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Actually report what exactly is wrong with the object, instead of an
ambiguous 'bad sha1 file' or such. In places where we already do, unify
the format and clean the messages up.
Signed-off-by: Petr Baudis <pasky@suse.cz>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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When we check the optional objects/info/alternates file at the remote
repository, we forgot to really squelch error message from rsync.
Not having that file is not a crime.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Right now we don't return any error value at all from parse_date(), and if
we can't parse it, we just silently leave the result buffer unchanged.
That's fine for the current user, which will always default to the current
date, but it's a crappy interface, and we might well be better off with an
error message rather than just the default date.
So let's change the thing to return a negative value if an error occurs,
and the length of the result otherwise (snprintf behaviour: if the buffer
is too small, it returns how big it _would_ have been).
[ I started looking at this in case we could support date-based revision
names. Looks ugly. Would have to parse relative dates.. ]
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Add -m/--modified to show files that have been modified wrt. the index.
[jc: The original came from Brian Gerst on Sep 1st but it only checked
if the paths were cache dirty without actually checking the files were
modified. I also added the usage string and a new test.]
Signed-off-by: Junio C Hamano <junkio@cox.net>
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If the length in the stat information does not match what is recorded
in the index, there is no point rehashing the contents to see if the
index entry can be refreshed.
We need to be a bit careful. Immediately after read-tree or
checkout-index without -u, ce_size is set to zero and does not match
the length of the blob that is recorded, and we need to actually look
at the contents to see if it has been changed.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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This updates the default human readable name we generate from GECOS
field. We assume the "full-name, followed by additional information
separated by commas" format, with an & expanding to the capitalized
login name.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Somehow I missed it when we updated read-tree to support the recursive
merge strategy. Also -i should require -m as well, which the command
did not check.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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The replacement was performed automatically by these commands:
perl -pi -e 's/link:(git.+)\.html\[\1\]/gitlink:$1\[1\]/g' \
README Documentation/*.txt
perl -pi -e 's/link:git\.html\[git\]/gitlink:git\[7\]/g' \
README Documentation/*.txt
Signed-off-by: Sergey Vlasov <vsu@altlinux.ru>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Introduce an asciidoc.conf file with the purpose of adding a gitlink:
macro which will improve the manpage output.
Original cogito patch by Jonas Fonseca <fonseca@diku.dk>;
asciidoc.conf from that patch was further enhanced to use the proper
DocBook tag <citerefentry> for references to man pages.
Signed-off-by: Sergey Vlasov <vsu@altlinux.ru>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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get_sha1() would not do sha1 completion of short SHA1's when they were
part of a more complex expression. So doing
git-rev-parse 727132834e6be48a93c1bd6458a29d474ce7d5d5^
would work, and return 87c6aeb4efdd4355918d127a91bd0adc5a02f8ff. But using
the shorthand version
git-rev-list 72713^
wouldn't work.
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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so people without the latest Python could run merge-recursive.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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We may end up trying to print a commit we do not actually have but we
know about its existence only because another commit we do have refers
to it.
Signed-off-by: Junio C Hamano <junkio@cox.net>
(cherry picked from b204feab9371040982d2c60611925e7693106c84 commit)
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The base target directory for the templates copying was initialized
to git_dir, but git_dir[len] is not zero but / at the time we do the
initialization. This is not what we want for our target directory string
since we pass it to mkdir(), so make it zero-terminated manually.
Signed-off-by: Petr Baudis <pasky@suse.cz>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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We sometimes do not install git-send-email nor git-http-pull; do not
unconditionally create symlinks to them.
Signed-off-by: Patrick Mauritz <oxygene@studentenbude.ath.cx>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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The target to check out does not need to be a branch. The _result_ of the
checkout needs to be a branch. Don't confuse the two, and then insult the
user.
Insulting is ok, but I personally get really pissed off is a tool is both
confused and insulting. At least be _correct_ and insulting.
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Some C libraries lack strcasestr(); add a stupid replacement
to help folks with such.
[jc: original Linus posting, updated with his "also need <ctype.h>",
updated further with a fix from Joachim B Haga <cjhaga@fys.uio.no>"]
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Signed-off-by: Junio C Hamano <junkio@cox.net>
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This makes git-update-index error reporting much less confusing. The
user will know what went wrong with better precision, and will be given
a hopefully less confusing advice.
Signed-off-by: Petr Baudis <pasky@suse.cz>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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This fixes everybodys favourite complaint about "git add", namely that it
doesn't take directories.
We use "git-ls-files --others" to generate an arbitrary list of filenames,
and thus also automatically honor ignore-files while we're at it.
Side note: there's a lot of room for improvement here. In particular, if
we have a long list of filenames (importing a big archive), this will just
do a big stupid for-loop and add them one at a time. Maybe it should use
generate-list | xargs -0 git-update-idex --add --
instead.
Also, I think we should have a default ignore list if we don't find a
.git/info/exclude file. Ignoring "*.o" and ".*" by default would probably
be the right thing to do.
