| Commit message (Collapse) | Author | Age | Files | Lines |
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Fetching from a shallow-cloned repository used to be forbidden,
primarily because the codepaths involved were not carefully vetted
and we did not bother supporting such usage. This attempts to allow
object transfer out of a shallow-cloned repository in a controlled
way (i.e. the receiver become a shallow repository with truncated
history).
* nd/shallow-clone: (31 commits)
t5537: fix incorrect expectation in test case 10
shallow: remove unused code
send-pack.c: mark a file-local function static
git-clone.txt: remove shallow clone limitations
prune: clean .git/shallow after pruning objects
clone: use git protocol for cloning shallow repo locally
send-pack: support pushing from a shallow clone via http
receive-pack: support pushing to a shallow clone via http
smart-http: support shallow fetch/clone
remote-curl: pass ref SHA-1 to fetch-pack as well
send-pack: support pushing to a shallow clone
receive-pack: allow pushes that update .git/shallow
connected.c: add new variant that runs with --shallow-file
add GIT_SHALLOW_FILE to propagate --shallow-file to subprocesses
receive/send-pack: support pushing from a shallow clone
receive-pack: reorder some code in unpack()
fetch: add --update-shallow to accept refs that update .git/shallow
upload-pack: make sure deepening preserves shallow roots
fetch: support fetching from a shallow repository
clone: support remote shallow repository
...
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Commit 48d25ca adds a new commit "7" to the repo that the next test case
in commit 1609488 clones from. But the next test case does not expect
this commit. For these tests, it's the bottom that's important, not
the top. Fix the expected commit list.
While at it, fix the default http port number to 5537. Otherwise when
t5536 learns to test httpd, running test in parallel may fail.
References:
48d25ca fetch: add --update-shallow to accept... - 2013-12-05
1609488 smart-http: support shallow fetch/clone - 2013-12-05
Noticed-by: Jeff King <peff@peff.net>
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This patch teaches "prune" to remove shallow roots that are no longer
reachable from any refs (e.g. when the relevant refs are removed).
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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clone_local() does not handle $SRC/shallow. It could be made so, but
it's simpler to use fetch-pack/upload-pack instead.
This used to be caught by the check in upload-pack, which is triggered
by transport_get_remote_refs(), even in local clone case. The check is
now gone and check_everything_connected() should catch the result
incomplete repo. But check_everything_connected() will soon be skipped
in local clone case, opening a door to corrupt repo. This patch should
close that door.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The basic 8 steps to update .git/shallow does not fully apply here
because the user may choose to accept just a few refs (while fetch
always accepts all refs). The steps are modified a bit.
1-6. same as before. After calling assign_shallow_commits_to_refs at
step 6, each shallow commit has a bitmap that marks all refs that
require it.
7. mark all "ours" shallow commits that are reachable from any
refs. We will need to do the original step 7 on them later.
8. go over all shallow commit bitmaps, mark refs that require new
shallow commits.
9. setup a strict temporary shallow file to plug all the holes, even
if it may cut some of our history short. This file is used by all
hooks. The hooks could use --shallow-file=$GIT_DIR/shallow to
overcome this and reach everything in current repo.
10. go over the new refs one by one. For each ref, do the reachability
test if it needs a shallow commit on the list from step 7. Remove
it if it's reachable from our refs. Gather all required shallow
commits, run check_everything_connected() with the new ref, then
install them to .git/shallow.
This mode is disabled by default and can be turned on with
receive.shallowupdate
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The same steps are done as in when --update-shallow is not given. The
only difference is we now add all shallow commits in "ours" and
"theirs" to .git/shallow (aka "step 8").
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When "fetch --depth=N" where N exceeds the longest chain of history in
the source repo, usually we just send an "unshallow" line to the
client so full history is obtained.
When the source repo is shallow we need to make sure to "unshallow"
the current shallow point _and_ "shallow" again when the commit
reaches its shallow bottom in the source repo.
