| Commit message (Collapse) | Author | Age | Files | Lines |
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"git fetch $there $refspec" that talks over protocol v2 can take
advantage of server-side ref filtering; the code has been extended
so that this mechanism triggers also when fetching with configured
refspec.
* bw/ref-prefix-for-configured-refspec: (38 commits)
fetch: generate ref-prefixes when using a configured refspec
refspec: consolidate ref-prefix generation logic
submodule: convert push_unpushed_submodules to take a struct refspec
remote: convert check_push_refs to take a struct refspec
remote: convert match_push_refs to take a struct refspec
http-push: store refspecs in a struct refspec
transport: remove transport_verify_remote_names
send-pack: store refspecs in a struct refspec
transport: convert transport_push to take a struct refspec
push: convert to use struct refspec
push: check for errors earlier
remote: convert match_explicit_refs to take a struct refspec
remote: convert get_ref_match to take a struct refspec
remote: convert query_refspecs to take a struct refspec
remote: convert apply_refspecs to take a struct refspec
remote: convert get_stale_heads to take a struct refspec
fetch: convert prune_refs to take a struct refspec
fetch: convert get_ref_map to take a struct refspec
fetch: convert do_fetch to take a struct refspec
refspec: remove the deprecated functions
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Teach fetch to generate ref-prefixes, to be used for server-side
filtering of the ref-advertisement, based on the configured fetch
refspec ('remote.<name>.fetch') when no user provided refspec exists.
Signed-off-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When a short hexadecimal string is used to name an object but there
are multiple objects that share the string as the prefix of their
names, the code lists these ambiguous candidates in a help message.
These object names are now sorted according to their types for
easier eyeballing.
* ab/get-short-oid:
get_short_oid: sort ambiguous objects by type, then SHA-1
sha1-name.c: move around the collect_ambiguous() function
git-p4: change "commitish" typo to "committish"
sha1-array.h: align function arguments
sha1-name.c: remove stray newline
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Change the output emitted when an ambiguous object is encountered so
that we show tags first, then commits, followed by trees, and finally
blobs. Within each type we show objects in hashcmp() order. Before
this change the objects were only ordered by hashcmp().
The reason for doing this is that the output looks better as a result,
e.g. the v2.17.0 tag before this change on "git show e8f2" would
display:
hint: The candidates are:
hint: e8f2093055 tree
hint: e8f21caf94 commit 2013-06-24 - bash prompt: print unique detached HEAD abbreviated object name
hint: e8f21d02f7 blob
hint: e8f21d577c blob
hint: e8f25a3a50 tree
hint: e8f26250fa commit 2017-02-03 - Merge pull request #996 from jeffhostetler/jeffhostetler/register_rename_src
hint: e8f2650052 tag v2.17.0
hint: e8f2867228 blob
hint: e8f28d537c tree
hint: e8f2a35526 blob
hint: e8f2bc0c06 commit 2015-05-10 - Documentation: note behavior for multiple remote.url entries
hint: e8f2cf6ec0 tree
Now we'll instead show:
hint: e8f2650052 tag v2.17.0
hint: e8f21caf94 commit 2013-06-24 - bash prompt: print unique detached HEAD abbreviated object name
hint: e8f26250fa commit 2017-02-03 - Merge pull request #996 from jeffhostetler/jeffhostetler/register_rename_src
hint: e8f2bc0c06 commit 2015-05-10 - Documentation: note behavior for multiple remote.url entries
hint: e8f2093055 tree
hint: e8f25a3a50 tree
hint: e8f28d537c tree
hint: e8f2cf6ec0 tree
hint: e8f21d02f7 blob
hint: e8f21d577c blob
hint: e8f2867228 blob
hint: e8f2a35526 blob
Since we show the commit data in the output that's nicely aligned once
we sort by object type. The decision to show tags before commits is
pretty arbitrary. I don't want to order by object_type since there
tags come last after blobs, which doesn't make sense if we want to
show the most important things first.
I could display them after commits, but it's much less likely that
we'll display a tag, so if there is one it makes sense to show it
prominently at the top.
A note on the implementation: Derrick rightly pointed out[1] that
we're bending over backwards here in get_short_oid() to first
de-duplicate the list, and then emit it, but could simply do it in one
step.
