[PATCH] checkout-cache: add usage string.

[Junio C Hamano]

This adds the usage string to checkout-cache and you can say
"--help" to get it.

Signed-off-by: Junio C Hamano <[EMAIL PROTECTED]>
---

 checkout-cache.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

0d87d25f9a8ecf6ee8c4bc0c1575f3c03614c339
diff --git a/checkout-cache.c b/checkout-cache.c
--- a/checkout-cache.c
+++ b/checkout-cache.c
@@ -75,6 +75,9 @@ static int checkout_all(void)
        return 0;
 }
 
+static const char *checkout_cache_usage =
+"git-checkout-cache [-u] [-q] [-a] [-f] [-n] [--prefix=<string>] [--] 
<file>...";
+
 int main(int argc, char **argv)
 {
        int i, force_filename = 0;
@@ -123,6 +126,8 @@ int main(int argc, char **argv)
                                state.base_dir_len = strlen(state.base_dir);
                                continue;
                        }
+                       if (arg[0] == '-')
+                               usage(checkout_cache_usage);
                }
                if (state.base_dir_len) {
                        /* when --prefix is specified we do not

-
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