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"git remote update" can take both a single remote nickname and a
nickname for remote groups, and the completion script (in contrib/)
has been taught about it.
* ls/complete-remote-update-names:
completion: complete remote names too
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Continuing with the idea to programatically enumerate various
pieces of data required for command line completion, teach the
codebase to report the list of configuration variables
subcommands care about to help complete them.
* nd/complete-config-vars:
completion: complete general config vars in two steps
log-tree: allow to customize 'grafted' color
completion: support case-insensitive config vars
completion: keep other config var completion in camelCase
completion: drop the hard coded list of config vars
am: move advice.amWorkDir parsing back to advice.c
advice: keep config name in camelCase in advice_config[]
fsck: produce camelCase config key names
help: add --config to list all available config
fsck: factor out msg_id_info[] lazy initialization code
grep: keep all colors in an array
Add and use generic name->id mapping code for color slot parsing
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Hotfix for contrib/ stuff broken by this cycle.
* ab/cred-netrc-no-autodie:
git-credential-netrc: remove use of "autodie"
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Work around zsh segfaulting when loading git-completion.zsh
* sg/completion-zsh-workaround:
completion: correct zsh detection when run from git-completion.zsh
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The "autodie" module was added in Perl 5.10.1, but our INSTALL
document says "version 5.8 or later is needed".
As discussed in <87efhfvxzu.fsf@evledraar.gmail.com> this script is in
contrib/, so we might not want to apply that policy, however in this
case "autodie" was recently added as a "gratuitous safeguard" in
786ef50a23 ("git-credential-netrc: accept gpg option",
2018-05-12) (see
<CAHqJXRE8OKSKcck1APHAHccLZhox+tZi8nNu2RA74RErX8s3Pg@mail.gmail.com>).
Looking at it more carefully the addition of "autodie" inadvertently
introduced a logic error, since having it is equivalent to this patch:
@@ -245,10 +244,10 @@ sub load_netrc {
if ($gpgmode) {
my @cmd = ($options{'gpg'}, qw(--decrypt), $file);
log_verbose("Using GPG to open $file: [@cmd]");
- open $io, "-|", @cmd;
+ open $io, "-|", @cmd or die "@cmd: $!";
} else {
log_verbose("Opening $file...");
- open $io, '<', $file;
+ open $io, '<', $file or die "$file: $!$!;
}
# nothing to do if the open failed (we log the error later)
As shown in the context the intent of that code is not do die but to
log the error later.
Per my reading of the file this was the only thing autodie was doing
in this file (there was no other code it altered). So let's remove it,
both to fix the logic error and to get rid of the dependency.
1. <87efhfvxzu.fsf@evledraar.gmail.com>
(https://public-inbox.org/git/87efhfvxzu.fsf@evledraar.gmail.com/)
2. <CAHqJXRE8OKSKcck1APHAHccLZhox+tZi8nNu2RA74RErX8s3Pg@mail.gmail.com>
(https://public-inbox.org/git/CAHqJXRE8OKSKcck1APHAHccLZhox+tZi8nNu2RA74RErX8s3Pg@mail.gmail.com/)
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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v2.18.0-rc0~90^2 (completion: reduce overhead of clearing cached
--options, 2018-04-18) worked around a bug in bash's "set" builtin on
MacOS by using compgen instead. It was careful to avoid breaking zsh
by guarding this workaround with
if [[ -n ${ZSH_VERSION-}} ]]
Alas, this interacts poorly with git-completion.zsh's bash emulation:
ZSH_VERSION='' . "$script"
Correct it by instead using a new GIT_SOURCING_ZSH_COMPLETION shell
variable to detect whether git-completion.bash is being sourced from
git-completion.zsh. This way, the zsh variant is used both when run
from zsh directly and when run via git-completion.zsh.
