Implement support for the "blob:limit=" filter in git-cat-file(1), which
causes us to omit all blobs that are bigger than a certain size.
Signed-off-by: Patrick Steinhardt <ps@xxxxxx>
---
Documentation/git-cat-file.adoc | 5 +++++
builtin/cat-file.c | 11 ++++++++++-
t/t1006-cat-file.sh | 18 +++++++++++++++---
3 files changed, 30 insertions(+), 4 deletions(-)
diff --git a/Documentation/git-cat-file.adoc b/Documentation/git-cat-file.adoc
index bb32f715944..62bfb00f4b1 100644
--- a/Documentation/git-cat-file.adoc
+++ b/Documentation/git-cat-file.adoc
@@ -88,6 +88,11 @@ OPTIONS
one of the following:
+
The form '--filter=blob:none' omits all blobs.
++
+The form '--filter=blob:limit=<n>[kmg]' omits blobs of size at least n
+bytes or units. n may be zero. The suffixes k, m, and g can be used to name
+units in KiB, MiB, or GiB. For example, 'blob:limit=1k' is the same as
+'blob:limit=1024'.
--path=<path>::
For use with `--textconv` or `--filters`, to allow specifying an object
diff --git a/builtin/cat-file.c b/builtin/cat-file.c
index e783dbbad58..55755a461bc 100644
--- a/builtin/cat-file.c
+++ b/builtin/cat-file.c
@@ -473,8 +473,11 @@ static void batch_object_write(const char *obj_name,
int ret;
if (use_mailmap ||
- opt->objects_filter.choice == LOFC_BLOB_NONE)
+ opt->objects_filter.choice == LOFC_BLOB_NONE ||
+ opt->objects_filter.choice == LOFC_BLOB_LIMIT)
data->info.typep = &data->type;
+ if (opt->objects_filter.choice == LOFC_BLOB_LIMIT)
+ data->info.sizep = &data->size;
if (pack)
ret = packed_object_info(the_repository, pack, offset,
@@ -497,6 +500,11 @@ static void batch_object_write(const char *obj_name,
if (data->type == OBJ_BLOB)
return;
break;
+ case LOFC_BLOB_LIMIT:
+ if (data->type == OBJ_BLOB &&
+ data->size >= opt->objects_filter.blob_limit_value)
+ return;
+ break;
default:
BUG("unsupported objects filter");
}
@@ -1038,6 +1046,7 @@ int cmd_cat_file(int argc,
case LOFC_DISABLED:
break;
case LOFC_BLOB_NONE:
+ case LOFC_BLOB_LIMIT:
if (!batch.enabled)
usage(_("objects filter only supported in batch mode"));
break;
diff --git a/t/t1006-cat-file.sh b/t/t1006-cat-file.sh
index d00073f8add..1a0931bd2ca 100755
--- a/t/t1006-cat-file.sh
+++ b/t/t1006-cat-file.sh
@@ -1356,11 +1356,12 @@ test_expect_success PERL '--batch-command info is unbuffered by default' '
test_expect_success 'setup for objects filter' '
git init repo &&
(
- # Seed the repository with three different sets of objects:
+ # Seed the repository with four different sets of objects:
#
# - The first set is fully packed and has a bitmap.
# - The second set is packed, but has no bitmap.
# - The third set is loose.
+ # - The fourth set is loose and contains big objects.
#
# This ensures that we cover all these types as expected.
cd repo &&
@@ -1368,7 +1369,14 @@ test_expect_success 'setup for objects filter' '
git repack -Adb &&
test_commit second &&
git repack -d &&
- test_commit third
+ test_commit third &&
+
+ for n in 1000 10000
+ do
+ printf "%"$n"s" X >large.$n || return 1
+ done &&
+ git add large.* &&
+ git commit -m fourth
)
'
@@ -1380,7 +1388,7 @@ test_expect_success 'objects filter with unknown option' '
test_cmp expect err
'
-for option in blob:limit=1 object:type=tag sparse:oid=1234 tree:1 sparse:path=x
+for option in object:type=tag sparse:oid=1234 tree:1 sparse:path=x
do
test_expect_success "objects filter with unsupported option $option" '
case "$option" in
@@ -1413,5 +1421,9 @@ test_objects_filter () {
}
test_objects_filter "blob:none"
+test_objects_filter "blob:limit=1"
+test_objects_filter "blob:limit=500"
+test_objects_filter "blob:limit=1000"
+test_objects_filter "blob:limit=1g"
test_done
--
2.49.0.472.ge94155a9ec.dirty
