Jeff King [Fri, 26 May 2017 19:10:31 +0000 (15:10 -0400)]
verify_filename(): treat ":(magic)" as a pathspec
For commands that take revisions and pathspecs, magic
pathspecs like ":(exclude)foo" require the user to specify
a disambiguating "--", since they do not match a file in the
filesystem, like:
git grep foo -- :(exclude)bar
This makes them more annoying to use than they need to be.
We loosened the rules for wildcards in 28fcc0b71 (pathspec:
avoid the need of "--" when wildcard is used, 2015-05-02).
Let's do the same for pathspecs with long-form magic.
We already handle the short-forms ":/" and ":^" specially in
check_filename(), so we don't need to handle them here. And
in fact, we could do the same with long-form magic, parsing
out the actual filename and making sure it exists. But there
are a few reasons not to do it that way:
- the parsing gets much more complicated, and we'd want to
hand it off to the pathspec code. But that code isn't
ready to do this kind of speculative parsing (it's happy
to die() when it sees a syntactically invalid pathspec).
- not all pathspec magic maps to a filesystem path. E.g.,
:(attr) should be treated as a pathspec regardless of
what is in the filesystem
- we can be a bit looser with ":(" than with the
short-form ":/", because it is much less likely to have
a false positive. Whereas ":/" also means "search for a
commit with this regex".
Note that because the change is in verify_filename() and not
in its helper check_filename(), this doesn't affect the
verify_non_filename() case. I.e., if an item that matches
our new rule doesn't resolve as an object, we may fallback
to treating it as a pathspec (rather than complaining it
doesn't exist). But if it does resolve (e.g., as a file in
the index that starts with an open-paren), we won't then
complain that it's also a valid pathspec. This matches the
wildcard-exception behavior.
And of course in either case, one can always insert the "--"
to get more precise results.
Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Jeff King [Fri, 26 May 2017 19:08:39 +0000 (15:08 -0400)]
check_filename(): handle ":^" path magic
We special-case "git log :/foo" to work when "foo" exists in
the working tree. But :^ (and its alias :!) do not get the
same treatment, requiring the user to supply a
disambiguating "--". Let's make them work without requiring
the user to type the "--".
Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Jeff King [Fri, 26 May 2017 19:07:31 +0000 (15:07 -0400)]
check_filename(): refactor ":/" handling
We handle arguments with the ":/" pathspec magic specially,
making sure the name exists at the top-level. We'll want to
handle more pathspec magic in future patches, so let's do a
little rearranging to make that easier.
Instead of relying on an if/else cascade to avoid the
prefix_filename() call, we'll just set prefix to NULL.
Likewise, we'll get rid of the "name" variable entirely, and
just push the "arg" pointer forward to skip past the magic.
That means by the time we get to the prefix-handling, we're
set up appropriately whether we saw ":/" or not.
Note that this does impact the final error message we
produce when stat() fails, as it shows "arg" (which we'll
have modified to skip magic and include the prefix). This is
a good thing; the original message would say something like
"failed to stat ':/foo'", which is confusing (we tried to
stat "foo").
Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Jeff King [Fri, 26 May 2017 19:06:41 +0000 (15:06 -0400)]
t4208: add check for ":/" without matching file
The DWIM magic in check_filename() doesn't just recognize
":/". It actually makes sure that the file it points to
exists. t4208 checks only the case where the path is
present, not the opposite. Since the next patches will be
touching this area, let's add a test to make sure it
continues working.
Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Jeff King [Sat, 29 Apr 2017 12:36:44 +0000 (08:36 -0400)]
shell: disallow repo names beginning with dash
When a remote server uses git-shell, the client side will
connect to it like:
ssh server "git-upload-pack 'foo.git'"
and we literally exec ("git-upload-pack", "foo.git"). In
early versions of upload-pack and receive-pack, we took a
repository argument and nothing else. But over time they
learned to accept dashed options. If the user passes a
repository name that starts with a dash, the results are
confusing at best (we complain of a bogus option instead of
a non-existent repository) and malicious at worst (the user
can start an interactive pager via "--help").
We could pass "--" to the sub-process to make sure the
user's argument is interpreted as a branch name. I.e.:
git-upload-pack -- -foo.git
But adding "--" automatically would make us inconsistent
with a normal shell (i.e., when git-shell is not in use),
where "-foo.git" would still be an error. For that case, the
client would have to specify the "--", but they can't do so
reliably, as existing versions of git-shell do not allow
more than a single argument.
The simplest thing is to simply disallow "-" at the start of
the repo name argument. This hasn't worked either with or
without git-shell since version 1.0.0, and nobody has
complained.
