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6 years agoReplace all die("BUG: ...") calls by BUG() ones
Johannes Schindelin [Wed, 2 May 2018 09:38:39 +0000 (11:38 +0200)] 
Replace all die("BUG: ...") calls by BUG() ones

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>
6 years agorun-command: use BUG() to report bugs, not die()
Johannes Schindelin [Wed, 2 May 2018 09:38:31 +0000 (11:38 +0200)] 
run-command: use BUG() to report bugs, not die()

The slightly misleading name die_bug() of the function intended to
report a bug is actually called always, and only reports a bug if the
passed-in parameter `err` is non-zero.

It uses die_errno() to report the bug, to helpfully include the error
message corresponding to `err`.

However, as these messages indicate bugs, we really should use BUG().
And as BUG() is a macro to be able to report the exact file and line
number, we need to convert die_bug() to a macro instead of only
replacing the die_errno() by a call to BUG().

While at it, use a name more indicative of the purpose: CHECK_BUG().

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
6 years agotest-tool: help verifying BUG() code paths
Johannes Schindelin [Wed, 2 May 2018 09:38:28 +0000 (11:38 +0200)] 
test-tool: help verifying BUG() code paths

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>
6 years agoThe fourth batch for 2.18
Junio C Hamano [Wed, 25 Apr 2018 04:44:42 +0000 (13:44 +0900)] 
The fourth batch for 2.18

Signed-off-by: Junio C Hamano <gitster@pobox.com>
6 years agoMerge branch 'jm/mem-pool'
Junio C Hamano [Wed, 25 Apr 2018 04:29:06 +0000 (13:29 +0900)] 
Merge branch 'jm/mem-pool'

An reusable "memory pool" implementation has been extracted from
fast-import.c, which in turn has become the first user of the
mem-pool API.

* jm/mem-pool:
  mem-pool: move reusable parts of memory pool into its own file
  fast-import: introduce mem_pool type
  fast-import: rename mem_pool type to mp_block

6 years agoMerge branch 'tg/use-git-contacts'
Junio C Hamano [Wed, 25 Apr 2018 04:29:05 +0000 (13:29 +0900)] 
Merge branch 'tg/use-git-contacts'

Doc update.

* tg/use-git-contacts:
  SubmittingPatches: mention the git contacts command

6 years agoMerge branch 'sb/filenames-with-dashes'
Junio C Hamano [Wed, 25 Apr 2018 04:29:05 +0000 (13:29 +0900)] 
Merge branch 'sb/filenames-with-dashes'

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

6 years agoMerge branch 'cc/perf-bisect'
Junio C Hamano [Wed, 25 Apr 2018 04:29:04 +0000 (13:29 +0900)] 
Merge branch 'cc/perf-bisect'

Performance measuring framework in t/perf learned to help bisecting
performance regressions.

* cc/perf-bisect:
  t/perf: add scripts to bisect performance regressions
  perf/run: add --subsection option

6 years agoMerge branch 'bp/fsmonitor-prime-index'
Junio C Hamano [Wed, 25 Apr 2018 04:29:04 +0000 (13:29 +0900)] 
Merge branch 'bp/fsmonitor-prime-index'

The index file is updated to record the fsmonitor section after a
full scan was made, to avoid wasting the effort that has already
spent.

* bp/fsmonitor-prime-index:
  fsmonitor: force index write after full scan

6 years agoMerge branch 'bp/fsmonitor-bufsize-fix'
Junio C Hamano [Wed, 25 Apr 2018 04:29:03 +0000 (13:29 +0900)] 
Merge branch 'bp/fsmonitor-bufsize-fix'

Fix an unexploitable (because the oversized contents are not under
attacker's control) buffer overflow.

* bp/fsmonitor-bufsize-fix:
  fsmonitor: fix incorrect buffer size when printing version number

6 years agoMerge branch 'cb/bash-completion-ls-files-processing'
Junio C Hamano [Wed, 25 Apr 2018 04:29:02 +0000 (13:29 +0900)] 
Merge branch 'cb/bash-completion-ls-files-processing'

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

6 years agoMerge branch 'es/worktree-docs'
Junio C Hamano [Wed, 25 Apr 2018 04:29:02 +0000 (13:29 +0900)] 
Merge branch 'es/worktree-docs'

Doc updates.

* es/worktree-docs:
  git-worktree.txt: unify command-line prompt in example blocks
  git-worktree.txt: recommend 'git worktree remove' over manual deletion

6 years agoMerge branch 'es/fread-reads-dir-autoconf-fix'
Junio C Hamano [Wed, 25 Apr 2018 04:29:01 +0000 (13:29 +0900)] 
Merge branch 'es/fread-reads-dir-autoconf-fix'

Small fix to the autoconf build procedure.

* es/fread-reads-dir-autoconf-fix:
  configure.ac: fix botched FREAD_READS_DIRECTORIES check

6 years agoMerge branch 'ps/test-chmtime-get'
Junio C Hamano [Wed, 25 Apr 2018 04:29:00 +0000 (13:29 +0900)] 
Merge branch 'ps/test-chmtime-get'

Test cleanup.

* ps/test-chmtime-get:
  t/helper: 'test-chmtime (--get|-g)' to print only the mtime

6 years agoMerge branch 'js/t5404-path-fix'
Junio C Hamano [Wed, 25 Apr 2018 04:29:00 +0000 (13:29 +0900)] 
Merge branch 'js/t5404-path-fix'

Test fix.

* js/t5404-path-fix:
  t5404: relax overzealous test

6 years agoMerge branch 'jk/ref-array-push'
Junio C Hamano [Wed, 25 Apr 2018 04:28:59 +0000 (13:28 +0900)] 
Merge branch 'jk/ref-array-push'

API clean-up aournd ref-filter code.

* jk/ref-array-push:
  ref-filter: factor ref_array pushing into its own function
  ref-filter: make ref_array_item allocation more consistent
  ref-filter: use "struct object_id" consistently

6 years agoMerge branch 'en/doc-typoes'
Junio C Hamano [Wed, 25 Apr 2018 04:28:58 +0000 (13:28 +0900)] 
Merge branch 'en/doc-typoes'

Docfix.

* en/doc-typoes:
  Documentation: normalize spelling of 'normalised'
  Documentation: fix several one-character-off spelling errors

6 years agoMerge branch 'lw/daemon-log-destination'
Junio C Hamano [Wed, 25 Apr 2018 04:28:58 +0000 (13:28 +0900)] 
Merge branch 'lw/daemon-log-destination'

Recent introduction of "--log-destination" option to "git daemon"
did not work well when the daemon was run under "--inetd" mode.

