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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* jc/maint-mergetool-style-fix:
mergetool: style fixes
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This script is one of the sizeable ones that tempted people to copy
its "neibouring style" in their new code, but was littered with
styles incompatible with our style guide.
- use one tab, not four spaces, per indent level;
- long lines can be wrapped after '|', '&&', or '||' for
readability.
- structures like "if .. then .. else .. fi", "while .. do .. done"
are split into lines in such a way that does not require
unnecessary semicolon.
- case, esac and case-arms align at the same column.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* sz/submodule-force-update:
Make 'git submodule update --force' always check out submodules.
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Currently, it will only do a checkout if the sha1 registered in the containing
repository doesn't match the HEAD of the submodule, regardless of whether the
submodule is dirty. As discussed on the mailing list, the '--force' flag is a
strong indicator that the state of the submodule is suspect, and should be reset
to HEAD.
Signed-off-by: Stefan Zager <szager@google.com>
Acked-by: Jens Lehmann <Jens.Lehmann@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* ph/stash-rerere:
stash: invoke rerere in case of conflict
test: git-stash conflict sets up rerere
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"stash apply" directly calls a backend merge function which does not
automatically invoke rerere. This confuses mergetool when leftover
rerere state is left behind from previous merges.
Invoke rerere explicitly when we encounter a conflict during stash
apply. This turns the test introduced by the previous commit to
succeed.
Signed-off-by: Phil Hord <hordp@cisco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add a test to make sure that a conflicted "stash apply" invokes
rerere to record the conflicts and resolve the the files it can
(the current code doesn't, so the test is marked as failing).
Without correct state recorded for rerere, mergetool may be
confused, causing it to think no files have conflicts even though
they do. This condition is not verified by this test since a
subsequent commit will change the behavior to enable rerere for
stash conflicts.
Also, the next test expected us to finish up with a reset, which is
impossible to do if we fail (as we must) and it's an unreasonable
expectation anyway. Begin the next test with a reset of its own
instead.
Signed-off-by: Phil Hord <hordp@cisco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* jc/maint-sane-execvp-notdir:
sane_execvp(): ignore non-directory on $PATH
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When you have a non-directory on your PATH, a funny thing happens:
$ PATH=$PATH:/bin/sh git foo
fatal: cannot exec 'git-foo': Not a directory?
Worse yet, as real commands always take precedence over aliases,
this behaviour interacts rather badly with them:
$ PATH=$PATH:/bin/sh git -c alias.foo=show git foo -s
fatal: cannot exec 'git-foo': Not a directory?
This is because an ENOTDIR error from the underlying execvp(2) is
reported back to the caller of our sane_execvp() wrapper as-is.
Translating it to ENOENT, just like the case where we _might_ have
the command in an unreadable directory, fixes it. Without an alias,
we would get
git: 'foo' is not a git command. See 'git --help'.
and we use the 'foo' alias when it is available, of course.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* jc/maint-config-exit-status:
config: "git config baa" should exit with status 1
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We instead failed with an undocumented exit status 255.
Also define a "catch-all" status and document it.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* mh/maint-config-doc-proxy-command:
git-config doc: unconfuse an example
git-config.txt: fix example
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One fictitious command "proxy-command" is enclosed inside a double
quote pair, while another fictitious command "default-proxy" is not
in the example, but the quoting does not change anything in the pair
of examples. Remove the quotes to avoid unnecessary confusion.
Noticed by Michael Haggerty.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The "--add" option is required to add a new value to a multivalued
configuration entry.
Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* hv/submodule-path-unmatch:
Let submodule command exit with error status if path does not exist
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Various subcommands of the "git submodule" command exited with 0
status even though the path given by the user did not exist.
The reason behind that was that they all pipe the output of
module_list into the while loop which then does the action on the
paths specified by the commandline. Since the exit code of the
command on the upstream side of the pipe is ignored by the shell,
the status code of "ls-files --error-unmatch" nor "module_list" was
not propagated.
In case ls-files returns with an error code, we write a special
string that is not possible in non error situations, and no other
output, so that the downstream can detect the error and die with an
error code.
