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Commit | Line | Data |
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055a5975 JS |
1 | #!/bin/sh |
2 | ||
3 | USAGE="(edit | show) [commit]" | |
4 | . git-sh-setup | |
5 | ||
6 | test -n "$3" && usage | |
7 | ||
8 | test -z "$1" && usage | |
9 | ACTION="$1"; shift | |
10 | ||
11 | test -z "$GIT_NOTES_REF" && GIT_NOTES_REF="$(git config core.notesref)" | |
12 | test -z "$GIT_NOTES_REF" && GIT_NOTES_REF="refs/notes/commits" | |
13 | ||
14 | COMMIT=$(git rev-parse --verify --default HEAD "$@") || | |
15 | die "Invalid commit: $@" | |
16 | ||
17 | MESSAGE="$GIT_DIR"/new-notes-$COMMIT | |
18 | trap ' | |
19 | test -f "$MESSAGE" && rm "$MESSAGE" | |
20 | ' 0 | |
21 | ||
22 | case "$ACTION" in | |
23 | edit) | |
24 | GIT_NOTES_REF= git log -1 $COMMIT | sed "s/^/#/" > "$MESSAGE" | |
25 | ||
26 | GIT_INDEX_FILE="$MESSAGE".idx | |
27 | export GIT_INDEX_FILE | |
28 | ||
29 | CURRENT_HEAD=$(git show-ref "$GIT_NOTES_REF" | cut -f 1 -d ' ') | |
30 | if [ -z "$CURRENT_HEAD" ]; then | |
31 | PARENT= | |
32 | else | |
33 | PARENT="-p $CURRENT_HEAD" | |
34 | git read-tree "$GIT_NOTES_REF" || die "Could not read index" | |
35 | git cat-file blob :$COMMIT >> "$MESSAGE" 2> /dev/null | |
36 | fi | |
37 | ||
38 | ${VISUAL:-${EDITOR:-vi}} "$MESSAGE" | |
39 | ||
40 | grep -v ^# < "$MESSAGE" | git stripspace > "$MESSAGE".processed | |
41 | mv "$MESSAGE".processed "$MESSAGE" | |
42 | if [ -s "$MESSAGE" ]; then | |
43 | BLOB=$(git hash-object -w "$MESSAGE") || | |
44 | die "Could not write into object database" | |
45 | git update-index --add --cacheinfo 0644 $BLOB $COMMIT || | |
46 | die "Could not write index" | |
47 | else | |
48 | test -z "$CURRENT_HEAD" && | |
49 | die "Will not initialise with empty tree" | |
50 | git update-index --force-remove $COMMIT || | |
51 | die "Could not update index" | |
52 | fi | |
53 | ||
54 | TREE=$(git write-tree) || die "Could not write tree" | |
55 | NEW_HEAD=$(echo Annotate $COMMIT | git commit-tree $TREE $PARENT) || | |
56 | die "Could not annotate" | |
57 | git update-ref -m "Annotate $COMMIT" \ | |
58 | "$GIT_NOTES_REF" $NEW_HEAD $CURRENT_HEAD | |
59 | ;; | |
60 | show) | |
61 | git show "$GIT_NOTES_REF":$COMMIT | |
62 | ;; | |
63 | *) | |
64 | usage | |
65 | esac |