clone: do not accept more than one -o option.

Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/git-clone.sh b/git-clone.sh
index 73fc919..47f3ec9 100755 (executable)
--- a/git-clone.sh
+++ b/git-clone.sh
@@ -55,6 +55,7 @@ no_checkout=
 upload_pack=
 bare=
 origin=origin
+origin_override=
 while
        case "$#,$1" in
        0,*) break ;;
@@ -73,6 +74,11 @@ while
                    echo >&2 "'$2' is not suitable for a branch name"
                    exit 1
                }
+               test -z "$origin_override" || {
+                   echo >&2 "Do not give more than one -o options."
+                   exit 1
+               }
+               origin_override=yes
                origin="$2"; shift
                ;;
        1,-u|1,--upload-pack) usage ;;
@@ -87,7 +93,15 @@ do
 done
 
 # --bare implies --no-checkout
-test =z "$bare" || no_checkout=yes
+if test yes = "$bare"
+then
+       if test yes = "$origin_override"
+       then
+               echo >&2 '--bare and -o $origin options are incompatible.'
+               exit 1
+       fi
+       no_checkout=yes
+fi
 
 # Turn the source into an absolute path if
 # it is local