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authorJunio C Hamano <gitster@pobox.com>2009-11-21 07:53:55 (GMT)
committerJunio C Hamano <gitster@pobox.com>2009-11-21 07:53:55 (GMT)
commit885d492f69a80ae3e91c1310a63caf0aeb567f2a (patch)
tree3240d00b6c56d2ea55daad2d18103e7b4d3cf89f /git-notes.sh
parent905bf7742cf5f4a6dea2e75ba2dbd89d5dfaa793 (diff)
parenta099469bbcf273e76d81573229971956b4ef0700 (diff)
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Merge branch 'jh/notes' (early part)
* 'jh/notes' (early part): Add selftests verifying concatenation of multiple notes for the same commit Refactor notes code to concatenate multiple notes annotating the same object Add selftests verifying that we can parse notes trees with various fanouts Teach the notes lookup code to parse notes trees with various fanout schemes Teach notes code to free its internal data structures on request Add '%N'-format for pretty-printing commit notes Add flags to get_commit_notes() to control the format of the note string t3302-notes-index-expensive: Speed up create_repo() fast-import: Add support for importing commit notes Teach "-m <msg>" and "-F <file>" to "git notes edit" Add an expensive test for git-notes Speed up git notes lookup Add a script to edit/inspect notes Introduce commit notes Conflicts: .gitignore Documentation/pretty-formats.txt pretty.c
Diffstat (limited to 'git-notes.sh')
-rwxr-xr-xgit-notes.sh121
1 files changed, 121 insertions, 0 deletions
diff --git a/git-notes.sh b/git-notes.sh
new file mode 100755
index 0000000..e642e47
--- /dev/null
+++ b/git-notes.sh
@@ -0,0 +1,121 @@
+#!/bin/sh
+
+USAGE="(edit [-F <file> | -m <msg>] | show) [commit]"
+. git-sh-setup
+
+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"
+
+MESSAGE=
+while test $# != 0
+do
+ case "$1" in
+ -m)
+ test "$ACTION" = "edit" || usage
+ shift
+ if test "$#" = "0"; then
+ die "error: option -m needs an argument"
+ else
+ if [ -z "$MESSAGE" ]; then
+ MESSAGE="$1"
+ else
+ MESSAGE="$MESSAGE
+
+$1"
+ fi
+ shift
+ fi
+ ;;
+ -F)
+ test "$ACTION" = "edit" || usage
+ shift
+ if test "$#" = "0"; then
+ die "error: option -F needs an argument"
+ else
+ if [ -z "$MESSAGE" ]; then
+ MESSAGE="$(cat "$1")"
+ else
+ MESSAGE="$MESSAGE
+
+$(cat "$1")"
+ fi
+ shift
+ fi
+ ;;
+ -*)
+ usage
+ ;;
+ *)
+ break
+ ;;
+ esac
+done
+
+COMMIT=$(git rev-parse --verify --default HEAD "$@") ||
+die "Invalid commit: $@"
+
+case "$ACTION" in
+edit)
+ if [ "${GIT_NOTES_REF#refs/notes/}" = "$GIT_NOTES_REF" ]; then
+ die "Refusing to edit notes in $GIT_NOTES_REF (outside of refs/notes/)"
+ fi
+
+ MSG_FILE="$GIT_DIR/new-notes-$COMMIT"
+ GIT_INDEX_FILE="$MSG_FILE.idx"
+ export GIT_INDEX_FILE
+
+ trap '
+ test -f "$MSG_FILE" && rm "$MSG_FILE"
+ test -f "$GIT_INDEX_FILE" && rm "$GIT_INDEX_FILE"
+ ' 0
+
+ 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"
+ fi
+
+ if [ -z "$MESSAGE" ]; then
+ GIT_NOTES_REF= git log -1 $COMMIT | sed "s/^/#/" > "$MSG_FILE"
+ if [ ! -z "$CURRENT_HEAD" ]; then
+ git cat-file blob :$COMMIT >> "$MSG_FILE" 2> /dev/null
+ fi
+ core_editor="$(git config core.editor)"
+ ${GIT_EDITOR:-${core_editor:-${VISUAL:-${EDITOR:-vi}}}} "$MSG_FILE"
+ else
+ echo "$MESSAGE" > "$MSG_FILE"
+ fi
+
+ grep -v ^# < "$MSG_FILE" | git stripspace > "$MSG_FILE".processed
+ mv "$MSG_FILE".processed "$MSG_FILE"
+ if [ -s "$MSG_FILE" ]; then
+ BLOB=$(git hash-object -w "$MSG_FILE") ||
+ 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 $CURRENT_HEAD
+;;
+show)
+ git rev-parse -q --verify "$GIT_NOTES_REF":$COMMIT > /dev/null ||
+ die "No note for commit $COMMIT."
+ git show "$GIT_NOTES_REF":$COMMIT
+;;
+*)
+ usage
+esac