This change removes the config entries in .gitmodules and adds it.
---
 git-submodule.sh | 62 +++++++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 61 insertions(+), 1 deletion(-)

diff --git a/git-submodule.sh b/git-submodule.sh
index ab6b110..29d950f 100755
--- a/git-submodule.sh
+++ b/git-submodule.sh
@@ -6,6 +6,7 @@
 
 dashless=$(basename "$0" | sed -e 's/-/ /')
 USAGE="[--quiet] add [-b branch] [-f|--force] [--reference <repository>] [--] 
<repository> [<path>]
+   or: $dashless [--quiet] rm [-b branch] [-f|--force] [--] [<path>]
    or: $dashless [--quiet] status [--cached] [--recursive] [--] [<path>...]
    or: $dashless [--quiet] init [--] [<path>...]
    or: $dashless [--quiet] update [--init] [-N|--no-fetch] [-f|--force] 
[--rebase] [--reference <repository>] [--merge] [--recursive] [--] [<path>...]
@@ -370,6 +371,65 @@ Use -f if you really want to add it." >&2
        die "$(eval_gettext "Failed to register submodule '\$sm_path'")"
 }
 
+cmd_rm()
+{
+       # parse $args after "submodule ... rm".
+       while test $# -ne 0
+       do
+               case "$1" in
+               -b | --branch)
+                       case "$2" in '') usage ;; esac
+                       branch=$2
+                       shift
+                       ;;
+               -f | --force)
+                       force=$1
+                       ;;
+               -q|--quiet)
+                       GIT_QUIET=1
+                       ;;
+               --)
+                       shift
+                       break
+                       ;;
+               -*)
+                       usage
+                       ;;
+               *)
+                       break
+                       ;;
+               esac
+               shift
+       done
+       
+       sm_path=$1
+
+       # normalize path:
+       # multiple //; leading ./; /./; /../; trailing /
+       sm_path=$(printf '%s/\n' "$sm_path" |
+               sed -e '
+                       s|//*|/|g
+                       s|^\(\./\)*||
+                       s|/\./|/|g
+                       :start
+                       s|\([^/]*\)/\.\./||
+                       tstart
+                       s|/*$||
+               ')
+
+
+       #edit .gitmodules
+       git config -f .gitmodules --remove-section submodule."$sm_path" ||
+       die "$(eval_gettext "Failed to rm submodule '\$sm_path' section")"
+
+       #get rid of the submodule
+       git rm --cached $force "$sm_path" ||
+       die "$(eval_gettext "Failed to rm submodule '\$sm_path'")"
+       
+       #now add the .gitmodules change
+       git add ${force} .gitmodules ||
+       die "$(eval_gettext "Failed to remove submodule '\$sm_path'")"
+}
 #
 # Execute an arbitrary command sequence in each checked out
 # submodule
@@ -1076,7 +1136,7 @@ cmd_sync()
 while test $# != 0 && test -z "$command"
 do
        case "$1" in
-       add | foreach | init | update | status | summary | sync)
+       add | rm | foreach | init | update | status | summary | sync)
                command=$1
                ;;
        -q|--quiet)
-- 
1.8.0.1.g3039071.dirty

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