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"git pack-refs" that races with new ref creation or deletion have
been susceptible to lossage of refs under right conditions, which
has been tightened up.
* mh/ref-races:
for_each_ref: load all loose refs before packed refs
get_packed_ref_cache: reload packed-refs file when it changes
add a stat_validity struct
Extract a struct stat_data from cache_entry
packed_ref_cache: increment refcount when locked
do_for_each_entry(): increment the packed refs cache refcount
refs: manage lifetime of packed refs cache via reference counting
refs: implement simple transactions for the packed-refs file
refs: wrap the packed refs cache in a level of indirection
pack_refs(): split creation of packed refs and entry writing
repack_without_ref(): split list curation and entry writing
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Add public functions fill_stat_data() and match_stat_data() to work
with it. This infrastructure will later be used to check the validity
of other types of file.
Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The compiler can short-circuit the evaluation of conditions strung
together with logical OR operators instead of computing the resulting
bitmask with binary ORs. More importantly, this patch makes the
intent of the changed code clearer, because the logical context (as
opposed to binary context) becomes immediately obvious.
While we're at it, simplify the check for patch->is_rename in
builtin/apply.c a bit; it can only be 0 or 1, so we don't need a
comparison operator.
Signed-off-by: René Scharfe <rene.scharfe@lsrfire.ath.cx>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Karsten Blees <blees@dcon.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add a new command "git check-ignore" for debugging .gitignore
files.
The variable names may want to get cleaned up but that can be done
in-tree.
* as/check-ignore:
clean.c, ls-files.c: respect encapsulation of exclude_list_groups
t0008: avoid brace expansion
add git-check-ignore sub-command
setup.c: document get_pathspec()
add.c: extract new die_if_path_beyond_symlink() for reuse
add.c: extract check_path_for_gitlink() from treat_gitlinks() for reuse
pathspec.c: rename newly public functions for clarity
add.c: move pathspec matchers into new pathspec.c for reuse
add.c: remove unused argument from validate_pathspec()
dir.c: improve docs for match_pathspec() and match_pathspec_depth()
dir.c: provide clear_directory() for reclaiming dir_struct memory
dir.c: keep track of where patterns came from
dir.c: use a single struct exclude_list per source of excludes
Conflicts:
builtin/ls-files.c
dir.c
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Consumers of the dir.c traversal API should avoid assuming knowledge
of the internal implementation of exclude_list_groups. Therefore
when adding items to an exclude list, it should be accessed via the
pointer returned from add_exclude_list(), rather than by referencing
a location within dir.exclude_list_groups[EXC_CMDL].
Signed-off-by: Adam Spiers <git@adamspiers.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Refactor and generally clean up the directory traversal API
implementation.
* as/dir-c-cleanup:
dir.c: rename free_excludes() to clear_exclude_list()
dir.c: refactor is_path_excluded()
dir.c: refactor is_excluded()
dir.c: refactor is_excluded_from_list()
dir.c: rename excluded() to is_excluded()
dir.c: rename excluded_from_list() to is_excluded_from_list()
dir.c: rename path_excluded() to is_path_excluded()
dir.c: rename cryptic 'which' variable to more consistent name
Improve documentation and comments regarding directory traversal API
api-directory-listing.txt: update to match code
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For exclude patterns read in from files, the filename is stored in the
exclude list, and the originating line number is stored in the
individual exclude (counting starting at 1).
For exclude patterns provided on the command line, a string describing
the source of the patterns is stored in the exclude list, and the
sequence number assigned to each exclude pattern is negative, with
counting starting at -1. So for example the 2nd pattern provided via
--exclude would be numbered -2. This allows any future consumers of
that data to easily distinguish between exclude patterns from files
vs. from the CLI.
Signed-off-by: Adam Spiers <git@adamspiers.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Previously each exclude_list could potentially contain patterns
from multiple sources. For example dir->exclude_list[EXC_FILE]
would typically contain patterns from .git/info/exclude and
core.excludesfile, and dir->exclude_list[EXC_DIRS] could contain
patterns from multiple per-directory .gitignore files during
directory traversal (i.e. when dir->exclude_stack was more than
one item deep).
We split these composite exclude_lists up into three groups of
exclude_lists (EXC_CMDL / EXC_DIRS / EXC_FILE as before), so that each
exclude_list now contains patterns from a single source. This will
allow us to cleanly track the origin of each pattern simply by adding
a src field to struct exclude_list, rather than to struct exclude,
which would make memory management of the source string tricky in the
EXC_DIRS case where its contents are dynamically generated.
