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Martin von Zweigbergk 04f11c0dc3 rebase: update bookkeeping for branches as we rebase descendants
The `DescendantRebaser` keeps a map of branches from the source
commit, so it gets efficient lookup of branches to update when a
commit has been rebased. This map was not kept up to date as we
rebased. That could lead to branches getting left on hidden
intermediate commits. Specifically, if a commit with a branch was
rewritten by some command, and an ancestor of it was also rewritten,
then we'd only update the branch only the first step and not update it
again when rebasing onto the rewritten ancestor.
2022-04-25 14:05:27 -07:00

5.2 KiB

Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[Unreleased]

New features

  • jj rebase now accepts a --branch/-b <revision> argument, which can be used instead of -r or -s to specify which commits to rebase. It will rebase the whole branch, relative to the destination. The default mode has changed from -r @ to -b @.

  • The new jj print command prints the contents of a file in a revision.

  • jj move and jj squash now lets you limit the set of changes to move by specifying paths on the command line (in addition to the --interactive mode). For example, use jj move --to @-- foo to move the changes to file (or directory) foo in the working copy to the grandparent commit.

  • jj split now lets you specify on the CLI which paths to include in the first commit. The interactive diff-editing is not started when you do that.

  • The $JJ_CONFIG environment variable can now point to a directory. If it does, all files in the directory will be read, in alphabetical order.

  • You can now override the $EDITOR environment variable by setting the ui.editor config. There is also a new $JJ_EDITOR environment variable, which has even higher priority than the config.

  • The new revset function connected(x) is the same as x:x.

  • The new revset function roots(x) finds commits in the set that are not descendants of other commits in the set.

Fixed bugs

  • When rebasing a conflict where one side modified a file and the other side deleted it, we no longer automatically resolve it in favor of the modified content (this was a regression from commit c0ae4b16e8).

  • Errors are now printed to stderr (they used to be printed to stdout).

  • Updating the working copy to a commit where a file's executable bit changed but the contents was the same used to lead to a crash. That has now been fixed.

  • If one side of a merge modified a directory and the other side deleted it, it used to be considered a conflict. The same was true if both sides added a directory with different files in. They are now merged as if the missing directory had been empty.

  • When using jj move to move part of a commit into an ancestor, any branches pointing to the source commit used to be left on a hidden intermediate commit. They are now correctly updated.

  • jj untrack now requires at least one path (allowing no arguments was a UX bug).

  • jj rebase now requires at least one destination (allowing no arguments was a UX bug).

  • You now get a proper error message instead of a crash when $EDITOR doesn't exist or exits with an error.

  • Fixed relative path to the current directory in output to be . instead of empty string.

  • When adding a new workspace, the parent of the current workspace's current checkout will be checked out. That was always the intent, but the root commit was accidentally checked out instead.

[0.4.0] - 2022-04-02

Breaking changes

  • Dropped support for config in ~/.jjconfig. Your configuration is now read from <config dir>/jj/config.toml, where <config dir> is ${XDG_CONFIG_HOME} or ~/.config/ on Linux, ~/Library/Application Support/ on macOS, and ~\AppData\Roaming\ on Windows.

New features

  • You can now set an environment variable called $JJ_CONFIG to a path to a config file. That will then be read instead of your regular config file. This is mostly intended for testing and scripts.

  • The standard $NO_COLOR environment variable is now respected.

  • jj new now lets you specify a description with --message/-m.

  • When you check out a commit, the old commit no longer automatically gets abandoned if it's empty and has descendants, it only gets abandoned if it's empty and does not have descendants.

  • (#111) When undoing an earlier operation, any new commits on top of commits from the undone operation will be rebased away. For example, let's say you rebase commit A so it becomes a new commit A', and then you create commit B on top of A'. If you now undo the rebase operation, commit B will be rebased to be on top of A instead. The same logic is used if the repo was modified by concurrent operations (so if one operation added B on top of A, and one operation rebased A as A', then B would be automatically rebased on top of A'). See #111 for more examples.

  • jj log now accepts -p/--patch option.

Fixed bugs

  • Fixed crash on jj init --git-repo=. (it almost always crashed).

  • When sharing the working copy with a Git repo, the automatic importing and exporting (sometimes?) didn't happen on Windows.

[0.3.3] - 2022-03-16

No changes, only trying to get the automated build to work.

[0.3.2] - 2022-03-16

No changes, only trying to get the automated build to work.

[0.3.1] - 2022-03-13

Fixed bugs

  • (#131) Fixed crash when core.excludesFile pointed to non-existent file, and made leading ~/ in that config expand to $HOME/

[0.3.0] - 2022-03-12

Last release before this changelog started.