* lw/daemon-log-destination:
  daemon.c: fix condition for redirecting stderr

6 years agoMerge branch 'mn/send-email-credential-doc'
Junio C Hamano [Wed, 25 Apr 2018 04:28:57 +0000 (13:28 +0900)] 
Merge branch 'mn/send-email-credential-doc'

Doc update.

* mn/send-email-credential-doc:
  send-email: simplify Gmail example in the documentation

6 years agoMerge branch 'ak/bisect-doc-typofix'
Junio C Hamano [Wed, 25 Apr 2018 04:28:56 +0000 (13:28 +0900)] 
Merge branch 'ak/bisect-doc-typofix'

Docfix.

* ak/bisect-doc-typofix:
  Documentation/git-bisect.txt: git bisect term → git bisect terms

6 years agoMerge branch 'br/mergetools-guiffy'
Junio C Hamano [Wed, 25 Apr 2018 04:28:54 +0000 (13:28 +0900)] 
Merge branch 'br/mergetools-guiffy'

"git mergetools" learned talking to guiffy.

* br/mergetools-guiffy:
  mergetools: add support for guiffy

6 years agoMerge branch 'nd/worktree-move'
Junio C Hamano [Wed, 25 Apr 2018 04:28:54 +0000 (13:28 +0900)] 
Merge branch 'nd/worktree-move'

Test update.

* nd/worktree-move:
  t2028: tighten grep expression to make "move worktree" test more robust

6 years agoMerge branch 'ks/branch-list-detached-rebase-i'
Junio C Hamano [Wed, 25 Apr 2018 04:28:53 +0000 (13:28 +0900)] 
Merge branch 'ks/branch-list-detached-rebase-i'

"git branch --list" during an interrupted "rebase -i" now lets
users distinguish the case where a detached HEAD is being rebased
and a normal branch is being rebased.

* ks/branch-list-detached-rebase-i:
  t3200: verify "branch --list" sanity when rebasing from detached HEAD
  branch --list: print useful info whilst interactive rebasing a detached HEAD

6 years agoMerge branch 'jk/t5561-missing-curl'
Junio C Hamano [Wed, 25 Apr 2018 04:28:53 +0000 (13:28 +0900)] 
Merge branch 'jk/t5561-missing-curl'

Test fixes.

* jk/t5561-missing-curl:
  t5561: skip tests if curl is not available
  t5561: drop curl stderr redirects

6 years agoMerge branch 'bw/commit-partial-from-subdirectory-fix'
Junio C Hamano [Wed, 25 Apr 2018 04:28:53 +0000 (13:28 +0900)] 
Merge branch 'bw/commit-partial-from-subdirectory-fix'

"cd sub/dir && git commit ../path" ought to record the changes to
the file "sub/path", but this regressed long time ago.

* bw/commit-partial-from-subdirectory-fix:
  commit: allow partial commits with relative paths

6 years agoMerge branch 'jk/relative-directory-fix'
Junio C Hamano [Wed, 25 Apr 2018 04:28:52 +0000 (13:28 +0900)] 
Merge branch 'jk/relative-directory-fix'

Some codepaths, including the refs API, get and keep relative
paths, that go out of sync when the process does chdir(2).  The
chdir-notify API is introduced to let these codepaths adjust these
cached paths to the new current directory.

* jk/relative-directory-fix:
  refs: use chdir_notify to update cached relative paths
  set_work_tree: use chdir_notify
  add chdir-notify API
  trace.c: export trace_setup_key
  set_git_dir: die when setenv() fails

6 years agoMerge branch 'jk/flockfile-stdio'
Junio C Hamano [Wed, 25 Apr 2018 04:28:52 +0000 (13:28 +0900)] 
Merge branch 'jk/flockfile-stdio'

Code clean-up.

* jk/flockfile-stdio:
  config: move flockfile() closer to unlocked functions

6 years agoMerge branch 'pw/rebase-signoff'
Junio C Hamano [Wed, 25 Apr 2018 04:28:51 +0000 (13:28 +0900)] 
Merge branch 'pw/rebase-signoff'

"git rebase" has learned to honor "--signoff" option when using
backends other than "am" (but not "--preserve-merges").

* pw/rebase-signoff:
  rebase --keep-empty: always use interactive rebase
  rebase -p: error out if --signoff is given
  rebase: extend --signoff support

6 years agoMerge branch 'pw/rebase-keep-empty-fixes'
Junio C Hamano [Wed, 25 Apr 2018 04:28:49 +0000 (13:28 +0900)] 
Merge branch 'pw/rebase-keep-empty-fixes'

"git rebase --keep-empty" still removed an empty commit if the
other side contained an empty commit (due to the "does an
equivalent patch exist already?" check), which has been corrected.

* pw/rebase-keep-empty-fixes:
  rebase: respect --no-keep-empty
  rebase -i --keep-empty: don't prune empty commits
  rebase --root: stop assuming squash_onto is unset

6 years agoMerge branch 'cb/git-gui-ttk-style'
Junio C Hamano [Wed, 25 Apr 2018 04:28:49 +0000 (13:28 +0900)] 
Merge branch 'cb/git-gui-ttk-style'

"git gui" has been taught to work with old versions of tk (like
8.5.7) that do not support "ttk::style theme use" as a way to query
the current theme.

* cb/git-gui-ttk-style:
  git-gui: workaround ttk:style theme use

6 years agoMerge branch 'bp/git-gui-bind-kp-enter'
Junio C Hamano [Wed, 25 Apr 2018 04:28:48 +0000 (13:28 +0900)] 
Merge branch 'bp/git-gui-bind-kp-enter'

"git gui" performs commit upon CTRL/CMD+ENTER but the
CTRL/CMD+KP_ENTER (i.e. enter key on the numpad) did not have the
same key binding.  It now does.

* bp/git-gui-bind-kp-enter:
  git-gui: bind CTRL/CMD+numpad ENTER to do_commit

6 years agoMerge branch 'bb/git-gui-ssh-key-files'
Junio C Hamano [Wed, 25 Apr 2018 04:28:48 +0000 (13:28 +0900)] 
Merge branch 'bb/git-gui-ssh-key-files'

"git gui" learned that "~/.ssh/id_ecdsa.pub" and
"~/.ssh/id_ed25519.pub" are also possible SSH key files.

