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-rw-r--r--parse-options.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/parse-options.c b/parse-options.c
index 9eb55cc..4c5d09d 100644
--- 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.