Reproduction recipe:
1. cd git/contrib/completion && cp git-completion.zsh _git
2. Put the following in a new ~/.zshrc file:
autoload -U compinit; compinit
autoload -U bashcompinit; bashcompinit
fpath=(~/src/git/contrib/completion $fpath)
3. Open zsh and "git <TAB>".
With this patch:
Triggers nice git-completion.bash based tab completion
Without:
contrib/completion/git-completion.bash:354: read-only variable: QISUFFIX
zsh:12: command not found: ___main
zsh:15: _default: function definition file not found
_dispatch:70: bad math expression: operand expected at `/usr/bin/g...'
Segmentation fault
Reported-by: Rick van Hattem <wolph@wol.ph>
Reported-by: Dave Borowitz <dborowitz@google.com>
Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The import-tars script (in contrib/) has been taught to handle
tarballs with overly long paths that use PAX extended headers.
* pa/import-tars-long-names:
import-tars: read overlong names from pax extended header
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The list of commands with their various attributes were spread
across a few places in the build procedure, but it now is getting a
bit more consolidated to allow more automation.
* nd/command-list:
completion: allow to customize the completable command list
completion: add and use --list-cmds=alias
completion: add and use --list-cmds=nohelpers
Move declaration for alias.c to alias.h
completion: reduce completable command list
completion: let git provide the completable command list
command-list.txt: documentation and guide line
help: use command-list.txt for the source of guides
help: add "-a --verbose" to list all commands with synopsis
git: support --list-cmds=list-<category>
completion: implement and use --list-cmds=main,others
git --list-cmds: collect command list in a string_list
git.c: convert --list-* to --list-cmds=*
Remove common-cmds.h
help: use command-list.h for common command list
generate-cmds.sh: export all commands to command-list.h
generate-cmds.sh: factor out synopsis extract code
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"git remote update" accepts both groups and single remotes.
Signed-off-by: Łukasz Stelmach <l.stelmach@samsung.com>
Reviewed-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Update credential-netrc helper (in contrib/) to allow customizing
the GPG used to decrypt the encrypted .netrc file.
* lm/credential-netrc:
git-credential-netrc: accept gpg option
git-credential-netrc: adapt to test framework for git
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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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There are 581 config variables as of now when you do "git config
<tab>" which can fill up a few screens and is not very helpful when
you have to look through columns of text to find what you want.
This patch instead shows you only first level when you do
git config <tab>
There are 78 items, which use up 8 rows in my screen. Compared to
screens of text, it's pretty good. Once you have chosen you first
level, e.g. color:
git config color.<tab>
will show you all color.*
This is not a new idea. branch.* and remote.* completion already does
this for second and third levels. For those variables, you'll need to
<tab> three times to get full variable name.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Config variables are case-insensitive but this case/esac construct is
case-sensitive by default. For bash v4, it'll be easy. For platforms
that are stuck with older versions, we need an external command, but
that is not that critical. And where this additional overhead matters
the most is Windows, but luckily Git for Windows ships with Bash v4.
Helped-by: SZEDER Gábor <szeder.dev@gmail.com>
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The last patch makes "git config <tab>" shows camelCase names because
that's what's in the source: config.txt. There are still a couple
manual var completion in this code. Let's make them follow the naming
convention as well.
In theory we could automate this part too because we have the
information. But let's stick to one step at a time and leave this for
later.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The new help option --config-for-completion is a machine friendlier
version of --config where all the placeholders and wildcards are
dropped, leaving only the good, completable prefixes for
git-completion.bash to consume.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* nd/command-list:
completion: allow to customize the completable command list
completion: add and use --list-cmds=alias
completion: add and use --list-cmds=nohelpers
Move declaration for alias.c to alias.h
completion: reduce completable command list
completion: let git provide the completable command list
command-list.txt: documentation and guide line
help: use command-list.txt for the source of guides
help: add "-a --verbose" to list all commands with synopsis
git: support --list-cmds=list-<category>
completion: implement and use --list-cmds=main,others
git --list-cmds: collect command list in a string_list
git.c: convert --list-* to --list-cmds=*
Remove common-cmds.h
help: use command-list.h for common command list
generate-cmds.sh: export all commands to command-list.h
generate-cmds.sh: factor out synopsis extract code
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Importing gcc tarballs[1] with import-tars script (in contrib) fails
when hitting a pax extended header.
