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Signed-off-by: Junio C Hamano <junkio@cox.net>
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This fixes the same issue as a previous fix by Alex Riesen does.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Earlier, when we switched a branch we used diff-files to show
paths that are dirty in the working tree. But we allow switching
branches with updated index ("read-tree -m -u $old $new" works that
way), and only showing paths that have differences in the working
tree but not paths that are different in index was confusing.
This shows both as modified from the top commit of the branch we
just have switched to.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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You could give -q to squelch it, but currently no tool does it.
This would make 'git clone host:repo here' over ssh not silent
again.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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FreeBSD 4.11 being one example: the built-in echo doesn't have -e,
and the installed /bin/echo does not do "-e" as well.
"printf" works, laking just "\e" and "\xAB'.
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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The hashed object lookup had a subtle bug in re-hashing: it did
for (i = 0; i < count; i++)
if (objs[i]) {
.. rehash ..
where "count" was the old hash couny. Oon the face of it is obvious, since
it clearly re-hashes all the old objects.
However, it's wrong.
If the last old hash entry before re-hashing was in use (or became in use
by the re-hashing), then when re-hashing could have inserted an object
into the hash entries with idx >= count due to overflow. When we then
rehash the last old entry, that old entry might become empty, which means
that the overflow entries should be re-hashed again.
In other words, the loop has to be fixed to either traverse the whole
array, rather than just the old count.
(There's room for a slight optimization: instead of counting all the way
up, we can break when we see the first empty slot that is above the old
"count". At that point we know we don't have any collissions that we might
have to fix up any more. This patch only does the trivial fix)
[jc: with trivial fix on trivial fix]
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Calling hashtable_index from find_object before objs is created
would result in division by zero failure. Avoid it.
Also the given object name may not be aligned suitably for
unsigned int; avoid dereferencing casted pointer.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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In a simple test, this brings down the CPU time from 47 sec to 22 sec.
Signed-off-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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This howto consists of a footnote from an email by JC to the git
mailing list (<7vfyms0x4p.fsf@assigned-by-dhcp.cox.net>).
Signed-off-by: Kent Engstrom <kent@lysator.liu.se>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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* pb/repo:
Add support for explicit type specifiers when calling git-repo-config
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* jc/fixdiff:
diff-tree: do not default to -c
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This is to be nicer to people with unusable GECOS field.
"git-var -l" is currently broken in that when used by a user who
does not have a usable GECOS field and has not corrected it by
exporting GIT_COMMITTER_NAME environment variable it dies when
it tries to output GIT_COMMITTER_IDENT (same thing for AUTHOR).
"git-pull" used "git-var -l" only because it needed to get a
configuration variable before "git-repo-config --get" was
introduced. Use the latter tool designed exactly for this
purpose.
"git-sh-setup" used "git-var GIT_AUTHOR_IDENT" without actually
wanting to use its value. The only purpose was to cause the
command to check and barf if the repository format version
recorded in the $GIT_DIR/config file is too new for us to deal
with correctly. Instead, use "repo-config --get" on a random
property and see if it die()s, and check if the exit status is
128 (comes from die -- missing variable is reported with exit
status 1, so we can tell that case apart).
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Currently, git-repo-config will just return the raw value of option
as specified in the config file; this makes things difficult for scripts
calling it, especially if the value is supposed to be boolean.
This patch makes it possible to ask git-repo-config to check if the option
is of the given type (int or bool) and write out the value in its
canonical form. If you do not pass --int or --bool, the behaviour stays
unchanged and the raw value is emitted.
This also incidentally fixes the segfault when option with no value is
encountered.
[jc: tweaked the option parsing a bit to make it easier to see
that the patch does not change anything but the type stuff in
the diff output. Also changed to avoid "foo ? : bar" construct. ]
Signed-off-by: Petr Baudis <pasky@suse.cz>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Marco says it breaks qgit. This makes the flags a bit more
orthogonal.
$ git-diff-tree -r --abbrev ca18
No output from this command because you asked to skip merge by
not having -m there.
