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This adds a git-rm command which provides convenience similar to
git-add, (and a bit more since it takes care of the rm as well if
given -f).
Like git-add, git-rm expands the given path names through
git-ls-files. This means it only acts on files listed in the
index. And it does act recursively on directories by default, (no -r
needed as in the case of rm itself). When it recurses, it does not
remove empty directories that are left behind.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Unless --no-tags flag was given, git-fetch tried to always
follow remote tags that point at the commits we picked up.
It is not very useful to pick up tags from remote unless storing
the fetched branch head in a local tracking branch. This is
especially true if the fetch is done to merge the remote branch
into our current branch as one-shot basis (i.e. "please pull"),
and is even harmful if the remote repository has many irrelevant
tags.
This proposed update disables the automated tag following unless
we are storing the a fetched branch head in a local tracking
branch.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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This updates the progress output to match "every one second or
every percent whichever comes early" used by unpack-objects, as
discussed on the list.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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If that pack is big, it takes significant time to write and might
benefit from some more eye candies as well. This is however disabled
when the pack is written to stdout since in that case the output is
usually piped into unpack_objects which already does its own progress
reporting.
Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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This provides a stable and simpler progress reporting mechanism that
updates progress as often as possible but accurately not updating more
than once a second. The deltification phase is also made more
interesting to watch (since repacking a big repository and only seeing a
dot appear once every many seconds is rather boring and doesn't provide
much food for anticipation).
Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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"empty ident not allowed" error makes commit-tree fail, so we
are already safer in that we would not end up with commit
objects that have bogus names on the author or committer fields.
However, before commit-tree is called there are already changes
made to the index file and the working tree. The operation can
be resumed after fixing the environment problem, but when this
triggers to a newcomer with unusable gecos, the first question
becomes "what did I lose and how would I recover".
This patch modifies some Porcelainish commands to verify
GIT_COMMITTER_IDENT as soon as we know we are going to make some
commits before doing much damage to prevent confusion.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Previous one warned people upfront to encourage fixing their
environment early, but some people just use repositories and git
tools read-only without making any changes, and in such a case
there is not much point insisting on them having a usable ident.
This round attempts to move the error until either "git-var"
asks for the ident explicitly or "commit-tree" wants to use it.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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It appears that some people who did not care about having bogus
names in their own commit messages are bitten by the recent
change to require a sane environment [*1*].
While it was a good idea to prevent people from using bogus
names to create commits and doing sign-offs, the error message
is not very informative. This patch attempts to warn things
upfront and hint people how to fix their environments.
[Footnote]
*1* The thread is this one.
http://marc.theaimsgroup.com/?t=113868084800004
Especially this message.
http://marc.theaimsgroup.com/?m=113932830015032
Signed-off-by: Junio C Hamano <junkio@cox.net>
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This tries to rework the solution for the excess delta chain
problem. An earlier commit worked it around ``cheaply'', but
repeated repacking risks unbound growth of delta chains.
This version counts the length of delta chain we are reusing
from the existing pack, and makes sure a base object that has
sufficiently long delta chain does not get deltified.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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A new flag -q makes underlying pack-objects less chatty.
A new flag -f forces delta to be recomputed from scratch.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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This introduces --no-reuse-delta option to disable reusing of
existing delta, which is a large part of the optimization
introduced by this series. This may become necessary if
repeated repacking makes delta chain too long. With this, the
output of the command becomes identical to that of the older
implementation. But the performance suffers greatly.
It still allows reusing non-deltified representations; there is
no point uncompressing and recompressing the whole text.
It also adds a couple more statistics output, while squelching
it under -q flag, which the last round forgot to do.
$ time old-git-pack-objects --stdout >/dev/null <RL
Generating pack...
Done counting 184141 objects.
Packing 184141 objects....................
real 12m8.530s user 11m1.450s sys 0m57.920s
$ time git-pack-objects --stdout >/dev/null <RL
Generating pack...
Done counting 184141 objects.
Packing 184141 objects.....................