* bb/git-gui-ssh-key-files:
  git-gui: search for all current SSH key types

6 years agomem-pool: move reusable parts of memory pool into its own file
Jameson Miller [Wed, 11 Apr 2018 18:37:55 +0000 (18:37 +0000)] 
mem-pool: move reusable parts of memory pool into its own file

This moves the reusable parts of the memory pool logic used by
fast-import.c into its own file for use by other components.

Signed-off-by: Jameson Miller <jamill@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
6 years agoSubmittingPatches: mention the git contacts command
Thomas Gummerer [Wed, 11 Apr 2018 20:20:00 +0000 (21:20 +0100)] 
SubmittingPatches: mention the git contacts command

Instead of just mentioning 'git blame' and 'git shortlog', which make it
quite hard for new contributors to pick out the appropriate list of
people to cc on their patch series, mention the 'git contacts' utility,
which makes it much easier to get a reasonable list of contacts for a
change.

This should help new contributors pick out a reasonable cc list by
simply using a single command.

Signed-off-by: Thomas Gummerer <t.gummerer@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
6 years agofast-import: introduce mem_pool type
Jameson Miller [Wed, 11 Apr 2018 18:37:54 +0000 (18:37 +0000)] 
fast-import: introduce mem_pool type

Introduce the mem_pool type which encapsulates all the information necessary to
manage a pool of memory. This change moves the existing variables in
fast-import used to support the global memory pool to use this structure. It
also renames variables that are no longer used by memory pools to reflect their
more scoped usage.

These changes allow for the multiple instances of a memory pool to
exist and be reused outside of fast-import. In a future commit the
mem_pool type will be moved to its own file.

Signed-off-by: Jameson Miller <jamill@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
6 years agofast-import: rename mem_pool type to mp_block
Jameson Miller [Wed, 11 Apr 2018 18:37:53 +0000 (18:37 +0000)] 
fast-import: rename mem_pool type to mp_block

This is part of a patch series to extract the memory pool logic in
fast-import into a more generalized version. The existing mem_pool type
maps more closely to a "block of memory" (mp_block) in the more
generalized memory pool. This commit renames the mem_pool to mp_block to
reduce churn in future patches.

Signed-off-by: Jameson Miller <jamill@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
6 years agoMerge branch 'svn/authors-prog-2' of git://bogomips.org/git-svn
Junio C Hamano [Wed, 11 Apr 2018 23:05:28 +0000 (08:05 +0900)] 
Merge branch 'svn/authors-prog-2' of git://bogomips.org/git-svn

* 'svn/authors-prog-2' of git://bogomips.org/git-svn:
  git-svn: allow empty email-address using authors-prog and authors-file
  git-svn: search --authors-prog in PATH too

6 years agoreplace_object.c: rename to use dash in file name
Stefan Beller [Tue, 10 Apr 2018 21:26:21 +0000 (14:26 -0700)] 
replace_object.c: 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.

Noticed while adding a header corresponding to this file.

Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Stefan Beller <sbeller@google.com>
6 years agosha1_file.c: rename to use dash in file name
Stefan Beller [Tue, 10 Apr 2018 21:26:20 +0000 (14:26 -0700)] 
sha1_file.c: 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>
6 years agosha1_name.c: rename to use dash in file name
Stefan Beller [Tue, 10 Apr 2018 21:26:19 +0000 (14:26 -0700)] 
sha1_name.c: 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>
6 years agoexec_cmd: rename to use dash in file name
Stefan Beller [Tue, 10 Apr 2018 21:26:18 +0000 (14:26 -0700)] 
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>
6 years agounicode_width.h: rename to use dash in file name
Stefan Beller [Tue, 10 Apr 2018 21:26:17 +0000 (14:26 -0700)] 
unicode_width.h: 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.

Also adjust contrib/update-unicode as well.

Signed-off-by: Stefan Beller <sbeller@google.com>
6 years agowrite_or_die.c: rename to use dashes in file name
Stefan Beller [Tue, 10 Apr 2018 21:26:16 +0000 (14:26 -0700)] 
write_or_die.c: rename to use dashes 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>
6 years agofsmonitor: force index write after full scan
Ben Peart [Tue, 10 Apr 2018 18:14:31 +0000 (14:14 -0400)] 
fsmonitor: force index write after full scan

fsmonitor currently only flags the index as dirty if the extension is being
added or removed. This is a performance optimization that recognizes you can
stat() a lot of files in less time than it takes to write out an updated index.

This patch makes a small enhancement and flags the index dirty if we end up
having to stat() all files and scan the entire working directory.  The assumption
being that must be expensive or you would not have turned on the feature.

Signed-off-by: Ben Peart <benpeart@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
6 years agoRevert "Merge branch 'en/rename-directory-detection'"
Junio C Hamano [Wed, 11 Apr 2018 09:07:11 +0000 (18:07 +0900)] 
Revert "Merge branch 'en/rename-directory-detection'"

This reverts commit e4bb62fa1eeee689744b413e29a50b4d1dae6886, reversing
changes made to 468165c1d8a442994a825f3684528361727cd8c0.

The topic appears to inflict severe regression in renaming merges,
even though the promise of it was that it would improve them.

We do not yet know which exact change in the topic was wrong, but in
the meantime, let's play it safe and revert it out of 'master'
before real Git-using projects are harmed.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
6 years agofsmonitor: fix incorrect buffer size when printing version number
Ben Peart [Tue, 10 Apr 2018 18:43:43 +0000 (18:43 +0000)] 
fsmonitor: fix incorrect buffer size when printing version number

This is a trivial bug fix for passing the incorrect size to snprintf() when
outputting the version.  It should be passing the size of the destination buffer
rather than the size of the value being printed.

Signed-off-by: Ben Peart <benpeart@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
6 years agot/perf: add scripts to bisect performance regressions
Christian Couder [Sun, 8 Apr 2018 09:35:13 +0000 (11:35 +0200)] 
t/perf: add scripts to bisect performance regressions

The new bisect_regression script can be used to automatically bisect
performance regressions. It will pass the new bisect_run_script to
`git bisect run`.

Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
6 years agoperf/run: add --subsection option
Christian Couder [Sun, 8 Apr 2018 09:35:12 +0000 (11:35 +0200)] 
perf/run: add --subsection option

This new option makes it possible to run perf tests as defined
in only one subsection of a config file.

Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
6 years agoThe third batch for 2.18
Junio C Hamano [Wed, 11 Apr 2018 04:13:49 +0000 (13:13 +0900)] 
The third batch for 2.18

Signed-off-by: Junio C Hamano <gitster@pobox.com>
6 years agoMerge branch 'eb/cred-helper-ignore-sigpipe'
Junio C Hamano [Wed, 11 Apr 2018 04:09:57 +0000 (13:09 +0900)] 
Merge branch 'eb/cred-helper-ignore-sigpipe'

When credential helper exits very quickly without reading its
input, it used to cause Git to die with SIGPIPE, which has been
fixed.

* eb/cred-helper-ignore-sigpipe:
  credential: ignore SIGPIPE when writing to credential helpers

6 years agoMerge branch 'lv/tls-1.3'
Junio C Hamano [Wed, 11 Apr 2018 04:09:57 +0000 (13:09 +0900)] 
Merge branch 'lv/tls-1.3'

When built with more recent cURL, GIT_SSL_VERSION can now specify
"tlsv1.3" as its value.

* lv/tls-1.3:
  http: allow use of TLS 1.3

6 years agoMerge branch 'pk/test-avoid-pipe-hiding-exit-status'
Junio C Hamano [Wed, 11 Apr 2018 04:09:56 +0000 (13:09 +0900)] 
Merge branch 'pk/test-avoid-pipe-hiding-exit-status'

Test cleanup.

* pk/test-avoid-pipe-hiding-exit-status:
  test: avoid pipes in git related commands for test

6 years agoMerge branch 'rs/status-with-removed-submodule'
Junio C Hamano [Wed, 11 Apr 2018 04:09:56 +0000 (13:09 +0900)] 
Merge branch 'rs/status-with-removed-submodule'

"git submodule status" misbehaved on a submodule that has been
removed from the working tree.

* rs/status-with-removed-submodule:
  submodule: check for NULL return of get_submodule_ref_store()

6 years agoMerge branch 'nd/combined-test-helper'
Junio C Hamano [Wed, 11 Apr 2018 04:09:56 +0000 (13:09 +0900)] 
Merge branch 'nd/combined-test-helper'

Small test-helper programs have been consolidated into a single
binary.

* nd/combined-test-helper: (36 commits)
  t/helper: merge test-write-cache into test-tool
  t/helper: merge test-wildmatch into test-tool
  t/helper: merge test-urlmatch-normalization into test-tool
  t/helper: merge test-subprocess into test-tool
  t/helper: merge test-submodule-config into test-tool
  t/helper: merge test-string-list into test-tool
  t/helper: merge test-strcmp-offset into test-tool
  t/helper: merge test-sigchain into test-tool
  t/helper: merge test-sha1-array into test-tool
  t/helper: merge test-scrap-cache-tree into test-tool
  t/helper: merge test-run-command into test-tool
  t/helper: merge test-revision-walking into test-tool
  t/helper: merge test-regex into test-tool
  t/helper: merge test-ref-store into test-tool
  t/helper: merge test-read-cache into test-tool
  t/helper: merge test-prio-queue into test-tool
  t/helper: merge test-path-utils into test-tool
  t/helper: merge test-online-cpus into test-tool
  t/helper: merge test-mktemp into test-tool
  t/helper: merge (unused) test-mergesort into test-tool
  ...

6 years agoMerge branch 'sb/packfiles-in-repository'
Junio C Hamano [Wed, 11 Apr 2018 04:09:55 +0000 (13:09 +0900)] 
Merge branch 'sb/packfiles-in-repository'

Refactoring of the internal global data structure continues.

* sb/packfiles-in-repository:
  packfile: keep prepare_packed_git() private
  packfile: allow find_pack_entry to handle arbitrary repositories
  packfile: add repository argument to find_pack_entry
  packfile: allow reprepare_packed_git to handle arbitrary repositories
  packfile: allow prepare_packed_git to handle arbitrary repositories
  packfile: allow prepare_packed_git_one to handle arbitrary repositories
  packfile: add repository argument to reprepare_packed_git
  packfile: add repository argument to prepare_packed_git
  packfile: add repository argument to prepare_packed_git_one
  packfile: allow install_packed_git to handle arbitrary repositories
  packfile: allow rearrange_packed_git to handle arbitrary repositories
  packfile: allow prepare_packed_git_mru to handle arbitrary repositories

6 years agoMerge branch 'sb/object-store'
Junio C Hamano [Wed, 11 Apr 2018 04:09:55 +0000 (13:09 +0900)] 
Merge branch 'sb/object-store'

Refactoring the internal global data structure to make it possible
to open multiple repositories, work with and then close them.

Rerolled by Duy on top of a separate preliminary clean-up topic.
The resulting structure of the topics looked very sensible.

* sb/object-store: (27 commits)
  sha1_file: allow sha1_loose_object_info to handle arbitrary repositories
  sha1_file: allow map_sha1_file to handle arbitrary repositories
  sha1_file: allow map_sha1_file_1 to handle arbitrary repositories
  sha1_file: allow open_sha1_file to handle arbitrary repositories
  sha1_file: allow stat_sha1_file to handle arbitrary repositories
  sha1_file: allow sha1_file_name to handle arbitrary repositories
  sha1_file: add repository argument to sha1_loose_object_info
  sha1_file: add repository argument to map_sha1_file
  sha1_file: add repository argument to map_sha1_file_1
  sha1_file: add repository argument to open_sha1_file
  sha1_file: add repository argument to stat_sha1_file
  sha1_file: add repository argument to sha1_file_name
  sha1_file: allow prepare_alt_odb to handle arbitrary repositories
  sha1_file: allow link_alt_odb_entries to handle arbitrary repositories
  sha1_file: add repository argument to prepare_alt_odb
  sha1_file: add repository argument to link_alt_odb_entries
  sha1_file: add repository argument to read_info_alternates
  sha1_file: add repository argument to link_alt_odb_entry
  sha1_file: add raw_object_store argument to alt_odb_usable
  pack: move approximate object count to object store
  ...

6 years agoMerge branch 'jc/test-must-be-empty'
Junio C Hamano [Wed, 11 Apr 2018 04:09:54 +0000 (13:09 +0900)] 
Merge branch 'jc/test-must-be-empty'

Test helper update.

* jc/test-must-be-empty:
  test_must_be_empty: simplify file existence check

6 years agoMerge branch 'cc/perf-aggregate-sort'
Junio C Hamano [Wed, 11 Apr 2018 04:09:54 +0000 (13:09 +0900)] 
Merge branch 'cc/perf-aggregate-sort'

Perf-test update.