Make sure we always read the extended attributes from the pax entries,
and store the 'path' value if found to be used in the next ustar entry.
The code to parse pax extended headers was written consulting the Pax
Pax Interchange Format documentation [2].
[1] http://ftp.gnu.org/gnu/gcc/gcc-7.3.0/gcc-7.3.0.tar.xz
[2] https://www.freebsd.org/cgi/man.cgi?manpath=FreeBSD+8-current&query=tar&sektion=5
Signed-off-by: Pedro Alvarez <palvarez89@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The command line completion mechanism (in contrib/) learned to load
custom completion file for "git $command" where $command is a
custom "git-$command" that the end user has on the $PATH when using
newer version of bash.
* fg/completion-external:
completion: load completion file for external subcommand
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Typofix.
* nd/completion-aliasfiletype-typofix:
completion: fix misspelled config key aliasesfiletype
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"git rebase" learned "--rebase-merges" to transplant the whole
topology of commit graph elsewhere.
* js/rebase-recreate-merge:
rebase -i --rebase-merges: add a section to the man page
rebase -i: introduce --rebase-merges=[no-]rebase-cousins
pull: accept --rebase=merges to recreate the branch topology
rebase --rebase-merges: avoid "empty merges"
sequencer: handle post-rewrite for merge commands
sequencer: make refs generated by the `label` command worktree-local
rebase --rebase-merges: add test for --keep-empty
rebase: introduce the --rebase-merges option
rebase-helper --make-script: introduce a flag to rebase merges
sequencer: fast-forward `merge` commands, if possible
sequencer: introduce the `merge` command
sequencer: introduce new commands to reset the revision
git-rebase--interactive: clarify arguments
sequencer: offer helpful advice when a command was rescheduled
sequencer: refactor how original todo list lines are accessed
sequencer: make rearrange_squash() a bit more obvious
sequencer: avoid using errno clobbered by rollback_lock_file()
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The functionality of "$GIT_DIR/info/grafts" has been superseded by
the "refs/replace/" mechanism for some time now, but the internal
code had support for it in many places, which has been cleaned up
in order to drop support of the "grafts" mechanism.
* js/deprecate-grafts:
Remove obsolete script to convert grafts to replace refs
technical/shallow: describe why shallow cannot use replace refs
technical/shallow: stop referring to grafts
filter-branch: stop suggesting to use grafts
Deprecate support for .git/info/grafts
Add a test for `git replace --convert-graft-file`
replace: introduce --convert-graft-file
replace: prepare create_graft() for converting graft files wholesale
replace: "libify" create_graft() and callees
replace: avoid using die() to indicate a bug
commit: Let the callback of for_each_mergetag return on error
argv_array: offer to split a string by whitespace
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The code has been taught to use the duplicated information stored
in the commit-graph file to learn the tree object name for a commit
to avoid opening and parsing the commit object when it makes sense
to do so.
* ds/lazy-load-trees:
coccinelle: avoid wrong transformation suggestions from commit.cocci
commit-graph: lazy-load trees for commits
treewide: replace maybe_tree with accessor methods
commit: create get_commit_tree() method
treewide: rename tree to maybe_tree
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By default we show porcelain, external commands and a couple others
that are also popular. If you are not happy with this list, you can
now customize it a new config variable.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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By providing aliases via --list-cmds=, we could simplify command
collection code in the script. We only issue one git command. Before
this patch that is "git config", after it's "git --list-cmds=". In
"git help" completion case we actually reduce one "git" process (for
getting guides) but that call was added in this series so it does not
really count.
A couple of bash functions are removed because they are not needed
anymore. __git_compute_all_commands() and $__git_all_commands stay
because they are still needed for completing pager.* config and
without "alias" group, the result is still cacheable.
