move: deprecate the command

Per discussion in
https://github.com/martinvonz/jj/discussions/2882. `jj squash` now has
all the functionality.

CHANGELOG.md

@@ -9,6 +9,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Deprecations
 
+* `jj move` was deprecated in favor of `jj squash`.
+
 ### Breaking changes
 
 ### New features

README.md

@@ -276,7 +276,7 @@ Besides the usual rebase command, there's `jj describe` for editing the
 description (commit message) of an arbitrary commit. There's also `jj diffedit`,
 which lets you edit the changes in a commit without checking it out. To split
 a commit into two, use `jj split`. You can even move part of the changes in a
-commit to any other commit using `jj move`.
+commit to any other commit using `jj squash -i --from X --into Y`.
 
 ## Status
 

cli/src/commands/move.rs

@@ -62,6 +62,14 @@ pub(crate) fn cmd_move(
     command: &CommandHelper,
     args: &MoveArgs,
 ) -> Result<(), CommandError> {
+    writeln!(
+        ui.warning(),
+        "warning: `jj move` is deprecated; use `jj squash` instead, which is equivalent"
+    )?;
+    writeln!(
+        ui.warning(),
+        "warning: `jj move` will be removed in a future version, and this will be a hard error"
+    )?;
     let mut workspace_command = command.workspace_helper(ui)?;
     let source = workspace_command.resolve_single_rev(args.from.as_deref().unwrap_or("@"))?;
     let destination = workspace_command.resolve_single_rev(args.to.as_deref().unwrap_or("@"))?;

cli/tests/test_immutable_commits.rs

@@ -143,12 +143,16 @@ fn test_rewrite_immutable_commands() {
     // move --from
     let stderr = test_env.jj_cmd_failure(&repo_path, &["move", "--from=main"]);
     insta::assert_snapshot!(stderr, @r###"
+    warning: `jj move` is deprecated; use `jj squash` instead, which is equivalent
+    warning: `jj move` will be removed in a future version, and this will be a hard error
     Error: Commit 3d14df18607e is immutable
     Hint: Configure the set of immutable commits via `revset-aliases.immutable_heads()`.
     "###);
     // move --to
     let stderr = test_env.jj_cmd_failure(&repo_path, &["move", "--to=main"]);
     insta::assert_snapshot!(stderr, @r###"
+    warning: `jj move` is deprecated; use `jj squash` instead, which is equivalent
+    warning: `jj move` will be removed in a future version, and this will be a hard error
     Error: Commit 3d14df18607e is immutable
     Hint: Configure the set of immutable commits via `revset-aliases.immutable_heads()`.
     "###);

cli/tests/test_move_command.rs

@@ -78,6 +78,8 @@ fn test_move() {
     // Errors out if source and destination are the same
     let stderr = test_env.jj_cmd_failure(&repo_path, &["move", "--to", "@"]);
     insta::assert_snapshot!(stderr, @r###"
+    warning: `jj move` is deprecated; use `jj squash` instead, which is equivalent
+    warning: `jj move` will be removed in a future version, and this will be a hard error
     Error: Source and destination cannot be the same.
     "###);
 