Total 184141, written 184141 (delta 138297), reused 178833 (delta 134081)
real 0m59.549s user 0m56.670s sys 0m2.400s
$ time git-pack-objects --stdout --no-reuse-delta >/dev/null <RL
Generating pack...
Done counting 184141 objects.
Packing 184141 objects.....................
Total 184141, written 184141 (delta 134833), reused 47904 (delta 0)
real 11m13.830s user 9m45.240s sys 0m44.330s
There is one remaining issue when --no-reuse-delta option is not
used. It can create delta chains that are deeper than specified.
A<--B<--C<--D E F G
Suppose we have a delta chain A to D (A is stored in full either
in a pack or as a loose object. B is depth1 delta relative to A,
C is depth2 delta relative to B...) with loose objects E, F, G.
And we are going to pack all of them.
B, C and D are left as delta against A, B and C respectively.
So A, E, F, and G are examined for deltification, and let's say
we decided to keep E expanded, and store the rest as deltas like
this:
E<--F<--G<--A
Oops. We ended up making D a bit too deep, didn't we? B, C and
D form a chain on top of A!
This is because we did not know what the final depth of A would
be, when we checked objects and decided to keep the existing
delta. Unfortunately, deferring the decision until just before
the deltification is not an option. To be able to make B, C,
and D candidates for deltification with the rest, we need to
know the type and final unexpanded size of them, but the major
part of the optimization comes from the fact that we do not read
the delta data to do so -- getting the final size is quite an
expensive operation.
To prevent this from happening, we should keep A from being
deltified. But how would we tell that, cheaply?
To do this most precisely, after check_object() runs, each
object that is used as the base object of some existing delta
needs to be marked with the maximum depth of the objects we
decided to keep deltified (in this case, D is depth 3 relative
to A, so if no other delta chain that is longer than 3 based on
A exists, mark A with 3). Then when attempting to deltify A, we
would take that number into account to see if the final delta
chain that leads to D becomes too deep.
However, this is a bit cumbersome to compute, so we would cheat
and reduce the maximum depth for A arbitrarily to depth/4 in
this implementation.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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When generating a new pack, notice if we have already needed
objects in existing packs. If an object is stored deltified,
and its base object is also what we are going to pack, then
reuse the existing deltified representation unconditionally,
bypassing all the expensive find_deltas() and try_deltas()
calls.
Also, notice if what we are going to write out exactly match
what is already in an existing pack (either deltified or just
compressed). In such a case, we can just copy it instead of
going through the usual uncompressing & recompressing cycle.
Without this patch, in linux-2.6 repository with about 1500
loose objects and a single mega pack:
$ git-rev-list --objects v2.6.16-rc3 >RL
$ wc -l RL
184141 RL
$ time git-pack-objects p <RL
Generating pack...
Done counting 184141 objects.
Packing 184141 objects....................
a1fc7b3e537fcb9b3c46b7505df859f0a11e79d2
real 12m4.323s
user 11m2.560s
sys 0m55.950s
With this patch, the same input:
$ time ../git.junio/git-pack-objects q <RL
Generating pack...
Done counting 184141 objects.
Packing 184141 objects.....................
a1fc7b3e537fcb9b3c46b7505df859f0a11e79d2
Total 184141, written 184141, reused 182441
real 1m2.608s
user 0m55.090s
sys 0m1.830s
Signed-off-by: Junio C Hamano <junkio@cox.net>
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The real problem triggered an earlier fix was that an alternate
entry was pointing at a removed directory. Complaining on
object/pack directory that cannot be opendir-ed produces noise
in an ancient repository that does not have object/pack
directory and has never been packed.
Detect the real user error and report it. Also if opendir
failed for other reasons (e.g. no read permissions), report that
as well.
Spotted by Andrew Vasquez <andrew.vasquez@qlogic.com>.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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This will allow you to point GIT_DIR at directories with funny names.
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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* git://git.kernel.org/pub/scm/gitk/gitk:
gitk: Make "find" on "Files" work again.