* cc/perf-aggregate-sort:
  perf/aggregate: add --sort-by=regression option
  perf/aggregate: add display_dir()

6 years agoMerge branch 'ab/doc-hash-brokenness'
Junio C Hamano [Wed, 11 Apr 2018 04:09:54 +0000 (13:09 +0900)] 
Merge branch 'ab/doc-hash-brokenness'

Doc updates.

* ab/doc-hash-brokenness:
  doc hash-function-transition: clarify what SHAttered means
  doc hash-function-transition: clarify how older gits die on NewHash

6 years agoMerge branch 'bc/hash-independent-tests'
Junio C Hamano [Wed, 11 Apr 2018 04:09:54 +0000 (13:09 +0900)] 
Merge branch 'bc/hash-independent-tests'

Tests that rely on the exact hardcoded values of object names have
been updated in preparation for hash function migration.

* bc/hash-independent-tests:
  t2107: abstract away SHA-1-specific constants
  t2101: abstract away SHA-1-specific constants
  t2101: modernize test style
  t2020: abstract away SHA-1 specific constants
  t1507: abstract away SHA-1-specific constants
  t1411: abstract away SHA-1-specific constants
  t1405: sort reflog entries in a hash-independent way
  t1300: abstract away SHA-1-specific constants
  t1304: abstract away SHA-1-specific constants
  t1011: abstract away SHA-1-specific constants

6 years agoMerge branch 'ab/drop-contrib-examples'
Junio C Hamano [Wed, 11 Apr 2018 04:09:54 +0000 (13:09 +0900)] 
Merge branch 'ab/drop-contrib-examples'

* ab/drop-contrib-examples:
  Remove contrib/examples/*

6 years agoThe second batch for 2.18
Junio C Hamano [Tue, 10 Apr 2018 07:32:45 +0000 (16:32 +0900)] 
The second batch for 2.18

Signed-off-by: Junio C Hamano <gitster@pobox.com>
6 years agoMerge branch 'ys/bisect-object-id-missing-conversion-fix'
Junio C Hamano [Tue, 10 Apr 2018 07:28:24 +0000 (16:28 +0900)] 
Merge branch 'ys/bisect-object-id-missing-conversion-fix'

Code clean-up.

* ys/bisect-object-id-missing-conversion-fix:
  bisect: use oid_to_hex() for converting object_id hashes to hex strings

6 years agoMerge branch 'yk/filter-branch-non-committish-refs'
Junio C Hamano [Tue, 10 Apr 2018 07:28:23 +0000 (16:28 +0900)] 
Merge branch 'yk/filter-branch-non-committish-refs'

when refs that do not point at committish are given, "git
filter-branch" gave a misleading error messages.  This has been
corrected.

* yk/filter-branch-non-committish-refs:
  filter-branch: fix errors caused by refs that point at non-committish

6 years agoMerge branch 'nd/trace-with-env'
Junio C Hamano [Tue, 10 Apr 2018 07:28:22 +0000 (16:28 +0900)] 
Merge branch 'nd/trace-with-env'

Code cleanup.

* nd/trace-with-env:
  run-command: use strbuf_addstr() for adding a string to a strbuf

6 years agoMerge branch 'nd/parseopt-completion-more'
Junio C Hamano [Tue, 10 Apr 2018 07:28:22 +0000 (16:28 +0900)] 
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

6 years agoMerge branch 'ds/bsearch-hash'
Junio C Hamano [Tue, 10 Apr 2018 07:28:22 +0000 (16:28 +0900)] 
Merge branch 'ds/bsearch-hash'

Code to find the length to uniquely abbreviate object names based
on packfile content, which is a relatively recent addtion, has been
optimized to use the same fan-out table.

* ds/bsearch-hash:
  sha1_name: use bsearch_pack() in unique_in_pack()
  sha1_name: use bsearch_pack() for abbreviations
  packfile: define and use bsearch_pack()
  sha1_name: convert struct min_abbrev_data to object_id

6 years agoMerge branch 'ws/rebase-p'
Junio C Hamano [Tue, 10 Apr 2018 07:28:21 +0000 (16:28 +0900)] 
Merge branch 'ws/rebase-p'

Code clean-up.

* ws/rebase-p:
  rebase: remove merges_option and a blank line
  rebase: remove unused code paths from git_rebase__interactive__preserve_merges
  rebase: remove unused code paths from git_rebase__interactive
  rebase: add and use git_rebase__interactive__preserve_merges
  rebase: extract functions out of git_rebase__interactive
  rebase: reindent function git_rebase__interactive
  rebase: update invocation of rebase dot-sourced scripts
  rebase-interactive: simplify pick_on_preserving_merges

6 years agoMerge branch 'jk/diff-highlight-graph-fix'
Junio C Hamano [Tue, 10 Apr 2018 07:28:21 +0000 (16:28 +0900)] 
Merge branch 'jk/diff-highlight-graph-fix'

"diff-highlight" filter (in contrib/) learned to undertand "git log
--graph" output better.

* jk/diff-highlight-graph-fix:
  diff-highlight: detect --graph by indent
  diff-highlight: use flush() helper consistently
  diff-highlight: test graphs with --color
  diff-highlight: test interleaved parallel lines of history
  diff-highlight: prefer "echo" to "cat" in tests
  diff-highlight: use test_tick in graph test
  diff-highlight: correct test graph diagram

6 years agoMerge branch 'nd/remove-ignore-env-field'
Junio C Hamano [Tue, 10 Apr 2018 07:28:20 +0000 (16:28 +0900)] 
Merge branch 'nd/remove-ignore-env-field'

Code clean-up for the "repository" abstraction.

* nd/remove-ignore-env-field:
  repository.h: add comment and clarify repo_set_gitdir
  repository: delete ignore_env member
  sha1_file.c: move delayed getenv(altdb) back to setup_git_env()
  repository.c: delete dead functions
  repository.c: move env-related setup code back to environment.c
  repository: initialize the_repository in main()

6 years agoMerge branch 'ps/contains-id-error-message'
Junio C Hamano [Tue, 10 Apr 2018 07:28:20 +0000 (16:28 +0900)] 
Merge branch 'ps/contains-id-error-message'

"git tag --contains no-such-commit" gave a full list of options
after giving an error message.

* ps/contains-id-error-message:
  parse-options: do not show usage upon invalid option value

6 years agocompletion: improve ls-files filter performance
Clemens Buchacher [Wed, 4 Apr 2018 07:46:58 +0000 (09:46 +0200)] 
completion: improve ls-files filter performance

From the output of ls-files, we remove all but the leftmost path
component and then we eliminate duplicates. We do this in a while loop,
which is a performance bottleneck when the number of iterations is large
(e.g. for 60000 files in linux.git).

