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cli: allow pruning more than one revision

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This commit is contained in:
Martin von Zweigbergk 2021-05-28 09:47:37 -07:00
parent bbbdb11289
commit 440a423b54
1 changed files with 39 additions and 10 deletions
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49
src/commands.rs
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@ -249,6 +249,15 @@ impl RepoCommandHelper {
}
}
fn resolve_revset(&mut self, revision_str: &str) -> Result<Vec<Commit>, CommandError> {
let revset_expression = self.parse_revset(revision_str)?;
let revset = revset_expression.evaluate(self.repo.as_repo_ref())?;
Ok(revset
.iter()
.map(|entry| self.repo.store().get_commit(&entry.commit_id()).unwrap())
.collect())
}
fn parse_revset(&mut self, revision_str: &str) -> Result<RevsetExpression, CommandError> {
// If we're looking up the working copy commit ("@"), make sure that it is up to
// date (the lib crate only looks at the checkout in the view).
@ -270,9 +279,16 @@ impl RepoCommandHelper {
fn check_rewriteable(&self, commit: &Commit) -> Result<(), CommandError> {
if commit.id() == self.repo.store().root_commit_id() {
return Err(CommandError::UserError(String::from(
"Cannot rewrite the root commit",
)));
return Err(CommandError::UserError(
"Cannot rewrite the root commit".to_string(),
));
}
Ok(())
}
fn check_non_empty(&self, commits: &[Commit]) -> Result<(), CommandError> {
if commits.is_empty() {
return Err(CommandError::UserError("Empty revision set".to_string()));
}
Ok(())
}
@ -1488,14 +1504,27 @@ fn cmd_prune(
sub_matches: &ArgMatches,
) -> Result<(), CommandError> {
let mut repo_command = command.repo_helper(ui)?;
let predecessor = repo_command.resolve_revision_arg(sub_matches)?;
repo_command.check_rewriteable(&predecessor)?;
let predecessors = repo_command.resolve_revset(sub_matches.value_of("revision").unwrap())?;
repo_command.check_non_empty(&predecessors)?;
for predecessor in &predecessors {
repo_command.check_rewriteable(&predecessor)?;
}
let repo = repo_command.repo();
let mut tx =
repo_command.start_transaction(&format!("prune commit {}", predecessor.id().hex()));
CommitBuilder::for_rewrite_from(ui.settings(), repo.store(), &predecessor)
.set_pruned(true)
.write_to_repo(tx.mut_repo());
let transaction_description = if predecessors.len() == 1 {
format!("prune commit {}", predecessors[0].id().hex())
} else {
format!(
"prune commit {} and {} more",
predecessors[0].id().hex(),
predecessors.len() - 1
)
};
let mut tx = repo_command.start_transaction(&transaction_description);
for predecessor in predecessors {
CommitBuilder::for_rewrite_from(ui.settings(), repo.store(), &predecessor)
.set_pruned(true)
.write_to_repo(tx.mut_repo());
}
repo_command.finish_transaction(ui, tx)?;
Ok(())
}