Make "write_sha1_file()" exit early if the file already exists.

diff --git a/show-files.c b/show-files.c
index 0ecb2bd62106a0fdd617ee4c5ba5b50bcda8acd6..b1a8e3dd5556b61dd771d32307c6ee5d7150fa43 100644 (file)
--- a/show-files.c
+++ b/show-files.c
@@ -15,6 +15,7 @@ static int show_cached = 0;
 static int show_others = 0;
 static int show_ignored = 0;
 static int show_stage = 0;
+static int show_unmerged = 0;
 static int line_terminator = '\n';
 
 static const char **dir;
@@ -112,6 +113,8 @@ static void show_files(void)
        if (show_cached | show_stage) {
                for (i = 0; i < active_nr; i++) {
                        struct cache_entry *ce = active_cache[i];
+                       if (show_unmerged && !ce_stage(ce))
+                               continue;
                        if (!show_stage)
                                printf("%s%c", ce->name, line_terminator);
                        else
@@ -170,12 +173,18 @@ int main(int argc, char **argv)
                        show_stage = 1;
                        continue;
                }
+               if (!strcmp(arg, "--unmerged")) {
+                       // There's no point in showing unmerged unless you also show the stage information
+                       show_stage = 1;
+                       show_unmerged = 1;
+                       continue;
+               }
 
                usage("show-files [-z] (--[cached|deleted|others|ignored|stage])*");
        }
 
        /* With no flags, we default to showing the cached files */
-       if (!(show_stage | show_deleted | show_others | show_ignored))
+       if (!(show_stage | show_deleted | show_others | show_ignored | show_unmerged))
                show_cached = 1;
 
        read_cache();