* cb/subtree-tests-update:
contrib/subtree: small tidy-up to test
contrib/subtree: fix broken &&-chains and revealed test error
contrib/subtree: use tabs consitently for indentation in tests
An ancient test framework enhancement to allow color was not
entirely correct; this makes it work even when tput needs to read
from the ~/.terminfo under the user's real HOME directory.
* rh/test-color-avoid-terminfo-in-original-home:
test-lib.sh: fix color support when tput needs ~/.terminfo
Revert "test-lib.sh: do tests for color support after changing HOME"
Documentation/branch: document -M and -D in terms of --force
Now that we have proper documentation for --force's interaction with -d
and -m, we can avoid duplication and consider -M and -D as convenience
aliases for -m --force and -d --force.
Signed-off-by: Matthieu Moy <Matthieu.Moy@imag.fr> Signed-off-by: Junio C Hamano <gitster@pobox.com>
When c6458e60 (index-pack: kill union delta_base to save memory,
2015-04-18) attempted to reduce the memory footprint of index-pack,
one of the key thing it did was to keep track of ref-deltas and
ofs-deltas separately.
In fix_unresolved_deltas(), however it forgot that it now wants to
look only at ref deltas in one place. The code allocated an array
for nr_unresolved, which is sum of number of ref- and ofs-deltas
minus nr_resolved, which may be larger or smaller than the number
ref-deltas. Depending on nr_resolved, this was either under or over
allocating.
Also, the old code before this change had to use 'i' and 'n' because
some of the things we see in the (old) deltas[] array we scanned
with 'i' would not make it into the sorted_by_pos[] array in the old
world order, but now because you have only ref delta in a separate
ref_deltas[] array, they increment lock&step. We no longer need
separate variables. And most importantly, we shouldn't pass the
nr_unresolved parameter, as this number does not play a role in the
working of this helper function.
Helped-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
"git fetch --depth=<depth>" and "git clone --depth=<depth>" issued
a shallow transfer request even to an upload-pack that does not
support the capability.
* me/fetch-into-shallow-safety:
fetch-pack: check for shallow if depth given
rev-list: disable --use-bitmap-index when pruning commits
The reachability bitmaps do not have enough information to
tell us which commits might have changed path "foo", so the
current code produces wrong answers for:
git rev-list --use-bitmap-index --count HEAD -- foo
(it silently ignores the "foo" limiter). Instead, we should
fall back to doing a normal traversal (it is OK to fall
back rather than complain, because --use-bitmap-index is a
pure optimization, and might not kick in for other reasons,
such as there being no bitmaps in the repository).
Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Add tests for wildcard "path vs ref" disambiguation
Commit 28fcc0b (pathspec: avoid the need of "--" when wildcard is used -
2015-05-02) changes how the disambiguation rules work. This patch adds
some tests to demonstrate, basically, if wildcard characters are in an
argument:
- if the argument is valid extended sha-1 syntax, "--" must be used
- otherwise the argument is considered a path, even without "--"
And wildcard can appear in extended sha-1 syntax, either as part of
regex in ":/<regex>" or as the literal path in ":<path>". The latter
case is less likely to happen in real world. But if you do ":/" a lot,
you may need to type "--" more.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Merge branch 'jk/make-fix-dependencies' into maint
Build clean-up.
* jk/make-fix-dependencies:
Makefile: silence perl/PM.stamp recipe
Makefile: avoid timestamp updates to GIT-BUILD-OPTIONS
Makefile: drop dependency between git-instaweb and gitweb
There was a dead code that used to handle "git pull --tags" and
show special-cased error message, which was made irrelevant when
the semantics of the option changed back in Git 1.9 days.
* pt/pull-tags-error-diag:
pull: remove --tags error in no merge candidates case
Merge branch 'jk/diagnose-config-mmap-failure' into maint
The configuration reader/writer uses mmap(2) interface to access
the files; when we find a directory, it barfed with "Out of memory?".
* jk/diagnose-config-mmap-failure:
xmmap(): drop "Out of memory?"
config.c: rewrite ENODEV into EISDIR when mmap fails
config.c: avoid xmmap error messages
config.c: fix mmap leak when writing config
read-cache.c: drop PROT_WRITE from mmap of index
Merge branch 'jk/squelch-missing-link-warning-for-unreachable' into maint
Recent "git prune" traverses young unreachable objects to safekeep
old objects in the reachability chain from them, which sometimes
caused error messages that are unnecessarily alarming.