There is a slight (good) change in _git_help() with this patch: before
"git help <tab>" shows external commands (as in _not_ part of git) as
well as part of $__git_all_commands. We have finer control over
command listing now and can exclude that because we can't provide a
man page for external commands anyway.
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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Instead of maintaining a separate list of command classification,
which often could go out of date, let's centralize the information
back in git.
While the function in git-completion.bash implies "list porcelain
commands", that's not exactly what it does. It gets all commands (aka
--list-cmds=main,others) then exclude certain non-porcelain ones. We
could almost recreate this list two lists list-mainporcelain and
others. The non-porcelain-but-included-anyway is added by the third
category list-complete.
Note that the current completion script incorrectly classifies
filter-branch as porcelain and t9902 tests this behavior. We keep it
this way in t9902 because this test does not really care which
particular command is porcelain or plumbing, they're just names.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The help command currently hard codes the list of guides and their
summary in C. Let's move this list to command-list.txt. This lets us
extract summary lines from Documentation/git*.txt. This also
potentially lets us list guides in git.txt, but I'll leave that for
now.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This is part of the effort to break down and provide commands by
category in machine-readable form. This could be helpful later on when
completion script switches to use --list-cmds for selecting
completable commands. It would be much easier for the user to choose
to complete _all_ commands instead of the default selection by passing
different values to --list-cmds in git-completino.bash.
While at there, replace "git help -a" in git-completion.bash with
--list-cmds since it's better suited for this task.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Even if these are hidden options, let's make them a bit more generic
since we're introducing more listing types shortly. The code is
structured to allow combining multiple listing types together because
we will soon add more types the 'builtins'.
'parseopt' remains separate because it has separate (SPC) to match
git-completion.bash needs and will not combine with others.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In __gitcomp_file_direct() we tell Bash that it should handle our
possible completion words as filenames with the following piece of
cleverness:
# use a hack to enable file mode in bash < 4
compopt -o filenames +o nospace 2>/dev/null ||
compgen -f /non-existing-dir/ > /dev/null
Unfortunately, this makes this function always return with error
when it is not invoked in real completion, but e.g. in tests of
't9902-completion.sh':
- First the 'compopt' line errors out
- either because in Bash v3.x there is no such command,
- or because in Bash v4.x it complains about "not currently
executing completion function",
- then 'compgen' just silently returns with error because of the
non-existing directory.
Since __gitcomp_file_direct() is now the last command executed in
__git_complete_index_file(), that function returns with error as well,
which prevents it from being invoked in tests directly as is, and
would require extra steps in test to hide its error code.
So let's make sure that __gitcomp_file_direct() doesn't return with
error, because in the tests coming in the following patch we do want
to exercise __git_complete_index_file() directly,
__gitcomp_file() contains the same construct, and thus it, too, always
returns with error. Update that function accordingly as well.
While at it, also remove the space from between the redirection
operator and the filename in both functions.
Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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git-credential-netrc was hardcoded to decrypt with 'gpg' regardless of
the gpg.program option. This is a problem on distributions like Debian
that call modern GnuPG something else, like 'gpg2'.
Set the command according to these settings in descending precedence
1. the git-credential-netrc command -g|--gpg option
2. the git gpg.program configuration option
3. the default: 'gpg'
For conformance with Documentation/CodingGuidelines
- use Git.pm for repository and global option queries
- document -g|--gpg command option in command usage
- test repository & command options
- write documentation placeholders according to main standards
Signed-off-by: Luis Marsano <luis.marsano@gmail.com>
Acked-by: Ted Zlatanov <tzz@lifelogs.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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git-credential-netrc tests did not run in a test repository.
Reuse the main test framework to stage a temporary repository.
To imitate Perl tests under t/
- switch to Test::More module
- use File::Basename & File::Spec::Functions
Signed-off-by: Luis Marsano <luis.marsano@gmail.com>
Acked-by: Ted Zlatanov <tzz@lifelogs.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The command line completion (in contrib/) has been taught that "git
stash save" has been deprecated ("git stash push" is the preferred
spelling in the new world) and does not offer it as a possible
completion candidate when "git stash push" can be.
