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