The error message that there is an unmatched pathspec comes through
stderr directly from ls-files. So the user still gets a hint whats going
on.
Signed-off-by: Heiko Voigt <hvoigt@hvoigt.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* mz/empty-rebase-test:
add tests for 'git rebase --keep-empty'
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Add test cases for 'git rebase --keep-empty' with and without an
"empty" commit already in upstream. The empty commit that is about to
be rebased should be kept in both cases.
Signed-off-by: Martin von Zweigbergk <martin.von.zweigbergk@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* jk/docs-docbook-monospace-display:
docs: monospace listings in docbook output
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When asciidoc converts a listing block like:
----------------------
$ git log --merge
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it marks it to be displayed in a monospace font. This works
fine when generating HTML output. However, when generating
docbook output, we override the expansion of a listingblock
to work around bugs in some versions of the docbook
toolchain. Our override did not mark the listingblock with
the "monospaced" class.
The main output that uses docbook as an intermediate format
is the manpages. We didn't notice any issue there because
the monospaced class seems to be ignored when generating
roff from the docbook manpages.
However, when generating texinfo to make info pages, docbook
does respect this class. The resulting texinfo output
properly uses "@example" blocks to display the listing in
this case. Besides possibly looking prettier in some texinfo
backends, one important effect is that the monospace font
suppresses texinfo's expansion of "--" and "---" into
en-dashes and em-dashes. With the current code, the example
above ends up looking like "git log -merge", which is
confusing and wrong.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* ab/diff-write-incomplete-line:
Fix '\ No newline...' annotation in rewrite diffs
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When a file that ends with an incomplete line is expressed as a
complete rewrite with the -B option, git diff incorrectly
appends the incomplete line indicator "\ No newline at end of
file" after such a line, rather than writing it on a line of its
own (the output codepath for normal output without -B does not
have this problem). Add a LF after the incomplete line before
writing the "\ No newline ..." out to fix this.
Add a couple of tests to confirm that the indicator comment is
generated on its own line in both plain diff and rewrite mode.
Signed-off-by: Adam Butcher <dev.lists@jessamine.co.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* jc/maint-t7406-rev-parse-max-count-huh:
t7406: fix misleading "rev-parse --max-count=1 HEAD"
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The test happened to use "rev-parse --max-count=1 HEAD" consistently
to prepare the expected output and the actual output, so the
comparison between them gave us a correct success/failure because
both output had irrelevant "--max-count=1" in it.
But that is not an excuse to keep it broken. Replace it a more
meaningful construct "rev-parse --verify HEAD".
Noticed by Daniel Graña while working on his submodule tests.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* tr/void-diff-setup-done:
diff_setup_done(): return void
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diff_setup_done() has historically returned an error code, but lost
the last nonzero return in 943d5b7 (allow diff.renamelimit to be set
regardless of -M/-C, 2006-08-09). The callers were in a pretty
confused state: some actually checked for the return code, and some
did not.
Let it return void, and patch all callers to take this into account.
This conveniently also gets rid of a handful of different(!) error
messages that could never be triggered anyway.
Note that the function can still die().
Signed-off-by: Thomas Rast <trast@student.ethz.ch>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* tr/merge-recursive-flush:
merge-recursive: eliminate flush_buffer() in favor of write_in_full()
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flush_buffer() is a thin wrapper around write_in_full() with two very
confusing properties:
* It runs a loop to handle short reads, ensuring that we write
everything. But that is precisely what write_in_full() does!
* It checks for a return value of 0 from write_in_full(), which cannot
happen: it returns this value only if count=0, but flush_buffer()
will never call write_in_full() in this case.
Remove it.
Signed-off-by: Thomas Rast <trast@student.ethz.ch>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* nd/index-errno:
read_index_from: remove bogus errno assignments
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These assignments comes from the very first commit e83c516 (Initial
revision of "git", the information manager from hell - 2005-04-07).
Back then we did not die() when errors happened so correct errno was
required.
Since 5d1a5c0 ([PATCH] Better error reporting for "git status" -
2005-10-01), read_index_from() learned to die rather than just return
-1 and these assignments became irrelevant. Remove them.