* tg/demote-stash-save-in-completion:
completion: make stash -p and alias for stash push -p
completion: stop showing 'save' for stash by default
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The completion script (in contrib/) learned to clear cached list of
command line options upon dot-sourcing it again in a more efficient
way.
* sg/completion-clear-cached:
completion: reduce overhead of clearing cached --options
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The scripts in contrib/emacs/ have outlived their usefulness and
have been replaced with a stub that errors out and tells the user
there are replacements.
* ab/nuke-emacs-contrib:
git{,-blame}.el: remove old bitrotting Emacs code
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Precompute and store information necessary for ancestry traversal
in a separate file to optimize graph walking.
* ds/commit-graph:
commit-graph: implement "--append" option
commit-graph: build graph from starting commits
commit-graph: read only from specific pack-indexes
commit: integrate commit graph with commit parsing
commit-graph: close under reachability
commit-graph: add core.commitGraph setting
commit-graph: implement git commit-graph read
commit-graph: implement git-commit-graph write
commit-graph: implement write_commit_graph()
commit-graph: create git-commit-graph builtin
graph: add commit graph design document
commit-graph: add format document
csum-file: refactor finalize_hashfile() method
csum-file: rename hashclose() to finalize_hashfile()
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Recent simplification of build procedure forgot a bit of tweak to
the build procedure of contrib/mw-to-git/
* ab/simplify-perl-makefile:
Makefile: mark perllibdir as a .PHONY target
perl: fix installing modules from contrib
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Adding external subcommands to Git is as easy as to put an executable
file git-foo into PATH. Packaging such subcommands for a Linux
distribution can be achieved by unpacking the executable into /usr/bin
of the user's system. Adding system-wide completion scripts for new
subcommands, however, can be a bit tricky.
Since bash-completion started to use dynamical loading of completion
scripts since v1.90 (preview of v2.0), it is no longer sufficient to
drop a completion script of a subcommand into the standard completions
path, /usr/share/bash-completion/completions, since this script will not
be loaded if called as a git subcommand.
For example, look at https://bugs.gentoo.org/544722. To give a short
summary: The popular git-flow subcommand provides a completion script,
which gets installed as /usr/share/bash-completion/completions/git-flow.
If you now type into a Bash shell:
git flow <TAB>
You will not get any completions, because bash-completion only loads
completions for git and git has no idea that git-flow is defined in
another file. You have to load this script manually or trigger the
dynamic loader with:
git-flow <TAB> # Please notice the dash instead of whitespace
This will not complete anything either, because it only defines a Bash
function, without generating completions. But now the correct completion
script has been loaded and the first command can use the completions.
So, the goal is now to teach the git completion script to consider the
possibility of external completion scripts for subcommands, but of
course without breaking current workflows.
I think the easiest method is to use a function that was defined by
bash-completion v1.90, namely _completion_loader. It will take care of
loading the correct script if present. Afterwards, the git completion
script behaves as usual.
_completion_loader was introduced in commit 20c05b43 of bash-completion
(https://github.com/scop/bash-completion.git) back in 2011, so it should
be available in even older LTS distributions. This function searches for
external completion scripts not only in the default path
/usr/share/bash-completion/completions, but also in the user's home
directory via $XDG_DATA_HOME and in a user specified directory via
$BASH_COMPLETION_USER_DIR.
The only "drawback" (if it even can be called as such) is, that if
_completion_loader does not find a completion script, it automatically
registers a minimal function for basic path completion. In practice,
however, this will not matter, because in this case the given command is
a git command in its dashed form, e.g. 'git-diff-index', and those have
been deprecated for a long time.
This way we can leverage bash-completion's dynamic loading for git
subcommands and make it easier for developers to distribute custom
completion scripts.