$ COMP_WORDS=(git status -- ar) COMP_CWORD=3; time _git

real    0m11.876s
user    0m4.685s
sys     0m6.808s

Replacing the loop with the cut command improves performance
significantly:

$ COMP_WORDS=(git status -- ar) COMP_CWORD=3; time _git

real    0m1.372s
user    0m0.263s
sys     0m0.167s

The measurements were done with Msys2 bash, which is used by Git for
Windows.

When filtering the ls-files output we take care not to touch absolute
paths. This is redundant, because ls-files will never output absolute
paths. Remove the unnecessary operations.

The issue was reported here:
https://github.com/git-for-windows/git/issues/1533

Signed-off-by: Clemens Buchacher <drizzd@gmx.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
6 years agoThe first batch for 2.18 cycle
Junio C Hamano [Mon, 9 Apr 2018 23:31:10 +0000 (08:31 +0900)] 
The first batch for 2.18 cycle

Signed-off-by: Junio C Hamano <gitster@pobox.com>
6 years agoMerge branch 'tg/stash-untracked-with-pathspec-fix'
Junio C Hamano [Mon, 9 Apr 2018 23:25:45 +0000 (08:25 +0900)] 
Merge branch 'tg/stash-untracked-with-pathspec-fix'

"git stash push -u -- <pathspec>" gave an unnecessary and confusing
error message when there was no tracked files that match the
<pathspec>, which has been fixed.

* tg/stash-untracked-with-pathspec-fix:
  stash: drop superfluos pathspec parameter
  stash push -u: don't create empty stash
  stash push: avoid printing errors
  stash: fix nonsense pipeline

6 years agoMerge branch 'nd/worktree-prune'
Junio C Hamano [Mon, 9 Apr 2018 23:25:45 +0000 (08:25 +0900)] 
Merge branch 'nd/worktree-prune'

The way "git worktree prune" worked internally has been simplified,
by assuming how "git worktree move" moves an existing worktree to a
different place.

* nd/worktree-prune:
  worktree prune: improve prune logic when worktree is moved
  worktree: delete dead code
  gc.txt: more details about what gc does

6 years agoMerge branch 'bc/object-id'
Junio C Hamano [Mon, 9 Apr 2018 23:25:45 +0000 (08:25 +0900)] 
Merge branch 'bc/object-id'

Conversion from uchar[20] to struct object_id continues.

* bc/object-id: (36 commits)
  convert: convert to struct object_id
  sha1_file: introduce a constant for max header length
  Convert lookup_replace_object to struct object_id
  sha1_file: convert read_sha1_file to struct object_id
  sha1_file: convert read_object_with_reference to object_id
  tree-walk: convert tree entry functions to object_id
  streaming: convert istream internals to struct object_id
  tree-walk: convert get_tree_entry_follow_symlinks internals to object_id
  builtin/notes: convert static functions to object_id
  builtin/fmt-merge-msg: convert remaining code to object_id
  sha1_file: convert sha1_object_info* to object_id
  Convert remaining callers of sha1_object_info_extended to object_id
  packfile: convert unpack_entry to struct object_id
  sha1_file: convert retry_bad_packed_offset to struct object_id
  sha1_file: convert assert_sha1_type to object_id
  builtin/mktree: convert to struct object_id
  streaming: convert open_istream to use struct object_id
  sha1_file: convert check_sha1_signature to struct object_id
  sha1_file: convert read_loose_object to use struct object_id
  builtin/index-pack: convert struct ref_delta_entry to object_id
  ...

6 years agoMerge branch 'ma/shortlog-revparse'
Junio C Hamano [Mon, 9 Apr 2018 23:25:44 +0000 (08:25 +0900)] 
Merge branch 'ma/shortlog-revparse'

"git shortlog cruft" aborted with a BUG message when run outside a
Git repository.  The command has been taught to complain about
extra and unwanted arguments on its command line instead in such a
case.

* ma/shortlog-revparse:
  shortlog: disallow left-over arguments outside repo
  shortlog: add usage-string for stdin-reading
  git-shortlog.txt: reorder usages

6 years agoMerge branch 'ab/install-symlinks'
Junio C Hamano [Mon, 9 Apr 2018 23:25:44 +0000 (08:25 +0900)] 
Merge branch 'ab/install-symlinks'

The build procedure learned to optionally use symbolic links
(instead of hardlinks and copies) to install "git-foo" for built-in
commands, whose binaries are all identical.

* ab/install-symlinks:
  Makefile: optionally symlink libexec/git-core binaries to bin/git
  Makefile: add a gitexecdir_relative variable
  Makefile: fix broken bindir_relative variable

6 years agoMerge branch 'ml/filter-branch-no-op-error'
Junio C Hamano [Mon, 9 Apr 2018 23:25:44 +0000 (08:25 +0900)] 
Merge branch 'ml/filter-branch-no-op-error'

"git filter-branch" learned to use a different exit code to allow
the callers to tell the case where there was no new commits to
rewrite from other error cases.

* ml/filter-branch-no-op-error:
  filter-branch: return 2 when nothing to rewrite

6 years agoMerge branch 'ab/pcre-v2'
Junio C Hamano [Mon, 9 Apr 2018 23:25:43 +0000 (08:25 +0900)] 
Merge branch 'ab/pcre-v2'

Git can be built to use either v1 or v2 of the PCRE library, and so
far, the build-time configuration USE_LIBPCRE=YesPlease instructed
the build procedure to use v1, but now it means v2.  USE_LIBPCRE1
and USE_LIBPCRE2 can be used to explicitly choose which version to
use, as before.

* ab/pcre-v2:
  Makefile: make USE_LIBPCRE=YesPlease mean v2, not v1
  configure: detect redundant --with-libpcre & --with-libpcre1
  configure: fix a regression in PCRE v1 detection

6 years agoMerge branch 'ti/fetch-everything-local-optim'
Junio C Hamano [Mon, 9 Apr 2018 23:25:43 +0000 (08:25 +0900)] 
Merge branch 'ti/fetch-everything-local-optim'

A "git fetch" from a repository with insane number of refs into a
repository that is already up-to-date still wasted too many cycles
making many lstat(2) calls to see if these objects at the tips
exist as loose objects locally.  These lstat(2) calls are optimized
away by enumerating all loose objects beforehand.

It is unknown if the new strategy negatively affects existing use
cases, fetching into a repository with many loose objects from a
repository with small number of refs.

