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Author SHA1 Message Date
Jeff Hostetler ee4512ed48 trace2: create new combined trace facility
Create a new unified tracing facility for git.  The eventual intent is to
replace the current trace_printf* and trace_performance* routines with a
unified set of git_trace2* routines.

In addition to the usual printf-style API, trace2 provides higer-level
event verbs with fixed-fields allowing structured data to be written.
This makes post-processing and analysis easier for external tools.

Trace2 defines 3 output targets.  These are set using the environment
variables "GIT_TR2", "GIT_TR2_PERF", and "GIT_TR2_EVENT".  These may be
set to "1" or to an absolute pathname (just like the current GIT_TRACE).

* GIT_TR2 is intended to be a replacement for GIT_TRACE and logs command
  summary data.

* GIT_TR2_PERF is intended as a replacement for GIT_TRACE_PERFORMANCE.
  It extends the output with columns for the command process, thread,
  repo, absolute and relative elapsed times.  It reports events for
  child process start/stop, thread start/stop, and per-thread function
  nesting.

* GIT_TR2_EVENT is a new structured format. It writes event data as a
  series of JSON records.

Calls to trace2 functions log to any of the 3 output targets enabled
without the need to call different trace_printf* or trace_performance*
routines.

Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-02-22 15:27:59 -08:00
Junio C Hamano 7589e63648 Merge branch 'nd/the-index-final'
The assumption to work on the single "in-core index" instance has
been reduced from the library-ish part of the codebase.

* nd/the-index-final:
  cache.h: flip NO_THE_INDEX_COMPATIBILITY_MACROS switch
  read-cache.c: remove the_* from index_has_changes()
  merge-recursive.c: remove implicit dependency on the_repository
  merge-recursive.c: remove implicit dependency on the_index
  sha1-name.c: remove implicit dependency on the_index
  read-cache.c: replace update_index_if_able with repo_&
  read-cache.c: kill read_index()
  checkout: avoid the_index when possible
  repository.c: replace hold_locked_index() with repo_hold_locked_index()
  notes-utils.c: remove the_repository references
  grep: use grep_opt->repo instead of explict repo argument
2019-02-06 22:05:23 -08:00
Nguyễn Thái Ngọc Duy f8adbec9fe cache.h: flip NO_THE_INDEX_COMPATIBILITY_MACROS switch
By default, index compat macros are off from now on, because they
could hide the_index dependency.

Only those in builtin can use it.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-01-24 11:55:06 -08:00
Junio C Hamano 3434569fc2 Merge branch 'nd/style-opening-brace'
Code clean-up.

* nd/style-opening-brace:
  style: the opening '{' of a function is in a separate line
2019-01-18 13:49:52 -08:00
Junio C Hamano 3813a89fae Merge branch 'nd/i18n'
More _("i18n") markings.

* nd/i18n:
  fsck: mark strings for translation
  fsck: reduce word legos to help i18n
  parse-options.c: mark more strings for translation
  parse-options.c: turn some die() to BUG()
  parse-options: replace opterror() with optname()
  repack: mark more strings for translation
  remote.c: mark messages for translation
  remote.c: turn some error() or die() to BUG()
  reflog: mark strings for translation
  read-cache.c: add missing colon separators
  read-cache.c: mark more strings for translation
  read-cache.c: turn die("internal error") to BUG()
  attr.c: mark more string for translation
  archive.c: mark more strings for translation
  alias.c: mark split_cmdline_strerror() strings for translation
  git.c: mark more strings for translation
2019-01-04 13:33:31 -08:00
Nguyễn Thái Ngọc Duy 3b3357626e style: the opening '{' of a function is in a separate line
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-12-10 15:41:09 +09:00
Nguyễn Thái Ngọc Duy a7412ae134 alias.c: mark split_cmdline_strerror() strings for translation
This function can be part of translated messages. To make sure we
don't have a sentence with mixed languages, mark the strings for
translation, but only use translated strings in places we know we will
output translated strings.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-11-12 14:47:09 +09:00
Nguyễn Thái Ngọc Duy 8aa8c14097 git.c: mark more strings for translation
One string is slightly updated to keep consistency with the rest:
die() should begin with lowercase.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-11-12 14:47:09 +09:00
Junio C Hamano b49ef560ed Merge branch 'ag/rebase-i-in-c'
Rewrite of the remaining "rebase -i" machinery in C.

