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75 lines
1.7 KiB
75 lines
1.7 KiB
#!/bin/sh |
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# |
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# Copyright (c) 2005 Junio C Hamano. |
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# |
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USAGE='<upstream> [<head>]' |
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. git-sh-setup |
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case $# in 1|2) ;; *) usage ;; esac |
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# Make sure we do not have .dotest |
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if mkdir .dotest |
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then |
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rmdir .dotest |
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else |
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echo >&2 ' |
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It seems that I cannot create a .dotest directory, and I wonder if you |
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are in the middle of patch application or another rebase. If that is not |
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the case, please rm -fr .dotest and run me again. I am stopping in case |
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you still have something valuable there.' |
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exit 1 |
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fi |
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# The tree must be really really clean. |
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git-update-index --refresh || exit |
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diff=$(git-diff-index --cached --name-status -r HEAD) |
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case "$diff" in |
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?*) echo "$diff" |
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exit 1 |
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;; |
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esac |
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# The other head is given. Make sure it is valid. |
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other=$(git-rev-parse --verify "$1^0") || usage |
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# Make sure the branch to rebase is valid. |
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head=$(git-rev-parse --verify "${2-HEAD}^0") || exit |
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# If a hook exists, give it a chance to interrupt |
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if test -x "$GIT_DIR/hooks/pre-rebase" |
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then |
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"$GIT_DIR/hooks/pre-rebase" ${1+"$@"} || { |
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echo >&2 "The pre-rebase hook refused to rebase." |
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exit 1 |
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} |
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fi |
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# If the branch to rebase is given, first switch to it. |
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case "$#" in |
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2) |
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git-checkout "$2" || usage |
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esac |
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mb=$(git-merge-base "$other" "$head") |
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# Check if we are already based on $other. |
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if test "$mb" = "$other" |
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then |
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echo >&2 "Current branch `git-symbolic-ref HEAD` is up to date." |
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exit 0 |
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fi |
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# Rewind the head to "$other" |
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git-reset --hard "$other" |
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# If the $other is a proper descendant of the tip of the branch, then |
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# we just fast forwarded. |
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if test "$mb" = "$head" |
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then |
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echo >&2 "Fast-forwarded $head to $other." |
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exit 0 |
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fi |
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git-format-patch -k --stdout --full-index "$other" ORIG_HEAD | |
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git am --binary -3 -k
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