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ref-filter: add docs for new options

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Add documentation for formatting options objectsize:disk
and deltabase.

Signed-off-by: Olga Telezhnaia <olyatelezhnaya@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Olga Telezhnaya 2018-12-24 13:24:30 +00:00 committed by Junio C Hamano
parent 5610d9ff0d
commit 59012fe5e8
1 changed files with 20 additions and 1 deletions
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21
Documentation/git-for-each-ref.txt
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@ -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]