66 lines
1.6 KiB
Bash
66 lines
1.6 KiB
Bash
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#!/bin/sh
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USAGE="(edit | show) [commit]"
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. git-sh-setup
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test -n "$3" && usage
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test -z "$1" && usage
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ACTION="$1"; shift
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test -z "$GIT_NOTES_REF" && GIT_NOTES_REF="$(git config core.notesref)"
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test -z "$GIT_NOTES_REF" && GIT_NOTES_REF="refs/notes/commits"
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COMMIT=$(git rev-parse --verify --default HEAD "$@") ||
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die "Invalid commit: $@"
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MESSAGE="$GIT_DIR"/new-notes-$COMMIT
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trap '
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test -f "$MESSAGE" && rm "$MESSAGE"
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' 0
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case "$ACTION" in
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edit)
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GIT_NOTES_REF= git log -1 $COMMIT | sed "s/^/#/" > "$MESSAGE"
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GIT_INDEX_FILE="$MESSAGE".idx
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export GIT_INDEX_FILE
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CURRENT_HEAD=$(git show-ref "$GIT_NOTES_REF" | cut -f 1 -d ' ')
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if [ -z "$CURRENT_HEAD" ]; then
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PARENT=
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else
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PARENT="-p $CURRENT_HEAD"
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git read-tree "$GIT_NOTES_REF" || die "Could not read index"
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git cat-file blob :$COMMIT >> "$MESSAGE" 2> /dev/null
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fi
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${VISUAL:-${EDITOR:-vi}} "$MESSAGE"
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grep -v ^# < "$MESSAGE" | git stripspace > "$MESSAGE".processed
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mv "$MESSAGE".processed "$MESSAGE"
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if [ -s "$MESSAGE" ]; then
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BLOB=$(git hash-object -w "$MESSAGE") ||
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die "Could not write into object database"
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git update-index --add --cacheinfo 0644 $BLOB $COMMIT ||
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die "Could not write index"
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else
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test -z "$CURRENT_HEAD" &&
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die "Will not initialise with empty tree"
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git update-index --force-remove $COMMIT ||
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die "Could not update index"
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fi
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TREE=$(git write-tree) || die "Could not write tree"
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NEW_HEAD=$(echo Annotate $COMMIT | git commit-tree $TREE $PARENT) ||
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die "Could not annotate"
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git update-ref -m "Annotate $COMMIT" \
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"$GIT_NOTES_REF" $NEW_HEAD $CURRENT_HEAD
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;;
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show)
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git show "$GIT_NOTES_REF":$COMMIT
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;;
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*)
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usage
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esac
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