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It was broken by the change to supply just the child id to
git-diff-tree rather than both child and parent.
Signed-off-by: Paul Mackerras <paulus@samba.org>
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* fix:
git-push: Update documentation to describe the no-refspec behavior.
format-patch: pretty-print timestamp correctly.
git-add: Add support for --, documentation, and test.
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It turns out that the git-push documentation didn't describe what it
would do when not given a refspec, (not on the command line, nor in a
remotes file). This is fairly important for the user who is trying to
understand operations such as:
git clone git://something/some/where
# hack, hack, hack
git push origin
I tracked the mystery behavior down to git-send-pack and lifted the
relevant portion of its documentation up to git-push, (namely that all
refs existing both locally and remotely are updated).
Signed-off-by: Carl Worth <cworth@cworth.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Perl is not C and does not truncate the division result. Arghh!
Signed-off-by: Junio C Hamano <junkio@cox.net>
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This adds support to git-add to allow the common -- to separate
command-line options and file names. It adds documentation and a new
git-add test case as well.
[jc: this should apply to 1.2.X maintenance series, so I reworked
git-ls-files --error-unmatch test. ]
Signed-off-by: Junio C Hamano <junkio@cox.net>
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* jc/perl:
cvsimport: avoid open "-|" list form for Perl 5.6
svnimport: avoid open "-|" list form for Perl 5.6
send-email: avoid open "-|" list form for Perl 5.6
rerere: avoid open "-|" list form for Perl 5.6
fmt-merge-msg: avoid open "-|" list form for Perl 5.6
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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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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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* jc/pack-reuse:
pack-objects: avoid delta chains that are too long.
git-repack: allow passing a couple of flags to pack-objects.
pack-objects: finishing touches.
pack-objects: reuse data from existing packs.
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This tries to rework the solution for the excess delta chain
problem. An earlier commit worked it around ``cheaply'', but
repeated repacking risks unbound growth of delta chains.
This version counts the length of delta chain we are reusing
from the existing pack, and makes sure a base object that has
sufficiently long delta chain does not get deltified.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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A new flag -q makes underlying pack-objects less chatty.
A new flag -f forces delta to be recomputed from scratch.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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This introduces --no-reuse-delta option to disable reusing of
existing delta, which is a large part of the optimization
introduced by this series. This may become necessary if
repeated repacking makes delta chain too long. With this, the
output of the command becomes identical to that of the older
implementation. But the performance suffers greatly.
It still allows reusing non-deltified representations; there is
no point uncompressing and recompressing the whole text.
It also adds a couple more statistics output, while squelching
it under -q flag, which the last round forgot to do.
$ time old-git-pack-objects --stdout >/dev/null <RL
Generating pack...
Done counting 184141 objects.
Packing 184141 objects....................
real 12m8.530s user 11m1.450s sys 0m57.920s
$ time git-pack-objects --stdout >/dev/null <RL
Generating pack...
Done counting 184141 objects.
Packing 184141 objects.....................
Total 184141, written 184141 (delta 138297), reused 178833 (delta 134081)
real 0m59.549s user 0m56.670s sys 0m2.400s
$ time git-pack-objects --stdout --no-reuse-delta >/dev/null <RL
Generating pack...
Done counting 184141 objects.
Packing 184141 objects.....................
Total 184141, written 184141 (delta 134833), reused 47904 (delta 0)
real 11m13.830s user 9m45.240s sys 0m44.330s
There is one remaining issue when --no-reuse-delta option is not
used. It can create delta chains that are deeper than specified.
A<--B<--C<--D E F G
Suppose we have a delta chain A to D (A is stored in full either
in a pack or as a loose object. B is depth1 delta relative to A,
C is depth2 delta relative to B...) with loose objects E, F, G.
And we are going to pack all of them.
B, C and D are left as delta against A, B and C respectively.
