diff options
| -rw-r--r-- | Documentation/git-for-each-ref.txt | 21 | ||||
| -rw-r--r-- | ref-filter.c | 35 | ||||
| -rwxr-xr-x | t/t6300-for-each-ref.sh | 6 |
3 files changed, 56 insertions, 6 deletions
diff --git a/Documentation/git-for-each-ref.txt b/Documentation/git-for-each-ref.txt index 901faef1bf..774cecc7ed 100644 --- a/Documentation/git-for-each-ref.txt +++ b/Documentation/git-for-each-ref.txt @@ -128,13 +128,18 @@ objecttype:: objectsize:: The size of the object (the same as 'git cat-file -s' reports). - + Append `:disk` to get the size, in bytes, that the object takes up on + disk. See the note about on-disk sizes in the `CAVEATS` section below. objectname:: The object name (aka SHA-1). For a non-ambiguous abbreviation of the object name append `:short`. For an abbreviation of the object name with desired length append `:short=<length>`, where the minimum length is MINIMUM_ABBREV. The length may be exceeded to ensure unique object names. +deltabase:: + This expands to the object name of the delta base for the + given object, if it is stored as a delta. Otherwise it + expands to the null object name (all zeroes). upstream:: The name of a local ref which can be considered ``upstream'' @@ -361,6 +366,20 @@ This prints the authorname, if present. git for-each-ref --format="%(refname)%(if)%(authorname)%(then) Authored by: %(authorname)%(end)" ------------ +CAVEATS +------- + +Note that the sizes of objects on disk are reported accurately, but care +should be taken in drawing conclusions about which refs or objects are +responsible for disk usage. The size of a packed non-delta object may be +much larger than the size of objects which delta against it, but the +choice of which object is the base and which is the delta is arbitrary +and is subject to change during a repack. + +Note also that multiple copies of an object may be present in the object +database; in this case, it is undefined which copy's size or delta base +will be reported. + SEE ALSO -------- linkgit:git-show-ref[1] diff --git a/ref-filter.c b/ref-filter.c index 61d75d5c86..422a9c9ae3 100644 --- a/ref-filter.c +++ b/ref-filter.c @@ -231,12 +231,30 @@ static int objecttype_atom_parser(const struct ref_format *format, struct used_a static int objectsize_atom_parser(const struct ref_format *format, struct used_atom *atom, const char *arg, struct strbuf *err) { + if (!arg) { + if (*atom->name == '*') + oi_deref.info.sizep = &oi_deref.size; + else + oi.info.sizep = &oi.size; + } else if (!strcmp(arg, "disk")) { + if (*atom->name == '*') + oi_deref.info.disk_sizep = &oi_deref.disk_size; + else + oi.info.disk_sizep = &oi.disk_size; + } else + return strbuf_addf_ret(err, -1, _("unrecognized %%(objectsize) argument: %s"), arg); + return 0; +} + +static int deltabase_atom_parser(const struct ref_format *format, struct used_atom *atom, + const char *arg, struct strbuf *err) +{ if (arg) - return strbuf_addf_ret(err, -1, _("%%(objectsize) does not take arguments")); + return strbuf_addf_ret(err, -1, _("%%(deltabase) does not take arguments")); if (*atom->name == '*') - oi_deref.info.sizep = &oi_deref.size; + oi_deref.info.delta_base_sha1 = oi_deref.delta_base_oid.hash; else - oi.info.sizep = &oi.size; + oi.info.delta_base_sha1 = oi.delta_base_oid.hash; return 0; } @@ -431,6 +449,7 @@ static struct { { "objecttype", SOURCE_OTHER, FIELD_STR, objecttype_atom_parser }, { "objectsize", SOURCE_OTHER, FIELD_ULONG, objectsize_atom_parser }, { "objectname", SOURCE_OTHER, FIELD_STR, objectname_atom_parser }, + { "deltabase", SOURCE_OTHER, FIELD_STR, deltabase_atom_parser }, { "tree", SOURCE_OBJ }, { "parent", SOURCE_OBJ }, { "numparent", SOURCE_OBJ, FIELD_ULONG }, @@ -880,10 +899,14 @@ static void grab_common_values(struct atom_value *val, int deref, struct expand_ name++; if (!strcmp(name, "objecttype")) v->s = xstrdup(type_name(oi->type)); - else if (!strcmp(name, "objectsize")) { + else if (!strcmp(name, "objectsize:disk")) { + v->value = oi->disk_size; + v->s = xstrfmt("%"PRIuMAX, (uintmax_t)oi->disk_size); + } else if (!strcmp(name, "objectsize")) { v->value = oi->size; v->s = xstrfmt("%"PRIuMAX , (uintmax_t)oi->size); - } + } else if (!strcmp(name, "deltabase")) + v->s = xstrdup(oid_to_hex(&oi->delta_base_oid)); else if (deref) grab_objectname(name, &oi->oid, v, &used_atom[i]); } @@ -1482,6 +1505,8 @@ static int get_object(struct ref_array_item *ref, int deref, struct object **obj OBJECT_INFO_LOOKUP_REPLACE)) return strbuf_addf_ret(err, -1, _("missing object %s for %s"), oid_to_hex(&oi->oid), ref->refname); + if (oi->info.disk_sizep && oi->disk_size < 0) + BUG("Object size is less than zero."); if (oi->info.contentp) { *obj = parse_object_buffer(the_repository, &oi->oid, oi->type, oi->size, oi->content, &eaten); diff --git a/t/t6300-for-each-ref.sh b/t/t6300-for-each-ref.sh index 97bfbee6e8..0ffd630713 100755 --- a/t/t6300-for-each-ref.sh +++ b/t/t6300-for-each-ref.sh @@ -83,6 +83,8 @@ test_atom head push:strip=1 remotes/myfork/master test_atom head push:strip=-1 master test_atom head objecttype commit test_atom head objectsize 171 +test_atom head objectsize:disk 138 +test_atom head deltabase 0000000000000000000000000000000000000000 test_atom head objectname $(git rev-parse refs/heads/master) test_atom head objectname:short $(git rev-parse --short refs/heads/master) test_atom head objectname:short=1 $(git rev-parse --short=1 refs/heads/master) @@ -124,6 +126,10 @@ test_atom tag upstream '' test_atom tag push '' test_atom tag objecttype tag test_atom tag objectsize 154 +test_atom tag objectsize:disk 138 +test_atom tag '*objectsize:disk' 138 +test_atom tag deltabase 0000000000000000000000000000000000000000 +test_atom tag '*deltabase' 0000000000000000000000000000000000000000 test_atom tag objectname $(git rev-parse refs/tags/testtag) test_atom tag objectname:short $(git rev-parse --short refs/tags/testtag) test_atom head objectname:short=1 $(git rev-parse --short=1 refs/heads/master) |