Signed-off-by: Florian Gamböck <mail@floga.de>
Acked-by: SZEDER Gábor <szeder.dev@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The correct name in git-send-email.perl is aliasfiletype [1]. There are
actually two instances of this misspelling. The other was found and
fixed in 6068ac8848 (completion: add missing configuration variables -
2010-12-20)
[1] 994d6c66d3 (send-email: address expansion for common mailers - 2006-05-14)
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The semantic patch 'contrib/coccinelle/commit.cocci' added in
2e27bd7731 (treewide: replace maybe_tree with accessor methods,
2018-04-06) is supposed to "ensure that all references to the
'maybe_tree' member of struct commit are either mutations or accesses
through get_commit_tree()". So get_commit_tree() clearly must be able
to directly access the 'maybe_tree' member, and 'commit.cocci' has a
bit of a roundabout workaround to ensure that get_commit_tree()'s
direct access in its return statement is not transformed: after all
references to 'maybe_tree' have been transformed to a call to
get_commit_tree(), including the reference in get_commit_tree()
itself, the last rule transforms back a 'return get_commit_tree()'
statement, back then found only in get_commit_tree() itself, to a
direct access.
Unfortunately, already the very next commit shows that this workaround
is insufficient: 7b8a21dba1 (commit-graph: lazy-load trees for
commits, 2018-04-06) extends get_commit_tree() with a condition
directly accessing the 'maybe_tree' member, and Coccinelle with
'commit.cocci' promptly detects it and suggests a transformation to
avoid it. This transformation is clearly wrong, because calling
get_commit_tree() to access 'maybe_tree' _in_ get_commit_tree() would
obviously lead to recursion. Furthermore, the same commit added
another, more specialized getter function get_commit_tree_in_graph(),
whose legitimate direct access to 'maybe_tree' triggers a similar
wrong transformation suggestion.
Exclude both of these getter functions from the general rule in
'commit.cocci' that matches their direct accesses to 'maybe_tree'.
Also exclude load_tree_for_commit(), which, as static helper funcion
of get_commit_tree_in_graph(), has legitimate direct access to
'maybe_tree' as well.
The last rule transforming back 'return get_commit_tree()' statements
to direct accesses thus became unnecessary, remove it.
Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com>
Acked-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The functionality is now implemented as `git replace
--convert-graft-file`.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Similar to the `preserve` mode simply passing the `--preserve-merges`
option to the `rebase` command, the `merges` mode simply passes the
`--rebase-merges` option.
This will allow users to conveniently rebase non-trivial commit
topologies when pulling new commits, without flattening them.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Once upon a time, this here developer thought: wouldn't it be nice if,
say, Git for Windows' patches on top of core Git could be represented as
a thicket of branches, and be rebased on top of core Git in order to
maintain a cherry-pick'able set of patch series?
The original attempt to answer this was: git rebase --preserve-merges.
However, that experiment was never intended as an interactive option,
and it only piggy-backed on git rebase --interactive because that
command's implementation looked already very, very familiar: it was
designed by the same person who designed --preserve-merges: yours truly.
Some time later, some other developer (I am looking at you, Andreas!
;-)) decided that it would be a good idea to allow --preserve-merges to
be combined with --interactive (with caveats!) and the Git maintainer
(well, the interim Git maintainer during Junio's absence, that is)
agreed, and that is when the glamor of the --preserve-merges design
started to fall apart rather quickly and unglamorously.
The reason? In --preserve-merges mode, the parents of a merge commit (or
for that matter, of *any* commit) were not stated explicitly, but were
*implied* by the commit name passed to the `pick` command.
This made it impossible, for example, to reorder commits. Not to mention
to move commits between branches or, deity forbid, to split topic branches
into two.
Alas, these shortcomings also prevented that mode (whose original
purpose was to serve Git for Windows' needs, with the additional hope
that it may be useful to others, too) from serving Git for Windows'
needs.