Note that this patch just applies to do_generic_cmd(), which
runs upload-pack, receive-pack, and upload-archive. There
are two other types of commands that git-shell runs:
- do_cvs_cmd(), but this already restricts the argument to
be the literal string "server"
- admin-provided commands in the git-shell-commands
directory. We'll pass along arbitrary arguments there,
so these commands could have similar problems. But these
commands might actually understand dashed arguments, so
we cannot just block them here. It's up to the writer of
the commands to make sure they are safe. With great
power comes great responsibility.
Reported-by: Timo Schmid <tschmid@ernw.de> Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Completion for "git checkout <branch>" that auto-creates the branch
out of a remote tracking branch can now be disabled, as this
completion often gets in the way when completing to checkout an
existing local branch that happens to share the same prefix with
bunch of remote tracking branches.
Peter Krefting [Sun, 30 Apr 2017 21:32:48 +0000 (23:32 +0200)]
i18n: read-cache: typofix
Signed-off-by: Peter Krefting <peter@softwolves.pp.se> Signed-off-by: Jean-Noel Avila <jn.avila@free.fr> Signed-off-by: Junio C Hamano <gitster@pobox.com>
The building of the reflog message is using strbuf, which is not
friendly with internationalization frameworks. No other reflog
messages are translated right now and switching all the messages to
i18n would require a major rework of the way the messages are built.
Signed-off-by: Jean-Noel Avila <jn.avila@free.fr> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Simon Ruderich [Sat, 29 Apr 2017 12:28:29 +0000 (14:28 +0200)]
githooks.txt: clarify push hooks are always executed in $GIT_DIR
Listing the specific hooks might feel verbose but without it the
reader is left to wonder which hooks are triggered during the
push. Something which is not immediately obvious when only trying
to find out where the hook is executed.
Signed-off-by: Simon Ruderich <simon@ruderich.org> Reviewed-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Stephen Hicks [Wed, 26 Apr 2017 19:17:40 +0000 (21:17 +0200)]
rebase -i: reread the todo list if `exec` touched it
In the scripted version of the interactive rebase, there was no internal
representation of the todo list; it was re-read before every command.
That allowed the hack that an `exec` command could append (or even
completely rewrite) the todo list.
This hack was broken by the partial conversion of the interactive rebase
to C, and this patch reinstates it.
We also add a small test to verify that this fix does not regress in the
future.
Signed-off-by: Stephen Hicks <sdh@google.com> Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Lars Schneider [Wed, 26 Apr 2017 19:18:57 +0000 (21:18 +0200)]
travis-ci: set DEVELOPER knob for Linux32 build
The Linux32 build was not build with our strict compiler settings (e.g.
warnings as errors). Fix this by passing the DEVELOPER environment
variable to the docker container.
Signed-off-by: Lars Schneider <larsxschneider@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Lars Schneider [Wed, 26 Apr 2017 19:39:33 +0000 (21:39 +0200)]
travis-ci: printf $STATUS as string
If the $STATUS variable contains a "%" character then printf will
interpret that as invalid format string. Fix this by formatting $STATUS
as string.
Signed-off-by: Lars Schneider <larsxschneider@gmail.com> Acked-by: Johannes Schindelin <Johannes.Schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Jeff Hostetler [Tue, 25 Apr 2017 18:41:09 +0000 (18:41 +0000)]
t1450: avoid use of "sed" on the index, which is a binary file
The previous step added a path zzzzzzzz to the index, and then used
"sed" to replace this string to yyyyyyyy to create a test case where
the checksum at the end of the file does not match the contents.
Unfortunately, use of "sed" on a non-text file is not portable.
Instead, use a Perl script that seeks to the end and modifies the
last byte of the file (where we _know_ stores the trailing
checksum).
Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Junio C Hamano [Wed, 26 Apr 2017 06:39:13 +0000 (15:39 +0900)]
Merge branch 'mh/separate-ref-cache'
The internals of the refs API around the cached refs has been
streamlined.
* mh/separate-ref-cache:
do_for_each_entry_in_dir(): delete function
files_pack_refs(): use reference iteration
commit_packed_refs(): use reference iteration
cache_ref_iterator_begin(): make function smarter
get_loose_ref_cache(): new function
get_loose_ref_dir(): function renamed from get_loose_refs()
do_for_each_entry_in_dir(): eliminate `offset` argument
refs: handle "refs/bisect/" in `loose_fill_ref_dir()`
ref-cache: use a callback function to fill the cache
refs: record the ref_store in ref_cache, not ref_dir
ref-cache: introduce a new type, ref_cache
refs: split `ref_cache` code into separate files
ref-cache: rename `remove_entry()` to `remove_entry_from_dir()`
ref-cache: rename `find_ref()` to `find_ref_entry()`
ref-cache: rename `add_ref()` to `add_ref_entry()`
refs_verify_refname_available(): use function in more places
refs_verify_refname_available(): implement once for all backends
refs_ref_iterator_begin(): new function
refs_read_raw_ref(): new function
get_ref_dir(): don't call read_loose_refs() for "refs/bisect"
Junio C Hamano [Wed, 26 Apr 2017 06:39:12 +0000 (15:39 +0900)]
Merge branch 'nd/worktree-add-lock'
Allow to lock a worktree immediately after it's created. This helps
prevent a race between "git worktree add; git worktree lock" and
"git worktree prune".
