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-rw-r--r--builtin/update-index.c23
1 files changed, 15 insertions, 8 deletions
diff --git a/builtin/update-index.c b/builtin/update-index.c
index aee3cb8cbd..97617c587e 100644
--- a/builtin/update-index.c
+++ b/builtin/update-index.c
@@ -856,7 +856,7 @@ static int chmod_callback(const struct option *opt,
return 0;
}
-static int resolve_undo_clear_callback(const struct option *opt,
+static int resolve_undo_clear_callback(const struct option *opt UNUSED,
const char *arg, int unset)
{
BUG_ON_OPT_NEG(unset);
@@ -890,7 +890,7 @@ static int parse_new_style_cacheinfo(const char *arg,
}
static enum parse_opt_result cacheinfo_callback(
- struct parse_opt_ctx_t *ctx, const struct option *opt,
+ struct parse_opt_ctx_t *ctx, const struct option *opt UNUSED,
const char *arg, int unset)
{
struct object_id oid;
@@ -1090,6 +1090,8 @@ int cmd_update_index(int argc, const char **argv, const char *prefix)
resolve_undo_clear_callback),
OPT_INTEGER(0, "index-version", &preferred_index_format,
N_("write index in this format")),
+ OPT_SET_INT(0, "show-index-version", &preferred_index_format,
+ N_("report on-disk index format version"), -1),
OPT_BOOL(0, "split-index", &split_index,
N_("enable or disable split index")),
OPT_BOOL(0, "untracked-cache", &untracked_cache,
@@ -1182,15 +1184,20 @@ int cmd_update_index(int argc, const char **argv, const char *prefix)
getline_fn = nul_term_line ? strbuf_getline_nul : strbuf_getline_lf;
if (preferred_index_format) {
- if (preferred_index_format < INDEX_FORMAT_LB ||
- INDEX_FORMAT_UB < preferred_index_format)
+ if (preferred_index_format < 0) {
+ printf(_("%d\n"), the_index.version);
+ } else if (preferred_index_format < INDEX_FORMAT_LB ||
+ INDEX_FORMAT_UB < preferred_index_format) {
die("index-version %d not in range: %d..%d",
preferred_index_format,
INDEX_FORMAT_LB, INDEX_FORMAT_UB);
-
- if (the_index.version != preferred_index_format)
- the_index.cache_changed |= SOMETHING_CHANGED;
- the_index.version = preferred_index_format;
+ } else {
+ if (the_index.version != preferred_index_format)
+ the_index.cache_changed |= SOMETHING_CHANGED;
+ report(_("index-version: was %d, set to %d"),
+ the_index.version, preferred_index_format);
+ the_index.version = preferred_index_format;
+ }
}
if (read_from_stdin) {