Five years later, when it became really untenable to have one unwieldy,
big hodge-podge patch series of partly related, partly unrelated patches
in Git for Windows that was rebased onto core Git's tags from time to
time (earning the undeserved wrath of the developer of the ill-fated
git-remote-hg series that first obsoleted Git for Windows' competing
approach, only to be abandoned without maintainer later) was really
untenable, the "Git garden shears" were born [*1*/*2*]: a script,
piggy-backing on top of the interactive rebase, that would first
determine the branch topology of the patches to be rebased, create a
pseudo todo list for further editing, transform the result into a real
todo list (making heavy use of the `exec` command to "implement" the
missing todo list commands) and finally recreate the patch series on
top of the new base commit.
That was in 2013. And it took about three weeks to come up with the
design and implement it as an out-of-tree script. Needless to say, the
implementation needed quite a few years to stabilize, all the while the
design itself proved itself sound.
With this patch, the goodness of the Git garden shears comes to `git
rebase -i` itself. Passing the `--rebase-merges` option will generate
a todo list that can be understood readily, and where it is obvious
how to reorder commits. New branches can be introduced by inserting
`label` commands and calling `merge <label>`. And once this mode will
have become stable and universally accepted, we can deprecate the design
mistake that was `--preserve-merges`.
Link *1*:
https://github.com/msysgit/msysgit/blob/master/share/msysGit/shears.sh
Link *2*:
https://github.com/git-for-windows/build-extra/blob/master/shears.sh
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Rename bunch of source files to more consistently use dashes
instead of underscores to connect words.
* sb/filenames-with-dashes:
replace_object.c: rename to use dash in file name
sha1_file.c: rename to use dash in file name
sha1_name.c: rename to use dash in file name
exec_cmd: rename to use dash in file name
unicode_width.h: rename to use dash in file name
write_or_die.c: rename to use dashes in file name
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Shell completion (in contrib) that gives list of paths have been
optimized somewhat.
* cb/bash-completion-ls-files-processing:
completion: improve ls-files filter performance
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We define 'git stash -p' as an alias for 'git stash push -p' in the
manpage. Do the same in the completion script, so all options that
can be given to 'git stash push' are being completed when the user is
using 'git stash -p --<tab>'. Currently the only additional option
the user will get is '--message', but there may be more in the future.
Signed-off-by: Thomas Gummerer <t.gummerer@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The 'save' subcommand in git stash has been deprecated in
fd2ebf14db ("stash: mark "git stash save" deprecated in the man page",
2017-10-22).
Stop showing it when the users enters 'git stash <tab>' or 'git stash
s<tab>'. Keep showing it however when the user enters 'git stash sa<tab>'
or any more characters of the 'save' subcommand. This is designed to
not encourage users to use 'git stash save', but still leaving the
completion option once it's clear that's what the user means.
Signed-off-by: Thomas Gummerer <t.gummerer@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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To get the names of all '$__git_builtin_*' variables caching --options
of builtin commands in order to unset them, 8b0eaa41f2 (completion:
clear cached --options when sourcing the completion script,
2018-03-22) runs a 'set |sed s///' pipeline. This works both in Bash
and in ZSH, but has a higher than necessary overhead with the extra
processes.
In Bash we can do better: run the 'compgen -v __gitcomp_builtin_'
builtin command, which lists the same variables, but without a
pipeline and 'sed' it can do so with lower overhead.
ZSH will still continue to run that pipeline.
This change also happens to work around an issue in the default Bash
version shipped in macOS (3.2.57), reported by users of the Powerline
shell prompt, which was triggered by the same commit 8b0eaa41f2 as
well. Powerline uses several Unicode Private Use Area code points to
represent some of its pretty text UI elements (arrows and what not),
and these are stored in the $PS1 variable. Apparently the 'set'
builtin of said Bash version on macOS has issues with these code
points, and produces garbled output where Powerline's special symbols
should be in the $PS1 variable. This, in turn, triggers the following
error message in the downstream 'sed' process:
sed: RE error: illegal byte sequence
Other Bash versions, notably 4.4.19 on macOS via homebrew (i.e. a
newer version on the same platform) and 3.2.25 on CentOS (i.e. a
slightly earlier version, though on a different platform) are not
affected. ZSH in macOS (the versions shipped by default or installed
via homebrew) or on other platforms isn't affected either.