The reason for that is that oid_array_for_each_unique() doesn't
actually require that the array be sorted by oid_array_sort(), it just
needs to be sorted in some order that guarantees that all objects with
the same ID are adjacent to one another, which (barring a hash
collision, which'll be someone else's problem) the sort_ambiguous()
function does.
I agree that would be simpler for this code, and had forgotten why I
initially wrote it like this[2]. But on further reflection I think
it's better to do more work here just so we're not underhandedly using
the oid-array API where we lie about the list being sorted. That would
break any subsequent use of oid_array_lookup() in subtle ways.
I could get around that by hacking the API itself to support this
use-case and documenting it, which I did as a WIP patch in [3], but I
think it's too much code smell just for this one call site. It's
simpler for the API to just introduce a oid_array_for_each() function
to eagerly spew out the list without sorting or de-duplication, and
then do the de-duplication and sorting in two passes.
1. https://public-inbox.org/git/20180501130318.58251-1-dstolee@microsoft.com/
2. https://public-inbox.org/git/876047ze9v.fsf@evledraar.gmail.com/
3. https://public-inbox.org/git/874ljrzctc.fsf@evledraar.gmail.com/
Helped-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Transfer protocol v2 learned to support the partial clone.
* jt/partial-clone-proto-v2:
{fetch,upload}-pack: support filter in protocol v2
upload-pack: read config when serving protocol v2
upload-pack: fix error message typo
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The fetch-pack/upload-pack protocol v2 was developed independently of
the filter parameter (used in partial fetches), thus it did not include
support for it. Add support for the filter parameter.
Like in the legacy protocol, the server advertises and supports "filter"
only if uploadpack.allowfilter is configured.
Like in the legacy protocol, the client continues with a warning if
"--filter" is specified, but the server does not advertise it.
Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The upload-pack code paths never call git_config() with
upload_pack_config() when protocol v2 is used, causing options like
uploadpack.packobjectshook to not take effect. Ensure that this function
is called.
Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Fix a typo in an error message.
Also, this line was introduced in 3145ea957d2c ("upload-pack: introduce
fetch server command", 2018-03-15), which did not contain a test for the
case which causes this error to be printed, so introduce a test.
Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The beginning of the next-gen transfer protocol.
* bw/protocol-v2: (35 commits)
remote-curl: don't request v2 when pushing
remote-curl: implement stateless-connect command
http: eliminate "# service" line when using protocol v2
http: don't always add Git-Protocol header
http: allow providing extra headers for http requests
remote-curl: store the protocol version the server responded with
remote-curl: create copy of the service name
pkt-line: add packet_buf_write_len function
transport-helper: introduce stateless-connect
transport-helper: refactor process_connect_service
transport-helper: remove name parameter
connect: don't request v2 when pushing
connect: refactor git_connect to only get the protocol version once
fetch-pack: support shallow requests
fetch-pack: perform a fetch using v2
upload-pack: introduce fetch server command
push: pass ref prefixes when pushing
fetch: pass ref prefixes when fetching
ls-remote: pass ref prefixes when requesting a remote's refs
transport: convert transport_get_remote_refs to take a list of ref prefixes
...
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Conversion from uchar[20] to struct object_id continues.
* bc/object-id: (42 commits)
merge-one-file: compute empty blob object ID
add--interactive: compute the empty tree value
Update shell scripts to compute empty tree object ID
sha1_file: only expose empty object constants through git_hash_algo
dir: use the_hash_algo for empty blob object ID
sequencer: use the_hash_algo for empty tree object ID
cache-tree: use is_empty_tree_oid
sha1_file: convert cached object code to struct object_id
builtin/reset: convert use of EMPTY_TREE_SHA1_BIN
builtin/receive-pack: convert one use of EMPTY_TREE_SHA1_HEX
wt-status: convert two uses of EMPTY_TREE_SHA1_HEX
submodule: convert several uses of EMPTY_TREE_SHA1_HEX
sequencer: convert one use of EMPTY_TREE_SHA1_HEX
merge: convert empty tree constant to the_hash_algo
builtin/merge: switch tree functions to use object_id
builtin/am: convert uses of EMPTY_TREE_SHA1_BIN to the_hash_algo
sha1-file: add functions for hex empty tree and blob OIDs
builtin/receive-pack: avoid hard-coded constants for push certs
diff: specify abbreviation size in terms of the_hash_algo
upload-pack: replace use of several hard-coded constants
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Convert the exclude_sha1 member of struct untracked_cache_dir and rename
it to exclude_oid. Eliminate several hard-coded integral constants, and
update a function name that referred to SHA-1.
