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This fixes the previous implementation which failed to optimize
repositories with tons of lightweight tags. The updated
packed-refs format begins with "# packed-refs with:" line that
lists the kind of extended data the file records. Currently,
there is only one such extension defined, "peeled". This stores
the "peeled tag" on a line that immediately follows a line for a
tag object itself in the format "^<sha-1>".
The header line itself and any extended data are ignored by
older implementation, so packed-refs file generated with this
version can still be used by older git. packed-refs made by
older git can of course be used with this version.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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This would speed up "show-ref -d" in a repository with mostly
packed tags.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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This describes the abbreviation possibilities for git-show-ref
Signed-off-by: Lars Hjemli <hjemli@gmail.com>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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This teaches show-ref to abbreviate the object name.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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* lt/refs: (58 commits)
git-pack-refs --prune
pack-refs: do not pack symbolic refs.
Tell between packed, unpacked and symbolic refs.
Add callback data to for_each_ref() family.
symbolit-ref: fix resolve_ref conversion.
Fix broken sha1 locking
fsck-objects: adjust to resolve_ref() clean-up.
gitignore: git-pack-refs is a generated file.
wt-status: use simplified resolve_ref to find current branch
Fix t1400-update-ref test minimally
Enable the packed refs file format
Make ref resolution saner
Add support for negative refs
Start handling references internally as a sorted in-memory list
gitweb fix validating pg (page) parameter
git-repack(1): document --window and --depth
git-apply(1): document --unidiff-zero
gitweb: fix warnings in PATH_INFO code and add export_ok/strict_export
upload-archive: monitor child communication even more carefully.
gitweb: export options
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Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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With this option only the sha1 hash of the ref should
be printed.
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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It's kind of like "git peek-remote", but works only locally (and thus
avoids the whole overhead of git_connect()) and has some extra
verification features.
For example, it allows you to filter the results, and to choose whether
you want the tag dereferencing or not. You can also use it to just test
whether a particular ref exists.
For example:
git show-ref master
will show all references called "master", whether tags or heads or
anything else, and regardless of how deep in the reference naming
hierarchy they are (so it would show "refs/heads/master" but also
"refs/remote/other-repo/master").
When using the "--verify" flag, the command requires an exact ref path:
git show-ref --verify refs/heads/master
will only match the exact branch called "master".
If nothing matches, show-ref will return an error code of 1, and in the
case of verification, it will show an error message.
For scripting, you can ask it to be quiet with the "--quiet" flag, which
allows you to do things like
git-show-ref --quiet --verify -- "refs/heads/$headname" ||
echo "$headname is not a valid branch"
to check whether a particular branch exists or not (notice how we don't
actually want to show any results, and we want to use the full refname for
it in order to not trigger the problem with ambiguous partial matches).
To show only tags, or only proper branch heads, use "--tags" and/or
"--heads" respectively (using both means that it shows tags _and_ heads,
but not other random references under the refs/ subdirectory).
To do automatic tag object dereferencing, use the "-d" or "--dereference"
flag, so you can do
git show-ref --tags --dereference
to get a listing of all tags together with what they dereference.
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Junio C Hamano
Lars Hjemli
Christian Couder
Linus Torvalds