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67644a4d77
When updating a ref at the direction of the user include a reason why head was changed as part of the ref log (assuming it was enabled). Signed-off-by: Shawn O. Pearce <spearce@spearce.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
65 lines
1.4 KiB
Bash
Executable File
65 lines
1.4 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="$1"
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shift
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;;
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-*)
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usage ;;
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esac
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rev=$(git-rev-parse --verify --default HEAD "$@") || exit
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rev=$(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"
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