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https://github.com/git/git.git
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bf7960eb51
This uses the git-update-ref command in scripts for safer updates. Also places where we used to read HEAD ref by using "cat" were fixed to use git-rev-parse. This will matter when we start using symbolic references. Signed-off-by: Junio C Hamano <junkio@cox.net>
69 lines
1.5 KiB
Bash
Executable file
69 lines
1.5 KiB
Bash
Executable file
#!/bin/sh
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#
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# Copyright (c) 2005 Junio C Hamano.
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#
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. git-sh-setup || die "Not a git archive."
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usage="usage: $0 "'<upstream> [<head>]
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Uses output from git-cherry to rebase local commits to the new head of
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upstream tree.'
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case "$#,$1" in
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1,*..*)
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upstream=$(expr "$1" : '\(.*\)\.\.') ours=$(expr "$1" : '.*\.\.\(.*\)$')
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set x "$upstream" "$ours"
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shift ;;
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esac
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git-update-index --refresh || exit
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case "$#" in
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1) ours_symbolic=HEAD ;;
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2) ours_symbolic="$2" ;;
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*) die "$usage" ;;
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esac
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upstream=`git-rev-parse --verify "$1"` &&
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ours=`git-rev-parse --verify "$ours_symbolic"` || exit
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different1=$(git-diff-index --name-only --cached "$ours") &&
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different2=$(git-diff-index --name-only "$ours") &&
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test "$different1$different2" = "" ||
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die "Your working tree does not match $ours_symbolic."
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git-read-tree -m -u $ours $upstream &&
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new_head=$(git-rev-parse --verify "$upstream^0") &&
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git-update-ref HEAD "$new_head" || exit
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tmp=.rebase-tmp$$
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fail=$tmp-fail
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trap "rm -rf $tmp-*" 1 2 3 15
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>$fail
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git-cherry -v $upstream $ours |
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while read sign commit msg
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do
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case "$sign" in
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-)
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echo >&2 "* Already applied: $msg"
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continue ;;
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esac
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echo >&2 "* Applying: $msg"
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S=$(git-rev-parse --verify HEAD) &&
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git-cherry-pick --replay $commit || {
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echo >&2 "* Not applying the patch and continuing."
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echo $commit >>$fail
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git-reset --hard $S
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}
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done
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if test -s $fail
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then
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echo >&2 Some commits could not be rebased, check by hand:
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cat >&2 $fail
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echo >&2 "(the same list of commits are found in $tmp)"
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exit 1
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else
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rm -f $fail
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fi
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