* ti/fetch-everything-local-optim:
  fetch-pack.c: use oidset to check existence of loose object

6 years agoMerge branch 'en/rename-directory-detection'
Junio C Hamano [Mon, 9 Apr 2018 23:25:43 +0000 (08:25 +0900)] 
Merge branch 'en/rename-directory-detection'

Rename detection logic in "diff" family that is used in "merge" has
learned to guess when all of x/a, x/b and x/c have moved to z/a,
z/b and z/c, it is likely that x/d added in the meantime would also
want to move to z/d by taking the hint that the entire directory
'x' moved to 'z'.  A bug causing dirty files involved in a rename
to be overwritten during merge has also been fixed as part of this
work.

* en/rename-directory-detection: (29 commits)
  merge-recursive: ensure we write updates for directory-renamed file
  merge-recursive: avoid spurious rename/rename conflict from dir renames
  directory rename detection: new testcases showcasing a pair of bugs
  merge-recursive: fix remaining directory rename + dirty overwrite cases
  merge-recursive: fix overwriting dirty files involved in renames
  merge-recursive: avoid clobbering untracked files with directory renames
  merge-recursive: apply necessary modifications for directory renames
  merge-recursive: when comparing files, don't include trees
  merge-recursive: check for file level conflicts then get new name
  merge-recursive: add computation of collisions due to dir rename & merging
  merge-recursive: check for directory level conflicts
  merge-recursive: add get_directory_renames()
  merge-recursive: make a helper function for cleanup for handle_renames
  merge-recursive: split out code for determining diff_filepairs
  merge-recursive: make !o->detect_rename codepath more obvious
  merge-recursive: fix leaks of allocated renames and diff_filepairs
  merge-recursive: introduce new functions to handle rename logic
  merge-recursive: move the get_renames() function
  directory rename detection: tests for handling overwriting dirty files
  directory rename detection: tests for handling overwriting untracked files
  ...

6 years agoconfigure.ac: fix botched FREAD_READS_DIRECTORIES check
Eric Sunshine [Mon, 9 Apr 2018 08:50:42 +0000 (04:50 -0400)] 
configure.ac: fix botched FREAD_READS_DIRECTORIES check

3adf9fdecf (configure.ac: loosen FREAD_READS_DIRECTORIES test program,
2017-06-14) broke the test program for the FREAD_READS_DIRECTORIES check
by making it syntactically invalid (a dangling ")") and by botching the
type returned from 'main' (a FILE* rather than int). As a consequence,
the test program won't even compile, thus the check fails
unconditionally. Fix these problems.

Reported-by: Jonathan Primrose <jprimros@gmail.com>
Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
6 years agogit-worktree.txt: unify command-line prompt in example blocks
Eric Sunshine [Mon, 9 Apr 2018 07:34:00 +0000 (03:34 -0400)] 
git-worktree.txt: unify command-line prompt in example blocks

The command-line prompt in the "EXAMPLES" section is "$", however,
examples in the 'git worktree list' section (oddly) use "S" as a
prompt. Fix this inconsistency by settling on "$" as prompt in all
examples.

Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
6 years agogit-worktree.txt: recommend 'git worktree remove' over manual deletion
Eric Sunshine [Mon, 9 Apr 2018 07:33:59 +0000 (03:33 -0400)] 
git-worktree.txt: recommend 'git worktree remove' over manual deletion

When cc73385cf6 (worktree remove: new command, 2018-02-12) implemented
and documented 'git worktree remove', it forgot to update existing
instructions suggesting manual deletion. Fix this oversight by
recommending 'git worktree remove' instead.

Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
6 years agoDocumentation: normalize spelling of 'normalised'
Elijah Newren [Thu, 5 Apr 2018 17:20:27 +0000 (10:20 -0700)] 
Documentation: normalize spelling of 'normalised'

This could be a localization issue, but we had about four dozen
"normalize"s (or variants, e.g. normalized, renormalize, etc.), and only
one "normalised" (no other variants), so normalize normalised into
normalized.

Signed-off-by: Elijah Newren <newren@gmail.com>
Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
6 years agoDocumentation: fix several one-character-off spelling errors
Elijah Newren [Thu, 5 Apr 2018 17:20:26 +0000 (10:20 -0700)] 
Documentation: fix several one-character-off spelling errors

Signed-off-by: Elijah Newren <newren@gmail.com>
Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
6 years agot/helper: 'test-chmtime (--get|-g)' to print only the mtime
Paul-Sebastian Ungureanu [Fri, 6 Apr 2018 22:19:47 +0000 (01:19 +0300)] 
t/helper: 'test-chmtime (--get|-g)' to print only the mtime

Compared to 'test-chmtime -v +0 file' which prints the mtime and
and the file name, 'test-chmtime --get file' displays only the mtime.
If it is used in combination with (+|=|=+|=-|-)seconds, it changes
and prints the new value.

test-chmtime -v +0 file | sed 's/[^0-9].*$//'

is now equivalent to:

test-chmtime --get file

Signed-off-by: Paul-Sebastian Ungureanu <ungureanupaulsebastian@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
6 years agodaemon.c: fix condition for redirecting stderr
Lucas Werkmeister [Tue, 3 Apr 2018 22:13:07 +0000 (00:13 +0200)] 
daemon.c: fix condition for redirecting stderr

Since the --log-destination option was added in 0c591cacb ("daemon: add
--log-destination=(stderr|syslog|none)", 2018-02-04) with the explicit
goal of allowing logging to stderr when running in inetd mode, we should
not always redirect stderr to /dev/null in inetd mode, but rather only
when stderr is not being used for logging.

Signed-off-by: Lucas Werkmeister <mail@lucaswerkmeister.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
6 years agot5404: relax overzealous test
Johannes Schindelin [Fri, 6 Apr 2018 19:31:22 +0000 (21:31 +0200)] 
t5404: relax overzealous test

In 0b294c0abf0 (make deleting a missing ref more quiet, 2008-07-08), we
added a test to verify that deleting an already-deleted ref does not
show an error.

Our test simply looks for the substring 'error' in the output of the
`git push`, which might look innocuous on the face of it.

Suppose, however, that you are a big fan of whales. Or even better: your
IT administrator has a whale of a time picking cute user names, e.g.
referring to you (due to your like of India Pale Ales) as "one of the
cuter rorquals" (see https://en.wikipedia.org/wiki/Rorqual to learn a
thing or two about rorquals) and hence your home directory becomes
/home/cuterrorqual. If you now run t5404, it fails! Why? Because the
test calls `git push origin :b3` which outputs:

    To /home/cuterrorqual/git/t/trash directory.t5404-tracking-branches/.
     - [deleted]         b3

Note how there is no error displayed in that output? But of course
"error" is a substring of "cuterrorqual". And so that `grep error
output` finds something.

