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https://github.com/git/git.git
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ac83aa2e1f
The check to use "rev-parse --verify" was defeated by the use of "--default HEAD". "git reset --hard bogus-committish" just defaulted to reset to the HEAD without complaining. Signed-off-by: Junio C Hamano <junkio@cox.net>
68 lines
1.5 KiB
Bash
Executable file
68 lines
1.5 KiB
Bash
Executable file
#!/bin/sh
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USAGE='[--mixed | --soft | --hard] [<commit-ish>]'
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. git-sh-setup
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tmp=${GIT_DIR}/reset.$$
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trap 'rm -f $tmp-*' 0 1 2 3 15
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update=
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reset_type=--mixed
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case "$1" in
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--mixed | --soft | --hard)
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reset_type="$1"
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shift
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;;
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-*)
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usage ;;
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esac
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case $# in
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0) rev=HEAD ;;
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1) rev=$(git-rev-parse --verify "$1") || exit ;;
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*) usage ;;
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esac
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rev=$(git-rev-parse --verify $rev^0) || exit
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# We need to remember the set of paths that _could_ be left
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# behind before a hard reset, so that we can remove them.
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if test "$reset_type" = "--hard"
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then
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update=-u
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fi
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# Soft reset does not touch the index file nor the working tree
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# at all, but requires them in a good order. Other resets reset
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# the index file to the tree object we are switching to.
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if test "$reset_type" = "--soft"
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then
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if test -f "$GIT_DIR/MERGE_HEAD" ||
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test "" != "$(git-ls-files --unmerged)"
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then
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die "Cannot do a soft reset in the middle of a merge."
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fi
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else
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git-read-tree --reset $update "$rev" || exit
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fi
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# Any resets update HEAD to the head being switched to.
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if orig=$(git-rev-parse --verify HEAD 2>/dev/null)
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then
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echo "$orig" >"$GIT_DIR/ORIG_HEAD"
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else
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rm -f "$GIT_DIR/ORIG_HEAD"
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fi
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git-update-ref -m "reset $reset_type $@" HEAD "$rev"
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case "$reset_type" in
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--hard )
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;; # Nothing else to do
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--soft )
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;; # Nothing else to do
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--mixed )
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# Report what has not been updated.
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git-update-index --refresh
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;;
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esac
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rm -f "$GIT_DIR/MERGE_HEAD" "$GIT_DIR/rr-cache/MERGE_RR" "$GIT_DIR/SQUASH_MSG"
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