This should fix both cases: large <N> and --unshallow.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This patch just put together pieces from the 8 steps patch. We stop at
step 7 and reject refs that require new shallow commits.
Note that, by rejecting refs that require new shallow commits, we
leave dangling objects in the repo, which become "object islands" by
the next "git fetch" of the same source.
If the first fetch our "ours" set is zero and we do practically
nothing at step 7, "ours" is full at the next fetch and we may need to
walk through commits for reachability test. Room for improvement.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* jk/t5531-prepare-to-default-to-non-matching:
t5531: further "matching" fixups
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Commit 43eb920 switched one of the sub-repository in this
test to matching to prepare for a world where the default
becomes "simple". However, the main repository needs a
similar change.
We did not notice any test failure when merged with b2ed944
(push: switch default from "matching" to "simple", 2013-01-04)
because t5531.6 is trying to provoke a failure of "git push"
due to a submodule check. When combined with b2ed944 the
push still fails, but for the wrong reason (because our
upstream setup does not exist, not because of the submodule).
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Finishing touches to avoid casting unnecessary detail in stone.
* sb/diff-orderfile-config:
diff test: reading a directory as a file need not error out
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There is no guarantee that strbuf_read_file must error out for
directories. On some operating systems (e.g., Debian GNU/kFreeBSD
wheezy), reading a directory gives its raw content:
$ head -c5 < / | cat -A
^AM-|^_^@^L$
As a result, 'git diff -O/' succeeds instead of erroring out on
these systems, causing t4056.5 "orderfile is a directory" to fail.
On some weird OS it might even make sense to pass a directory to the
-O option and this is not a common user mistake that needs catching.
Remove the test.
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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With a submodule that was initialized in an old fashioned way
without gitlinks, switching branches in the superproject between
the one with and without the submodule may leave the submodule
working tree with its embedded repository behind, as there may be
unexpendable state there. Document and warn users about this.
* jl/submodule-mv-checkout-caveat:
rm: better document side effects when removing a submodule
mv: better document side effects when moving a submodule
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The "Submodules" section of the "git rm" documentation mentions what will
happen when a submodule with a gitfile gets removed with newer git. But it
doesn't talk about what happens when the user changes between commits
before and after the removal, which does not remove the submodule from the
work tree like using the rm command did the first time.
Explain what happens and what the user has to do manually to fix that in
the new BUGS section. Also document this behavior in a new test.
Signed-off-by: Jens Lehmann <Jens.Lehmann@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The "Submodules" section of the "git mv" documentation mentions what will
happen when a submodule with a gitfile gets moved with newer git. But it
doesn't talk about what happens when the user changes between commits
before and after the move, which does not update the work tree like using
the mv command did the first time.
Explain what happens and what the user has to do manually to fix that in
the new BUGS section. Also document this behavior in a new test.
Reported-by: George Papanikolaou <g3orge.app@gmail.com>
Signed-off-by: Jens Lehmann <Jens.Lehmann@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Finishing touches.
* jk/pull-rebase-using-fork-point:
rebase: fix fork-point with zero arguments
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When no arguments are specified, $switch_to is empty so we end up
passing the empty string to "git merge-base --fork-point", which causes
an error. git-rebase carries on at this point, but in fact we have
failed to apply the fork-point operation.
It turns out that the test in t3400 that was meant to test this didn't
actually need the fork-point behaviour, so enhance it to make sure that
the fork-point is applied correctly. The modified test fails without
the change to git-rebase.sh in this patch.
Reported-by: Andreas Krey <a.krey@gmx.de>
Signed-off-by: John Keeping <john@keeping.me.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The implementation of 'git stash $cmd "stash@{...}"' did not quote
the stash argument properly and left it split at IFS whitespace.
* ow/stash-with-ifs:
stash: handle specifying stashes with $IFS
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When trying to pop/apply a stash specified with an argument
containing IFS whitespace, git-stash will throw an error:
$ git stash pop 'stash@{two hours ago}'
Too many revisions specified: stash@{two hours ago}
This happens because word splitting is used to count non-option
arguments. Make use of rev-parse's --sq option to quote the arguments
for us to ensure a correct count. Add quotes where necessary.