This bug was not, actually, caught having "error" as a substring of the
user name but while working in a worktree called "colorize-push-errors",
whose name was part of that output, too, suggesting that not even
testing for the *word* `error` via `git grep -w error output` would fix
the underlying issue.

This patch chooses instead to look for the prefix "error:" at the
beginning of the line, so that there can be no ambiguity that any catch
was indeed a message generated by Git's `error_builtin()` function.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Acked-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
6 years agoref-filter: factor ref_array pushing into its own function
Jeff King [Fri, 6 Apr 2018 18:59:45 +0000 (14:59 -0400)] 
ref-filter: factor ref_array pushing into its own function

In preparation for callers constructing their own ref_array
structs, let's move our own internal push operation into its
own function.

While we're at it, we can replace REALLOC_ARRAY() with
ALLOC_GROW(), which should give the growth operation
amortized linear complexity (as opposed to growing by one,
which is potentially quadratic, though in-place realloc
growth often makes this faster in practice).

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
6 years agoref-filter: make ref_array_item allocation more consistent
Jeff King [Fri, 6 Apr 2018 18:59:26 +0000 (14:59 -0400)] 
ref-filter: make ref_array_item allocation more consistent

We have a helper function to allocate ref_array_item
structs, but it only takes a subset of the possible fields
in the struct as initializers. We could have it accept an
argument for _every_ field, but that becomes a pain for the
fields which some callers don't want to set initially.

Instead, let's be explicit that it takes only the minimum
required to create the ref, and that callers should then
fill in the rest themselves.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
6 years agoref-filter: use "struct object_id" consistently
Jeff King [Fri, 6 Apr 2018 18:58:32 +0000 (14:58 -0400)] 
ref-filter: use "struct object_id" consistently

Internally we store a "struct object_id", and all of our
callers have one to pass us. But we insist that they peel it
to its bare-sha1 hash, which we then hashcpy() into place.
Let's pass it around as an object_id, which future-proofs us
for a post-sha1 world.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
6 years agosend-email: simplify Gmail example in the documentation
Michal Nazarewicz [Sat, 7 Apr 2018 10:07:23 +0000 (11:07 +0100)] 
send-email: simplify Gmail example in the documentation

There is no need for use to manually call ‘git credential’ especially
as the interface isn’t super user-friendly and a bit confusing.  ‘git
send-email’ will do that for them at the first execution and if the
password matches, it will be saved in the store.

Simplify the documentaion so it dosn’t include the ‘git credential’
invocation (which was incorrect anyway as it should use ‘approve’
instead of ‘fill’) and instead just mentions that credentials helper
must be set up.

Signed-off-by: Michał Nazarewicz <mina86@mina86.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
6 years agoDocumentation/git-bisect.txt: git bisect term → git bisect terms
Anders Kaseorg [Fri, 6 Apr 2018 20:21:19 +0000 (16:21 -0400)] 
Documentation/git-bisect.txt: git bisect term → git bisect terms

Signed-off-by: Anders Kaseorg <andersk@mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
6 years agomergetools: add support for guiffy
Bill Ritcher [Thu, 5 Apr 2018 13:55:01 +0000 (08:55 -0500)] 
mergetools: add support for guiffy

Add guiffy as difftool and mergetool

guiffy is available on Windows, Linux, and MacOS

Signed-off-by: Bill Ritcher <Bill_Ritcher@guiffy.com>
Reviewed-by: David Aguilar <davvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
6 years agogit-svn: allow empty email-address using authors-prog and authors-file
Andreas Heiduk [Sat, 24 Mar 2018 10:20:46 +0000 (11:20 +0100)] 
git-svn: allow empty email-address using authors-prog and authors-file

The email address in --authors-file and --authors-prog can be empty but
git-svn translated it into a fictional email address in the form

jondoe <jondoe@6aafaa21e0fb4338a68ab372a049893d>

containing the SVN repository UUID. Now git-svn behaves like git-commit:
If the email is *explicitly* set to the empty string using '<>', the
commit does not contain an email address, only the name:

jondoe <>

Allowing to remove the email address *intentionally* prevents automatic
systems from sending emails to those fictional addresses and avoids
cluttering the log output with unnecessary stuff.

Signed-off-by: Andreas Heiduk <asheiduk@gmail.com>
Signed-off-by: Eric Wong <e@80x24.org>
6 years agocommit: allow partial commits with relative paths
Brandon Williams [Tue, 3 Apr 2018 17:57:45 +0000 (10:57 -0700)] 
commit: allow partial commits with relative paths

Commit 8894d53580 (commit: allow partial commits with relative paths,
2011-07-30) ensured that partial commits were allowed when a user
supplies a relative pathspec but then this was regressed in 5879f5684c
(remove prefix argument from pathspec_prefix, 2011-09-04) when the
prefix argument to 'pathspec_prefix' removed and the 'list_paths'
function wasn't properly adjusted to cope with the change, resulting in
over-eager pruning of the tree that is overlayed on the index.

This fixes the regression and adds a regression test so this can be
prevented in the future.

Signed-off-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
6 years agot5561: skip tests if curl is not available
Jeff King [Tue, 3 Apr 2018 14:01:57 +0000 (10:01 -0400)] 
t5561: skip tests if curl is not available

It's possible to have libcurl installed but not the curl
command-line utility. The latter is not generally needed for
Git's http support, but we use it in t5561 for basic tests
of http-backend's functionality. Let's detect when it's
missing and skip this test.

Note that we can't mark the individual tests with the CURL
prerequisite. They're in a shared t556x_common that uses the
GET and POST functions as a level of indirection, and it's
only our implementations of those functions in t5561 that
requires curl. It's not a problem, though, as literally
every test in the script would depend on the prerequisite
anyway.

Reported-by: Jens Krüger <Jens.Krueger@frm2.tum.de>
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
6 years agot5561: drop curl stderr redirects
Jeff King [Tue, 3 Apr 2018 14:01:41 +0000 (10:01 -0400)] 
t5561: drop curl stderr redirects

For a normal test run, stderr is already redirected to
/dev/null by the test suite. When used with "-v",
suppressing stderr is actively harmful, as it may hide the
reason for curl failing.

Reported-by: Jens Krüger <Jens.Krueger@frm2.tum.de>
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>