* ag/rebase-i-in-c:
  rebase -i: move rebase--helper modes to rebase--interactive
  rebase -i: remove git-rebase--interactive.sh
  rebase--interactive2: rewrite the submodes of interactive rebase in C
  rebase -i: implement the main part of interactive rebase as a builtin
  rebase -i: rewrite init_basic_state() in C
  rebase -i: rewrite write_basic_state() in C
  rebase -i: rewrite the rest of init_revisions_and_shortrevisions() in C
  rebase -i: implement the logic to initialize $revisions in C
  rebase -i: remove unused modes and functions
  rebase -i: rewrite complete_action() in C
  t3404: todo list with commented-out commands only aborts
  sequencer: change the way skip_unnecessary_picks() returns its result
  sequencer: refactor append_todo_help() to write its message to a buffer
  rebase -i: rewrite checkout_onto() in C
  rebase -i: rewrite setup_reflog_action() in C
  sequencer: add a new function to silence a command, except if it fails
  rebase -i: rewrite the edit-todo functionality in C
  editor: add a function to launch the sequence editor
  rebase -i: rewrite append_todo_help() in C
  sequencer: make three functions and an enum from sequencer.c public
2018-11-02 11:04:53 +09:00
Junio C Hamano 5ae50845d8 Merge branch 'pk/rebase-in-c'
Rewrite of the "rebase" machinery in C.

* pk/rebase-in-c:
  builtin/rebase: support running "git rebase <upstream>"
  rebase: refactor common shell functions into their own file
  rebase: start implementing it as a builtin
2018-11-02 11:04:52 +09:00
Junio C Hamano 7752999cd6 Merge branch 'rv/alias-help'
"git cmd --help" when "cmd" is aliased used to only say "cmd is
aliased to ...".  Now it shows that to the standard error stream
and runs "git $cmd --help" where $cmd is the first word of the
alias expansion.

This could be misleading for those who alias a command with options
(e.g. with "[alias] cpn = cherry-pick -n", "git cpn --help" would
show the manual of "cherry-pick", and the reader would not be told
to pay close attention to the part that describes the "--no-commit"
option until closing the pager that showed the contents of the
manual, if the pager is configured to restore the original screen,
or would not be told at all, if the pager simply makes the message
on the standard error scroll away.

* rv/alias-help:
  git-help.txt: document "git help cmd" vs "git cmd --help" for aliases
  git.c: handle_alias: prepend alias info when first argument is -h
  help: redirect to aliased commands for "git cmd --help"
2018-10-26 14:22:13 +09:00
Junio C Hamano 506ee60d22 Merge branch 'ts/alias-of-alias'
An alias that expands to another alias has so far been forbidden,
but now it is allowed to create such an alias.

* ts/alias-of-alias:
  t0014: introduce an alias testing suite
  alias: show the call history when an alias is looping
  alias: add support for aliases of an alias
2018-10-16 16:15:59 +09:00
Rasmus Villemoes a9a60b94cc git.c: handle_alias: prepend alias info when first argument is -h
Most git commands respond to -h anywhere in the command line, or at
least as a first and lone argument, by printing the usage
information. For aliases, we can provide a little more information that
might be useful in interpreting/understanding the following output by
prepending a line telling that the command is an alias, and for what.

When one invokes a simple alias, such as "cp = cherry-pick"
with -h, this results in

$ git cp -h
'cp' is aliased to 'cherry-pick'
usage: git cherry-pick [<options>] <commit-ish>...
...

When the alias consists of more than one word, this provides the
additional benefit of informing the user which options are implicit in
using the alias, e.g. with "cp = cherry-pick -n":

$ git cp -h
'cp' is aliased to 'cherry-pick -n'
usage: git cherry-pick [<options>] <commit-ish>...
...

For shell commands, we cannot know how it responds to -h, but printing
this line to stderr should not hurt, and can help in figuring out what
is happening in a case like

$ git sc -h
'sc' is aliased to '!somecommand'
somecommand: invalid option '-h'

Suggested-by: Jeff King <peff@peff.net>
Signed-off-by: Rasmus Villemoes <rv@rasmusvillemoes.dk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-10-11 10:21:43 +09:00
Alban Gruin 34b47315d9 rebase -i: move rebase--helper modes to rebase--interactive
This moves the rebase--helper modes still used by
git-rebase--preserve-merges.sh (`--shorten-ids`, `--expand-ids`,
`--check-todo-list`, `--rearrange-squash` and `--add-exec-commands`) to
rebase--interactive.c.

git-rebase--preserve-merges.sh is modified accordingly, and
rebase--helper.c is removed as it is useless now.