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Adjust struct index_state to use struct object_id instead of unsigned
char [20].
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Convert the base_sha1 member of struct split_index to use struct
object_id and rename it base_oid. Include cache.h to make the structure
visible.
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git blame" learns to unhighlight uninteresting metadata from the
originating commit on lines that are the same as the previous one,
and also paint lines in different colors depending on the age of
the commit.
* sb/blame-color:
builtin/blame: add new coloring scheme config
builtin/blame: highlight recently changed lines
builtin/blame: dim uninteresting metadata lines
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Add a config option that allows selecting the default color scheme for
blame. The command line still takes precedence over the configuration.
It is to be seen, how color.ui will integrate with blame coloring.
Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Choose a different color for dates and imitate a 'temperature cool down'
depending upon age.
Originally I had planned to have the temperature cool down dependent on
the age of the project or file for example, as that might scale better,
but that can be added on top of this commit, e.g. instead of giving a
date, you could imagine giving a percentage that would be the linearly
interpolated between now and the beginning of the file.
Similarly to the previous patch, this offers the command line option
'--color-by-age' to enable this mode and the config option
'color.blame.highlightrecent' to select colors. A later patch will offer
a config option to select the default mode.
Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When using git-blame lots of lines contain redundant information, for
example in hunks that consist of multiple lines, the metadata (commit
name, author, date) are repeated. A reader may not be interested in those,
so offer an option to color the information that is repeated from the
previous line differently. Traditionally, we use CYAN for lines that
are less interesting than others (e.g. hunk header), so go with that.
The command line option '--color-lines' will trigger the coloring of
repeated lines, and the config option 'color.blame.colorLines' is
provided to select the color. Setting the config option doesn't imply
that repeated lines are colored. A later patch will introduce a config
to enable this mode by default.
Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git submodule update" and "git submodule add" supported the
"--reference" option to borrow objects from a neighbouring local
repository like "git clone" does, but lacked the more recent
invention "--dissociate". Also "git submodule add" has been taught
to take the "--progress" option.
* cf/submodule-progress-dissociate:
submodule: add --dissociate option to add/update commands
submodule: add --progress option to add command
submodule: clean up substitutions in script
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Add --dissociate option to add and update commands, both clone helper commands
that already have the --reference option --dissociate pairs with.
Signed-off-by: Casey Fitzpatrick <kcghost@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The '--progress' was introduced in 72c5f88311d (clone: pass --progress
decision to recursive submodules, 2016-09-22) to fix the progress reporting
of the clone command. Also add the progress option to the 'submodule add'
command. The update command already supports the progress flag, but it
is not documented.
Signed-off-by: Casey Fitzpatrick <kcghost@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Command line completion (in contrib/) learned to complete pathnames
for various commands better.
* sg/complete-paths:
t9902-completion: exercise __git_complete_index_file() directly
completion: don't return with error from __gitcomp_file_direct()
completion: fill COMPREPLY directly when completing paths
completion: improve handling quoted paths in 'git ls-files's output
completion: remove repeated dirnames with 'awk' during path completion
t9902-completion: ignore COMPREPLY element order in some tests
completion: use 'awk' to strip trailing path components
completion: let 'ls-files' and 'diff-index' filter matching paths
completion: improve handling quoted paths on the command line
completion: support completing non-ASCII pathnames
completion: simplify prefix path component handling during path completion
completion: move __git_complete_index_file() next to its helpers
t9902-completion: add tests demonstrating issues with quoted pathnames
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The tests added in 2f271cd9cf (t9902-completion: add tests
demonstrating issues with quoted pathnames, 2018-05-08) and in
2ab6eab4fe (completion: improve handling quoted paths in 'git
ls-files's output, 2018-03-28) have a few shortcomings:
- All these tests use the 'test_completion' helper function, thus
they are exercising the whole completion machinery, although they
are only interested in how git-aware path completion, specifically
the __git_complete_index_file() function deals with unusual
characters in pathnames and on the command line.
- These tests can't satisfactorily test the case of pathnames
containing spaces, because 'test_completion' gets the words on the
command line as a single argument and it uses space as word
separator.
- Some of the tests are protected by different FUNNYNAMES_* prereqs
depending on whether they put backslashes and double quotes or
separator characters (FS, GS, RS, US) in pathnames, although a
filesystem not allowing one likely doesn't allow the others
either.
