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https://github.com/martinvonz/jj.git
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merge_tools: extract external merge tool functions
This commit is contained in:
Waleed Khan
parent
4bb40bbf10
commit
b837e88757
1 changed files with 244 additions and 184 deletions
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@ -21,7 +21,7 @@ use std::sync::Arc;
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use config::ConfigError;
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use itertools::Itertools;
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use jj_lib::backend::{TreeId, TreeValue};
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use jj_lib::backend::{FileId, TreeId, TreeValue};
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use jj_lib::conflicts;
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use jj_lib::conflicts::{extract_as_single_hunk, materialize_merge_result};
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use jj_lib::gitignore::GitIgnoreFile;
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@ -261,6 +261,22 @@ pub fn run_mergetool(
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let content = extract_as_single_hunk(&file_merge, tree.store(), repo_path);
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let editor = get_merge_tool_from_settings(ui, settings)?;
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match editor {
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MergeTool::Internal => unimplemented!("run_mergetool with internal mergetool"),
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MergeTool::External(editor) => {
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run_mergetool_external(&editor, file_merge, content, repo_path, conflict, tree)
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}
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}
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}
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fn run_mergetool_external(
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editor: &ExternalMergeTool,
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file_merge: Merge<Option<FileId>>,
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content: jj_lib::merge::Merge<jj_lib::files::ContentHunk>,
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repo_path: &RepoPath,
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conflict: jj_lib::merge::Merge<Option<TreeValue>>,
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tree: &Tree,
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) -> Result<TreeId, ConflictResolveError> {
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let initial_output_content: Vec<u8> = if editor.merge_tool_edits_conflict_markers {
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let mut materialized_conflict = vec![];
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materialize_merge_result(&content, &mut materialized_conflict)
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@ -381,6 +397,29 @@ pub fn edit_diff(
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instructions: &str,
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base_ignores: Arc<GitIgnoreFile>,
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settings: &UserSettings,
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) -> Result<TreeId, DiffEditError> {
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// Start a diff editor on the two directories.
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let editor = get_diff_editor_from_settings(ui, settings)?;
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match editor {
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MergeTool::Internal => unimplemented!("run_mergetool with internal mergetool"),
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MergeTool::External(editor) => edit_diff_external(
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editor,
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left_tree,
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right_tree,
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instructions,
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base_ignores,
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settings,
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),
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}
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}
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fn edit_diff_external(
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editor: ExternalMergeTool,
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left_tree: &Tree,
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right_tree: &Tree,
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instructions: &str,
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base_ignores: Arc<GitIgnoreFile>,
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settings: &UserSettings,
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) -> Result<TreeId, DiffEditError> {
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let store = left_tree.store();
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let diff_wc = check_out_trees(store, left_tree, right_tree, &EverythingMatcher)?;
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@ -399,8 +438,6 @@ pub fn edit_diff(
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.map_err(ExternalToolError::SetUpDir)?;
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}
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// Start a diff editor on the two directories.
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let editor = get_diff_editor_from_settings(ui, settings)?;
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let patterns = diff_wc.to_command_variables();
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let mut cmd = Command::new(&editor.program);
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cmd.args(interpolate_variables(&editor.edit_args, &patterns));
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@ -472,6 +509,7 @@ pub fn generate_diff(
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#[derive(Clone, Debug, Eq, PartialEq)]
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pub enum MergeTool {
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Internal,
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External(ExternalMergeTool),
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}
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@ -590,17 +628,17 @@ pub fn get_tool_config_from_args(
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fn get_diff_editor_from_settings(
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ui: &Ui,
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settings: &UserSettings,
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) -> Result<ExternalMergeTool, ExternalToolError> {
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) -> Result<MergeTool, ExternalToolError> {
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let args = editor_args_from_settings(ui, settings, "ui.diff-editor")?;
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let editor = get_tool_config_from_args(settings, &args)?
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.unwrap_or_else(|| ExternalMergeTool::with_edit_args(&args));
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Ok(editor)
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Ok(MergeTool::External(editor))
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}
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fn get_merge_tool_from_settings(
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ui: &Ui,
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settings: &UserSettings,
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) -> Result<ExternalMergeTool, ExternalToolError> {
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) -> Result<MergeTool, ExternalToolError> {
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let args = editor_args_from_settings(ui, settings, "ui.merge-editor")?;
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let editor = get_tool_config_from_args(settings, &args)?