Also add a test that verifies correct behaviour.
Helped-by: Thomas Rast <tr@thomasrast.ch>
Signed-off-by: Øystein Walle <oystwa@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Just like we give a reasonable default for "less" via the LESS
environment variable, specify a reasonable default for "lv" via the
"LV" environment variable when spawning the pager.
* jn/pager-lv-default-env:
pager: set LV=-c alongside LESS=FRSX
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On systems with lv configured as the preferred pager (i.e.,
DEFAULT_PAGER=lv at build time, or PAGER=lv exported in the
environment) git commands that use color show control codes instead of
color in the pager:
$ git diff
^[[1mdiff --git a/.mailfilter b/.mailfilter^[[m
^[[1mindex aa4f0b2..17e113e 100644^[[m
^[[1m--- a/.mailfilter^[[m
^[[1m+++ b/.mailfilter^[[m
^[[36m@@ -1,11 +1,58 @@^[[m
"less" avoids this problem because git uses the LESS environment
variable to pass the -R option ('output ANSI color escapes in raw
form') by default. Use the LV environment variable to pass 'lv' the
-c option ('allow ANSI escape sequences for text decoration / color')
to fix it for lv, too.
Noticed when the default value for color.ui flipped to 'auto' in
v1.8.4-rc0~36^2~1 (2013-06-10).
Reported-by: Olaf Meeuwissen <olaf.meeuwissen@avasys.jp>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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There is no reason to have a hardcoded upper limit of the number of
parents for an octopus merge, created via the graft mechanism.
* js/lift-parent-count-limit:
Remove the line length limit for graft files
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Support for grafts predates Git's strbuf, and hence it is understandable
that there was a hard-coded line length limit of 1023 characters (which
was chosen a bit awkwardly, given that it is *exactly* one byte short of
aligning with the 41 bytes occupied by a commit name and the following
space or new-line character).
While regular commit histories hardly win comprehensibility in general
if they merge more than twenty-two branches in one go, it is not Git's
business to limit grafts in such a way.
In this particular developer's case, the use case that requires
substantially longer graft lines to be supported is the visualization of
the commits' order implied by their changes: commits are considered to
have an implicit relationship iff exchanging them in an interactive
rebase would result in merge conflicts.
Thusly implied branches tend to be very shallow in general, and the
resulting thicket of implied branches is usually very wide; It is
actually quite common that *most* of the commits in a topic branch have
not even one implied parent, so that a final merge commit has about as
many implied parents as there are commits in said branch.
[jc: squashed in tests by Jonathan]
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The basic test used to leave unnecessary trash directories in the
t/ directory.
* jk/test-framework-updates:
t0000: drop "known breakage" test
t0000: simplify HARNESS_ACTIVE hack
t0000: set TEST_OUTPUT_DIRECTORY for sub-tests
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Having a simulated "known breakage" test means that the test
suite will always tell us there is a bug to be fixed, even
though it is only simulated.
The right way to test this is in a sub-test, that can also
check that we provide the correct exit status and output.
Fortunately, we already have such a test (added much later
by 5ebf89e).
We could arguably get rid of the simulated success test
immediately above, as well, as it is also redundant with the
tests added in 5ebf89e. However, it does not have the
annoying behavior of the "known breakage" test. It may also
be easier to debug if the test suite is truly broken, since
it is not a test-within-a-test, as the later tests are.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Commit 517cd55 set HARNESS_ACTIVE unconditionally in
sub-tests, because that value affects the output of
"--verbose". t0000 needs stable output from its sub-tests,
and we may or may not be running under a TAP harness.
That commit made the decision to always set the variable,
since it has another useful side effect, which is
suppressing writes to t/test-results by the sub-tests (which
would just pollute the real results).
Since the last commit, though, the sub-tests have their own
test-results directories, so this is no longer an issue. We
can now update a few comments that are no longer accurate
nor necessary.