- One of the tests operates on paths containing '|' and '&'
characters without being protected by a FUNNYNAMES prereq, but
some filesystems (notably on Windows) don't allow these characters
in pathnames, either.
Replace these tests with basically equivalent, more focused tests that
call __git_complete_index_file() directly. Since this function only
looks at the current word to be completed, i.e. the $cur variable, we
can easily include pathnames containing spaces in the tests, so use
such pathnames instead of pathnames containing '|' and '&'. Finally,
use only a single FUNNYNAMES prereq for all kinds of special
characters.
Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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If any pathname contains backslash, double quote, tab, newline, or any
control characters, 'git ls-files' and 'git diff-index' will enclose
that pathname in double quotes and escape those special characters
using C-style one-character escape sequences or \nnn octal values.
This prevents those files from being listed during git-aware path
completion, because due to the quoting they will never match the
current word to be completed.
Extend __git_index_files()'s 'awk' script to remove all that quoting
and escaping from unique path components, so even paths containing
(almost all) such special characters can be completed.
Paths containing newline characters are still an issue, though. We
use newlines as separator character when filling the COMPREPLY array,
so a path with one or more newline will end up split to two or more
elements in COMPREPLY, basically breaking completion. There is
nothing we can do about it without a significant performance hit, so
let's just ignore such paths for now. As far as paths with newlines
are concerned, this isn't any different from the previous behavior,
because those paths were always omitted, though in the past they were
omitted because due to the quoting they didn't match the current word
to be completed. Anyway, Bash's own filename completion (Meta-/) can
complete even those paths, if need be.
Note:
- We don't dequote path components right away as they are coming in,
because then we would have to dequote each directory name
repeatedly, as many times as it appears in the input, i.e. as many
times as the number of listed paths it contains. Instead, we
dequote them at the end, as we print unique path components.
- Even when a directory name itself does not contain any special
characters, it will still be quoted if any of its trailing path
components do. If a directory contains paths both with and
without special characters, then the name of that directory will
appear both quoted and unquoted in the output of 'git ls-files'
and 'git diff-index'. Consequently, we will add such a directory
name to the deduplicating associative array twice: once quoted and
once unquoted.
This means that we have to be careful after dequoting a directory
name, and only print it if we haven't seen the same directory name
unquoted.
- It would be wonderful if we could just pass '-z' to those git
commands to output \0-separated unquoted paths, and use \0 as
record separator in the 'awk' script processing their output...
this patch would be so much simpler, almost trivial even.
Unfortunately, however, POSIX and most 'awk' implementations don't
support \0 as record separator (GNU awk does support it).
- This patch makes the earlier change to list paths with
'core.quotePath=false' basically redundant, because this could
decode any \nnn-escaped non-ASCII character just fine, as well.
However, I suspect that 'git ls-files' can deal with those
non-ASCII characters faster than this updated 'awk' script; just
in case someone is burdened with tons of pathnames containing
non-ASCII characters.
Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The order or possible completion words in the COMPREPLY array doesn't
actually matter, as long as all the right words are in there, because
Bash will sort them anyway. Yet, our tests looking at the elements of
COMPREPLY always expect them to be in a specific order.
Now, this hasn't been an issue before, but the next patch is about to
optimize a bit more our git-aware path completion, and as a harmless
side effect the order of elements in COMPREPLY will change. Worse,
the order will be downright undefined, because after the next patch
path components will come directly from iterating through an
associative array in 'awk', and the order of iteration over the
elements in those arrays is undefined, and indeed different 'awk'
implementations produce different order. Consequently, we can't get
away with simply adjusting the expected results in the affected tests.
Modify the 'test_completion' helper function to sort both the expected
and the actual results, i.e. the elements in COMPREPLY, before
comparing them, so the tests using this helper function will work
regardless of the order of elements.
Note that this change still leaves a bunch of tests depending on the
order of elements in COMPREPLY, tests that focus on a specific helper
function and therefore don't use the 'test_completion' helper. I
would rather deal with those later, when (if ever) the need actually
arises, than create unnecessary code churn now.
Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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During git-aware path completion, e.g. 'git rm dir/fil<TAB>', both
'git ls-files' and 'git diff-index' list all paths in the given 'dir/'
matching certain criteria (cached, modified, untracked, etc.)
appropriate for the given git command, even paths whose names don't
begin with 'fil'. This comes with a considerable performance
penalty when the directory in question contains a lot of paths, but
the current word can be uniquely completed or when only a handful of
those paths match the current word.