@@ -85,6 +87,8 @@ fn test_move() {
     let (stdout, stderr) = test_env.jj_cmd_ok(&repo_path, &["move", "--from", "c"]);
     insta::assert_snapshot!(stdout, @"");
     insta::assert_snapshot!(stderr, @r###"
+    warning: `jj move` is deprecated; use `jj squash` instead, which is equivalent
+    warning: `jj move` will be removed in a future version, and this will be a hard error
     Working copy now at: kmkuslsw 1c03e3d3 f | (no description set)
     Parent commit      : znkkpsqq e9515f21 e | (no description set)
     Added 0 files, modified 1 files, removed 0 files
@@ -114,6 +118,8 @@ fn test_move() {
     let (stdout, stderr) = test_env.jj_cmd_ok(&repo_path, &["move", "--from", "@--"]);
     insta::assert_snapshot!(stdout, @"");
     insta::assert_snapshot!(stderr, @r###"
+    warning: `jj move` is deprecated; use `jj squash` instead, which is equivalent
+    warning: `jj move` will be removed in a future version, and this will be a hard error
     Working copy now at: kmkuslsw c8d83075 f | (no description set)
     Parent commit      : znkkpsqq 2c50bfc5 e | (no description set)
     "###);
@@ -140,6 +146,8 @@ fn test_move() {
     let (stdout, stderr) = test_env.jj_cmd_ok(&repo_path, &["move", "--from", "e", "--to", "d"]);
     insta::assert_snapshot!(stdout, @"");
     insta::assert_snapshot!(stderr, @r###"
+    warning: `jj move` is deprecated; use `jj squash` instead, which is equivalent
+    warning: `jj move` will be removed in a future version, and this will be a hard error
     Rebased 1 descendant commits
     Working copy now at: kmkuslsw 2b723b1d f | (no description set)
     Parent commit      : vruxwmqv 4293930d d e | (no description set)
@@ -205,6 +213,8 @@ fn test_move_partial() {
     let (stdout, stderr) = test_env.jj_cmd_ok(&repo_path, &["move", "-i", "--from", "c"]);
     insta::assert_snapshot!(stdout, @"");
     insta::assert_snapshot!(stderr, @r###"
+    warning: `jj move` is deprecated; use `jj squash` instead, which is equivalent
+    warning: `jj move` will be removed in a future version, and this will be a hard error
     Working copy now at: vruxwmqv 71b69e43 d | (no description set)
     Parent commit      : qpvuntsm 3db0a2f5 a | (no description set)
     Added 0 files, modified 2 files, removed 0 files
@@ -237,6 +247,8 @@ fn test_move_partial() {
     let (stdout, stderr) = test_env.jj_cmd_ok(&repo_path, &["move", "-i", "--from", "c"]);
     insta::assert_snapshot!(stdout, @"");
     insta::assert_snapshot!(stderr, @r###"
+    warning: `jj move` is deprecated; use `jj squash` instead, which is equivalent
+    warning: `jj move` will be removed in a future version, and this will be a hard error
     Working copy now at: vruxwmqv 63f1a6e9 d | (no description set)
     Parent commit      : qpvuntsm 3db0a2f5 a | (no description set)
     Added 0 files, modified 1 files, removed 0 files
@@ -272,6 +284,8 @@ fn test_move_partial() {
     let (stdout, stderr) = test_env.jj_cmd_ok(&repo_path, &["move", "--from", "c", "file1"]);
     insta::assert_snapshot!(stdout, @"");
     insta::assert_snapshot!(stderr, @r###"
+    warning: `jj move` is deprecated; use `jj squash` instead, which is equivalent
+    warning: `jj move` will be removed in a future version, and this will be a hard error
     Working copy now at: vruxwmqv 17c2e663 d | (no description set)
     Parent commit      : qpvuntsm 3db0a2f5 a | (no description set)
     Added 0 files, modified 1 files, removed 0 files
@@ -308,6 +322,8 @@ fn test_move_partial() {
         test_env.jj_cmd_ok(&repo_path, &["move", "--from", "c", "--to", "b", "file1"]);
     insta::assert_snapshot!(stdout, @"");
     insta::assert_snapshot!(stderr, @r###"
+    warning: `jj move` is deprecated; use `jj squash` instead, which is equivalent
+    warning: `jj move` will be removed in a future version, and this will be a hard error
     Rebased 1 descendant commits
     "###);
     insta::assert_snapshot!(get_log_output(&test_env, &repo_path), @r###"
@@ -335,6 +351,8 @@ fn test_move_partial() {
     let (stdout, stderr) = test_env.jj_cmd_ok(&repo_path, &["move", "--from", "c", "nonexistent"]);
     insta::assert_snapshot!(stdout, @"");
     insta::assert_snapshot!(stderr, @r###"
+    warning: `jj move` is deprecated; use `jj squash` instead, which is equivalent
+    warning: `jj move` will be removed in a future version, and this will be a hard error
     Working copy now at: vruxwmqv b670567d d | (no description set)
     Parent commit      : qpvuntsm 3db0a2f5 a | (no description set)
     "###);

docs/FAQ.md

@@ -122,9 +122,8 @@ try `jj rebase -s all:commit_with_local_changes+ -d main`
 
 An alternative workflow would be to rebase the commit with local changes on
 top of the PR you're working on and then do `jj new commit_with_local_changes`.
-You'll then need to use `jj new --before` to create new commits
+You'll then need to use `jj new --before` to create new commits and
-and `jj move --to`
+`jj squash --into` to move new changes into the correct commits.
-to move new changes into the correct commits.
 
 ### I accidentally changed files in the wrong commit, how do I move the recent changes into another commit?
 

docs/git-comparison.md

@@ -212,7 +212,7 @@ parent.
     </tr>
     <tr>
       <td>Abandon the parent of the working copy, but keep its diff in the working copy</td>
-      <td><code>jj move --from @-</code></td>
+      <td><code>jj squash --from @-</code></td>
       <td><code>git reset --soft HEAD~</code></td>
     </tr>
     <tr>
@@ -275,13 +275,13 @@ parent.
     </tr>
     <tr>
       <td>Move the diff in the working copy into an ancestor</td>
-      <td><code>jj move --to X</code></td>
+      <td><code>jj squash --into X</code></td>
       <td><code>git commit --fixup=X; git rebase -i --autosquash X^</code></td>
     </tr>
     <tr>
       <td>Interactively move part of the diff in an arbitrary change to another
           arbitrary change</td>
-      <td><code>jj move -i --from X --to Y</code></td>
+      <td><code>jj squash -i --from X --into Y</code></td>
       <td>Not supported</td>
     </tr>
     <tr>

docs/tutorial.md

@@ -486,6 +486,6 @@ unchanged, `jj diffedit` (typically) results in a different state, which means
 that descendant commits may have conflicts.
 
 Other commands for rewriting contents of existing commits are `jj split`, `jj
-unsquash -i` and `jj move -i`. Now that you've seen how `jj squash -i` and `jj
+unsquash -i`. Now that you've seen how `jj squash -i` and `jj diffedit` work,
-diffedit` work, you can hopefully figure out how those work (with the help of
+you can hopefully figure out how those work (with the help of the instructions
-the instructions in the diff).
+in the diff).