[PATCH 1/2] Automatically create unannotated tags for top, bottom, and base of the stack
On every push or pop operation (refresh is a pop followed by a push), update the stack top (${branch}_top), stack bottom (${branch}_bottom), and stack base (${branch}_base) tags.
Top: Topmost applied patch/commit Bottom: Bottommost applied patch/commit Base: Commit on top of which the bottom most patch is applied
Having these three tags, one can easily get the log/diff/other information only for commits that are (or are not!) part of the patch stack.
Signed-off-by: Josef 'Jeff' Sipek <jsipek@cs.sunysb.edu>
---
guilt | 34 ++++++++++++++++++++++++++++++++--
1 files changed, 32 insertions(+), 2 deletions(-)
diff --git a/guilt b/guilt
index 43e7842..3dbe4b6 100755
--- a/guilt
+++ b/guilt
@@ -277,6 +277,33 @@ function pop_many_patches
mv "$applied.tmp" "$applied"
cd - 2>&1 >/dev/null
+
+ # update references to top, bottom, and base
+ update_stack_tags
+}
+
+# usage: update_stack_tags
+function update_stack_tags
+{
+ if [ `wc -l < $applied` -gt 0 ]; then
+ # there are patches applied, therefore we must get the top,
+ # bottom and base hashes, and update the tags
+
+ local top_hash=`git-rev-parse HEAD`
+ local bottom_hash=`head -1 < $applied | cut -d: -f1`
+ local base_hash=`git-rev-parse $bottom_hash^`
+
+ echo $top_hash > "$GIT_DIR/refs/tags/${branch}_top"
+ echo $bottom_hash > "$GIT_DIR/refs/tags/${branch}_bottom"
+ echo $base_hash > "$GIT_DIR/refs/tags/${branch}_base"
+ else
+ # there are no patches applied, therefore we must remove the
+ # tags to old top, bottom, and base
+
+ rm -f "$GIT_DIR/refs/tags/${branch}_top"
+ rm -f "$GIT_DIR/refs/tags/${branch}_bottom"
+ rm -f "$GIT_DIR/refs/tags/${branch}_base"
+ fi
}
# usage: push_patch patchname [bail_action]
@@ -349,6 +376,11 @@ function push_patch
# mark patch as applied
echo "$commitish:$pname" >> $applied
+ cd - 2>&1 >/dev/null
+
+ # update references to top, bottom, and base of the stack
+ update_stack_tags
+
# restore original GIT_AUTHOR_{NAME,EMAIL}
if [ ! -z "$author_str" ]; then
if [ ! -z "$backup_author_name" ]; then
@@ -376,8 +408,6 @@ function push_patch
rm -f /tmp/guilt.msg.$$ /tmp/guilt.log.$$
- cd - 2>&1 >/dev/null
-
return $bail
}
--
1.5.0.3.268.g3dda