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merge_tools: extract helper for handling inlined tool configuration

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This commit is contained in:
Yuya Nishihara 2023-08-04 07:25:22 +09:00
parent e00cb0fe08
commit 962cd25821
1 changed files with 26 additions and 22 deletions
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48
src/merge_tools.rs
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@ -510,25 +510,24 @@ impl MergeTool {
}
pub fn with_edit_args(command_args: &CommandNameAndArgs) -> Self {
let (name, args) = command_args.split_name_and_args();
let mut tool = MergeTool {
program: name.into_owned(),
..Default::default()
};
if !args.is_empty() {
tool.edit_args = args.to_vec();
}
tool
Self::with_args_inner(command_args, |tool| &mut tool.edit_args)
}
pub fn with_merge_args(command_args: &CommandNameAndArgs) -> Self {
Self::with_args_inner(command_args, |tool| &mut tool.merge_args)
}
fn with_args_inner(
command_args: &CommandNameAndArgs,
get_mut_args: impl FnOnce(&mut Self) -> &mut Vec<String>,
) -> Self {
let (name, args) = command_args.split_name_and_args();
let mut tool = MergeTool {
program: name.into_owned(),
..Default::default()
};
if !args.is_empty() {
tool.merge_args = args.to_vec();
*get_mut_args(&mut tool) = args.to_vec();
}
tool
}
@ -557,17 +556,26 @@ pub fn get_tool_config(
}
}
/// Loads merge tool options from `[merge-tools.<name>]` if `args` is of
/// unstructured string type.
fn get_tool_config_from_args(
settings: &UserSettings,
args: &CommandNameAndArgs,
) -> Result<Option<MergeTool>, ConfigError> {
match args {
CommandNameAndArgs::String(name) => get_tool_config(settings, name),
CommandNameAndArgs::Vec(_) | CommandNameAndArgs::Structured { .. } => Ok(None),
}
}
fn get_diff_editor_from_settings(
ui: &Ui,
settings: &UserSettings,
) -> Result<MergeTool, ExternalToolError> {
let args = editor_args_from_settings(ui, settings, "ui.diff-editor")?;
let maybe_editor = match &args {
CommandNameAndArgs::String(name) => get_tool_config(settings, name)?,
CommandNameAndArgs::Vec(_) => None,
CommandNameAndArgs::Structured { .. } => None,
};
Ok(maybe_editor.unwrap_or_else(|| MergeTool::with_edit_args(&args)))
let editor = get_tool_config_from_args(settings, &args)?
.unwrap_or_else(|| MergeTool::with_edit_args(&args));
Ok(editor)
}
fn get_merge_tool_from_settings(
@ -575,12 +583,8 @@ fn get_merge_tool_from_settings(
settings: &UserSettings,
) -> Result<MergeTool, ExternalToolError> {
let args = editor_args_from_settings(ui, settings, "ui.merge-editor")?;
let maybe_editor = match &args {
CommandNameAndArgs::String(name) => get_tool_config(settings, name)?,
CommandNameAndArgs::Vec(_) => None,
CommandNameAndArgs::Structured { .. } => None,
};
let editor = maybe_editor.unwrap_or_else(|| MergeTool::with_merge_args(&args));
let editor = get_tool_config_from_args(settings, &args)?
.unwrap_or_else(|| MergeTool::with_merge_args(&args));
if editor.merge_args.is_empty() {
Err(ExternalToolError::MergeArgsNotConfigured {
tool_name: args.to_string(),