So A, E, F, and G are examined for deltification, and let's say
we decided to keep E expanded, and store the rest as deltas like
this:
E<--F<--G<--A
Oops. We ended up making D a bit too deep, didn't we? B, C and
D form a chain on top of A!
This is because we did not know what the final depth of A would
be, when we checked objects and decided to keep the existing
delta. Unfortunately, deferring the decision until just before
the deltification is not an option. To be able to make B, C,
and D candidates for deltification with the rest, we need to
know the type and final unexpanded size of them, but the major
part of the optimization comes from the fact that we do not read
the delta data to do so -- getting the final size is quite an
expensive operation.
To prevent this from happening, we should keep A from being
deltified. But how would we tell that, cheaply?
To do this most precisely, after check_object() runs, each
object that is used as the base object of some existing delta
needs to be marked with the maximum depth of the objects we
decided to keep deltified (in this case, D is depth 3 relative
to A, so if no other delta chain that is longer than 3 based on
A exists, mark A with 3). Then when attempting to deltify A, we
would take that number into account to see if the final delta
chain that leads to D becomes too deep.
However, this is a bit cumbersome to compute, so we would cheat
and reduce the maximum depth for A arbitrarily to depth/4 in
this implementation.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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When generating a new pack, notice if we have already needed
objects in existing packs. If an object is stored deltified,
and its base object is also what we are going to pack, then
reuse the existing deltified representation unconditionally,
bypassing all the expensive find_deltas() and try_deltas()
calls.
Also, notice if what we are going to write out exactly match
what is already in an existing pack (either deltified or just
compressed). In such a case, we can just copy it instead of
going through the usual uncompressing & recompressing cycle.
Without this patch, in linux-2.6 repository with about 1500
loose objects and a single mega pack:
$ git-rev-list --objects v2.6.16-rc3 >RL
$ wc -l RL
184141 RL
$ time git-pack-objects p <RL
Generating pack...
Done counting 184141 objects.
Packing 184141 objects....................
a1fc7b3e537fcb9b3c46b7505df859f0a11e79d2
real 12m4.323s
user 11m2.560s
sys 0m55.950s
With this patch, the same input:
$ time ../git.junio/git-pack-objects q <RL
Generating pack...
Done counting 184141 objects.
Packing 184141 objects.....................
a1fc7b3e537fcb9b3c46b7505df859f0a11e79d2
Total 184141, written 184141, reused 182441
real 1m2.608s
user 0m55.090s
sys 0m1.830s
Signed-off-by: Junio C Hamano <junkio@cox.net>
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* jc/nostat:
cache_name_compare() compares name and stage, nothing else.
"assume unchanged" git: documentation.
ls-files: split "show-valid-bit" into a different option.
"Assume unchanged" git: --really-refresh fix.
ls-files: debugging aid for CE_VALID changes.
"Assume unchanged" git: do not set CE_VALID with --refresh
"Assume unchanged" git
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The code was a bit unclear in expressing what it wants to compare.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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This updates documentation to describe the "assume unchanged"
behaviour.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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To preserve compatibility with scripts that expect uppercase
letters to be shown, do not make '-t' to unconditionally show
the valid bit. Introduce '-v' option for that.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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The earlier round failed to make --really-refresh to mark
up-to-date index entry to valid again due to a trivial thinko.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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This is not really part of the proposed updates for CE_VALID,
but with this change, ls-files -t shows CE_VALID paths with
lowercase tag letters instead of the usual uppercase. Useful
for checking out what is going on.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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When working with automatic assume-unchanged mode using
core.ignorestat, setting CE_VALID after --refresh makes things
more cumbersome to use. Consider this scenario:
(1) the working tree is on a filesystem with slow lstat(2).
The user sets core.ignorestat = true.
(2) "git checkout" to switch to a different branch (or initial
checkout) updates all paths and the index starts out with
"all clean".
(3) The user knows she wants to edit certain paths. She uses
update-index --no-assume-unchanged (we could call it --edit;
the name is inmaterial) to mark these paths and starts
editing.