We can also revisit the choice of HARNESS_ACTIVE. Since we
must choose one value for stability, it's probably saner to
have it off. This means that future patches could test
things like the test-results writing, or the "--quiet"
option, which is currently ignored when run under a harness.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Running t0000 produces more trash directories than expected and does
not clean up after itself:
$ ./t0000-basic.sh
[...]
$ ls -d trash\ directory.*
trash directory.failing-cleanup
trash directory.mixed-results1
trash directory.mixed-results2
trash directory.partial-pass
trash directory.test-verbose
trash directory.test-verbose-only-2
These scratch areas for sub-tests should be under the t0000 trash
directory, but because TEST_OUTPUT_DIRECTORY defaults to
TEST_DIRECTORY, which is exported to help sub-tests find
test-lib.sh, the sub-test trash directories are created under the
toplevel t/ directory instead. Because some of the sub-tests
simulate failures, their trash directories are kept around.
Fix it by explicitly setting TEST_OUTPUT_DIRECTORY appropriately for
sub-tests.
An alternative fix would be to pass the --root parameter that only
specifies where to put the trash directories, which would also work.
However, using TEST_OUTPUT_DIRECTORY is more futureproof in case
tests want to write more output in addition to the test-results/
(which are already suppressed in sub-tests using the HARNESS_ACTIVE
setting) and trash directories.
This fixes a regression introduced by 38b074d (t/test-lib.sh: fix
TRASH_DIRECTORY handling, 2013-04-14). Before that commit, the
TEST_OUTPUT_DIRECTORY setting was not respected consistently so most
tests did their work in a "trash" subdirectory of the current
directory instead of the output dir.
Signed-off-by: Jeff King <peff@peff.net>
Clarified-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git am --abort" sometimes complained about not being able to write
a tree with an 0{40} object in it.
* jk/two-way-merge-corner-case-fix:
t1005: add test for "read-tree --reset -u A B"
t1005: reindent
unpack-trees: fix "read-tree -u --reset A B" with conflicted index
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"git cat-file --batch-check=ok" did not check the existence of the
named object.
* sb/sha1-loose-object-info-check-existence:
sha1_loose_object_info(): do not return success on missing object
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"git diff -- ':(icase)makefile'" was unnecessarily rejected at the
command line parser.
* nd/magic-pathspec:
diff: restrict pathspec limitations to diff b/f case only
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"git merge-base --octopus" used to leave cleaning up suboptimal
result to the caller, but now it does the clean-up itself.
* bm/merge-base-octopus-dedup:
merge-base --octopus: reduce the result from get_octopus_merge_bases()
merge-base: separate "--independent" codepath into its own helper
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Scripts that use "merge-base --octopus" could do the reducing
themselves, but most of them are expected to want to get the reduced
results without having to do any work themselves.
Tests are taken from a message by Василий Макаров
<einmalfel@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
---
We might want to vet the existing callers of the underlying
get_octopus_merge_bases() and find out if _all_ of them are doing
anything extra (like deduping) because the machinery can return
duplicate results. And if that is the case, then we may want to
move the dedupling down the callchain instead of having it here.
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Using the same username and password during the tests would not
catch a potential breakage of sending one when we should be sending
the other.
* jk/http-auth-tests-robustify:
use distinct username/password for http auth tests
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The httpd server we set up to test git's http client code
knows about a single account, in which both the username and
password are "user@host" (the unusual use of the "@" here is
to verify that we handle the character correctly when URL
escaped).
This means that we may miss a certain class of errors in
which the username and password are mixed up internally by
git. We can make our tests more robust by having distinct
values for the username and password.
In addition to tweaking the server passwd file and the
client URL, we must teach the "askpass" harness to accept
multiple values. As a bonus, this makes the setup of some
tests more obvious; when we are expecting git to ask
only about the password, we can seed the username askpass
response with a bogus value.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Teach "cat-file --batch" to show delta-base object name for a
packed object that is represented as a delta.
