summaryrefslogtreecommitdiff
path: root/parse-options-cb.c
diff options
context:
space:
mode:
Diffstat (limited to 'parse-options-cb.c')
-rw-r--r--parse-options-cb.c88
1 files changed, 87 insertions, 1 deletions
diff --git a/parse-options-cb.c b/parse-options-cb.c
index be8c413cfe..239898d946 100644
--- a/parse-options-cb.c
+++ b/parse-options-cb.c
@@ -4,6 +4,8 @@
#include "commit.h"
#include "color.h"
#include "string-list.h"
+#include "argv-array.h"
+#include "sha1-array.h"
/*----- some often used options -----*/
@@ -76,7 +78,7 @@ 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)
+int parse_opt_commits(const struct option *opt, const char *arg, int unset)
{
unsigned char sha1[20];
struct commit *commit;
@@ -92,6 +94,22 @@ int parse_opt_with_commit(const struct option *opt, const char *arg, int unset)
return 0;
}
+int parse_opt_object_name(const struct option *opt, const char *arg, int unset)
+{
+ unsigned char sha1[20];
+
+ if (unset) {
+ sha1_array_clear(opt->value);
+ return 0;
+ }
+ if (!arg)
+ return -1;
+ if (get_sha1(arg, sha1))
+ return error(_("malformed object name '%s'"), arg);
+ sha1_array_append(opt->value, sha1);
+ return 0;
+}
+
int parse_opt_tertiary(const struct option *opt, const char *arg, int unset)
{
int *target = opt->value;
@@ -134,3 +152,71 @@ int parse_opt_noop_cb(const struct option *opt, const char *arg, int unset)
{
return 0;
}
+
+/**
+ * Recreates the command-line option in the strbuf.
+ */
+static int recreate_opt(struct strbuf *sb, const struct option *opt,
+ const char *arg, int unset)
+{
+ strbuf_reset(sb);
+
+ if (opt->long_name) {
+ strbuf_addstr(sb, unset ? "--no-" : "--");
+ strbuf_addstr(sb, opt->long_name);
+ if (arg) {
+ strbuf_addch(sb, '=');
+ strbuf_addstr(sb, arg);
+ }
+ } else if (opt->short_name && !unset) {
+ strbuf_addch(sb, '-');
+ strbuf_addch(sb, opt->short_name);
+ if (arg)
+ strbuf_addstr(sb, arg);
+ } else
+ return -1;
+
+ return 0;
+}
+
+/**
+ * For an option opt, recreates the command-line option in opt->value which
+ * must be an char* initialized to NULL. This is useful when we need to pass
+ * the command-line option to another command. Since any previous value will be
+ * overwritten, this callback should only be used for options where the last
+ * one wins.
+ */
+int parse_opt_passthru(const struct option *opt, const char *arg, int unset)
+{
+ static struct strbuf sb = STRBUF_INIT;
+ char **opt_value = opt->value;
+
+ if (recreate_opt(&sb, opt, arg, unset) < 0)
+ return -1;
+
+ if (*opt_value)
+ free(*opt_value);
+
+ *opt_value = strbuf_detach(&sb, NULL);
+
+ return 0;
+}
+
+/**
+ * For an option opt, recreate the command-line option, appending it to
+ * opt->value which must be a argv_array. This is useful when we need to pass
+ * the command-line option, which can be specified multiple times, to another
+ * command.
+ */
+int parse_opt_passthru_argv(const struct option *opt, const char *arg, int unset)
+{
+ static struct strbuf sb = STRBUF_INIT;
+ struct argv_array *opt_value = opt->value;
+
+ if (recreate_opt(&sb, opt, arg, unset) < 0)
+ return -1;
+
+ argv_array_push(opt_value, sb.buf);
+
+ return 0;
+}