(4) After editing half of the paths marked to be edited, she
runs "git status". This runs "update-index --refresh" to
reduce the false hits from diff-files.
(5) Now the other half of the paths, since she has not changed
them, are found to match the index, and CE_VALID is set on
them again.
For this reason, this commit makes update-index --refresh not to
set CE_VALID even after the path without CE_VALID are verified
to be up to date. The user still can run --really-refresh to
force lstat() to match the index entries to the reality.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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This adds "assume unchanged" logic, started by this message in the list
discussion recently:
<Pine.LNX.4.64.0601311807470.7301@g5.osdl.org>
This is a workaround for filesystems that do not have lstat()
that is quick enough for the index mechanism to take advantage
of. On the paths marked as "assumed to be unchanged", the user
needs to explicitly use update-index to register the object name
to be in the next commit.
You can use two new options to update-index to set and reset the
CE_VALID bit:
git-update-index --assume-unchanged path...
git-update-index --no-assume-unchanged path...
These forms manipulate only the CE_VALID bit; it does not change
the object name recorded in the index file. Nor they add a new
entry to the index.
When the configuration variable "core.ignorestat = true" is set,
the index entries are marked with CE_VALID bit automatically
after:
- update-index to explicitly register the current object name to the
index file.
- when update-index --refresh finds the path to be up-to-date.
- when tools like read-tree -u and apply --index update the working
tree file and register the current object name to the index file.
The flag is dropped upon read-tree that does not check out the index
entry. This happens regardless of the core.ignorestat settings.
Index entries marked with CE_VALID bit are assumed to be
unchanged most of the time. However, there are cases that
CE_VALID bit is ignored for the sake of safety and usability:
- while "git-read-tree -m" or git-apply need to make sure
that the paths involved in the merge do not have local
modifications. This sacrifices performance for safety.
- when git-checkout-index -f -q -u -a tries to see if it needs
to checkout the paths. Otherwise you can never check
anything out ;-).
- when git-update-index --really-refresh (a new flag) tries to
see if the index entry is up to date. You can start with
everything marked as CE_VALID and run this once to drop
CE_VALID bit for paths that are modified.
Most notably, "update-index --refresh" honours CE_VALID and does
not actively stat, so after you modified a file in the working
tree, update-index --refresh would not notice until you tell the
index about it with "git-update-index path" or "git-update-index
--no-assume-unchanged path".
This version is not expected to be perfect. I think diff
between index and/or tree and working files may need some
adjustment, and there probably needs other cases we should
automatically unmark paths that are marked to be CE_VALID.
But the basics seem to work, and ready to be tested by people
who asked for this feature.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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* js/portable:
Fix "gmake -j"
Really honour NO_PYTHON
avoid makefile override warning
Fixes for ancient versions of GNU make
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In my attempt to port git to IRIX, I broke it. Sorry.
Signed-off-by: Johannes E. Schindelin <Johannes.Schindelin@gmx.de>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Do not even test for subprocess (trying to execute python).
Signed-off-by: Johannes E. Schindelin <Johannes.Schindelin@gmx.de>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Signed-off-by: Johannes E. Schindelin <Johannes.Schindelin@gmx.de>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Some versions of GNU make do not understand $(call), and have problems to
interpret rules like this:
some_target: CFLAGS += -Dsome=defs
[jc: simplified substitution a bit. ]
Signed-off-by: Johannes E. Schindelin <Johannes.Schindelin@gmx.de>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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This patch address the below:
Use monospace font to draw branch and tag name
set the font size to 13.
Make the graph column resizable. This helps to accommodate large tag names
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@gmail.com>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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This fix the below bug
Junio C Hamano <junkio@cox.net> writes:
>
> It does not work in my repository, since you do not seem to
> handle branch and tag names with slashes in them. All of my
> topic branches live in directories with two-letter names
> (e.g. ak/gitview).
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@gmail.com>
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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s/upsteram/upstream in git-rebase.sh.
Signed-off-by: Jason Riedy <ejr@cs.berkeley.edu>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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