But I think this is a good first step.
Use the "-n" flag to just show the list of files to be added without
adding them.
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Especially when you're deep inside the git repository, it's not all that
trivial for scripts to figure out where GIT_DIR is if it isn't set.
So add a flag to git-rev-parse to show where it is, since it will have
figured it out anyway.
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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This allows the remote repository to refer to additional repositories
in a file objects/info/http-alternates or
objects/info/alternates. Each line may be:
a relative path, starting with ../, to get from the objects directory
of the starting repository to the objects directory of the added
repository.
an absolute path of the objects directory of the added repository (on
the same server).
(only in http-alternates) a full URL of the objects directory of the
added repository.
Signed-off-by: Daniel Barkalow <barkalow@iabervon.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Signed-off-by: Junio C Hamano <junkio@cox.net>
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Bugfix for the previous one.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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The recent safety check to trust only the commits we have made
things impossibly slow and turn out to waste a lot of memory.
This commit fixes it with the following improvements:
- mark already scanned objects and avoid rescanning the same
object again;
- free the tree entries when we have scanned the tree entries;
this is the same as b0d8923ec01fd91b75ab079034f89ced91500157
which reduced memory usage by rev-list;
- plug memory leak from the object_list dequeuing code;
- use the process_queue not just for fetching but for scanning,
to make things tail recursive to avoid deep recursion; the
deep recursion was especially prominent when we cloned a big
pack.
- avoid has_sha1_file() call when we already know we do not have
that object.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Using "git repack -a -d" can destroy your git archive if you use it
twice in succession, because the new pack can be called the same as
the old pack. Found by Linus.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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As a convenience measure, 'bisect bad' or 'bisect good' automatically
does 'bisect next' when it knows it can, but the result of that test
to see if it can was leaking through as the exit code from the whole
thing, which was bad. Noticed by Anton Blanchard.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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This tries .../objects/info/http-alternates and then
.../objects/info/alternates, looking for a file which specifies where
else to download objects and packs from.
It currently only supports absolute paths, and doesn't support full URLs.
Signed-off-by: Daniel Barkalow <barkalow@iabervon.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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I do not know why it was spelled git-rev-tree when I meant to say
git-read-tree, but the typo was left since day one.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Jason Riedy suggests that we should be able to use getdomainname
if we properly specify which libraries to link.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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This is a nicer fix for git-shortlog being unable to handle the raw log
format. Just use a more permissive regexp instead of doing two nearly
identical ones.
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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There were two bugs in there:
- if the range didn't end up working, we restored the '.' character in
the wrong place.
- an empty end-of-range should be interpreted as HEAD.
See rev-parse.c for the reference implementation of this.
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Signed-off-by: Junio C Hamano <junkio@cox.net>
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For local operations and downloading and uploading via git aware protocols,
use of $GIT_OBJECT_DIRECTORY/info/alternates is recommended on the server
side for big projects that are derived from another one (like Linux kernel).
However, dumb protocols and rsync transport needs to resolve this on the
client end, which we did not bother doing until this week.
I noticed we use "rsync -z" but most of our payload is already compressed,
which was not quite right. This commit also fixes it.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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The object parsing code builds a generic "this object references that
object" because doing a full connectivity check for fsck requires it.
However, nothing else really needs it, and it's quite expensive for
git-rev-list that can have tons of objects in flight.
So, exactly like the commit buffer save thing, add a global flag to
disable it, and use it in git-rev-list.
Before:
$ /usr/bin/time git-rev-list --objects v2.6.12..HEAD | wc -l
12.28user 0.29system 0:12.57elapsed 99%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+26718minor)pagefaults 0swaps
59124
After this change:
$ /usr/bin/time git-rev-list --objects v2.6.12..HEAD | wc -l
10.33user 0.18system 0:10.54elapsed 99%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+18509minor)pagefaults 0swaps
59124
and note how the number of pages touched by git-rev-list for this
particular object list has shrunk from 26,718 (104 MB) to 18,509 (72 MB).
Calculating the total object difference between two git revisions is still
clearly the most expensive git operation (both in memory and CPU time),
but it's now less than 40% of what it used to be.
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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This avoids keeping tree entries around, and free's them as it traverses
the list. This avoids building up a huge memory footprint just for these
small but very common allocations.
Before:
$ /usr/bin/time git-rev-list --objects v2.6.12..HEAD | wc -l
11.65user 0.38system 0:12.65elapsed 95%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+42934minor)pagefaults 0swaps
59124
After:
$ /usr/bin/time git-rev-list --objects v2.6.12..HEAD | wc -l
12.28user 0.29system 0:12.57elapsed 99%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+26718minor)pagefaults 0swaps
59124
Note how the minor fault numbers - which ends up being how many pages we
needed to map - go down from 42934 (167 MB) to 26718 (104 MB). That is:
Before:
42934 minor pagefaults
After:
26718 minor pagefaults
This is all in _addition_ to the previous fixes. It used to be
~48,000 pagefaults.
