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101 lines
2.0 KiB
101 lines
2.0 KiB
#!/bin/sh |
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# |
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# Copyright (c) 2005, 2006 Linus Torvalds and Junio C Hamano |
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# |
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USAGE='[--mixed | --soft | --hard] [<commit-ish>] [ [--] <paths>...]' |
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SUBDIRECTORY_OK=Yes |
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. git-sh-setup |
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update= reset_type=--mixed |
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unset rev |
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while case $# in 0) break ;; esac |
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do |
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case "$1" in |
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--mixed | --soft | --hard) |
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reset_type="$1" |
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;; |
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--) |
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break |
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;; |
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-*) |
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usage |
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;; |
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*) |
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rev=$(git-rev-parse --verify "$1") || exit |
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shift |
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break |
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;; |
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esac |
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shift |
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done |
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: ${rev=HEAD} |
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rev=$(git-rev-parse --verify $rev^0) || exit |
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# Skip -- in "git reset HEAD -- foo" and "git reset -- foo". |
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case "$1" in --) shift ;; esac |
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# git reset --mixed tree [--] paths... can be used to |
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# load chosen paths from the tree into the index without |
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# affecting the working tree nor HEAD. |
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if test $# != 0 |
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then |
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test "$reset_type" == "--mixed" || |
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die "Cannot do partial $reset_type reset." |
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git ls-tree -r --full-name $rev -- "$@" | |
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git update-index --add --index-info || exit |
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git update-index --refresh |
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exit |
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fi |
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TOP=$(git-rev-parse --show-cdup) |
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if test ! -z "$TOP" |
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then |
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cd "$TOP" |
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fi |
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if test "$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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update_ref_status=$? |
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case "$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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"$GIT_DIR/SQUASH_MSG" "$GIT_DIR/MERGE_MSG" |
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exit $update_ref_status
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