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.unwrap_or_else(|| ExternalMergeTool::with_merge_args(&args));
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@ -609,7 +647,7 @@ fn get_merge_tool_from_settings(
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tool_name: args.to_string(),
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})
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} else {
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Ok(editor)
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Ok(MergeTool::External(editor))
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}
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}
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@ -669,6 +707,7 @@ mod tests {
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// Default
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insta::assert_debug_snapshot!(get("").unwrap(), @r###"
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External(
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ExternalMergeTool {
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program: "meld",
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diff_args: [
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@ -688,11 +727,13 @@ mod tests {
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"--auto-merge",
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],
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merge_tool_edits_conflict_markers: false,
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}
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},
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)
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"###);
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// Just program name, edit_args are filled by default
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insta::assert_debug_snapshot!(get(r#"ui.diff-editor = "my-diff""#).unwrap(), @r###"
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External(
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ExternalMergeTool {
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program: "my-diff",
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diff_args: [
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@ -705,12 +746,14 @@ mod tests {
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],
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merge_args: [],
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merge_tool_edits_conflict_markers: false,
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}
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},
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)
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"###);
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// String args (with interpolation variables)
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insta::assert_debug_snapshot!(
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get(r#"ui.diff-editor = "my-diff -l $left -r $right""#).unwrap(), @r###"
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External(
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ExternalMergeTool {
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program: "my-diff",
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diff_args: [
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@ -725,12 +768,14 @@ mod tests {
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],
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merge_args: [],
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merge_tool_edits_conflict_markers: false,
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}
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},
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)
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"###);
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// List args (with interpolation variables)
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insta::assert_debug_snapshot!(
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get(r#"ui.diff-editor = ["my-diff", "--diff", "$left", "$right"]"#).unwrap(), @r###"
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External(
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ExternalMergeTool {
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program: "my-diff",
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diff_args: [
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@ -744,7 +789,8 @@ mod tests {
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],
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merge_args: [],
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merge_tool_edits_conflict_markers: false,
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}
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},
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)
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"###);
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// Pick from merge-tools
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@ -755,6 +801,7 @@ mod tests {
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edit-args = ["--edit", "args", "$left", "$right"]
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"#,
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).unwrap(), @r###"
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External(
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ExternalMergeTool {
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program: "foo bar",
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diff_args: [
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@ -769,7 +816,8 @@ mod tests {
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],
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merge_args: [],
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merge_tool_edits_conflict_markers: false,
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}
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},
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)
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"###);
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// Pick from merge-tools, but no edit-args specified
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@ -780,6 +828,7 @@ mod tests {
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program = "MyDiff"
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"#,
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).unwrap(), @r###"
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External(
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ExternalMergeTool {
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program: "MyDiff",
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diff_args: [
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@ -792,11 +841,13 @@ mod tests {
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],
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merge_args: [],
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merge_tool_edits_conflict_markers: false,
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}
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},
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)
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"###);
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// List args should never be a merge-tools key, edit_args are filled by default
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insta::assert_debug_snapshot!(get(r#"ui.diff-editor = ["meld"]"#).unwrap(), @r###"
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External(
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ExternalMergeTool {
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program: "meld",
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diff_args: [
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@ -809,7 +860,8 @@ mod tests {
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],
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merge_args: [],
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merge_tool_edits_conflict_markers: false,
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}
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},
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)
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"###);
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// Invalid type
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@ -827,6 +879,7 @@ mod tests {
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// Default
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insta::assert_debug_snapshot!(get("").unwrap(), @r###"
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External(
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ExternalMergeTool {
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program: "meld",
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diff_args: [
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@ -846,7 +899,8 @@ mod tests {
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"--auto-merge",
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],
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merge_tool_edits_conflict_markers: false,
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}
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},
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)
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"###);
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// Just program name
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@ -859,6 +913,7 @@ mod tests {
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// String args
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insta::assert_debug_snapshot!(
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get(r#"ui.merge-editor = "my-merge $left $base $right $output""#).unwrap(), @r###"
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External(
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ExternalMergeTool {
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program: "my-merge",
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diff_args: [
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@ -876,7 +931,8 @@ mod tests {
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"$output",
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],
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merge_tool_edits_conflict_markers: false,
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}
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},
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)
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"###);
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// List args
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@ -884,6 +940,7 @@ mod tests {
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get(
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r#"ui.merge-editor = ["my-merge", "$left", "$base", "$right", "$output"]"#,
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).unwrap(), @r###"
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External(
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ExternalMergeTool {
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program: "my-merge",
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diff_args: [
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@ -901,7 +958,8 @@ mod tests {
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"$output",
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],
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merge_tool_edits_conflict_markers: false,
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}
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},
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)
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"###);
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// Pick from merge-tools
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@ -912,6 +970,7 @@ mod tests {
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merge-args = ["$base", "$left", "$right", "$output"]
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"#,
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).unwrap(), @r###"
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External(
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ExternalMergeTool {
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program: "foo bar",
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diff_args: [
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@ -929,7 +988,8 @@ mod tests {
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"$output",
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],
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merge_tool_edits_conflict_markers: false,
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}
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},
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)
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"###);
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// List args should never be a merge-tools key
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