Reduce the number of iterations in this codepath from the number of
paths to the number of matching paths by specifying an appropriate
globbing pattern to 'git ls-files' and 'git diff-index' to list only
paths that match the current word to be completed.
Note that both commands treat backslashes as escape characters in
their file arguments, e.g. to preserve the literal meaning of globbing
characters, so we have to double every backslash in the globbing
pattern. This is why one of the path completion tests specifically
checks the completion of a path containing a literal backslash
character (that test still fails, though, because both commands output
such paths enclosed in double quotes and the special characters
escaped; a later patch in this series will deal with those).
This speeds up path completion considerably when there are a lot of
non-matching paths to be filtered out. Uniquely completing a tracked
filename at the top of the worktree in linux.git (over 62k files),
i.e. what's doing all the hard work behind 'git rm Mak<TAB>' to
complete 'Makefile':
Before this patch, best of five, on Linux:
$ time cur=Mak __git_complete_index_file
real 0m2.159s
user 0m1.299s
sys 0m1.089s
After:
real 0m0.033s
user 0m0.023s
sys 0m0.015s
Difference: -98.5%
Speedup: 65.4x
Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Our git-aware path completion doesn't work when it has to complete a
word already containing quoted and/or backslash-escaped characters on
the command line. The root cause of the issue is that completion
functions see all words on the command line verbatim, i.e. including
all backslash, single and double quote characters that the shell would
eventually remove when executing the finished command. These
quoting/escaping characters cause different issues depending on which
path component of the word to be completed contains them:
- The quoting/escaping is in the prefix path component(s).
Let's suppose we have a directory called 'New Dir', containing two
untracked files 'file.c' and 'file.o', and we have a gitignore
rule ignoring object files. In this case all of these:
git add New\ Dir/<TAB>
git add "New Dir/<TAB>
git add 'New Dir/<TAB>
should uniquely complete 'file.c' right away, but Bash offers both
'file.c' and 'file.o' instead. The reason for this behavior is
that our completion script uses the prefix directory name like
'git -C "New\ Dir/" ls-files ...", i.e. with the backslash inside
double quotes. Git then tries to enter a directory called
'New\ Dir', which (most likely) fails because such a directory
doesn't exists. As a result our completion script doesn't list
any files, leaves the COMPREPLY array empty, which in turn causes
Bash to fall back to its simple filename completion and lists all
files in that directory, i.e. both 'file.c' and 'file.o'.
- The quoting/escaping is in the path component to be completed.
Let's suppose we have two untracked files 'New File.c' and
'New File.o', and we have a gitignore rule ignoring object files.
In this case all of these:
git add New\ Fi<TAB>
git add "New Fi<TAB>
git add 'New Fi<TAB>
should uniquely complete 'New File.c' right away, but Bash offers
both 'New File.c' and 'New File.o' instead. The reason for this
behavior is that our completion script uses this 'New\ Fi' or
'"New Fi' etc. word to filter matching paths, and of course none
of the potential filenames will match because of the included
backslash or double quote. The end result is the same as above:
the completion script doesn't list any files, Bash falls back to
its filename completion, which then lists the matching object file
as well.
Add the new helper function __git_dequote() [1], which removes (most
of[2]) the quoting and escaping from the word it gets as argument. To
minimize the overhead of calling this function, store its result in
the variable $dequoted_word, supposed to be declared local in the
caller; simply printing the result would require a command
substitution imposing the overhead of fork()ing a subshell. Use this
function in __git_complete_index_file() to dequote the current word,
i.e. the path, to be completed, to avoid the above described
quoting-related issues, thereby fixing two of the failing quoted path
completion tests.
[1] The bash-completion project already has a dequote() function,
which I hoped I could borrow to deal with this, but unfortunately
it doesn't work quite well for this purpose (perhaps that's why
even the bash-completion project only rarely uses it). The main
issue is that their dequote() is implemented as:
eval printf %s "$1" 2> /dev/null
where $1 would contain the word to be completed. While it's a
short and sweet one-liner, the use of 'eval' requires that $1 is a
syntactically valid string, which is not the case when quoting the
path like 'git add "New Dir/<TAB>'. This causes 'eval' to fail,
because it can't find the matching closing double quote, and the
function returns nothing. The result is totally broken behavior,
as if the current word were empty, and the completion script would
then list all files from the current directory. This is why one
of the quoted path completion tests specifically checks the
completion of a path with an opening but without a corresponding
closing double quote character. Furthermore, the 'eval' performs
all kinds of expansions, which may or may not be desired; I think
it's the latter. Finally, using this function would require a
command substitution.