$ git-diff-tree -r -m --abbrev ca18
ca182053c7710a286d72102f4576cf32e0dafcfb
:100644 100644 538d21d... 59042d1... M Makefile
:100644 100644 410b758... 6c47c3a... M entry.c
ca182053c7710a286d72102f4576cf32e0dafcfb
:100644 100644 30479b4... 59042d1... M Makefile
The same "independent sets of diff" as before without -c.
$ git-diff-tree -r -m -c --abbrev ca18
ca182053c7710a286d72102f4576cf32e0dafcfb
::100644 100644 100644 538d21d... 30479b4... 59042d1... MM Makefile
Combined.
$ git-diff-tree -r -c --abbrev ca18
ca182053c7710a286d72102f4576cf32e0dafcfb
::100644 100644 100644 538d21d... 30479b4... 59042d1... MM Makefile
Asking for combined without -m does not make sense, so -c
implies -m.
We need to supply -c as default to whatchanged, which is a
one-liner.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Now pack-object is not as chatty when its stderr is not connected
to a terminal, so the test needs to be adjusted for that.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Johannes noticed that git-rerere depends on Digest.pm, and if
one does not use the command, one can live without it.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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The absolute path (with the leading slash) breaks SVN importing,
because it then looks for /trunk/... instead of /svn/trunk/...
(in my case, the repository URL was https://servername/svn/)
Signed-off-by: Christian Biesinger <cbiesinger@web.de>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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This makes fetch-pack also report the progress of packing part.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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We shouldn't fail a fetch just because a signal might have interrupted
the read.
Normally, we don't install any signal handlers, so EINTR really shouldn't
happen. That said, really old versions of Linux will interrupt an
interruptible system call even for signals that turn out to be ignored
(SIGWINCH is the classic example - resizing your xterm would cause it).
The same might well be true elsewhere too.
Also, since receive_keep_pack() doesn't control the caller, it can't know
that no signal handlers exist.
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Average it out over a few events to make the numbers stable, and fix the
silly usec->binary-ms conversion.
Yeah, yeah, it's arguably eye-candy to keep the user calm, but let's do
that right.
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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It used to be that "git-unpack-objects" would give nice percentages, but
now that we don't unpack the initial clone pack any more, it doesn't. And
I'd love to do that nice percentage view in the pack objects downloader
too, but the thing doesn't even read the pack header, much less know how
much it's going to get, so I was lazy and didn't.
Instead, it at least prints out how much data it's gotten, and what the
packing speed is. Which makes the user realize that it's actually doing
something useful instead of sitting there silently (and if the recipient
knows how large the final result is, he can at least make a guess about
when it migt be done).
So with this patch, I get something like this on my DSL line:
[torvalds@g5 ~]$ time git clone master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6 clone-test
Packing 188543 objects
48.398MB (154 kB/s)
where even the speed approximation seems to be roughtly correct (even
though my algorithm is a truly stupid one, and only really gives "speed in
the last half second or so").
Anyway, _something_ like this is definitely needed. It could certainly be
better (if it showed the same kind of thing that git-unpack-objects did,
that would be much nicer, but would require parsing the object stream as
it comes in). But this is big step forward, I think.
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Without these, running tests with an account with empty gecos
field would fail.
We might want to loosen error from "git-var -l" (but not
"git-var GIT_AUTHOR_NAME") later, but that is more or less an
independent issue.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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* lt/diff-tree:
combine-diff: Record diff status a bit more faithfully
find_unique_abbrev() simplification.
combine-diff: move formatting logic to show_combined_diff()
combined-diff: use diffcore before intersecting paths.
diff-tree -c raw output
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It was pointed out that otherwise more important summary
information prefixed with '#' would become prone to be missed.
Also instead of chopping at the first '^---$' line, stop at the
first 'diff --git a/' line.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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When we prettyprint commit log messages, merge parent names were
often very long and there was no way to abbreviate it.
This changes them to be abbreviated by default, and non-default
abbreviations can be specified with --no-abbrev or --abbrev=<n>
options.
Note that this affects only the prettyprinted parent names. The
output from --show-parents is meant for machine consumption and
is not affected by this flag.
