builtin/reflog: introduce subcommand to list reflogs

[thirdparty/git.git] / builtin / reflog.c

diff --git a/builtin/reflog.c b/builtin/reflog.c
index 3a0c4d432232bdc8680fa78d22baf35ac187c5b1..63cd4d8b2913b9ed4d3fe7684de2b7cad433d1fe 100644 (file)
--- a/builtin/reflog.c
+++ b/builtin/reflog.c
@@ -7,11 +7,15 @@
 #include "wildmatch.h"
 #include "worktree.h"
 #include "reflog.h"
+#include "refs.h"
 #include "parse-options.h"
 
 #define BUILTIN_REFLOG_SHOW_USAGE \
        N_("git reflog [show] [<log-options>] [<ref>]")
 
+#define BUILTIN_REFLOG_LIST_USAGE \
+       N_("git reflog list")
+
 #define BUILTIN_REFLOG_EXPIRE_USAGE \
        N_("git reflog expire [--expire=<time>] [--expire-unreachable=<time>]\n" \
           "                  [--rewrite] [--updateref] [--stale-fix]\n" \
@@ -29,6 +33,11 @@ static const char *const reflog_show_usage[] = {
        NULL,
 };
 
+static const char *const reflog_list_usage[] = {
+       BUILTIN_REFLOG_LIST_USAGE,
+       NULL,
+};
+
 static const char *const reflog_expire_usage[] = {
        BUILTIN_REFLOG_EXPIRE_USAGE,
        NULL
@@ -46,6 +55,7 @@ static const char *const reflog_exists_usage[] = {
 
 static const char *const reflog_usage[] = {
        BUILTIN_REFLOG_SHOW_USAGE,
+       BUILTIN_REFLOG_LIST_USAGE,
        BUILTIN_REFLOG_EXPIRE_USAGE,
        BUILTIN_REFLOG_DELETE_USAGE,
        BUILTIN_REFLOG_EXISTS_USAGE,
@@ -238,6 +248,29 @@ static int cmd_reflog_show(int argc, const char **argv, const char *prefix)
        return cmd_log_reflog(argc, argv, prefix);
 }
 
+static int show_reflog(const char *refname, void *cb_data UNUSED)
+{
+       printf("%s\n", refname);
+       return 0;
+}
+
+static int cmd_reflog_list(int argc, const char **argv, const char *prefix)
+{
+       struct option options[] = {
+               OPT_END()
+       };
+       struct ref_store *ref_store;
+
+       argc = parse_options(argc, argv, prefix, options, reflog_list_usage, 0);
+       if (argc)
+               return error(_("%s does not accept arguments: '%s'"),
+                            "list", argv[0]);
+
+       ref_store = get_main_ref_store(the_repository);
+
+       return refs_for_each_reflog(ref_store, show_reflog, NULL);
+}
+
 static int cmd_reflog_expire(int argc, const char **argv, const char *prefix)
 {
        struct cmd_reflog_expire_cb cmd = { 0 };
@@ -417,6 +450,7 @@ int cmd_reflog(int argc, const char **argv, const char *prefix)
        parse_opt_subcommand_fn *fn = NULL;
        struct option options[] = {
                OPT_SUBCOMMAND("show", &fn, cmd_reflog_show),
+               OPT_SUBCOMMAND("list", &fn, cmd_reflog_list),
                OPT_SUBCOMMAND("expire", &fn, cmd_reflog_expire),
                OPT_SUBCOMMAND("delete", &fn, cmd_reflog_delete),
                OPT_SUBCOMMAND("exists", &fn, cmd_reflog_exists),