[2] Bash understands the $'string' quoting as well, which "expands to
'string', with backslash-escaped characters replaced as specified
by the ANSI C standard" (quoted from Bash manpage). Since shell
metacharacters, field separators, globbing, etc. can all be easily
entered using standard shell escaping or quoting, this type of
quoting comes in handly when dealing with control characters that
are otherwise difficult both to "type" and to see on the command
line. Because of this difficulty I would assume that people do
avoid pathnames with such control characters anyway, so I didn't
bother implementing it. This function is already way too long as
it is.
Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Unless the user has 'core.quotePath=false' somewhere in the
configuration, both 'git ls-files' and 'git diff-index' will by
default quote any pathnames that contain bytes with values higher than
0x80, and escape those bytes as '\nnn' octal values. This prevents
completing paths when the current path component to be completed
contains any non-ASCII, most notably UTF-8, characters, because none
of the listed quoted paths will match the current word on the command
line.
Set 'core.quotePath=false' for those 'git ls-files' and 'git
diff-index' invocations, so they won't consider bytes higher than 0x80
as "unusual", and won't quote pathnames containing such characters.
Note that pathnames containing backslash, double quote, or control
characters will still be quoted; a later patch in this series will
deal with those.
Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Completion functions see all words on the command line verbatim,
including any backslash-escapes, single and double quotes that might
be there. Furthermore, git commands quote pathnames if they contain
certain special characters. All these create various issues when
doing git-aware path completion.
Add a couple of failing tests to demonstrate these issues.
Later patches in this series will discuss these issues in detail as
they fix them.
Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git update-ref A B" is supposed to ensure that ref A does not yet
exist when B is a NULL OID, but this check was not done correctly
for pseudo-refs outside refs/ hierarchy, e.g. MERGE_HEAD.
* ma/create-pseudoref-with-null-old-oid:
refs: handle zero oid for pseudorefs
t1400: add tests around adding/deleting pseudorefs
refs.c: refer to "object ID", not "sha1", in error messages
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According to the documentation, it is possible to "specify 40 '0' or an
empty string as <oldvalue> to make sure that the ref you are creating
does not exist." But in the code for pseudorefs, we do not implement
this, as demonstrated by the failing tests added in the previous commit.
If we fail to read the old ref, we immediately die. But a failure to
read would actually be a good thing if we have been given the zero oid.
With the zero oid, allow -- and even require -- the ref-reading to fail.
This implements the "make sure that the ref ... does not exist" part of
the documentation and fixes both failing tests from the previous commit.
Since we have a `strbuf err` for collecting errors, let's use it and
signal an error to the caller instead of dying hard.
Reported-by: Rafael Ascensão <rafa.almas@gmail.com>
Helped-by: Rafael Ascensão <rafa.almas@gmail.com>
Signed-off-by: Martin Ågren <martin.agren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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I have not been able to find any tests around adding pseudorefs using
`git update-ref`. Add some as outlined in this table (original design by
Michael Haggerty; modified and extended by me):
Pre-update value | ref-update old OID | Expected result
-------------------|----------------------|----------------
missing | value | reject
missing | none given | accept
set | none given | accept
set | correct value | accept
set | wrong value | reject
missing | zero | accept *
set | zero | reject *
The tests marked with a * currently fail, despite git-update-ref(1)
claiming that it is possible to "specify 40 '0' or an empty string as
<oldvalue> to make sure that the ref you are creating does not exist."
These failing tests will be fixed in the next commit.
It is only natural to test deletion as well. Test deletion without an
old OID, with a correct one and with an incorrect one.
Suggested-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Martin Ågren <martin.agren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git status" learned to honor a new status.renames configuration to
skip rename detection, which could be useful for those who want to
do so without disabling the default rename detection done by the
"git diff" command.
* bp/status-rename-config:
add status config and command line options for rename detection
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After performing a merge that has conflicts git status will, by default,
attempt to detect renames which causes many objects to be examined. In a
virtualized repo, those objects do not exist locally so the rename logic
triggers them to be fetched from the server. This results in the status call
taking hours to complete on very large repos vs seconds with this patch.