Signed-off-by: Alban Gruin <alban.gruin@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-10-09 10:44:10 +09:00
Alban Gruin cf808208ec rebase -i: remove git-rebase--interactive.sh
This removes git-rebase--interactive.sh, as its functionnality has been
replaced by git-rebase--interactive2.

git-rebase--interactive2.c is then renamed to git-rebase--interactive.c.

Signed-off-by: Alban Gruin <alban.gruin@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-10-09 10:44:10 +09:00
Alban Gruin 53bbcfbde7 rebase -i: implement the main part of interactive rebase as a builtin
This rewrites the part of interactive rebase which initializes the
basic state, make the script and complete the action, as a buitin, named
git-rebase--interactive2 for now.  Others modes (`--continue`,
`--edit-todo`, etc.) will be rewritten in the next commit.

git-rebase--interactive.sh is modified to call git-rebase--interactive2
instead of git-rebase--helper.

Signed-off-by: Alban Gruin <alban.gruin@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-10-09 10:44:10 +09:00
Tim Schumacher 82f71d9a5a alias: show the call history when an alias is looping
Just printing the command that the user entered is not particularly
helpful when trying to find the alias that causes the loop.

Print the history of substituted commands to help the user find the
offending alias. Mark the entrypoint of the loop with "<==" and the
last command (which looped back to the entrypoint) with "==>".

Signed-off-by: Tim Schumacher <timschumi@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-09-17 08:50:04 -07:00
Tim Schumacher c6d75bc17a alias: add support for aliases of an alias
Aliases can only contain non-alias git commands and their arguments,
not other user-defined aliases.  Resolving further (nested) aliases
is prevented by breaking the loop after the first alias was
processed.  Git then fails with a command-not-found error.

Allow resolving nested aliases by not breaking the loop in
run_argv() after the first alias was processed.  Instead, continue
the loop until `handle_alias()` fails, which means that there are no
further aliases that can be processed.  Prevent looping aliases by
storing substituted commands in `cmd_list` and checking if a command
has been substituted previously.

While we're at it, fix a styling issue just below the added code.

Signed-off-by: Tim Schumacher <timschumi@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-09-17 08:27:52 -07:00
Junio C Hamano c00ba2233e Sync 'ds/multi-pack-index' to v2.19.0-rc0
* ds/multi-pack-index: (23 commits)
  midx: clear midx on repack
  packfile: skip loading index if in multi-pack-index
  midx: prevent duplicate packfile loads
  midx: use midx in approximate_object_count
  midx: use existing midx when writing new one
  midx: use midx in abbreviation calculations
  midx: read objects from multi-pack-index
  config: create core.multiPackIndex setting
  midx: write object offsets
  midx: write object id fanout chunk
  midx: write object ids in a chunk
  midx: sort and deduplicate objects from packfiles
  midx: read pack names into array
  multi-pack-index: write pack names in chunk
  multi-pack-index: read packfile list
  packfile: generalize pack directory list
  t5319: expand test data
  multi-pack-index: load into memory
  midx: write header information to lockfile
  multi-pack-index: add 'write' verb
  ...
2018-08-20 15:29:54 -07:00
Junio C Hamano 81eab6871e Merge branch 'js/range-diff'
"git tbdiff" that lets us compare individual patches in two
iterations of a topic has been rewritten and made into a built-in
command.

* js/range-diff: (21 commits)
  range-diff: use dim/bold cues to improve dual color mode
  range-diff: make --dual-color the default mode
  range-diff: left-pad patch numbers
  completion: support `git range-diff`
  range-diff: populate the man page
  range-diff --dual-color: skip white-space warnings
  range-diff: offer to dual-color the diffs
  diff: add an internal option to dual-color diffs of diffs
  color: add the meta color GIT_COLOR_REVERSE
  range-diff: use color for the commit pairs
  range-diff: add tests
  range-diff: do not show "function names" in hunk headers
  range-diff: adjust the output of the commit pairs
  range-diff: suppress the diff headers
  range-diff: indent the diffs just like tbdiff
  range-diff: right-trim commit messages
  range-diff: also show the diff between patches
  range-diff: improve the order of the shown commits
  range-diff: first rudimentary implementation
  Introduce `range-diff` to compare iterations of a topic branch
  ...
2018-08-20 11:33:53 -07:00
Junio C Hamano 1689c22c1c Merge branch 'jk/core-use-replace-refs'
A new configuration variable core.usereplacerefs has been added,
primarily to help server installations that want to ignore the
replace mechanism altogether.

