Teach "-m <msg>" and "-F <file>" to "git notes edit"

diff --git a/git-filter-branch.sh b/git-filter-branch.sh
index 27b57b826a26d80551169b355a5e8fc1a35de994..a480d6fc70a4ca738c8ead14052afc3c1f5e8b02 100755 (executable)
--- a/git-filter-branch.sh
+++ b/git-filter-branch.sh
@@ -97,12 +97,12 @@ set_ident () {
        echo "case \"\$GIT_${uid}_NAME\" in \"\") GIT_${uid}_NAME=\"\${GIT_${uid}_EMAIL%%@*}\" && export GIT_${uid}_NAME;; esac"
 }
 
-USAGE="[--env-filter <command>] [--tree-filter <command>] \
-[--index-filter <command>] [--parent-filter <command>] \
-[--msg-filter <command>] [--commit-filter <command>] \
-[--tag-name-filter <command>] [--subdirectory-filter <directory>] \
-[--original <namespace>] [-d <directory>] [-f | --force] \
-[<rev-list options>...]"
+USAGE="[--env-filter <command>] [--tree-filter <command>]
+            [--index-filter <command>] [--parent-filter <command>]
+            [--msg-filter <command>] [--commit-filter <command>]
+            [--tag-name-filter <command>] [--subdirectory-filter <directory>]
+            [--original <namespace>] [-d <directory>] [-f | --force]
+            [<rev-list options>...]"
 
 OPTIONS_SPEC=
 . git-sh-setup
@@ -220,13 +220,21 @@ die ""
 # Remove tempdir on exit
 trap 'cd ../..; rm -rf "$tempdir"' 0
 
+ORIG_GIT_DIR="$GIT_DIR"
+ORIG_GIT_WORK_TREE="$GIT_WORK_TREE"
+ORIG_GIT_INDEX_FILE="$GIT_INDEX_FILE"
+GIT_WORK_TREE=.
+export GIT_DIR GIT_WORK_TREE
+
 # Make sure refs/original is empty
 git for-each-ref > "$tempdir"/backup-refs || exit
 while read sha1 type name
 do
        case "$force,$name" in
        ,$orig_namespace*)
-               die "Namespace $orig_namespace not empty"
+               die "Cannot create a new backup.
+A previous backup already exists in $orig_namespace
+Force overwriting the backup with -f"
        ;;
        t,$orig_namespace*)
                git update-ref -d "$name" $sha1
@@ -234,12 +242,6 @@ do
        esac
 done < "$tempdir"/backup-refs
 
-ORIG_GIT_DIR="$GIT_DIR"
-ORIG_GIT_WORK_TREE="$GIT_WORK_TREE"
-ORIG_GIT_INDEX_FILE="$GIT_INDEX_FILE"
-GIT_WORK_TREE=.
-export GIT_DIR GIT_WORK_TREE
-
 # The refs should be updated if their heads were rewritten
 git rev-parse --no-flags --revs-only --symbolic-full-name \
        --default HEAD "$@" > "$tempdir"/raw-heads || exit
@@ -270,10 +272,10 @@ test $commits -eq 0 && die "Found nothing to rewrite"
 
 # Rewrite the commits
 
-i=0
+git_filter_branch__commit_count=0
 while read commit parents; do
-       i=$(($i+1))
-       printf "\rRewrite $commit ($i/$commits)"
+       git_filter_branch__commit_count=$(($git_filter_branch__commit_count+1))
+       printf "\rRewrite $commit ($git_filter_branch__commit_count/$commits)"
 
        case "$filter_subdir" in
        "")
@@ -428,7 +430,7 @@ if [ "$filter_tag_name" ]; then
                if [ "$type" = "tag" ]; then
                        # Dereference to a commit
                        sha1t="$sha1"
-                       sha1="$(git rev-parse "$sha1"^{commit} 2>/dev/null)" || continue
+                       sha1="$(git rev-parse -q "$sha1"^{commit})" || continue
                fi
 
                [ -f "../map/$sha1" ] || continue