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Not that this makes practical performance difference; the kernel tree
for example has 200 or so directories that have subdirectory, and the
largest ones have 57 of them (fs and drivers). With a test to apply
600 patches with git-apply and git-write-tree, this did not make more
than one per-cent of a difference, but it is a good cleanup.
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 move the cache-tree data into it.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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We reused the cache-tree data without verifying the tree object
still exists. Recompute in cache_tree_update() an otherwise
valid cache-tree entry when the tree object disappeared.
This is not usually a problem, but theoretically without this
fix things can break when the user does something like this:
- read-index from a side branch
- write-tree the result
- remove the side branch with "git branch -D"
- remove the unreachable objects with "git prune"
- write-tree what is in the index.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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This was useful in diagnosing the corrupt index.aux format
problem. But do not bother building or installing it by
default.
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 updates git-apply to maintain cache-tree information. With
this and the previous write-tree patch, repeated "apply --index"
followed by "write-tree" on a huge tree will hopefully become
faster.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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The updated write-tree reads from $GIT_DIR/index.aux to pick up
subtree objects information, updates the cache-tree with the
index, and updates index.aux file after writing a tree out of
the index file.
Until update-index and other programs that modify the index are
updated to maintain index.aux file, the index.aux file written
by the last write-tree will become stale immediately after they
update the index, which will result in the whole tree
recomputation just like the original write-tree.
The idea is to convert those commands to invalidate cache-tree
whenever they touch the index entries, and write updated
index.aux out. After the index is updated with them, write-tree
will be able to reuse the parts of the cache-tree that have not
been touched.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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The cache_tree data structure is to cache tree object names that
would result from the current index file.
The idea is to have an optional file to record each tree object
name that corresponds to a directory path in the cache when we
run write_cache(), and read it back when we run read_cache().
During various index manupulations, we selectively invalidate
the parts so that the next write-tree can bypass regenerating
tree objects for unchanged parts of the directory hierarchy.
We could perhaps make the cache-tree data an optional part of
the index file, but that would involve the index format updates,
so unless we need it for performance reasons, the current plan
is to use a separate file, $GIT_DIR/index.aux to store this
information and link it with the index file with the checksum
that is already used for index file integrity check.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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read_cache_1() and write_cache_1() takes an extra parameter
*sha1 that returns the checksum of the index file when non-NULL.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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* jc/diff:
diff --stat: do not drop rename information.
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builtin-help.c wants to include common-cmds.h which is a
generated file.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Right now it split it into "builtin-log.c" for log-related commands
("log", "show" and "whatchanged"), and "builtin-help.c" for the
informational commands (usage printing and "help" and "version").
This just makes things easier to read, I find.
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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* fix:
git-log produces no output
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When $PAGER is set to 'less -i', we used to fail because we
assumed the $PAGER is a command and simply exec'ed it.
Try exec first, and then run it through shell if it fails. This
allows even funkier PAGERs like these ;-):
PAGER='sed -e "s/^/`date`: /" | more'
PAGER='contrib/colordiff.perl | less -RS'
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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* fix:
fix pack-object buffer size
mailinfo: decode underscore used in "Q" encoding properly.
Reintroduce svn pools to solve the memory leak.
pack-objects: do not stop at object that is "too small"
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The input line has 40 _chars_ of sha1 and no 20 _bytes_. It should also
account for the space before the pathname, and the terminating \n and \0.
Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Quoted-Printable (RFC 2045) and the "Q" encoding (RFC 2047) are
subtly different; the latter is used on the mail header and an
underscore needs to be decoded to 0x20.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Introduced in 4802426.
Signed-off-by: Santi Béjar <sbejar@gmail.com>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Because we sort the delta window by name-hash and then size,
hitting an object that is too small to consider as a delta base
for the current object does not mean we do not have better
candidate in the window beyond it.
Noticed by Shawn Pearce, analyzed by Nico, Linus and me.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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* fix:
git-commit --amend: two fixes.