While at it, move die_errno() next to xmmap() call because it's the
mmap's error code that we care about. Otherwise if close(fd); fails,
it could overwrite mmap's errno.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* pg/maint-apply-remove-unused-variable:
apply: delete unused deflate_origlen from patch struct
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It hasn't been used since 2006, as of commit 3cd4f5e8
"git-apply --binary: clean up and prepare for --reverse"
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The reflog entries left by "git rebase" and "git rebase -i" were
inconsistent (the interactive one gave an abbreviated object name).
* mg/rebase-i-onto-reflog-in-full:
rebase -i: use full onto sha1 in reflog
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'git rebase' uses the full onto sha1 for the reflog message whereas 'git
rebase -i' uses the short sha1. This is not only inconsistent, but can
lead to problems when the reflog is inspected at a later time at which
that abbreviation may have become ambiguous.
Make 'rebase -i' use the full onto sha1, as well.
Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When the user exports a non-default IFS without HT, scripts that
rely on being able to parse "ls-files -s | while read a b c..."
start to fail. Protect them from such a misconfiguration.
* jc/maint-protect-sh-from-ifs:
sh-setup: protect from exported IFS
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Many scripted Porcelains rely on being able to split words at the
default $IFS characters, i.e. SP, HT and LF. If the user exports a
non-default IFS to the environment, what they read from plumbing
commands such as ls-files that use HT to delimit fields may not be
split in the way we expect.
Protect outselves by resetting it, just like we do so against CDPATH
exported to the environment.
Noticed by Andrew Dranse <adranse@oanda.com>.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When "git push" triggered the automatic gc on the receiving end, a
message from "git prune" that said it was removing cruft leaked to
the standard output, breaking the communication protocol.
* bc/receive-pack-stdout-protection:
receive-pack: do not leak output from auto-gc to standard output
t/t5400: demonstrate breakage caused by informational message from prune
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The standard output channel of receive-pack is a structured protocol
channel, and subprocesses must never be allowed to leak anything
into it by writing to their standard output.
Use RUN_COMMAND_STDOUT_TO_STDERR option to run_command_v_opt() just
like we do when running hooks to prevent output from "gc" leaking to
the standard output.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When receive-pack triggers 'git gc --auto' and 'git prune' is called to
remove a stale temporary object, 'git prune' prints an informational
message to stdout about the file that it will remove. Since this message
is written to stdout, it is sent back over the transport channel to the git
client which tries to interpret it as part of the pack protocol and then
promptly terminates with a complaint about a protocol error.
Introduce a test which exercises the auto-gc functionality of receive-pack
and demonstrates this breakage.
Signed-off-by: Brandon Casey <drafnel@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git diff" had a confusion between taking data from a path in the
working tree and taking data from an object that happens to have
name 0{40} recorded in a tree.
* jk/maint-null-in-trees:
fsck: detect null sha1 in tree entries
do not write null sha1s to on-disk index
diff: do not use null sha1 as a sentinel value
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Short of somebody happening to beat the 1 in 2^160 odds of
actually generating content that hashes to the null sha1, we
should never see this value in a tree entry. So let's have
fsck warn if it it seen.
As in the previous commit, we test both blob and submodule
entries to future-proof the test suite against the
implementation depending on connectivity to notice the
error.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We should never need to write the null sha1 into an index
entry (short of the 1 in 2^160 chance that somebody actually
has content that hashes to it). If we attempt to do so, it
is much more likely that it is a bug, since we use the null
sha1 as a sentinel value to mean "not valid".
The presence of null sha1s in the index (which can come
from, among other things, "update-index --cacheinfo", or by
reading a corrupted tree) can cause problems for later
readers, because they cannot distinguish the literal null
sha1 from its use a sentinel value. For example, "git
diff-files" on such an entry would make it appear as if it
is stat-dirty, and until recently, the diff code assumed
such an entry meant that we should be diffing a working tree
file rather than a blob.