That's still a honking big memory footprint, but it's about half of what
it was just a day or two ago (and this is the object list for a pretty big
update - almost 60,000 objects. Smaller updates need less memory).
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Clean-ups suggested by Sergey Vlasov and acked by Daniel Barkalow.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Build systems should run tests. This patch adds the necessary
debian/control and debian/rules bits ("bc" was missing,
t/t4002-diff-basic.sh wants it).
Signed-off-by: Matthias Urlichs <smurf@smurf.noris.de>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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... or less so, perhaps ;-). Suggested by Jeff Garzik.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Update git-core spec file based on feedback from Fedora Extras review.
- update BuildRoot to be more specific
- eliminate Requires that must be satisfied for base system install
- drop Vendor
- use dist tag to differentiate between branches
- own %{_datadir}/git-core/
- use RPM_OPT_FLAGS in spec file
Signed-off-by: Chris Wright <chrisw@osdl.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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An earlier commit causes a mismatch in <emphasis> and <superscript>
tags, one way of fixing it is having no more than one caret symbol per
line, which is the only solution I found in the asciidoc
documentation. Ugly, but it works.
[jc: ugly indeed but that is not Peter's fault.]
Signed-off-by: Peter Hagervall <hager@cs.umu.se>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Signed-off-by: Junio C Hamano <junkio@cox.net>
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... and the next one will be the one to do Debian, naturally.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Signed-off-by: Junio C Hamano <junkio@cox.net>
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Fix the "superscript" problem on the git-rev-list doc page.
Signed-off-by: Jon Loeliger <jdl@freescale.com>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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The logic to calculate the full object list used to be very inter-twined
with the logic that looked up the commits.
For no good reason - it's actually a lot simpler to just do that logic
as a separate pass.
This improves performance a bit, and uses slightly less memory in my
tests, but more importantly it makes the code simpler to work with and
follow what it does.
The performance win is less than I had hoped for, but I get:
Before:
[torvalds@g5 linux]$ /usr/bin/time git-rev-list --objects v2.6.12..HEAD | wc -l
13.64user 0.42system 0:14.13elapsed 99%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+47947minor)pagefaults 0swaps
58945
After:
[torvalds@g5 linux]$ /usr/bin/time git-rev-list --objects v2.6.12..HEAD | wc -l
11.80user 0.36system 0:12.16elapsed 99%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+42684minor)pagefaults 0swaps
58945
ie it improved by 2 seconds, and took a 5000+ fewer pages (hey, that's
20MB out of 174MB to go). And got the same number of objects (in theory,
the more expensive one might find some more shared objects to avoid. In
practice it obviously doesn't).
I know how to make it use _lots_ less memory, which will probably speed it
up. But that's for another time, and I'd prefer to see this go in first.
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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It is a bit embarrassing that it took this long for a fix since the
problem was first reported on Aug 13th.
Message-ID: <87y876gl1r.wl@mail2.atmark-techno.com>
From: Yasushi SHOJI <yashi@atmark-techno.com>
Newsgroups: gmane.comp.version-control.git
Subject: [patch] possible memory leak in diff.c::diff_free_filepair()
Date: Sat, 13 Aug 2005 19:58:56 +0900
This time I used valgrind to make sure that it does not overeagerly
discard memory that is still being used.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Signed-off-by: Junio C Hamano <junkio@cox.net>
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As pointed out on the list, git-rev-list can use a lot of memory.
One low-hanging fruit is to free the commit buffer for commits that we
parse. By default, parse_commit() will save away the buffer, since a lot
of cases do want it, and re-reading it continually would be unnecessary.
However, in many cases the buffer isn't actually necessary and saving it
just wastes memory.
We could just free the buffer ourselves, but especially in git-rev-list,
we actually end up using the helper functions that automatically add
parent commits to the commit lists, so we don't actually control the
commit parsing directly.
Instead, just make this behaviour of "parse_commit()" a global flag.
Maybe this is a bit tasteless, but it's very simple, and it makes a
noticable difference in memory usage.
Before the change:
[torvalds@g5 linux]$ /usr/bin/time git-rev-list v2.6.12..HEAD > /dev/null
0.26user 0.02system 0:00.28elapsed 99%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+3714minor)pagefaults 0swaps
after the change:
[torvalds@g5 linux]$ /usr/bin/time git-rev-list v2.6.12..HEAD > /dev/null
0.26user 0.00system 0:00.27elapsed 100%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2433minor)pagefaults 0swaps
note how the minor faults have decreased from 3714 pages to 2433 pages.
That's all due to the fewer anonymous pages allocated to hold the comment
buffers and their metadata.
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Petr Baudis
Junio C Hamano
Linus Torvalds
Sergey Vlasov
Petr Baudis
Patrick Mauritz
Daniel Barkalow
Matthias Urlichs
Chris Wright
Peter Hagervall
Horst von Brand
jdl@freescale.com