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When running "git commit --amend" only to fix the commit log
message without any content change, we mistakenly showed the
git-status output that says "nothing to commit" without
commenting it out.
If you have already run update-index but you want to amend the
top commit, "git commit --amend --only" without any paths should
have worked, because --only means "starting from the base
commit, update-index these paths only to prepare the index to
commit, and perform the commit". However, we refused -o without
paths.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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When a verbatim rename or copy is detected, we did not show
anything on the "diff --stat" for the filepair. This makes it
to show the rename information.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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* lt/xsha1:
get_tree_entry(): make it available from tree-walk
sha1_name.c: no need to include diff.h; tree-walk.h will do.
sha1_name.c: prepare to make get_tree_entry() reusable from others.
get_sha1() shorthands for blob/tree objects
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* maint:
pre-commit hook: complain about conflict markers.
git-merge: a bit more readable user guidance.
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Now I am not doing any real "git-diff in C" yet, but this would
help before doing so.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Several <<< or === or >>> characters at the beginning of a line
is very likely to be leftover conflict markers from a failed
automerge the user resolved incorrectly, so detect them.
As usual, this can be defeated with "git commit --no-verify" if
you really do want to have those files, just like changes that
introduce trailing whitespaces.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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We said "fix up by hand" after failed automerge, which was a big
"Huh? Now what?". Be a bit more explicit without being too
verbose. Suggested by Carl Worth.
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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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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I personally prefer "ignore_merges" to be on by default, because quite
often the merge diff is distracting and not interesting. That's true both
with "-p" and with "--stat" output.
If you want output from merges, you can trivially use the "-m", "-c" or
"--cc" flags to tell that you're interested in merges, which also tells
the diff generator what kind of diff to do (for --stat, any of the three
will do, of course, but they differ for plain patches or for
--patch-with-stat).
This trivial patch just removes the two lines that tells "git log" not to
ignore merges. It will still show the commit log message, of course, due
to the "always_show_header" part.
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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.. but don't even bother documenting it. I don't think any normal person
is supposed to ever really care, but it simplifies testing when you want
to use the "git repack" wrapper rather than forcing you to use the core
programs (which already do support the window/depth arguments, of course).
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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* fix:
Document git-clone --reference
Fix filename scaling for binary files
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This is a fairly straightforward patch to allow "get_sha1()" to also have
shorthands for tree and blob objects.
The syntax is very simple and intuitive: you can specify a tree or a blob
by simply specifying <revision>:<path>, and get_sha1() will do the SHA1
lookup from the tree for you.
You can currently do it with "git ls-tree <rev> <path>" and parsing the
output, but that's actually pretty awkward.
With this, you can do something like
git cat-file blob v1.2.4:Makefile
to get the contents of "Makefile" at revision v1.2.4.
Now, this isn't necessarily something you really need all that often, but
the concept itself is actually pretty powerful. We could, for example,
allow things like
git diff v0.99.6:git-commit-script..v1.3.0:git-commit.sh
to see the difference between two arbitrary files in two arbitrary
revisions. To do that, the only thing we'd have to do is to make
git-diff-tree accept two blobs to diff, in addition to the two trees it
now expects.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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When I unified the revision argument parsing, I introduced a simple bug
wrt tags that had been marked uninteresting. When it was preparing for the
revision walk, it would mark all the parent commits of an uninteresting
tag correctly uninteresting, but it would forget about the commit itself.
This means that when I just did my 2.6.17-rc2 release, and my scripts
generated the log for "v2.6.17-rc1..v2.6.17-rc2", everything was fine,
except the commit pointed to by 2.6.17-rc1 (which shouldn't have been
there) was included. Even though it should obviously have been marked as
being uninteresting.
Not a huge deal, and the fix is trivial.
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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The new --reference flag introduced to git-clone in
GIT 1.3.0 was not documented but is rather handy.
So document it.
Also corrected a minor issue with the documentation for the
-s flag; the info/alternates file name was spelled wrong.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Set maximum filename length for binary files so that scaling won't be
triggered and result in invalid string access.
