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v0.44.0

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@martinvonz martinvonz released this 06 Aug 01:42
v0.44.0
af45d57

About

jj is a Git-compatible version control system that is both simple and powerful. See
the installation instructions to get started.

Release highlights

  • Support for fetching and pushing tags has now been stabilized. Tags can be
    tracked or untracked just like bookmarks. Tracked tags are pushed by default.

Breaking changes

  • jj git fetch now fetches tags the same way it fetches bookmarks. Tags are
    fetched as <name>@<remote>, and these remote tags are automatically tracked
    by local tags of the same name. Running jj git fetch in an existing
    repository will re-fetch all tags to initialize the tracking state.

    Git's tagOpt is no longer respected. To disable tag fetching, set
    remotes.<name>.fetch-tags = '~*' in the jj configuration.

  • jj git clone --fetch-tags=all|none|included is removed in favor of
    --tag=PATTERN.

  • jj git push --all now pushes all tags in addition to bookmarks.

  • The WorkspaceRef.root() and RepoPath.absolute() template functions now
    return Option<FsPath> and FsPath respectively, instead of String. The
    path keyword in jj config list templates now returns Option<FsPath>.

  • jj file search now prints every matched line prefixed by the file path,
    instead of only the file paths of files containing a match. Use
    --name-only for the previous behavior.
    #9399

  • Passing an argument more than once is no longer an error. The last occurrence
    wins, so jj --no-pager --no-pager version and jj log -n 5 -n 10 now work,
    and an argument baked into an alias or a wrapper can be given explicitly as
    well. Arguments that can be specified multiple times, such as --config and
    jj log -r, are unaffected and still collect all of their values.
    #8101
    #9859

Deprecations

None

New features

  • New merge_point() revset function which (similar to fork_point) finds the
    point where multiple branches merge.

  • jj workspace list now shows workspace roots by default. The output can be
    customized with templates.workspace_list or -T, and WorkspaceRef.root()
    returns an optional FsPath value.
    #9713,
    #9826

  • New try(expr, fallback...) template function to suppress runtime errors.

  • jj run now processes revisions from oldest to newest by default. The start
    order is guaranteed: each revision begins execution only after the previous
    one has started, even with --jobs higher than 1.

  • jj run gained a --passthrough flag that connects the subprocess's
    stdout/stderr directly to the terminal instead of capturing output.

  • jj run gained a --ignore-changes flag to avoid editing any revisions even
    if the command modifies the working copy.

  • jj run gained a --ignore-errors flag to continue running against the
    remaining revisions even if the command exits with a nonzero exit code.

  • jj file search now supports -n/--line-number to prefix each match with
    its 1-based line number within the file.

  • jj git push gained a --allow-conflicts flag to allow pushing commits
    containing conflicts.

  • New jj tag track/untrack commands to associate local tags with remotes.
    Note that fetched tags are tracked by default.

  • Added builtin_log() revset alias for the built-in default jj log revset.
    revsets.log now defaults to builtin_log(), so custom log revsets can
    reuse the built-in default instead of copying its full expression.

  • Added config option diff.stat.max-bar-width for use with --stat to limit
    the ++-- bar width. In the templating language, diff.stat() can optionally
    take a second (positional or named) argument max_bar_width for an equivalent
    effect.

  • jj absorb now supports --interactive/-i/--tool to let you
    interactively choose which hunks from the source to consider for absorption.
    This is useful when you only want to absorb part of a commit without first
    splitting it. Any hunks that are not selected or cannot be absorbed remain in
    the source commit.

Fixed bugs

  • Recursive alias definitions are detected more precisely. jj can now expand
    aliases that are simply repeated. For example, with the alias jj = [], the
    command jj jj jj will resolve to jj. Aliases can also fall back to the
    default command. For example, with the alias i = ["--ignore-working-copy"],
    jj i will resolve to jj --ignore-working-copy.

  • Git temporary files are now cleaned up more reliably in the presence of
    signals (e.g. Ctrl-C). This should reduce the rate of "Could not acquire
    lock for index file" errors.
    (#7530)

  • Fixed Git HEAD mismatch after the working copy became immutable.
    #9827

  • jj now creates a new working-copy revision as soon as the one of the current
    workspace becomes immutable, as well as during snapshotting. This brings the
    behavior closer to jj 0.42 and earlier.

  • Snapshotting no longer fails if the working copy contains a path whose name
    isn't valid UTF-8. Such paths can't be tracked, so they are now skipped and
    reported as a warning instead.
    #9774

  • Fixed failure when reading configuration in copied repo with an empty
    repo-level configuration directory.

  • jj diff and jj status no longer omit a rename or copy in a merge commit
    when the renamed source is present in more than one parent. The identical copy
    record reported for each parent was mistaken for a conflict and discarded.
    #9752

  • jj run no longer panics when its revset includes a conflicted commit. The
    conflict is now preserved in the rewritten commit.
    #9747

  • Fixed a panic when passing overly-large length parameters to ID templater
    functions (commit_id.short(), commit_id.shortest(), etc.).
    #9833

  • jj git import and export in colocated workspaces are now disabled by
    default. These commands usually do nothing, but they had a race condition.

Contributors

Thanks to the people who made this release happen!

Contributors

thoughtpolice, jennings, and 33 other contributors
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