Similarly, by moving the filebuf member from struct exclude_stack to
struct exclude_list, it allows us to track and subsequently free
memory buffers allocated during the parsing of all exclude files,
rather than only tracking buffers allocated for files in the EXC_DIRS
group.
Signed-off-by: Adam Spiers <git@adamspiers.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Start adopting clearer names for exclude functions. This 'is_*'
naming pattern for functions returning booleans was agreed here:
http://thread.gmane.org/gmane.comp.version-control.git/204661/focus=204924
Signed-off-by: Adam Spiers <git@adamspiers.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We mark pathspec with wildcards with the field use_wildcard. We
could do better by saving the length of the non-wildcard part, which
can be used for optimizations such as f9f6e2c (exclude: do strcmp as
much as possible before fnmatch - 2012-06-07).
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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It was stupid of me to make the API too much cache-entry specific;
the caller may want to check arbitrary pathname without having a
corresponding cache-entry to see if a path is ignored.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git ls-files --exclude=t/ -i" does not show paths in directory t/
that have been added to the index, but it should.
The excluded() API was designed for callers who walk the tree from
the top, checking each level of the directory hierarchy as it
descends if it is excluded, and not even bothering to recurse into
an excluded directory. This would allow us optimize for a common
case by not having to check if the exclude pattern "foo/" matches
when looking at "foo/bar", because the caller should have noticed
that "foo" is excluded and did not even bother to read "foo/bar"
out of opendir()/readdir() to call it.
The code for "ls-files -i" however walks the index linearly, feeding
paths without checking if the leading directory is already excluded.
Introduce a helper function path_excluded() to let this caller
properly call excluded() check for higher hierarchies as necessary.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* cb/common-prefix-unification:
rename pathspec_prefix() to common_prefix() and move to dir.[ch]
consolidate pathspec_prefix and common_prefix
remove prefix argument from pathspec_prefix
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Also make common_prefix_len() static as this refactoring makes dir.c
itself the only caller of this helper function.
Signed-off-by: Clemens Buchacher <drizzd@aon.at>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Passing a prefix to a function that is supposed to find the prefix is
strange. And it's really only used if the pathspec is NULL. Make the
callers handle this case instead.
As we are always returning a fresh copy of a string (or NULL), change the
type of the returned value to non-const "char *".
Signed-off-by: Clemens Buchacher <drizzd@aon.at>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* cb/maint-ls-files-error-report:
ls-files: fix pathspec display on error
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The following sequence of commands reveals an issue with error
reporting of relative paths:
$ mkdir sub
$ cd sub
$ git ls-files --error-unmatch ../bbbbb
error: pathspec 'b' did not match any file(s) known to git.
$ git commit --error-unmatch ../bbbbb
error: pathspec 'b' did not match any file(s) known to git.
This bug is visible only if the normalized path (i.e., the relative
path from the repository root) is longer than the prefix.
Otherwise, the code skips over the normalized path and reads from
an unused memory location which still contains a leftover of the
original command line argument.
So instead, use the existing facilities to deal with relative paths
correctly.
Also fix inconsistency between "checkout" and "commit", e.g.
$ cd Documentation
$ git checkout nosuch.txt
error: pathspec 'Documentation/nosuch.txt' did not match...
$ git commit nosuch.txt
error: pathspec 'nosuch.txt' did not match...
by propagating the prefix down the codepath that reports the error.
Signed-off-by: Clemens Buchacher <drizzd@aon.at>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In order to do partial commits, git-commit overlays a tree on the
cache and checks pathspecs against the result. Currently, the
overlaying is done using "prefix" which prevents relative pathspecs
with ".." and absolute pathspec from matching when they refer to
files not under "prefix" and absent from the index, but still in
the tree (i.e. files staged for removal).
The point of providing a prefix at all is performance optimization.
If we say there is no common prefix for the files of interest, then
we have to read the entire tree into the index.
But even if we cannot use the working directory as a prefix, we can
still figure out if there is a common prefix for all given paths,
and use that instead. The pathspec_prefix() routine from ls-files.c
does exactly that.
Any use of global variables is removed from pathspec_prefix() so
that it can be called from commit.c.
Reported-by: Reuben Thomas <rrt@sc3d.org>
Analyzed-by: Michael J Gruber <git@drmicha.warpmail.net>
Signed-off-by: Clemens Buchacher <drizzd@aon.at>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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As the point of the last change is to allow use of strings as
literals no matter what characters are in them, "has_wildcard"
does not match what we use this field for anymore.
It is used to decide if the wildcard matching should be used, so
rename it to match the usage better.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This patch changes behavior of the two functions. Previously it does
prefix matching only. Now it can also do wildcard matching.
