When git-merge updates HEAD as a result of a merge record what
happened during the merge into the reflog associated with HEAD
(if any). The log reports who caused the update (git-merge or
git-pull, by invoking git-merge), what the remote ref names were
and the type of merge process used.
The merge information can be useful when reviewing a reflog for
a branch such as `master` where fast forward and trivial in index
merges might be common as the user tracks an upstream.
Signed-off-by: Shawn O. Pearce <spearce@xxxxxxxxxxx>
---
git-merge.sh | 17 ++++++++++++++---
git-pull.sh | 3 ++-
2 files changed, 16 insertions(+), 4 deletions(-)
diff --git a/git-merge.sh b/git-merge.sh
index 24e3b50..a9cfafb 100755
--- a/git-merge.sh
+++ b/git-merge.sh
@@ -58,7 +58,13 @@ squash_message () {
}
finish () {
- test '' = "$2" || echo "$2"
+ if test '' = "$2"
+ then
+ rlogm="$rloga"
+ else
+ echo "$2"
+ rlogm="$rloga: $2"
+ fi
case "$squash" in
t)
echo "Squash commit -- not updating HEAD"
@@ -70,7 +76,7 @@ finish () {
echo "No merge message -- not updating HEAD"
;;
*)
- git-update-ref HEAD "$1" "$head" || exit 1
+ git-update-ref -m "$rlogm" HEAD "$1" "$head" || exit 1
;;
esac
;;
@@ -88,6 +94,7 @@ finish () {
esac
}
+rloga=
while case "$#" in 0) break ;; esac
do
case "$1" in
@@ -117,6 +124,9 @@ do
die "available strategies are: $all_strategies" ;;
esac
;;
+ --reflog-action=*)
+ rloga=`expr "z$1" : 'z-[^=]*=\(.*\)'`
+ ;;
-*) usage ;;
*) break ;;
esac
@@ -131,6 +141,7 @@ shift
# All the rest are remote heads
test "$#" = 0 && usage ;# we need at least one remote head.
+test "$rloga" = '' && rloga="merge: $@"
remoteheads=
for remote
@@ -316,7 +327,7 @@ if test '' != "$result_tree"
then
parents=$(git-show-branch --independent "$head" "$@" | sed -e 's/^/-p /')
result_commit=$(echo "$merge_msg" | git-commit-tree $result_tree $parents) || exit
- finish "$result_commit" "Merge $result_commit, made by $wt_strategy."
+ finish "$result_commit" "Merge made by $wt_strategy."
dropsave
exit 0
fi
diff --git a/git-pull.sh b/git-pull.sh
index d337bf4..f380437 100755
--- a/git-pull.sh
+++ b/git-pull.sh
@@ -102,5 +102,6 @@ case "$strategy_args" in
esac
merge_name=$(git-fmt-merge-msg <"$GIT_DIR/FETCH_HEAD") || exit
-git-merge $no_summary $no_commit $squash $strategy_args \
+git-merge "--reflog-action=pull $*" \
+ $no_summary $no_commit $squash $strategy_args \
"$merge_name" HEAD $merge_head
--
1.4.1.gc48f
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