Junio C Hamano [Wed, 26 Apr 2017 06:39:08 +0000 (15:39 +0900)]
Merge branch 'jk/war-on-git-path'
While handy, "git_path()" is a dangerous function to use as a
callsite that uses it safely one day can be broken by changes
to other code that calls it. Reduction of its use continues.
* jk/war-on-git-path:
am: drop "dir" parameter from am_state_init
replace strbuf_addstr(git_path()) with git_path_buf()
replace xstrdup(git_path(...)) with git_pathdup(...)
use git_path_* helper functions
branch: add edit_description() helper
bisect: add git_path_bisect_terms helper
Junio C Hamano [Wed, 26 Apr 2017 06:39:07 +0000 (15:39 +0900)]
Merge branch 'jh/add-index-entry-optim'
"git checkout" that handles a lot of paths has been optimized by
reducing the number of unnecessary checks of paths in the
has_dir_name() function.
* jh/add-index-entry-optim:
read-cache: speed up has_dir_name (part 2)
read-cache: speed up has_dir_name (part 1)
read-cache: speed up add_index_entry during checkout
p0006-read-tree-checkout: perf test to time read-tree
read-cache: add strcmp_offset function
The recently introduced conditional inclusion of configuration did
not work well when early-config mechanism was involved.
* nd/conditional-config-in-early-config:
config: correct file reading order in read_early_config()
config: handle conditional include when $GIT_DIR is not set up
config: prepare to pass more info in git_config_with_options()
Junio C Hamano [Wed, 26 Apr 2017 06:39:02 +0000 (15:39 +0900)]
Merge branch 'pc/t2027-git-to-pipe-cleanup'
Having a git command on the upstream side of a pipe in a test
script will hide the exit status from the command, which may cause
us to fail to notice a breakage; rewrite tests in a script to avoid
this issue.
* pc/t2027-git-to-pipe-cleanup:
t2027: avoid using pipes
Junio C Hamano [Wed, 26 Apr 2017 06:39:01 +0000 (15:39 +0900)]
Merge branch 'gb/rebase-signoff'
"git rebase" learns "--signoff" option.
* gb/rebase-signoff:
rebase: pass --[no-]signoff option to git am
builtin/am: fold am_signoff() into am_append_signoff()
builtin/am: honor --signoff also when --rebasing
Jeff King [Mon, 24 Apr 2017 11:49:20 +0000 (07:49 -0400)]
prio_queue_reverse: don't swap elements with themselves
Our array-reverse algorithm does the usual "walk from both
ends, swapping elements". We can quit when the two indices
are equal, since:
1. Swapping an element with itself is a noop.
2. If i and j are equal, then in the next iteration i is
guaranteed to be bigge than j, and we will exit the
loop.
So exiting the loop on equality is slightly more efficient.
And more importantly, the new SWAP() macro does not expect
to handle noop swaps; it will call memcpy() with the same src
and dst pointers in this case. It's unclear whether that
causes a problem on any platforms by violating the
"overlapping memory" constraint of memcpy, but it does cause
valgrind to complain.
Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Junio C Hamano [Mon, 24 Apr 2017 05:07:57 +0000 (22:07 -0700)]
Merge branch 'dt/xgethostname-nul-termination'
gethostname(2) may not NUL terminate the buffer if hostname does
not fit; unfortunately there is no easy way to see if our buffer
was too small, but at least this will make sure we will not end up
using garbage past the end of the buffer.
* dt/xgethostname-nul-termination:
xgethostname: handle long hostnames
use HOST_NAME_MAX to size buffers for gethostname(2)
Junio C Hamano [Mon, 24 Apr 2017 05:07:56 +0000 (22:07 -0700)]
Merge branch 'rs/misc-cppcheck-fixes'
Various small fixes.
* rs/misc-cppcheck-fixes:
server-info: avoid calling fclose(3) twice in update_info_file()
files_for_each_reflog_ent_reverse(): close stream and free strbuf on error
am: close stream on error, but not stdin
projects / thirdparty / git.git / log