* jk/core-use-replace-refs:
  add core.usereplacerefs config option
  check_replace_refs: rename to read_replace_refs
  check_replace_refs: fix outdated comment
2018-08-15 15:08:23 -07:00
Johannes Schindelin 348ae56cb2 Introduce `range-diff` to compare iterations of a topic branch
This command does not do a whole lot so far, apart from showing a usage
that is oddly similar to that of `git tbdiff`. And for a good reason:
the next commits will turn `range-branch` into a full-blown replacement
for `tbdiff`.

At this point, we ignore tbdiff's color options, as they will all be
implemented later using diff_options.

Since f318d73915 (generate-cmds.sh: export all commands to
command-list.h, 2018-05-10), every new command *requires* a man page to
build right away, so let's also add a blank man page, too.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-08-13 10:44:50 -07:00
Pratik Karki 55071ea248 rebase: start implementing it as a builtin
This commit imitates the strategy that was used to convert the
difftool to a builtin. We start by renaming the shell script
`git-rebase.sh` to `git-legacy-rebase.sh` and introduce a
`builtin/rebase.c` that simply executes the shell script version,
unless the config setting `rebase.useBuiltin` is set to `true`.

The motivation behind this is to rewrite all the functionality of the
shell script version in the aforementioned `rebase.c`, one by one and
be able to conveniently test new features by configuring
`rebase.useBuiltin`.

In the original difftool conversion, if sane_execvp() that attempts to
run the legacy scripted version returned with non-negative status, the
command silently exited without doing anything with success, but
sane_execvp() should not return with non-negative status in the first
place, so we use die() to notice such an abnormal case.

We intentionally avoid reading the config directly to avoid
messing up the GIT_* environment variables when we need to fall back to
exec()ing the shell script. The test of builtin rebase can be done by
`git -c rebase.useBuiltin=true rebase ...`

Signed-off-by: Pratik Karki <predatoramigo@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-08-06 13:08:01 -07:00
Junio C Hamano ae533c4a92 Merge branch 'jm/cache-entry-from-mem-pool'
For a large tree, the index needs to hold many cache entries
allocated on heap.  These cache entries are now allocated out of a
dedicated memory pool to amortize malloc(3) overhead.

* jm/cache-entry-from-mem-pool:
  block alloc: add validations around cache_entry lifecyle
  block alloc: allocate cache entries from mem_pool
  mem-pool: fill out functionality
  mem-pool: add life cycle management functions
  mem-pool: only search head block for available space
  block alloc: add lifecycle APIs for cache_entry structs
  read-cache: teach make_cache_entry to take object_id
  read-cache: teach refresh_cache_entry to take istate
2018-08-02 15:30:43 -07:00
Derrick Stolee 6a257f03ba multi-pack-index: add builtin
This new 'git multi-pack-index' builtin will be the plumbing access
for writing, reading, and checking multi-pack-index files. The
initial implementation is a no-op.

Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-07-20 11:27:26 -07:00
Jeff King 6ebd1cafe2 check_replace_refs: rename to read_replace_refs
This was added as a NEEDSWORK in c3c36d7de2 (replace-object:
check_replace_refs is safe in multi repo environment, 2018-04-11),
waiting for a calmer period. Since doing so now doesn't conflict
with anything in 'pu', it seems as good a time as any.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-07-18 15:45:14 -07:00
Junio C Hamano 00624d608c Merge branch 'sb/object-store-grafts'
The conversion to pass "the_repository" and then "a_repository"
throughout the object access API continues.

