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-rwxr-xr-xcontrib/rerere-train.sh54
1 files changed, 52 insertions, 2 deletions
diff --git a/contrib/rerere-train.sh b/contrib/rerere-train.sh
index 52ad9e41fb..eeee45dd34 100755
--- a/contrib/rerere-train.sh
+++ b/contrib/rerere-train.sh
@@ -3,10 +3,56 @@
# Prime rerere database from existing merge commits
me=rerere-train
-USAGE="$me rev-list-args"
+USAGE=$(cat <<-EOF
+usage: $me [--overwrite] <rev-list-args>
+
+ -h, --help show the help
+ -o, --overwrite overwrite any existing rerere cache
+EOF
+)
SUBDIRECTORY_OK=Yes
-OPTIONS_SPEC=
+
+overwrite=0
+
+while test $# -gt 0
+do
+ opt="$1"
+ case "$opt" in
+ -h|--help)
+ echo "$USAGE"
+ exit 0
+ ;;
+ -o|--overwrite)
+ overwrite=1
+ shift
+ break
+ ;;
+ --)
+ shift
+ break
+ ;;
+ *)
+ break
+ ;;
+ esac
+done
+
+# Overwrite or help options are not valid except as first arg
+for opt in "$@"
+do
+ case "$opt" in
+ -h|--help)
+ echo "$USAGE"
+ exit 0
+ ;;
+ -o|--overwrite)
+ echo "$USAGE"
+ exit 0
+ ;;
+ esac
+done
+
. "$(git --exec-path)/git-sh-setup"
require_work_tree
cd_to_toplevel
@@ -34,6 +80,10 @@ do
# Cleanly merges
continue
fi
+ if test $overwrite = 1
+ then
+ git rerere forget .
+ fi
if test -s "$GIT_DIR/MERGE_RR"
then
git show -s --pretty=format:"Learning from %h %s" "$commit"