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My kernel work habit made me look at the generated assembly for the
delta code, and one obvious albeit small improvement is this patch.
Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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There was a stale comment that explains why the old code could
undercount when delta data copied things around inside detination
buffer. We do not use that kind of delta, so the comment does
not apply.
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* jc/empty-commit:
t6000: fix a careless test library add-on.
Do not allow empty name or email.
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This shows "new file mode XXXX" and "deleted file mode XXXX"
lines like two-way diff-patch output does, by checking the
status from each parent.
The diff-raw output for combined diff is made a bit uglier by
showing diff status letters with each parent. While most of the
case you would see "MM" in the output, an Evil Merge that
touches a path that was added by inheriting from one parent is
possible and it would be shown like these:
$ git-diff-tree --abbrev -c HEAD
2d7ca89675eb8888b0b88a91102f096d4471f09f
::000000 000000 100644 0000000... 0000000... 31dd686... AA b
::000000 100644 100644 0000000... 6c884ae... c6d4fa8... AM d
::100644 100644 100644 4f7cbe7... f8c295c... 19d5d80... RR e
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Earlier it did not grok the 0{40} SHA1 very well, but what it
needed to do was to find the shortest 0{N} that is not used as a
valid object name to be consistent with the way names of valid
objects are abbreviated. This makes some users simpler.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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This revamps the git-status command to take the same set of
parameters as git commit. It gives a preview of what is being
committed with that command. With -v flag, it shows the diff
output between the HEAD commit and the index that would be
committed if these flags were given to git-commit command.
git-commit also acquires -v flag (it used to mean "verify" but
that is the default anyway and there is --no-verify to turn it
off, so not much is lost), which uses the updated git-status -v
to seed the commit log buffer. This is handy for writing a log
message while reviewing the changes one last time.
Now, git-commit and git-status are internally share the same
implementation.
Unlike previous git-commit change, this uses a temporary index
to prepare the index file that would become the real index file
after a successful commit, and moves it to the real index file
once the commit is actually made. This makes it safer than the
previous scheme, which stashed away the original index file and
restored it after an aborted commit.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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* jc/ls-files-o:
ls-files: honour per-directory ignore file from higher directories.
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This matches the count_delta() logic to the change previous
commit introduces to patch_delta().
Signed-off-by: Junio C Hamano <junkio@cox.net>
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After experimenting with code to add the ability to encode a delta
against part of the deltified file, it turns out that resulting packs
are _bigger_ than when this ability is not used. The raw delta output
might be smaller, but it doesn't compress as well using gzip with a
negative net saving on average.
Said bit would in fact be more useful to allow for encoding the copying
of chunks larger than 64KB providing more savings with large files.
This will correspond to packs version 3.
While the current code still produces packs version 2, it is made future
proof so pack versions 2 and 3 are accepted. Any pack version 2 are
compatible with version 3 since the redefined bit was never used before.
When enough time has passed, code to use that bit to produce version 3
packs could be added.
Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Use stat() to explicitly check for existence rather than
relying on the non-portable EEXIST error in sha1_file.c's
safe_create_leading_directories(). There certainly are
optimizations possible, but then the code becomes almost
the same as that in coreutil's lib/mkdir-p.c.
Other uses of EEXIST seem ok. Tested on Solaris 8, AIX 5.2L,
and a few Linux versions. AIX has some unrelated (I think)
failures right now; I haven't tried many recent gits there.
Anyone have an old Ultrix box to break everything? ;)
Also remove extraneous #includes. Everything's already in
git-compat-util.h, included through cache.h.
Signed-off-by: Jason Riedy <ejr@cs.berkeley.edu>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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This way, diff-files can make use of it. Also implement the
full suite of what diff_flush_raw() supports just for
consistency. With this, 'diff-tree -c -r --name-status' would
show what is expected.