Add a new config status.renames setting to enable turning off rename
detection during status and commit. This setting will default to the value
of diff.renames.
Add a new config status.renamelimit setting to to enable bounding the time
spent finding out inexact renames during status and commit. This setting
will default to the value of diff.renamelimit.
Add --no-renames command line option to status that enables overriding the
config setting from the command line. Add --find-renames[=<n>] command line
option to status that enables detecting renames and optionally setting the
similarity index.
Reviewed-by: Elijah Newren <newren@gmail.com>
Original-Patch-by: Alejandro Pauly <alpauly@microsoft.com>
Signed-off-by: Ben Peart <Ben.Peart@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Developer support update, by using BUG() macro instead of die() to
mark codepaths that should not happen more clearly.
* js/use-bug-macro:
BUG_exit_code: fix sparse "symbol not declared" warning
Convert remaining die*(BUG) messages
Replace all die("BUG: ...") calls by BUG() ones
run-command: use BUG() to report bugs, not die()
test-tool: help verifying BUG() code paths
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Signed-off-by: Ramsay Jones <ramsay@ramsayjones.plus.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In d8193743e08 (usage.c: add BUG() function, 2017-05-12), a new macro
was introduced to use for reporting bugs instead of die(). It was then
subsequently used to convert one single caller in 588a538ae55
(setup_git_env: convert die("BUG") to BUG(), 2017-05-12).
The cover letter of the patch series containing this patch
(cf 20170513032414.mfrwabt4hovujde2@sigill.intra.peff.net) is not
terribly clear why only one call site was converted, or what the plan
is for other, similar calls to die() to report bugs.
Let's just convert all remaining ones in one fell swoop.
This trick was performed by this invocation:
sed -i 's/die("BUG: /BUG("/g' $(git grep -l 'die("BUG' \*.c)
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When we call BUG(), we signal via SIGABRT that something bad happened,
dumping cores if so configured. In some setups these coredumps are
redirected to some central place such as /proc/sys/kernel/core_pattern,
which is a good thing.
However, when we try to verify in our test suite that bugs are caught in
certain code paths, we do *not* want to clutter such a central place
with unnecessary coredumps.
So let's special-case the test helpers (which we use to verify such code
paths) so that the BUG() calls will *not* call abort() but exit with a
special-purpose exit code instead.
Helped-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Code clean-up to adjust to a more recent lockfile API convention that
allows lockfile instances kept on the stack.
* ma/lockfile-cleanup:
lock_file: move static locks into functions
lock_file: make function-local locks non-static
refs.c: do not die if locking fails in `delete_pseudoref()`
refs.c: do not die if locking fails in `write_pseudoref()`
t/helper/test-write-cache: clean up lock-handling
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Placing `struct lock_file`s on the stack used to be a bad idea, because
the temp- and lockfile-machinery would keep a pointer into the struct.
But after 076aa2cbd (tempfile: auto-allocate tempfiles on heap,
2017-09-05), we can safely have lockfiles on the stack. (This applies
even if a user returns early, leaving a locked lock behind.)
Each of these `struct lock_file`s is used from within a single function.
Move them into the respective functions to make the scope clearer and
drop the staticness.
For good measure, I have inspected these sites and come to believe that
they always release the lock, with the possible exception of bailing out
using `die()` or `exit()` or by returning from a `cmd_foo()`.
As pointed out by Jeff King, it would be bad if someone held on to a
`struct lock_file *` for some reason. After some grepping, I agree with
his findings: no-one appears to be doing that.
After this commit, the remaining occurrences of "static struct
lock_file" are locks that are used from within different functions. That
is, they need to remain static. (Short of more intrusive changes like
passing around pointers to non-static locks.)
Signed-off-by: Martin Ågren <martin.agren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Die in case writing the index fails, so that the caller can notice
(instead of, say, being impressed by how performant the writing is).
While at it, note that after opening a lock with `LOCK_DIE_ON_ERROR`, we
do not need to worry about whether we succeeded. Also, we can move the
`struct lock_file` into the function and drop the staticness. (Placing
`struct lock_file`s on the stack used to be a bad idea, because the
temp- and lockfile-machinery would keep a pointer into the struct. But
after 076aa2cbd (tempfile: auto-allocate tempfiles on heap, 2017-09-05),
we can safely have lockfiles on the stack.)
