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cli: make jj restore --to <rev> restore from the working copy

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Martin von Zweigbergk 2022-04-24 12:13:43 -07:00 committed by Martin von Zweigbergk
parent 9f9af78c45
commit 0058236a43
3 changed files with 39 additions and 12 deletions
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3
CHANGELOG.md
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@ -63,6 +63,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
* `jj rebase` now requires at least one destination (allowing no arguments was a
UX bug).
* `jj restore --to <rev>` now restores from the working copy (it used to restore
from the working copy's parent).
* You now get a proper error message instead of a crash when `$EDITOR` doesn't
exist or exits with an error.

22
src/commands.rs
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@ -1317,6 +1317,10 @@ struct UnsquashArgs {
/// as they had in the source (`--from`). This is typically used for undoing
/// changes to some paths in the working copy (`jj restore <paths>`).
///
/// When neither `--from` nor `--to` is specified, the command restores into the
/// working copy from its parent. If one of `--from` or `--to` is specified, the
/// other one defaults to the working copy.
///
/// If you restore from a revision where the path has conflicts, then the
/// destination revision will have the same conflict. If the destination is the
/// working copy, then a new commit will be created on top for resolving the
@ -1327,11 +1331,11 @@ struct UnsquashArgs {
#[derive(clap::Args, Clone, Debug)]
struct RestoreArgs {
/// Revision to restore from (source)
#[clap(long, default_value = "@-")]
from: String,
#[clap(long)]
from: Option<String>,
/// Revision to restore into (destination)
#[clap(long, default_value = "@")]
to: String,
#[clap(long)]
to: Option<String>,
/// Interactively choose which parts to restore
#[clap(long, short)]
interactive: bool,
@ -3410,8 +3414,14 @@ fn cmd_restore(
args: &RestoreArgs,
) -> Result<(), CommandError> {
let mut workspace_command = command.workspace_helper(ui)?;
let from_commit = workspace_command.resolve_single_rev(ui, &args.from)?;
let to_commit = workspace_command.resolve_single_rev(ui, &args.to)?;
let (from_str, to_str) = match (args.from.as_deref(), args.to.as_deref()) {
(None, None) => ("@-", "@"),
(Some(from), None) => (from, "@"),
(None, Some(to)) => ("@", to),
(Some(from), Some(to)) => (from, to),
};
let from_commit = workspace_command.resolve_single_rev(ui, from_str)?;
let to_commit = workspace_command.resolve_single_rev(ui, to_str)?;
workspace_command.check_rewriteable(&to_commit)?;
let repo = workspace_command.repo();
let tree_id;

26
tests/test_restore_command.rs
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@ -53,11 +53,8 @@ fn test_restore() {
");
// Can restore into other revision
// TODO: Maybe we should make `--from @` be the default when using `--to`. That
// would probably mean declaring both `--from` and `--to` optional and
// without default values and handle the defaults in code.
test_env.jj_cmd_success(&repo_path, &["undo"]);
let stdout = test_env.jj_cmd_success(&repo_path, &["restore", "--from", "@", "--to", "@-"]);
let stdout = test_env.jj_cmd_success(&repo_path, &["restore", "--to", "@-"]);
insta::assert_snapshot!(stdout, @r###"
Created 5ed06151e039
Rebased 1 descendant commits
@ -72,12 +69,29 @@ fn test_restore() {
A file3
"###);
// Can combine `--from` and `--to`
test_env.jj_cmd_success(&repo_path, &["undo"]);
let stdout = test_env.jj_cmd_success(&repo_path, &["restore", "--from", "@", "--to", "@-"]);
insta::assert_snapshot!(stdout, @r###"
Created c83e17dc46fd
Rebased 1 descendant commits
Working copy now at: df9fb6892f99
"###);
let stdout = test_env.jj_cmd_success(&repo_path, &["diff", "-s"]);
insta::assert_snapshot!(stdout, @"");
let stdout = test_env.jj_cmd_success(&repo_path, &["diff", "-s", "-r", "@-"]);
insta::assert_snapshot!(stdout, @r###"
R file1
A file2
A file3
"###);
// Can restore only specified paths
test_env.jj_cmd_success(&repo_path, &["undo"]);
let stdout = test_env.jj_cmd_success(&repo_path, &["restore", "file2", "file3"]);
insta::assert_snapshot!(stdout, @r###"
Created a5bd47134d7e
Working copy now at: a5bd47134d7e
Created 28647642d4a5
Working copy now at: 28647642d4a5
Added 0 files, modified 1 files, removed 1 files
"###);
let stdout = test_env.jj_cmd_success(&repo_path, &["diff", "-s"]);