All callers are updated. Some gain wildcard matching (archive,
checkout), others reset pathspec_item.has_wildcard to retain old
behavior (ls-files, ls-tree as they are plumbing).
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* jn/git-cmd-h-bypass-setup:
update-index -h: show usage even with corrupt index
merge -h: show usage even with corrupt index
ls-files -h: show usage even with corrupt index
gc -h: show usage even with broken configuration
commit/status -h: show usage even with broken configuration
checkout-index -h: show usage even in an invalid repository
branch -h: show usage even in an invalid repository
Conflicts:
builtin/merge.c
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Part of a campaign to avoid git <command> -h being distracted by
access to the repository. A caller hoping to use "git ls-files"
with an alternate index as part of a repair operation may well use
"git ls-files -h" to show usage while planning it out.
[jn: with rewritten log message and tests]
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Remove some stray usage of other bracket types and asterisks for the
same purpose.
Signed-off-by: Štěpán Němec <stepnem@gmail.com>
Acked-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* ar/string-list-foreach:
Convert the users of for_each_string_list to for_each_string_list_item macro
Add a for_each_string_list_item macro
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Teach git-ls-files a new option --debug that just tacks all available
data from the cache onto each file's line.
Signed-off-by: Thomas Rast <trast@student.ethz.ch>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The rule for selecting the candidates for conversion is: if the callback
function returns only 0 (the condition for for_each_string_list to exit
early), than it can be safely converted to the macro.
A notable exception are the callers in builtin/remote.c. If converted, the
readability in the file will suffer greately. Besides, the code is not very
performance critical (at the moment, at least): it does output formatting of
the list of remotes.
Signed-off-by: Alex Riesen <raa.lkml@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* jp/string-list-api-cleanup:
string_list: Fix argument order for string_list_append
string_list: Fix argument order for string_list_lookup
string_list: Fix argument order for string_list_insert_at_index
string_list: Fix argument order for string_list_insert
string_list: Fix argument order for for_each_string_list
string_list: Fix argument order for print_string_list
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Update the definition and callers of for_each_string_list to use the
string_list as the first argument. This helps make the string_list
API easier to use by being more consistent.
Signed-off-by: Julian Phillips <julian@quantumfyre.co.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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git ls-files used to error out if given paths which point outside the current
working directory, such as '../'. We now allow such paths and the output is
analogous to git grep -l.
Signed-off-by: Clemens Buchacher <drizzd@aon.at>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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find_unique_abbrev() already returns the full SHA-1 if abbrev = 0,
so we can remove the logic that avoids the call.
Signed-off-by: Erik Faye-Lund <kusmabite@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This shrinks the top-level directory a bit, and makes it much more
pleasant to use auto-completion on the thing. Instead of
[torvalds@nehalem git]$ em buil<tab>
Display all 180 possibilities? (y or n)
[torvalds@nehalem git]$ em builtin-sh
builtin-shortlog.c builtin-show-branch.c builtin-show-ref.c
builtin-shortlog.o builtin-show-branch.o builtin-show-ref.o
[torvalds@nehalem git]$ em builtin-shor<tab>
builtin-shortlog.c builtin-shortlog.o
[torvalds@nehalem git]$ em builtin-shortlog.c
you get
[torvalds@nehalem git]$ em buil<tab> [type]
builtin/ builtin.h
[torvalds@nehalem git]$ em builtin [auto-completes to]
[torvalds@nehalem git]$ em builtin/sh<tab> [type]
shortlog.c shortlog.o show-branch.c show-branch.o show-ref.c show-ref.o
[torvalds@nehalem git]$ em builtin/sho [auto-completes to]
[torvalds@nehalem git]$ em builtin/shor<tab> [type]
shortlog.c shortlog.o
[torvalds@nehalem git]$ em builtin/shortlog.c
which doesn't seem all that different, but not having that annoying
break in "Display all 180 possibilities?" is quite a relief.
NOTE! If you do this in a clean tree (no object files etc), or using an
editor that has auto-completion rules that ignores '*.o' files, you
won't see that annoying 'Display all 180 possibilities?' message - it
will just show the choices instead. I think bash has some cut-off
around 100 choices or something.
So the reason I see this is that I'm using an odd editory, and thus
don't have the rules to cut down on auto-completion. But you can
simulate that by using 'ls' instead, or something similar.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Junio C Hamano
Michael Haggerty
René Scharfe
Karsten Blees
Adam Spiers
Nguyễn Thái Ngọc Duy
Clemens Buchacher
Štěpán Němec
Thomas Rast
Alex Riesen
Julian Phillips
Erik Faye-Lund
Linus Torvalds