With this patch neither the 'set' builtin is invoked to print garbage,
nor 'sed' to choke on it.
Issue-on-macOS-reported-by: Stephon Harris <theonestep4@gmail.com>
Issue-on-macOS-explained-by: Matthew Coleman <matt@1eanda.com>
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, when a lot of path components have
to be listed, a significant amount of time is spent in
__gitcomp_file(), or more accurately in the shell loop of
__gitcompappend(), iterating over all the path components filtering
path components matching the current word to be completed, adding
prefix path components, and placing the resulting matching paths into
the COMPREPLY array.
Now, a previous patch in this series made 'git ls-files' and 'git
diff-index' list only paths matching the current word to be completed,
so an additional filtering in __gitcomp_file() is not necessary
anymore. Adding the prefix path components could be done much more
efficiently in __git_index_files()'s 'awk' script while stripping
trailing path components and removing duplicates and quoting. And
then the resulting paths won't require any more filtering or
processing before being handed over to Bash, so we could fill the
COMPREPLY array directly.
Unfortunately, we can't simply use the __gitcomp_direct() helper
function to do that, because __gitcomp_file() does one additional
thing: it tells Bash that we are doing filename completion, so the
shell will kindly do four important things for us:
1. Append a trailing space to all filenames.
2. Append a trailing '/' to all directory names.
3. Escape any meta, globbing, separator, etc. characters.
4. List only the current path component when listing possible
completions (i.e. 'dir/subdir/f<TAB>' will list 'file1', 'file2',
etc. instead of the whole 'dir/subdir/file1',
'dir/subdir/file2').
While we could let __git_index_files()'s 'awk' script take care of the
first two points, the third one gets tricky, and we absolutely need
the shell's support for the fourth.
Add the helper function __gitcomp_file_direct(), which, just like
__gitcomp_direct(), fills the COMPREPLY array with prefiltered and
preprocessed paths without any additional processing, without a shell
loop, with just one single compound assignment, and, similar to
__gitcomp_file(), tells Bash and ZSH that we are doing filename
completion. Extend __git_index_files()'s 'awk' script a bit to
prepend any prefix path components to all listed paths. Finally,
modify __git_complete_index_file() to feed __git_index_files()'s
output to ___gitcomp_file_direct() instead of __gitcomp_file().
After this patch there is no shell loop left in the path completion
code path.
This speeds up path completion when there are a lot of paths matching
the current word to be completed. In a pathological repository with
100k files in a single directory, listing all those files:
Before this patch, best of five, using GNU awk on Linux:
$ time cur=dir/ __git_complete_index_file
real 0m0.983s
user 0m1.004s
sys 0m0.033s
After:
real 0m0.313s
user 0m0.341s
sys 0m0.029s
Difference: -68.2%
Speedup: 3.1x
To see the benefits of the whole patch series, the same command with
v2.17.0:
real 0m2.736s
user 0m2.472s
sys 0m0.610s
Difference: -88.6%
Speedup: 8.7x
Note that this patch changes the output of the __git_index_files()
helper function by unconditionally prepending the prefix path
components to every listed path. This would break users' completion
scriptlets that directly run:
__gitcomp_file "$(__git_index_files ...)" "$pfx" "$cur_"
because that would add the prefix path components once more.
However, __git_index_files() is kind of a "helper function of a helper
function", and users' completion scriptlets should have been using
__git_complete_index_file() for git-aware path completion in the first
place, so this is likely doesn't worth worrying about.
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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Junio C Hamano
Ævar Arnfjörð Bjarmason
SZEDER Gábor
Łukasz Stelmach
Nguyễn Thái Ngọc Duy
Pedro Alvarez Piedehierro
Luis Marsano
Florian Gamböck
Johannes Schindelin
Thomas Gummerer