summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--Documentation/git-update-index.txt6
-rw-r--r--builtin/update-index.c14
2 files changed, 19 insertions, 1 deletions
diff --git a/Documentation/git-update-index.txt b/Documentation/git-update-index.txt
index a3081f4..9d0b151 100644
--- a/Documentation/git-update-index.txt
+++ b/Documentation/git-update-index.txt
@@ -19,7 +19,7 @@ SYNOPSIS
[--ignore-submodules]
[--really-refresh] [--unresolve] [--again | -g]
[--info-only] [--index-info]
- [-z] [--stdin]
+ [-z] [--stdin] [--index-version <n>]
[--verbose]
[--] [<file>...]
@@ -143,6 +143,10 @@ you will need to handle the situation manually.
--verbose::
Report what is being added and removed from index.
+--index-version <n>::
+ Write the resulting index out in the named on-disk format version.
+ The current default version is 2.
+
-z::
Only meaningful with `--stdin` or `--index-info`; paths are
separated with NUL character instead of LF.
diff --git a/builtin/update-index.c b/builtin/update-index.c
index a6a23fa..5f038d6 100644
--- a/builtin/update-index.c
+++ b/builtin/update-index.c
@@ -708,6 +708,7 @@ int cmd_update_index(int argc, const char **argv, const char *prefix)
int newfd, entries, has_errors = 0, line_termination = '\n';
int read_from_stdin = 0;
int prefix_length = prefix ? strlen(prefix) : 0;
+ int preferred_index_format = 0;
char set_executable_bit = 0;
struct refresh_params refresh_args = {0, &has_errors};
int lock_error = 0;
@@ -791,6 +792,8 @@ int cmd_update_index(int argc, const char **argv, const char *prefix)
"(for porcelains) forget saved unresolved conflicts",
PARSE_OPT_NOARG | PARSE_OPT_NONEG,
resolve_undo_clear_callback},
+ OPT_INTEGER(0, "index-version", &preferred_index_format,
+ "write index in this format"),
OPT_END()
};
@@ -851,6 +854,17 @@ int cmd_update_index(int argc, const char **argv, const char *prefix)
}
}
argc = parse_options_end(&ctx);
+ if (preferred_index_format) {
+ 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)
+ active_cache_changed = 1;
+ the_index.version = preferred_index_format;
+ }
if (read_from_stdin) {
struct strbuf buf = STRBUF_INIT, nbuf = STRBUF_INIT;