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Commit | Line | Data |
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65d9fb48 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: $@" | |
16 | ||
17 | case "$ACTION" in | |
18 | edit) | |
19 | if [ "${GIT_NOTES_REF#refs/notes/}" = "$GIT_NOTES_REF" ]; then | |
20 | die "Refusing to edit notes in $GIT_NOTES_REF (outside of refs/notes/)" | |
21 | fi | |
22 | ||
23 | MSG_FILE="$GIT_DIR/new-notes-$COMMIT" | |
24 | GIT_INDEX_FILE="$MSG_FILE.idx" | |
25 | export GIT_INDEX_FILE | |
26 | ||
27 | trap ' | |
28 | test -f "$MSG_FILE" && rm "$MSG_FILE" | |
29 | test -f "$GIT_INDEX_FILE" && rm "$GIT_INDEX_FILE" | |
30 | ' 0 | |
31 | ||
32 | GIT_NOTES_REF= git log -1 $COMMIT | sed "s/^/#/" > "$MSG_FILE" | |
33 | ||
34 | CURRENT_HEAD=$(git show-ref "$GIT_NOTES_REF" | cut -f 1 -d ' ') | |
35 | if [ -z "$CURRENT_HEAD" ]; then | |
36 | PARENT= | |
37 | else | |
38 | PARENT="-p $CURRENT_HEAD" | |
39 | git read-tree "$GIT_NOTES_REF" || die "Could not read index" | |
40 | git cat-file blob :$COMMIT >> "$MSG_FILE" 2> /dev/null | |
41 | fi | |
42 | ||
43 | core_editor="$(git config core.editor)" | |
44 | ${GIT_EDITOR:-${core_editor:-${VISUAL:-${EDITOR:-vi}}}} "$MSG_FILE" | |
45 | ||
46 | grep -v ^# < "$MSG_FILE" | git stripspace > "$MSG_FILE".processed | |
47 | mv "$MSG_FILE".processed "$MSG_FILE" | |
48 | if [ -s "$MSG_FILE" ]; then | |
49 | BLOB=$(git hash-object -w "$MSG_FILE") || | |
50 | die "Could not write into object database" | |
51 | git update-index --add --cacheinfo 0644 $BLOB $COMMIT || | |
52 | die "Could not write index" | |
53 | else | |
54 | test -z "$CURRENT_HEAD" && | |
55 | die "Will not initialise with empty tree" | |
56 | git update-index --force-remove $COMMIT || | |
57 | die "Could not update index" | |
58 | fi | |
59 | ||
60 | TREE=$(git write-tree) || die "Could not write tree" | |
61 | NEW_HEAD=$(echo Annotate $COMMIT | git commit-tree $TREE $PARENT) || | |
62 | die "Could not annotate" | |
63 | git update-ref -m "Annotate $COMMIT" \ | |
64 | "$GIT_NOTES_REF" $NEW_HEAD $CURRENT_HEAD | |
65 | ;; | |
66 | show) | |
67 | git rev-parse -q --verify "$GIT_NOTES_REF":$COMMIT > /dev/null || | |
68 | die "No note for commit $COMMIT." | |
69 | git show "$GIT_NOTES_REF":$COMMIT | |
70 | ;; | |
71 | *) | |
72 | usage | |
73 | esac |