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64 lines
1.4 KiB
64 lines
1.4 KiB
#!/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" "$GIT_DIR/rr-cache/MERGE_RR" "$GIT_DIR/SQUASH_MSG"
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