Merge branch 'pw/prompt-cherry-pick-revert-fix'

diff --git a/parse-options-cb.c b/parse-options-cb.c
index 6e2e8d6273a2b3c35248a956f77a19925ded3e7d..1240a8514e040954cbc7f091e7053b5c76ac6627 100644 (file)
--- a/parse-options-cb.c
+++ b/parse-options-cb.c
@@ -16,6 +16,9 @@ int parse_opt_abbrev_cb(const struct option *opt, const char *arg, int unset)
        if (!arg) {
                v = unset ? 0 : DEFAULT_ABBREV;
        } else {
+               if (!*arg)
+                       return error(_("option `%s' expects a numerical value"),
+                                    opt->long_name);
                v = strtol(arg, (char **)&arg, 10);
                if (*arg)
                        return error(_("option `%s' expects a numerical value"),
@@ -96,6 +99,23 @@ int parse_opt_commits(const struct option *opt, const char *arg, int unset)
        return 0;
 }
 
+int parse_opt_commit(const struct option *opt, const char *arg, int unset)
+{
+       struct object_id oid;
+       struct commit *commit;
+       struct commit **target = opt->value;
+
+       if (!arg)
+               return -1;
+       if (get_oid(arg, &oid))
+               return error("malformed object name %s", arg);
+       commit = lookup_commit_reference(the_repository, &oid);
+       if (!commit)
+               return error("no such commit %s", arg);
+       *target = commit;
+       return 0;
+}
+
 int parse_opt_object_name(const struct option *opt, const char *arg, int unset)
 {
        struct object_id oid;
@@ -112,6 +132,23 @@ int parse_opt_object_name(const struct option *opt, const char *arg, int unset)
        return 0;
 }
 
+int parse_opt_object_id(const struct option *opt, const char *arg, int unset)
+{
+       struct object_id oid;
+       struct object_id *target = opt->value;
+
+       if (unset) {
+               *target = null_oid;
+               return 0;
+       }
+       if (!arg)
+               return -1;
+       if (get_oid(arg, &oid))
+               return error(_("malformed object name '%s'"), arg);
+       *target = oid;
+       return 0;
+}
+
 int parse_opt_tertiary(const struct option *opt, const char *arg, int unset)
 {
        int *target = opt->value;
@@ -122,6 +159,23 @@ int parse_opt_tertiary(const struct option *opt, const char *arg, int unset)
        return 0;
 }
 
+struct option *parse_options_dup(const struct option *o)
+{
+       struct option *opts;
+       int nr = 0;
+
+       while (o && o->type != OPTION_END) {
+               nr++;
+               o++;
+       }
+
+       ALLOC_ARRAY(opts, nr + 1);
+       memcpy(opts, o - nr, sizeof(*o) * nr);
+       memset(opts + nr, 0, sizeof(*opts));
+       opts[nr].type = OPTION_END;
+       return opts;
+}
+
 struct option *parse_options_concat(struct option *a, struct option *b)
 {
        struct option *ret;