* sb/object-store-grafts:
  commit: allow lookup_commit_graft to handle arbitrary repositories
  commit: allow prepare_commit_graft to handle arbitrary repositories
  shallow: migrate shallow information into the object parser
  path.c: migrate global git_path_* to take a repository argument
  cache: convert get_graft_file to handle arbitrary repositories
  commit: convert read_graft_file to handle arbitrary repositories
  commit: convert register_commit_graft to handle arbitrary repositories
  commit: convert commit_graft_pos() to handle arbitrary repositories
  shallow: add repository argument to is_repository_shallow
  shallow: add repository argument to check_shallow_file_for_update
  shallow: add repository argument to register_shallow
  shallow: add repository argument to set_alternate_shallow_file
  commit: add repository argument to lookup_commit_graft
  commit: add repository argument to prepare_commit_graft
  commit: add repository argument to read_graft_file
  commit: add repository argument to register_commit_graft
  commit: add repository argument to commit_graft_pos
  object: move grafts to object parser
  object-store: move object access functions to object-store.h
2018-07-18 12:20:28 -07:00
Jameson Miller 8616a2d0cb block alloc: add validations around cache_entry lifecyle
Add an option (controlled by an environment variable) perform extra
validations on mem_pool allocated cache entries. When set:

  1) Invalidate cache_entry memory when discarding cache_entry.

  2) When discarding index_state struct, verify that all cache_entries
     were allocated from expected mem_pool.

  3) When discarding mem_pools, invalidate mem_pool memory.

This should provide extra checks that mem_pools and their allocated
cache_entries are being used as expected.

Signed-off-by: Jameson Miller <jamill@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-07-03 10:58:27 -07:00
Junio C Hamano fa82bb70d9 Merge branch 'jk/show-index'
Modernize a less often used command.

* jk/show-index:
  show-index: update documentation for index v2
  make show-index a builtin
2018-06-25 13:22:37 -07:00
Junio C Hamano 2289880f78 Merge branch 'nd/command-list'
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
2018-06-01 15:06:37 +09:00
Jeff King ff417260cf make show-index a builtin
The git-show-index command is built as its own separate
program. There's really no good reason for this, and it
means we waste extra space on disk (and CPU time running the
linker). Let's fold it in to the main binary as a builtin.

The history here is actually a bit amusing. The program
itself is mostly self-contained, and doesn't even use our
normal pack index code. In a5031214c4 (slim down "git
show-index", 2010-01-21), we even stopped using xmalloc() so
that it could avoid libgit.a entirely. But then 040a655116
(cleanup: use internal memory allocation wrapper functions
everywhere, 2011-10-06) switched that back to xmalloc, which
later become ALLOC_ARRAY().

Making it a builtin should give us the best of both worlds:
no wasted space and no need to avoid the usual patterns.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-05-29 00:28:22 +09:00
Junio C Hamano c9aac55c4e Merge branch 'js/no-pager-shorthand'
"git --no-pager cmd" did not have short-and-sweet single letter
option. Now it does.

* js/no-pager-shorthand:
  git: add -P as a short option for --no-pager
2018-05-23 14:38:18 +09:00
Nguyễn Thái Ngọc Duy 6532f3740b completion: allow to customize the completable command list
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>
2018-05-21 13:23:14 +09:00
Nguyễn Thái Ngọc Duy 3301d36b29 completion: add and use --list-cmds=alias
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>
2018-05-21 13:23:14 +09:00
Nguyễn Thái Ngọc Duy e11dca10cf completion: add and use --list-cmds=nohelpers
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-05-21 13:23:14 +09:00
Nguyễn Thái Ngọc Duy 65b5f9483e Move declaration for alias.c to alias.h
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-05-21 13:23:14 +09:00
Nguyễn Thái Ngọc Duy 3c7777672b git: support --list-cmds=list-<category>
This allows us to select any group of commands by a category defined
in command-list.txt. This is an internal/hidden option so we don't
have to be picky about the category name or worried about exposing too
much.

This will be used later by git-completion.bash to retrieve certain
command groups.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-05-21 13:23:14 +09:00
Nguyễn Thái Ngọc Duy 6bb2dc0b94 completion: implement and use --list-cmds=main,others
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>
2018-05-21 13:23:14 +09:00
Nguyễn Thái Ngọc Duy e5d7a61953 git --list-cmds: collect command list in a string_list
Instead of printing the command directly one by one, keep them in a
list and print at the end. This allows more modification before we
print out (e.g. sorting, removing duplicates or even excluding some
items).

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-05-21 13:23:14 +09:00
Nguyễn Thái Ngọc Duy 0089521cac git.c: convert --list-* to --list-cmds=*
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>
2018-05-21 13:23:13 +09:00
Stefan Beller 6a2df51c84 shallow: add repository argument to set_alternate_shallow_file
Add a repository argument to allow callers of set_alternate_shallow_file
to be more specific about which repository to handle. This is a small
mechanical change; it doesn't change the implementation to handle
repositories other than the_repository yet.

