.
Use `jj git init` instead"
)?;
)?
} else {
if !command.settings().allow_native_backend() {
return Err(user_error_with_hint(