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5 years agocommit: give correct advice for empty commit during a rebase
Phillip Wood [Fri, 6 Dec 2019 16:06:12 +0000 (16:06 +0000)] 
commit: give correct advice for empty commit during a rebase

In dcb500dc16c (cherry-pick/revert: advise using --skip, 2019-07-02),
`git commit` learned to suggest to run `git cherry-pick --skip` when
trying to cherry-pick an empty patch.

However, it was overlooked that there are more conditions than just a
`git cherry-pick` when this advice is printed (which originally
suggested the neutral `git reset`): the same can happen during a rebase.

Let's suggest the correct command, even during a rebase.

While at it, we adjust more places in `builtin/commit.c` that
incorrectly assumed that the presence of a `CHERRY_PICK_HEAD` meant that
surely this must be a `cherry-pick` in progress.

Note: we take pains to handle the situation when a user runs a `git
cherry-pick` _during_ a rebase. This is quite valid (e.g. in an `exec`
line in an interactive rebase). On the other hand, it is not possible to
run a rebase during a cherry-pick, meaning: if both `rebase-merge/` and
`sequencer/` exist or CHERRY_PICK_HEAD and REBASE_HEAD point to the same
commit , we still want to advise to use `git cherry-pick --skip`.

Original-patch-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
5 years agocommit: encapsulate determine_whence() for sequencer
Phillip Wood [Fri, 6 Dec 2019 16:06:11 +0000 (16:06 +0000)] 
commit: encapsulate determine_whence() for sequencer

Working out which command wants to create a commit requires detailed
knowledge of the sequencer internals and that knowledge is going to
increase in subsequent commits. With that in mind lets encapsulate that
knowledge in sequencer.c rather than spreading it into builtin/commit.c.

Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
5 years agocommit: use enum value for multiple cherry-picks
Phillip Wood [Fri, 6 Dec 2019 16:06:10 +0000 (16:06 +0000)] 
commit: use enum value for multiple cherry-picks

Add FROM_CHERRY_PICK_MULTI for a sequence of cherry-picks rather than
using a separate variable.

Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
5 years agosequencer: write CHERRY_PICK_HEAD for reword and edit
Phillip Wood [Fri, 6 Dec 2019 16:06:09 +0000 (16:06 +0000)] 
sequencer: write CHERRY_PICK_HEAD for reword and edit

`git commit` relies on the presence of CHERRY_PICK_HEAD to show the
correct error message in the case of an empty pick.  This fixes a
regression introduced by the conversion from shell to C. In the shell
version everything was a cherry-pick as far as the sequencer code was
concerned so it always wrote CHERRY_PICK_HEAD. The conversion to C
forgot to update the code that creates CHERRY_PICK_HEAD. We do not want
to create CHERRY_PICK_HEAD for fixup and squash commands as that would
prevent `git commit --amend` from running.

Note that the error message shown by `git commit` for an empty pick
during a rebase is currently wrong as it talks about running `git
cherry-pick --skip` rather than `git rebase --skip`. This will be fixed
in a future commit which is why the tests are in t3403-rebase-skip.sh.

Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
5 years agocherry-pick: check commit error messages
Phillip Wood [Fri, 6 Dec 2019 16:06:08 +0000 (16:06 +0000)] 
cherry-pick: check commit error messages

We disallow partial commits and amending when CHERRY_PICK_HEAD
exists. Add a couple of tests to check the error message printed in each
case before we refactor the code responsible for this.

Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
5 years agocherry-pick: add test for `--skip` advice in `git commit`
Johannes Schindelin [Fri, 6 Dec 2019 16:06:07 +0000 (16:06 +0000)] 
cherry-pick: add test for `--skip` advice in `git commit`

In dcb500dc16c (cherry-pick/revert: advise using --skip, 2019-07-02),
`git commit` learned to suggest to run `git cherry-pick --skip` when
trying to cherry-pick an empty patch, but that was never tested for.