As with the previous commits, use a macro to catch callers passing a
repository other than the_repository at compile time.

Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-05-18 08:13:10 +09:00
Junio C Hamano b10edb2df5 Merge branch 'ds/commit-graph'
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()
2018-05-08 15:59:20 +09:00
Junio C Hamano 92034a9cd5 Merge branch 'dj/runtime-prefix'
A build-time option has been added to allow Git to be told to refer
to its associated files relative to the main binary, in the same
way that has been possible on Windows for quite some time, for
Linux, BSDs and Darwin.

* dj/runtime-prefix:
  Makefile: quote $INSTLIBDIR when passing it to sed
  Makefile: remove unused @@PERLLIBDIR@@ substitution variable
  mingw/msvc: use the new-style RUNTIME_PREFIX helper
  exec_cmd: provide a new-style RUNTIME_PREFIX helper for Windows
  exec_cmd: RUNTIME_PREFIX on some POSIX systems
  Makefile: add Perl runtime prefix support
  Makefile: generate Perl header from template file
2018-05-08 15:59:17 +09:00
Junio C Hamano 9bfa0f9be3 Merge branch 'bw/protocol-v2'
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
  ...
2018-05-08 15:59:16 +09:00
Johannes Sixt 7213c28818 git: add -P as a short option for --no-pager
It is possible to configure 'less', the pager, to use an alternate
screen to show the content, for example, by setting LESS=RS in the
environment. When it is closed in this configuration, it switches
back to the original screen, and all content is gone.

It is not uncommon to request that the output remains visible in
the terminal. For this, the option --no-pager can be used. But
it is a bit cumbersome to type, even when command completion is
available. Provide a short option, -P, to make the option more
easily accessible.

Signed-off-by: Johannes Sixt <j6t@kdbg.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-05-04 14:35:38 +09:00
Stefan Beller d807c4a01d exec_cmd: rename to use dash in file name
This is more consistent with the project style. The majority of Git's
source files use dashes in preference to underscores in their file names.

Signed-off-by: Stefan Beller <sbeller@google.com>
2018-04-11 18:11:00 +09:00
Dan Jacques 226c0ddd0d exec_cmd: RUNTIME_PREFIX on some POSIX systems
Enable Git to resolve its own binary location using a variety of
OS-specific and generic methods, including:

- procfs via "/proc/self/exe" (Linux)
- _NSGetExecutablePath (Darwin)
- KERN_PROC_PATHNAME sysctl on BSDs.
- argv0, if absolute (all, including Windows).

This is used to enable RUNTIME_PREFIX support for non-Windows systems,
notably Linux and Darwin. When configured with RUNTIME_PREFIX, Git will
do a best-effort resolution of its executable path and automatically use
this as its "exec_path" for relative helper and data lookups, unless
explicitly overridden.

Small incidental formatting cleanup of "exec_cmd.c".

Signed-off-by: Dan Jacques <dnj@google.com>
Thanks-to: Robbie Iannucci <iannucci@google.com>
Thanks-to: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-04-11 18:10:28 +09:00
Junio C Hamano ef06d74b45 Merge branch 'nd/parseopt-completion-more'
The mechanism to use parse-options API to automate the command line
completion continues to get extended and polished.

* nd/parseopt-completion-more:
  completion: use __gitcomp_builtin in _git_cherry
  completion: use __gitcomp_builtin in _git_ls_tree
  completion: delete option-only completion commands
  completion: add --option completion for most builtin commands
  completion: factor out _git_xxx calling code
  completion: mention the oldest version we need to support
  git.c: add hidden option --list-parseopt-builtins
  git.c: move cmd_struct declaration up
2018-04-10 16:28:22 +09:00
Derrick Stolee 4ce58ee38d commit-graph: create git-commit-graph builtin
Teach git the 'commit-graph' builtin that will be used for writing and
reading packed graph files. The current implementation is mostly
empty, except for an '--object-dir' option.

Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-04-02 14:27:38 -07:00
Nguyễn Thái Ngọc Duy e954794779 git.c: add hidden option --list-parseopt-builtins
This is another step to help automate git-completion.bash. This option
gives a list of all builtin commands that do use parse_options(),
which supports another hidden option --git-completion-helper. The
output is prepared for easy consumption by git-completion.bash and
separates items by spaces instead of \n

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-03-25 09:33:17 -07:00