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Commit | Line | Data |
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65d9fb48 JS |
1 | #!/bin/sh |
2 | ||
d9246d43 | 3 | USAGE="(edit [-F <file> | -m <msg>] | show) [commit]" |
65d9fb48 JS |
4 | . git-sh-setup |
5 | ||
65d9fb48 JS |
6 | test -z "$1" && usage |
7 | ACTION="$1"; shift | |
8 | ||
9 | test -z "$GIT_NOTES_REF" && GIT_NOTES_REF="$(git config core.notesref)" | |
10 | test -z "$GIT_NOTES_REF" && GIT_NOTES_REF="refs/notes/commits" | |
11 | ||
d9246d43 JH |
12 | MESSAGE= |
13 | while test $# != 0 | |
14 | do | |
15 | case "$1" in | |
16 | -m) | |
17 | test "$ACTION" = "edit" || usage | |
18 | shift | |
19 | if test "$#" = "0"; then | |
20 | die "error: option -m needs an argument" | |
21 | else | |
22 | if [ -z "$MESSAGE" ]; then | |
23 | MESSAGE="$1" | |
24 | else | |
25 | MESSAGE="$MESSAGE | |
26 | ||
27 | $1" | |
28 | fi | |
29 | shift | |
30 | fi | |
31 | ;; | |
32 | -F) | |
33 | test "$ACTION" = "edit" || usage | |
34 | shift | |
35 | if test "$#" = "0"; then | |
36 | die "error: option -F needs an argument" | |
37 | else | |
38 | if [ -z "$MESSAGE" ]; then | |
39 | MESSAGE="$(cat "$1")" | |
40 | else | |
41 | MESSAGE="$MESSAGE | |
42 | ||
43 | $(cat "$1")" | |
44 | fi | |
45 | shift | |
46 | fi | |
47 | ;; | |
48 | -*) | |
49 | usage | |
50 | ;; | |
51 | *) | |
52 | break | |
53 | ;; | |
54 | esac | |
55 | done | |
56 | ||
65d9fb48 JS |
57 | COMMIT=$(git rev-parse --verify --default HEAD "$@") || |
58 | die "Invalid commit: $@" | |
59 | ||
60 | case "$ACTION" in | |
61 | edit) | |
62 | if [ "${GIT_NOTES_REF#refs/notes/}" = "$GIT_NOTES_REF" ]; then | |
63 | die "Refusing to edit notes in $GIT_NOTES_REF (outside of refs/notes/)" | |
64 | fi | |
65 | ||
66 | MSG_FILE="$GIT_DIR/new-notes-$COMMIT" | |
67 | GIT_INDEX_FILE="$MSG_FILE.idx" | |
68 | export GIT_INDEX_FILE | |
69 | ||
70 | trap ' | |
71 | test -f "$MSG_FILE" && rm "$MSG_FILE" | |
72 | test -f "$GIT_INDEX_FILE" && rm "$GIT_INDEX_FILE" | |
73 | ' 0 | |
74 | ||
65d9fb48 JS |
75 | CURRENT_HEAD=$(git show-ref "$GIT_NOTES_REF" | cut -f 1 -d ' ') |
76 | if [ -z "$CURRENT_HEAD" ]; then | |
77 | PARENT= | |
78 | else | |
79 | PARENT="-p $CURRENT_HEAD" | |
80 | git read-tree "$GIT_NOTES_REF" || die "Could not read index" | |
65d9fb48 JS |
81 | fi |
82 | ||
d9246d43 JH |
83 | if [ -z "$MESSAGE" ]; then |
84 | GIT_NOTES_REF= git log -1 $COMMIT | sed "s/^/#/" > "$MSG_FILE" | |
85 | if [ ! -z "$CURRENT_HEAD" ]; then | |
86 | git cat-file blob :$COMMIT >> "$MSG_FILE" 2> /dev/null | |
87 | fi | |
88 | core_editor="$(git config core.editor)" | |
89 | ${GIT_EDITOR:-${core_editor:-${VISUAL:-${EDITOR:-vi}}}} "$MSG_FILE" | |
90 | else | |
91 | echo "$MESSAGE" > "$MSG_FILE" | |
92 | fi | |
65d9fb48 JS |
93 | |
94 | grep -v ^# < "$MSG_FILE" | git stripspace > "$MSG_FILE".processed | |
95 | mv "$MSG_FILE".processed "$MSG_FILE" | |
96 | if [ -s "$MSG_FILE" ]; then | |
97 | BLOB=$(git hash-object -w "$MSG_FILE") || | |
98 | die "Could not write into object database" | |
99 | git update-index --add --cacheinfo 0644 $BLOB $COMMIT || | |
100 | die "Could not write index" | |
101 | else | |
102 | test -z "$CURRENT_HEAD" && | |
103 | die "Will not initialise with empty tree" | |
104 | git update-index --force-remove $COMMIT || | |
105 | die "Could not update index" | |
106 | fi | |
107 | ||
108 | TREE=$(git write-tree) || die "Could not write tree" | |
109 | NEW_HEAD=$(echo Annotate $COMMIT | git commit-tree $TREE $PARENT) || | |
110 | die "Could not annotate" | |
111 | git update-ref -m "Annotate $COMMIT" \ | |
112 | "$GIT_NOTES_REF" $NEW_HEAD $CURRENT_HEAD | |
113 | ;; | |
114 | show) | |
115 | git rev-parse -q --verify "$GIT_NOTES_REF":$COMMIT > /dev/null || | |
116 | die "No note for commit $COMMIT." | |
117 | git show "$GIT_NOTES_REF":$COMMIT | |
118 | ;; | |
119 | *) | |
120 | usage | |
121 | esac |