builtin/fetch: factor submodule recurse parsing out to submodule config

diff --git a/git-filter-branch.sh b/git-filter-branch.sh
index 2b8cdba157d9cd822acc88b7ec58cecda0149b85..3a74602ef37712e16dc28567130ca8ee9e8fc579 100755 (executable)
--- a/git-filter-branch.sh
+++ b/git-filter-branch.sh
@@ -81,12 +81,13 @@ set_ident () {
        finish_ident COMMITTER
 }
 
-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="[--setup <command>] [--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
@@ -96,6 +97,7 @@ if [ "$(is_bare_repository)" = false ]; then
 fi
 
 tempdir=.git-rewrite
+filter_setup=
 filter_env=
 filter_tree=
 filter_index=
@@ -148,6 +150,9 @@ do
        -d)
                tempdir="$OPTARG"
                ;;
+       --setup)
+               filter_setup="$OPTARG"
+               ;;
        --env-filter)
                filter_env="$OPTARG"
                ;;
@@ -239,7 +244,7 @@ git rev-parse --no-flags --revs-only --symbolic-full-name \
 sed -e '/^^/d' "$tempdir"/raw-heads >"$tempdir"/heads
 
 test -s "$tempdir"/heads ||
-       die "Which ref do you want to rewrite?"
+       die "You must specify a ref to rewrite."
 
 GIT_INDEX_FILE="$(pwd)/../index"
 export GIT_INDEX_FILE
@@ -317,6 +322,9 @@ else
        need_index=
 fi
 
+eval "$filter_setup" < /dev/null ||
+       die "filter setup failed: $filter_setup"
+
 while read commit parents; do
        git_filter_branch__commit_count=$(($git_filter_branch__commit_count+1))