completion: For consistency, change "git rev-parse" to __gitdir calls

diff --git a/parse-options.c b/parse-options.c
index 9eb55cc8b5182495b687e133a938937db1bc3949..4c5d09dd25aede8ea7e14886f5c17ed847a8f0d9 100644 (file)
--- a/parse-options.c
+++ b/parse-options.c
@@ -1,6 +1,7 @@
 #include "git-compat-util.h"
 #include "parse-options.h"
 #include "cache.h"
+#include "commit.h"
 
 #define OPT_SHORT 1
 #define OPT_UNSET 2
@@ -506,6 +507,22 @@ int parse_opt_verbosity_cb(const struct option *opt, const char *arg,
        return 0;
 }
 
+int parse_opt_with_commit(const struct option *opt, const char *arg, int unset)
+{
+       unsigned char sha1[20];
+       struct commit *commit;
+
+       if (!arg)
+               return -1;
+       if (get_sha1(arg, sha1))
+               return error("malformed object name %s", arg);
+       commit = lookup_commit_reference(sha1);
+       if (!commit)
+               return error("no such commit %s", arg);
+       commit_list_insert(commit, opt->value);
+       return 0;
+}
+
 /*
  * This should really be OPTION_FILENAME type as a part of
  * parse_options that take prefix to do this while parsing.