Signed-off-by: Martin Ågren <martin.agren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Test cleanup.
* sg/t6500-no-redirect-of-stdin:
t6050-replace: don't disable stdin for the whole test script
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The test script 't6050-replace.sh' starts off with redirecting the
whole test script's stdin from /dev/null. This redirection has been
there since the test script was introduced in a3e8267225
(replace_object: add a test case, 2009-01-23), but the commit message
doesn't explain why it was deemed necessary. AFAICT, it has never
been necessary, and t6050 runs just fine and succeeds even without it,
not only the current version but past versions as well.
Besides being unnecessary, this redirection is also harmful, as it
prevents the test helper functions 'test_pause' and 'debug' from
working properly in t6050, because we can't enter any commands to the
shell and the debugger, respectively.
So let's remove that redirection.
Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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With merge.renames configuration set to false, the recursive merge
strategy can be told not to spend cycles trying to find renamed
paths and merge them accordingly.
* bp/merge-rename-config:
merge: pass aggressive when rename detection is turned off
merge: add merge.renames config setting
merge: update documentation for {merge,diff}.renameLimit
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Add the ability to control rename detection for merge via a config setting.
This setting behaves the same and defaults to the value of diff.renames but only
applies to merge.
Reviewed-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Helped-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Ben Peart <benpeart@microsoft.com>
Reviewed-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The implementation of "git rebase -i --root" has been updated to use
the sequencer machinery more.
* js/sequencer-and-root-commits:
rebase --rebase-merges: root commits can be cousins, too
rebase --rebase-merges: a "merge" into a new root is a fast-forward
sequencer: allow introducing new root commits
rebase -i --root: let the sequencer handle even the initial part
sequencer: learn about the special "fake root commit" handling
sequencer: extract helper to update active_cache_tree
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Reported by Wink Saville: when rebasing with no-rebase-cousins, we
will want to refrain from rebasing all of them, even when they are
root commits.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When a user provides a todo list containing something like
reset [new root]
merge my-branch
let's do the same as if pulling into an orphan branch: simply
fast-forward.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In the context of the new --rebase-merges mode, which was designed
specifically to allow for changing the existing branch topology
liberally, a user may want to extract commits into a completely fresh
branch that starts with a newly-created root commit.
This is now possible by inserting the command `reset [new root]` before
`pick`ing the commit that wants to become a root commit. Example:
reset [new root]
pick 012345 a commit that is about to become a root commit
pick 234567 this commit will have the previous one as parent
This does not conflict with other uses of the `reset` command because
`[new root]` is not (part of) a valid ref name: both the opening bracket
as well as the space are illegal in ref names.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In this developer's earlier attempt to accelerate interactive rebases by
converting large parts from Unix shell script into portable, performant
C, the --root handling was specifically excluded (to simplify the task a
little bit; it still took over a year to get that reduced set of patches
into Git proper).
This patch ties up that loose end: now only --preserve-merges uses the
slow Unix shell script implementation to perform the interactive rebase.
As the rebase--helper reports progress to stderr (unlike the scripted
interactive rebase, which reports it to stdout, of all places), we have
to adjust a couple of tests that did not expect that for `git rebase -i
--root`.
This patch fixes -- at long last! -- the really old bug reported in
6a6bc5bdc4d (add tests for rebasing root, 2013-06-06) that rebasing with
--root *always* rewrote the root commit, even if there were no changes.
The bug still persists in --preserve-merges mode, of course, but that
mode will be deprecated as soon as the new --rebase-merges mode
stabilizes, anyway.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* maint: (25 commits)
Git 2.17.1
Git 2.16.4
Git 2.15.2
Git 2.14.4
Git 2.13.7
fsck: complain when .gitmodules is a symlink
index-pack: check .gitmodules files with --strict
unpack-objects: call fsck_finish() after fscking objects
fsck: call fsck_finish() after fscking objects
fsck: check .gitmodules content
fsck: handle promisor objects in .gitmodules check
fsck: detect gitmodules files
fsck: actually fsck blob data
fsck: simplify ".git" check
index-pack: make fsck error message more specific
verify_path: disallow symlinks in .gitmodules
update-index: stat updated files earlier
verify_dotfile: mention case-insensitivity in comment
verify_path: drop clever fallthrough
skip_prefix: add case-insensitive variant
...
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