There is no way to get the historical output (useful for
debugging and low-level Plumbing work) anymore, so tentatively
it makes '-m' to mean "do not combine and show individual diffs
with parents".
diff-files matches diff-tree to produce raw output for -c. For
textual combined diff, use -p -c.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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If you call setup_git_directory() to work from a subdirectory,
that should be run first before running git_config(). Otherwise
you would not read the configuration file from the correct place.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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This is needed to make "diff-tree -c -M" to work semi-sensibly.
Otherwise rename detection, pickaxe and friends would never be
invoked.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Signed-off-by: Jon Loeliger <jdl@jdl.com>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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NOTE! This makes "-c" be the default, which effectively means that merges
are never ignored any more, and "-m" is a no-op. So it changes semantics.
I would also like to make "--cc" the default if you do patches, but didn't
actually do that.
The raw output format is not wonderfully pretty, but it's distinguishable
from a "normal patch" in that a normal patch with just one parent has just
one colon at the beginning, while a multi-parent raw diff has <n> colons
for <n> parents.
So now, in the kernel, when you do
git-diff-tree cce0cac125623f9b68f25dd1350f6d616220a8dd
(to see the manual ARM merge that had a conflict in arch/arm/Kconfig), you
get
cce0cac125623f9b68f25dd1350f6d616220a8dd
::100644 100644 100644 4a63a8e2e45247a11c068c6ed66c6e7aba29ddd9 77eee38762d69d3de95ae45dd9278df9b8225e2c 2f61726d2f4b636f6e66696700dbf71a59dad287 arch/arm/Kconfig
ie you see two colons (two parents), then three modes (parent modes
followed by result mode), then three sha1s (parent sha1s followed by
result sha1).
Which is pretty close to the normal raw diff output.
Cool/stupid exercise:
$ git-whatchanged | grep '^::' | cut -f2- | sort |
uniq -c | sort -n | less -S
will show which files have needed the most file-level merge conflict
resolution. Useful? Probably not. But kind of interesting.
For the kernel, it's
....
10 arch/ia64/Kconfig
11 drivers/scsi/Kconfig
12 drivers/net/Makefile
17 include/linux/libata.h
18 include/linux/pci_ids.h
23 drivers/net/Kconfig
24 drivers/scsi/libata-scsi.c
28 drivers/scsi/libata-core.c
43 MAINTAINERS
Signed-off-by: Junio C Hamano <junkio@cox.net>
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When git-ls-files -o --exclude-per-directory=.gitignore is run
from a subdirectory, it did not read from .gitignore from its
parent directory. Reading from them makes output from these two
commands consistent:
$ git ls-files -o --exclude-per-directory=.gitignore Documentation
$ cd Documentation &&
git ls-files -o --exclude-per-directory=.gitignore
Signed-off-by: Junio C Hamano <junkio@cox.net>
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It tried to "restore" GIT_AUTHOR_EMAIL environment variable but
the variable started out as unset, so ended up setting it to an
empty string. This is now caught as an error.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Instead of silently allowing to create a bogus commit that lacks
information by mistake, complain loudly and die.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Signed-off-by: Andreas Ericsson <ae@op5.se>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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The "--cc" implies "-p", but without the recursive part.
Linus
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Signed-off-by: Petr Baudis <pasky@suse.cz>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Signed-off-by: Petr Baudis <pasky@suse.cz>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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In fetch_object, there's a call to release an object request if the
object mysteriously arrived, say in a pack. Unfortunately, the fetch
attempt for this object might already be in progress, and we'll leak the
descriptor. Instead, try to tidy away the request.
Signed-off-by: Mark Wooding <mdw@distorted.org.uk>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Don't mention it in docs or --help output.
Remove mbox, date and author variables from git-format-patch.sh.
Use DESCRIPTION text from man-page to update LONG_USAGE output. It's
a bit silly to have two texts saying the same thing in different words,
and I'm too lazy to update both.
Signed-off-by: Andreas Ericsson <ae@op5.se>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Junio C Hamano
Alex Riesen
Linus Torvalds
Johannes Schindelin
kent@lysator.liu.se
Petr Baudis
Christian Biesinger
Nicolas Pitre
Jason Riedy
Jon Loeliger
Andreas Ericsson
Mark Wooding