* jk/squelch-missing-link-warning-for-unreachable:
suppress errors on missing UNINTERESTING links
silence broken link warnings with revs->ignore_missing_links
add quieter versions of parse_{tree,commit}
Merge branch 'mm/rebase-i-post-rewrite-exec' into maint
"git rebase -i" fired post-rewrite hook when it shouldn't (namely,
when it was told to stop sequencing with 'exec' insn).
* mm/rebase-i-post-rewrite-exec:
t5407: use <<- to align the expected output
rebase -i: fix post-rewrite hook with failed exec command
rebase -i: demonstrate incorrect behavior of post-rewrite
The improved ARRAY_SIZE macro uses BARF_UNLESS_AN_ARRAY which expands
to a valid check for recent gcc versions and to 0 for older gcc
versions but is not defined on non-gcc builds.
Non-gcc builds need this macro to expand to 0 as well. The current outer
test (defined(__GNUC__) && (__GNUC__ >= 3)) is a strictly weaker
condition than the inner test (GIT_GNUC_PREREQ(3, 1)) so we can omit the
outer test and cause the BARF_UNLESS_AN_ARRAY macro to be defined
correctly on non-gcc builds as well as gcc builds with older versions.
Signed-off-by: Charles Bailey <cbailey32@bloomberg.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
More Perforce row number limit workaround for "git p4".
* ld/p4-changes-block-size:
git-p4: fixing --changes-block-size handling
git-p4: add tests for non-numeric revision range
git-p4: test with limited p4 server results
git-p4: additional testing of --changes-block-size
"git for-each-ref" reported "missing object" for 0{40} when it
encounters a broken ref. The lack of object whose name is 0{40} is
not the problem; the ref being broken is.
* mh/reporting-broken-refs-from-for-each-ref:
read_loose_refs(): treat NULL_SHA1 loose references as broken
read_loose_refs(): simplify function logic
for-each-ref: report broken references correctly
t6301: new tests of for-each-ref error handling
Various fixes around "git am" that applies a patch to a history
that is not there yet.
* pt/am-abort-fix:
am --abort: keep unrelated commits on unborn branch
am --abort: support aborting to unborn branch
am --abort: revert changes introduced by failed 3way merge
am --skip: support skipping while on unborn branch
am -3: support 3way merge on unborn branch
am --skip: revert changes introduced by failed 3way merge
Traditionally, external low-level 3-way merge drivers are expected
to produce their results based solely on the contents of the three
variants given in temporary files named by %O, %A and %B on their
command line. Additionally allow them to look at the final path
(given by %P).
* jc/ll-merge-expose-path:
ll-merge: pass the original path to external drivers
"git apply" cannot diagnose a patch corruption when the breakage is
to mark the length of the hunk shorter than it really is on the
hunk header line "@@ -l,k +m,n @@"; one special case it could is
when the hunk becomes no-op (e.g. k == n == 2 for two-line context
patch output), and it learned how to do so.
* jc/apply-reject-noop-hunk:
apply: reject a hunk that does not do anything
It turns out that many other commands that need to interact with the
result of running diff-files and diff-index, e.g. "git apply", "git
rm", etc., need to be adjusted to the new world order it brings in.
For example, it would break this sequence to correct a whitespace
breakage in the parts you changed:
In the old world order, "diff" showed a patch to modify an existing
empty file by adding its full contents, and "apply" updated the
index by modifying the existing empty blob (which is what an
Intent-to-Add entry records in the index) with that patch.
In the new world order, "diff" shows a patch to create a new file
with its full contents, but because "apply" thinks that the i-t-a
entry already exists in the index, it refused to accept a creation.
Adjusting "apply" to this new world order is easy, but we need to
assess the extent of the damage to the rest of the system the new
world order brought in before going forward and adjust them all,
after which we can resurrect the commit being reverted here.
contrib/subtree: fix broken &&-chains and revealed test error
This fixes two instances where a &&-chain was broken in the subtree
tests and fixes a test error that was revealed because of this.
Many tests in t7900-subtree.sh make a commit and then use 'undo' to
reset the state for the next test. In the 'check hash of split' test,
an 'undo' was being invoked after a 'subtree split' even though the
particular invocation of 'subtree split' did not actually make a commit.
The subsequent check_equal was failing, but this failure was masked by
that broken &&-chain.
Removing this undo causes the failing check_equal to succeed but breaks
the a check_equal later on in the same test.
It turns out that an earlier test ('check if --message for merge works
with squash too') makes a commit but doesn't 'undo' to the state
expected by the remaining tests. None of the intervening tests cared
enough about the state of the test repo to fail and the spurious 'undo'
in 'check hash of split' restored the expected state for any remaining
test that might care.
