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cli: describe: start transaction and set up rewritten commit early

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This will help consolidate description_template_for_*() functions and port them
to templater. This change also means the committer (and operation start)
timestamp is set earlier. I think that's good.
This commit is contained in:
Yuya Nishihara 2024-07-19 12:47:28 +09:00
parent 69bb57d1d1
commit d637216c16
1 changed files with 23 additions and 18 deletions
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41
cli/src/commands/describe.rs
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@ -12,7 +12,7 @@
// See the License for the specific language governing permissions and
// limitations under the License.
use std::io::{self, Read, Write};
use std::io::{self, Read};
use jj_lib::object_id::ObjectId;
use tracing::instrument;
@ -69,6 +69,16 @@ pub(crate) fn cmd_describe(
let mut workspace_command = command.workspace_helper(ui)?;
let commit = workspace_command.resolve_single_rev(&args.revision)?;
workspace_command.check_rewritable([commit.id()])?;
let mut tx = workspace_command.start_transaction();
let mut commit_builder = tx
.mut_repo()
.rewrite_commit(command.settings(), &commit)
.detach();
if args.reset_author {
commit_builder.set_author(commit_builder.committer().clone());
}
let description = if args.stdin {
let mut buffer = String::new();
io::stdin().read_to_string(&mut buffer)?;
@ -78,24 +88,19 @@ pub(crate) fn cmd_describe(
} else if args.no_edit {
commit.description().to_owned()
} else {
let template =
description_template_for_describe(ui, command.settings(), &workspace_command, &commit)?;
edit_description(workspace_command.repo(), &template, command.settings())?
let template = description_template_for_describe(
ui,
command.settings(),
tx.base_workspace_helper(),
&commit,
)?;
edit_description(tx.base_repo(), &template, command.settings())?
};
if description == *commit.description() && !args.reset_author {
writeln!(ui.status(), "Nothing changed.")?;
} else {
let mut tx = workspace_command.start_transaction();
let mut commit_builder = tx
.mut_repo()
.rewrite_commit(command.settings(), &commit)
.set_description(description);
if args.reset_author {
let new_author = commit_builder.committer().clone();
commit_builder = commit_builder.set_author(new_author);
}
commit_builder.write()?;
tx.finish(ui, format!("describe commit {}", commit.id().hex()))?;
commit_builder.set_description(description);
if commit_builder.description() != commit.description() || args.reset_author {
commit_builder.write(tx.mut_repo())?;
}
tx.finish(ui, format!("describe commit {}", commit.id().hex()))?;
Ok(())
}