Ideally, we would stop such entries from entering even our
in-core index. However, we do sometimes legitimately add
entries with null sha1s in order to represent these sentinel
situations; simply forbidding them in add_index_entry breaks
a lot of the existing code. However, we can at least make
sure that our in-core sentinel representation never makes it
to disk.
To be thorough, we will test an attempt to add both a blob
and a submodule entry. In the former case, we might run into
problems anyway because we will be missing the blob object.
But in the latter case, we do not enforce connectivity
across gitlink entries, making this our only point of
enforcement. The current implementation does not care which
type of entry we are seeing, but testing both cases helps
future-proof the test suite in case that changes.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The diff code represents paths using the diff_filespec
struct. This struct has a sha1 to represent the sha1 of the
content at that path, as well as a sha1_valid member which
indicates whether its sha1 field is actually useful. If
sha1_valid is not true, then the filespec represents a
working tree file (e.g., for the no-index case, or for when
the index is not up-to-date).
The diff_filespec is only used internally, though. At the
interfaces to the diff subsystem, callers feed the sha1
directly, and we create a diff_filespec from it. It's at
that point that we look at the sha1 and decide whether it is
valid or not; callers may pass the null sha1 as a sentinel
value to indicate that it is not.
We should not typically see the null sha1 coming from any
other source (e.g., in the index itself, or from a tree).
However, a corrupt tree might have a null sha1, which would
cause "diff --patch" to accidentally diff the working tree
version of a file instead of treating it as a blob.
This patch extends the edges of the diff interface to accept
a "sha1_valid" flag whenever we accept a sha1, and to use
that flag when creating a filespec. In some cases, this
means passing the flag through several layers, making the
code change larger than would be desirable.
One alternative would be to simply die() upon seeing
corrupted trees with null sha1s. However, this fix more
directly addresses the problem (while bogus sha1s in a tree
are probably a bad thing, it is really the sentinel
confusion sending us down the wrong code path that is what
makes it devastating). And it means that git is more capable
of examining and debugging these corrupted trees. For
example, you can still "diff --raw" such a tree to find out
when the bogus entry was introduced; you just cannot do a
"--patch" diff (just as you could not with any other
corrupted tree, as we do not have any content to diff).
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git send-email" did not unquote encoded words that appear on the
header correctly, and lost "_" from strings.
* tr/maint-send-email-2047:
send-email: improve RFC2047 quote parsing
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The RFC2047 unquoting, used to parse email addresses in From and Cc
headers, is broken in several ways:
* It erroneously substitutes ' ' for '_' in *the whole* header, even
outside the quoted field. [Noticed by Christoph.]
* It is too liberal in its matching, and happily matches the start
of one quoted chunk against the end of another, or even just
something that looks like such an end. [Noticed by Junio.]
* It fundamentally cannot cope with encodings that are not a
superset of ASCII, nor several (incompatible) encodings in the
same header.
This patch fixes the first two by doing a more careful decoding of
the outer quoting (e.g. "=AB" to represent an octet whose value is
0xAB). Fixing the fundamental issues is left for a future, more
intrusive, patch.
Noticed-by: Christoph Miebach <christoph.miebach@web.de>
Helped-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Thomas Rast <trast@student.ethz.ch>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When the user gives an argument that can be taken as both a
revision name and a pathname without disambiguating with "--", we
used to give a help message "Use '--' to separate". The message
has been clarified to show where that '--' goes on the command
line.
* mm/die-with-dashdash-help:
setup: clarify error messages for file/revisions ambiguity
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The previous "Use '--' to separate filenames from revisions" may sound
obvious for an old-time Unix user, but does not make it clear how to use
this '--'. In addition to mentionning this '--', give an idea of what the
new command should look like.
Ideally, we could provide cut-and-paste ready commands based on the
command that just failed, but we have no easy access to argv[] in this
place of the code.
Signed-off-by: Matthieu Moy <Matthieu.Moy@imag.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"gitweb" when used with PATH_INFO failed to notice directories with
SP (and other characters that need URL-style quoting) in them.
* js/gitweb-path-info-unquote:
gitweb: URL-decode $my_url/$my_uri when stripping PATH_INFO
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