* jk/oi-delta-base:
cat-file: provide %(deltabase) batch format
sha1_object_info_extended: provide delta base sha1s
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It can be useful for debugging or analysis to see which
objects are stored as delta bases on top of others. This
information is available by running `git verify-pack`, but
that is extremely expensive (and is harder than necessary to
parse).
Instead, let's make it available as a cat-file query format,
which makes it fast and simple to get the bases for a subset
of the objects.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git add -A" (no other arguments) in a totally empty working tree
used to emit an error.
* nd/add-empty-fix:
add: don't complain when adding empty project root
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This behavior was added in 07d7bed (add: don't complain when adding
empty project root - 2009-04-28) then broken by 84b8b5d (remove
match_pathspec() in favor of match_pathspec_depth() -
2013-07-14). Reinstate it.
Noticed-by: Thomas Ferris Nicolaisen <tfnico@gmail.com>
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Fetching 'frotz' branch with "git fetch", while having
'frotz/nitfol' remote-tracking branch from an earlier fetch, would
error out, primarily because the command has not been told to
remove anything on our side. In such a case, "git fetch --prune"
can be used to remove 'frotz/nitfol' to make room to fetch and
store 'frotz' remote-tracking branch.
* tm/fetch-prune:
fetch --prune: Run prune before fetching
fetch --prune: always print header url
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When we have a remote-tracking branch named "frotz/nitfol" from a
previous fetch, and the upstream now has a branch named "frotz",
fetch would fail to remove "frotz/nitfol" with a "git fetch --prune"
from the upstream. git would inform the user to use "git remote
prune" to fix the problem.
Change the way "fetch --prune" works by moving the pruning operation
before the fetching operation. This way, instead of warning the user
of a conflict, it autmatically fixes it.
Signed-off-by: Tom Miller <jackerran@gmail.com>
Tested-by: Thomas Rast <tr@thomasrast.ch>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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If "fetch --prune" is run with no new refs to fetch, but it has refs
to prune. Then, the header url is not printed as it would if there were
new refs to fetch.
Output before this patch:
$ git fetch --prune remote-with-no-new-refs
x [deleted] (none) -> origin/world
Output after this patch:
$ git fetch --prune remote-with-no-new-refs
From https://github.com/git/git
x [deleted] (none) -> origin/test
Signed-off-by: Tom Miller <jackerran@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Allow "git diff -O<file>" to be configured with a new configuration
variable.
* sb/diff-orderfile-config:
diff: add diff.orderfile configuration variable
diff: let "git diff -O" read orderfile from any file and fail properly
t4056: add new tests for "git diff -O"
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diff.orderfile acts as a default for the -O command line option.
[sb: split up aw's original patch; rework tests and docs, treat option
as pathname]
Signed-off-by: Anders Waldenborg <anders@0x63.nu>
Signed-off-by: Samuel Bronson <naesten@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The -O flag really shouldn't silently fail to do anything when given
a path that it can't read from.
However, it should be able to read from un-mmappable files, such as:
* pipes/fifos
* /dev/null: It's a character device (at least on Linux)
* ANY empty file:
Quoting Linux mmap(2), "SUSv3 specifies that mmap() should fail if
length is 0. However, in kernels before 2.6.12, mmap() succeeded in
this case: no mapping was created and the call returned addr. Since
kernel 2.6.12, mmap() fails with the error EINVAL for this case."
We especially want "-O/dev/null" to work, since we will be documenting
it as the way to cancel "diff.orderfile" when we add that.
(Note: "-O/dev/null" did have the right effect, since the existing error
handling essentially worked out to "silently ignore the orderfile". But
this was probably more coincidence than anything else.)
So, lets toss all of that logic to get the file mmapped and just use
strbuf_read_file() instead, which gives us decent error handling
practically for free.
Signed-off-by: Samuel Bronson <naesten@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Adapted from $gmane/236427 by Anders Waldenborg, "diff: Add
diff.orderfile configuration variable".
Signed-off-by: Anders Waldenborg <anders@0x63.nu>
Signed-off-by: Samuel Bronson <naesten@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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