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a6c612b528
This option allows commits with empty commit messages to be rebased, matching the same option in git-commit and git-cherry-pick. While empty log messages are frowned upon, sometimes one finds them in older repositories (e.g. translated from another VCS [0]), or have other reasons for desiring them. The option is available in git-commit and git-cherry-pick, so it is natural to make other git tools play nicely with them. Adding this as an option allows the default to be "give the user a chance to fix", while not interrupting the user's workflow otherwise [1]. [0]: https://stackoverflow.com/q/8542304 [1]: https://public-inbox.org/git/7vd33afqjh.fsf@alter.siamese.dyndns.org/ To implement this, add a new --allow-empty-message flag. Then propagate it to all calls of 'git commit', 'git cherry-pick', and 'git rebase--helper' within the rebase scripts. Signed-off-by: Genki Sky <sky@genki.is> Reviewed-by: Johannes Schindelin <Johannes.Schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
106 lines
2.6 KiB
Bash
106 lines
2.6 KiB
Bash
# This shell script fragment is sourced by git-rebase to implement
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# its default, fast, patch-based, non-interactive mode.
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#
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# Copyright (c) 2010 Junio C Hamano.
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#
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# The whole contents of this file is run by dot-sourcing it from
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# inside a shell function. It used to be that "return"s we see
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# below were not inside any function, and expected to return
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# to the function that dot-sourced us.
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#
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# However, older (9.x) versions of FreeBSD /bin/sh misbehave on such a
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# construct and continue to run the statements that follow such a "return".
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# As a work-around, we introduce an extra layer of a function
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# here, and immediately call it after defining it.
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git_rebase__am () {
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case "$action" in
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continue)
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git am --resolved --resolvemsg="$resolvemsg" \
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${gpg_sign_opt:+"$gpg_sign_opt"} &&
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move_to_original_branch
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return
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;;
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skip)
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git am --skip --resolvemsg="$resolvemsg" &&
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move_to_original_branch
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return
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;;
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esac
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if test -z "$rebase_root"
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# this is now equivalent to ! -z "$upstream"
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then
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revisions=$upstream...$orig_head
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else
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revisions=$onto...$orig_head
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fi
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ret=0
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if test -n "$keep_empty"
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then
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# we have to do this the hard way. git format-patch completely squashes
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# empty commits and even if it didn't the format doesn't really lend
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# itself well to recording empty patches. fortunately, cherry-pick
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# makes this easy
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git cherry-pick ${gpg_sign_opt:+"$gpg_sign_opt"} --allow-empty \
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$allow_rerere_autoupdate --right-only "$revisions" \
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$allow_empty_message \
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${restrict_revision+^$restrict_revision}
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ret=$?
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else
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rm -f "$GIT_DIR/rebased-patches"
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git format-patch -k --stdout --full-index --cherry-pick --right-only \
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--src-prefix=a/ --dst-prefix=b/ --no-renames --no-cover-letter \
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--pretty=mboxrd \
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$git_format_patch_opt \
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"$revisions" ${restrict_revision+^$restrict_revision} \
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>"$GIT_DIR/rebased-patches"
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ret=$?
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if test 0 != $ret
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then
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rm -f "$GIT_DIR/rebased-patches"
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case "$head_name" in
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refs/heads/*)
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git checkout -q "$head_name"
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;;
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*)
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git checkout -q "$orig_head"
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;;
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esac
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cat >&2 <<-EOF
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git encountered an error while preparing the patches to replay
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these revisions:
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$revisions
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As a result, git cannot rebase them.
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EOF
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return $ret
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fi
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git am $git_am_opt --rebasing --resolvemsg="$resolvemsg" \
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--patch-format=mboxrd \
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$allow_rerere_autoupdate \
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${gpg_sign_opt:+"$gpg_sign_opt"} <"$GIT_DIR/rebased-patches"
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ret=$?
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rm -f "$GIT_DIR/rebased-patches"
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fi
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if test 0 != $ret
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then
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test -d "$state_dir" && write_basic_state
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return $ret
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fi
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move_to_original_branch
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}
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# ... and then we call the whole thing.
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git_rebase__am
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