index-pack: clarify the breached limit
As a small courtesy to users, report what limit was breached. This is especially useful when a push exceeds a server-defined limit, since the user is unlikely to have configured the limit (their host did). Also demonstrate the human-readable message in a test. Helped-by: Taylor Blau <me@ttaylorr.com> Helped-by: Derrick Stolee <derrickstolee@github.com> Signed-off-by: Matt Cooper <vtbassmatt@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Matt Cooper committed
Feb 24, 2022 at 00:07 UTC
0cf5fbc2e4ee124b4dc583fac6f7ad697616a56a
2 files changed
+14
-2
builtin/index-pack.c
+6
-2
index 3c2e6aee3c..c45273de3b 100644
--- a/builtin/index-pack.c
+++ b/builtin/index-pack.c
@@ -323,8 +323,12 @@ static void use(int bytes)
if (signed_add_overflows(consumed_bytes, bytes))
die(_("pack too large for current definition of off_t"));
consumed_bytes += bytes;
- if (max_input_size && consumed_bytes > max_input_size)
- die(_("pack exceeds maximum allowed size"));
+ if (max_input_size && consumed_bytes > max_input_size) {
+ struct strbuf size_limit = STRBUF_INIT;
+ strbuf_humanise_bytes(&size_limit, max_input_size);
+ die(_("pack exceeds maximum allowed size (%s)"),
+ size_limit.buf);
+ }
}
static const char *open_pack_file(const char *pack_name)
t/t5302-pack-index.sh
+8
index 8ee67df38f..b0095ab41d 100755
--- a/t/t5302-pack-index.sh
+++ b/t/t5302-pack-index.sh
@@ -284,4 +284,12 @@ test_expect_success 'index-pack -v --stdin produces progress for both phases' '
test_i18ngrep "Resolving deltas" err
'
+test_expect_success 'too-large packs report the breach' '
+ pack=$(git pack-objects --all pack </dev/null) &&
+ sz="$(test_file_size pack-$pack.pack)" &&
+ test "$sz" -gt 20 &&
+ test_must_fail git index-pack --max-input-size=20 pack-$pack.pack 2>err &&
+ grep "maximum allowed size (20 bytes)" err
+'
+
test_done