Adding the missing 'undo' to 'check if --message for merge works
with squash too' and removing the spurious one from 'check hash of
split' fixes all tests once the &&-chains are completed.
Signed-off-by: Charles Bailey <cbailey32@bloomberg.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
contrib/subtree: use tabs consitently for indentation in tests
Although subtrees tests uses more spaces for indentation than tabs,
there are still quite a lot of lines indented with tabs. As tabs conform
with Git coding guidelines resolve the inconsistency in favour of tabs.
Signed-off-by: Charles Bailey <cbailey32@bloomberg.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
for_each_packed_object: automatically open pack index
When for_each_packed_object is called, we call
prepare_packed_git() to make sure we have the actual list of
packs. But the latter does not actually open the pack
indices, meaning that pack->nr_objects may simply be 0 if
the pack has not otherwise been used since the program
started.
In practice, this didn't come up for the current callers,
because they iterate the packed objects only after iterating
all reachable objects (so for it to matter you would have to
have a pack consisting only of unreachable objects). But it
is a dangerous and confusing interface that should be fixed
for future callers.
Note that we do not end the iteration when a pack cannot be
opened, but we do return an error. That lets you complete
the iteration even in actively-repacked repository where an
.idx file may racily go away, but it also lets callers know
that they may not have gotten the complete list (which the
current reachability-check caller does care about).
We have to tweak one of the prune tests due to the changed
return value; an earlier test creates bogus .idx files and
does not clean them up. Having to make this tweak is a good
thing; it means we will not prune in a broken repository,
and the test confirms that we do not negatively impact a
more lenient caller, count-objects.
Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
When no diff nor merge tool is specified (config, option), mergetool-lib
is supposed to choose a default tool from a set of tools. That set is
constructed dynamically depending on the environment (graphical, editor
setting) as a space separated string of tool names.
719518f (mergetool--lib: set IFS for difftool and mergetool, 2015-05-20)
introduced a newline as IFS which breaks the parsing of the space
separated list into items, resulting in a failed search for an available
tool.
Set IFS to a space locally for the tool search.
Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
test-lib.sh: fix color support when tput needs ~/.terminfo
If tput needs ~/.terminfo for the current $TERM, then tput will
succeed before HOME is changed to $TRASH_DIRECTORY (causing color to
be set to 't') but fail afterward.
One possible way to fix this is to treat HOME like TERM: back up the
original value and temporarily restore it before say_color() runs
tput.
Instead, pre-compute and save the color control sequences before
changing either TERM or HOME. Use the saved control sequences in
say_color() rather than call tput each time. This avoids the need to
back up and restore the TERM and HOME variables, and it avoids the
overhead of a subshell and two invocations of tput per call to
say_color().
Signed-off-by: Richard Hansen <rhansen@bbn.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
docs: clarify that --encoding can produce invalid sequences
In the common case that the commit encoding matches the
output encoding, we do not touch the buffer at all, which
makes things much more efficient. But it might be unclear to
a consumer that we will pass through bogus sequences.
Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
When a repository is first fetched as a shallow clone, either by
git-clone or by fetching into an empty repo, the server's capabilities
are not currently consulted. The client will send shallow requests even
if the server does not understand them, and the resulting error may be
unhelpful to the user. This change pre-emptively checks so we can exit
with a helpful error if necessary.
Signed-off-by: Mike Edgar <adgar@google.com> Reviewed-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Merge branch 'jk/http-backend-deadlock' into maint
Communication between the HTTP server and http_backend process can
lead to a dead-lock when relaying a large ref negotiation request.
Diagnose the situation better, and mitigate it by reading such a
request first into core (to a reasonable limit).
* jk/http-backend-deadlock:
http-backend: spool ref negotiation requests to buffer
t5551: factor out tag creation
http-backend: fix die recursion with custom handler
Merge branch 'jh/filter-empty-contents' into maint
The clean/smudge interface did not work well when filtering an
empty contents (failed and then passed the empty input through).
It can be argued that a filter that produces anything but empty for
an empty input is nonsense, but if the user wants to do strange
things, then why not?
* jh/filter-empty-contents:
sha1_file: pass empty buffer to index empty file
* jk/make-fix-dependencies:
Makefile: silence perl/PM.stamp recipe
Makefile: avoid timestamp updates to GIT-BUILD-OPTIONS
Makefile: drop dependency between git-instaweb and gitweb