Signed-off-by: Jonas Fonseca <fonseca@diku.dk>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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* jc/pager-cat:
Do not fork PAGER=cat
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* lt/logopt:
Fix "git log --stat": make sure to set recursive with --stat.
combine-diff: show diffstat with the first parent.
git.c: LOGSIZE is unused after log printing cleanup.
Log message printout cleanups (#3): fix --pretty=oneline
Log message printout cleanups (#2)
Log message printout cleanups
rev-list --header: output format fix
Fixes for option parsing
log/whatchanged/show - log formatting cleanup.
Simplify common default options setup for built-in log family.
Tentative built-in "git show"
Built-in git-whatchanged.
rev-list option parser fix.
Split init_revisions() out of setup_revisions()
Fix up rev-list option parsing.
Fix up default abbrev in setup_revisions() argument parser.
Common option parsing for "git log --diff" and friends
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Signed-off-by: Junio C Hamano <junkio@cox.net>
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[jc: with entries in git.txt]
Signed-off-by: Jonas Fonseca <fonseca@diku.dk>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Just like "patch" format always needs recursive, "diffstat"
format does not make sense without setting recursive.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Just like "patch" format always needs recursive, "diffstat"
format does not make sense without setting recursive.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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added svn:special symlink support for access methods other than
direct-http
Signed-off-by: Herbert Valerio Riedel <hvr@gnu.org>
Acked-by: Matthias Urlichs <smurf@smurf.noris.de>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Asking for stat (either with --stat or --patch-with-stat) gives
you diffstat for the first parent, even under combine-diff.
While the combined patch is useful to highlight the complexity
and interaction of the parts touched by all branches when
reviewing a merge commit, diffstat is a tool to assess the
extent of damage the merge brings in, and showing stat with the
first parent is more sensible than clever per-parent diffstat.
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 option is very special, since pretty_print_commit() will _remove_
the newline at the end of it, so we want to have an extra separator
between the things.
I added a honking big comment this time, so that (a) I don't forget this
_again_ (I broke "oneline" several times during this printout cleanup),
and so that people can understand _why_ the code does what it does.
Now, arguably the alternate fix is to always have the '\n' at the end in
pretty-print-commit, but git-rev-list depends on the current behaviour
(but we could have git-rev-list remove it, whatever).
With the big comment, the code hopefully doesn't get broken again. And now
things like
git log --pretty=oneline --cc --patch-with-stat
works (even if that is admittedly a totally insane combination: if you
want the patch, having the "oneline" log format is just crazy, but hey,
it _works_. Even insane people are people).
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Here's a further patch on top of the previous one with cosmetic
improvements (no "real" code changes, just trivial updates):
- it gets the "---" before a diffstat right, including for the combined
merge case. Righ now the logic is that we always use "---" when we have
a diffstat, and an empty line otherwise. That's how I visually prefer
it, but hey, it can be tweaked later.
- I made "diff --cc/combined" add the "---/+++" header lines too. The
thing won't be mistaken for a valid diff, since the "@@" lines have too
many "@" characters (three or more), but it just makes it visually
match a real diff, which at least to me makes a big difference in
readability. Without them, it just looks very "wrong".
I guess I should have taken the filename from each individual entry
(and had one "---" file per parent), but I didn't even bother to try to
see how that works, so this was the simple thing.
With this, doing a
git log --cc --patch-with-stat
looks quite readable, I think. The only nagging issue - as far as I'm
concerned - is that diffstats for merges are pretty questionable the way
they are done now. I suspect it would be better to just have the _first_
diffstat, and always make the merge diffstat be the one for "result
against first parent".
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Serge E. Hallyn noticed that we compute how many input bytes are
still left, but did not use it for sanity checking.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Junio C Hamano
Linus Torvalds
Nicolas Pitre
Santi_Béjar
Shawn Pearce
Jonas Fonseca
Herbert Valerio Riedel