switch: implicit dwim, use --no-guess to disable it

diff --git a/builtin/commit-tree.c b/builtin/commit-tree.c
index 9ec36a82b63c0216cca11a709310e12174726e91..12cc403bd7eac3f3c195ce6533feee1865139bae 100644 (file)
--- a/builtin/commit-tree.c
+++ b/builtin/commit-tree.c
@@ -66,7 +66,13 @@ int cmd_commit_tree(int argc, const char **argv, const char *prefix)
                        continue;
                }
 
-               if (skip_prefix(arg, "-S", &sign_commit))
+               if (!strcmp(arg, "--gpg-sign")) {
+                   sign_commit = "";
+                   continue;
+               }
+
+               if (skip_prefix(arg, "-S", &sign_commit) ||
+                       skip_prefix(arg, "--gpg-sign=", &sign_commit))
                        continue;
 
                if (!strcmp(arg, "--no-gpg-sign")) {