Here is a test that verifies that a message is given to the user that
contains the correct invocation.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
5 years agot3404: use test_cmp_rev
Phillip Wood [Fri, 6 Dec 2019 16:06:06 +0000 (16:06 +0000)] 
t3404: use test_cmp_rev

There are a number of places where we compare two revisions with
    test $(git rev-parse rev1) = $(git rev-parse rev2)
when these fail there's no indication what has gone wrong and you need
to be running with `-x` to see where the test has failed. Lets use
test_cmp_rev instead.

Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
5 years agoThe third batch
Junio C Hamano [Thu, 5 Dec 2019 20:43:59 +0000 (12:43 -0800)] 
The third batch

Signed-off-by: Junio C Hamano <gitster@pobox.com>
5 years agoMerge branch 'js/pkt-line-h-typofix'
Junio C Hamano [Thu, 5 Dec 2019 20:52:49 +0000 (12:52 -0800)] 
Merge branch 'js/pkt-line-h-typofix'

Typofix.

* js/pkt-line-h-typofix:
  pkt-line: fix a typo

5 years agoMerge branch 'us/unpack-trees-fsmonitor'
Junio C Hamano [Thu, 5 Dec 2019 20:52:48 +0000 (12:52 -0800)] 
Merge branch 'us/unpack-trees-fsmonitor'

Users of oneway_merge() (like "reset --hard") learned to take
advantage of fsmonitor to avoid unnecessary lstat(2) calls.

* us/unpack-trees-fsmonitor:
  unpack-trees: skip stat on fsmonitor-valid files

5 years agoMerge branch 'sg/test-bool-env'
Junio C Hamano [Thu, 5 Dec 2019 20:52:48 +0000 (12:52 -0800)] 
Merge branch 'sg/test-bool-env'

Recently we have declared that GIT_TEST_* variables take the
usual boolean values (it used to be that some used "non-empty
means true" and taking GIT_TEST_VAR=YesPlease as true); make
sure we notice and fail when non-bool strings are given to
these variables.

* sg/test-bool-env:
  t5608-clone-2gb.sh: turn GIT_TEST_CLONE_2GB into a bool
  tests: add 'test_bool_env' to catch non-bool GIT_TEST_* values

5 years agoMerge branch 'mh/clear-topo-walk-upon-reset'
Junio C Hamano [Thu, 5 Dec 2019 20:52:48 +0000 (12:52 -0800)] 
Merge branch 'mh/clear-topo-walk-upon-reset'

The revision walking machinery uses resources like per-object flag
bits that need to be reset before a new iteration of walking
begins, but the resources related to topological walk were not
cleared correctly, which has been corrected.

* mh/clear-topo-walk-upon-reset:
  revision: free topo_walk_info before creating a new one in init_topo_walk
  revision: clear the topo-walk flags in reset_revision_walk

5 years agoMerge branch 'hv/assume-priumax-is-available-anywhere'
Junio C Hamano [Thu, 5 Dec 2019 20:52:47 +0000 (12:52 -0800)] 
Merge branch 'hv/assume-priumax-is-available-anywhere'

We have had compatibility fallback macro definitions for "PRIuMAX",
"PRIu32", etc. but did not for "PRIdMAX", while the code used the
last one apparently without any hiccup reported recently.  The
fallback macro definitions for these <inttypes.h> macros that must
appear in C99 systems have been removed.

* hv/assume-priumax-is-available-anywhere:
  git-compat-util.h: drop the `PRIuMAX` and other fallback definitions

5 years agoMerge branch 'mg/submodule-status-from-a-subdirectory'
Junio C Hamano [Thu, 5 Dec 2019 20:52:47 +0000 (12:52 -0800)] 
Merge branch 'mg/submodule-status-from-a-subdirectory'

"git submodule status" that is run from a subdirectory of the
superproject did not work well, which has been corrected.

* mg/submodule-status-from-a-subdirectory:
  submodule: fix 'submodule status' when called from a subdirectory

5 years agoMerge branch 'dl/t5520-cleanup'
Junio C Hamano [Thu, 5 Dec 2019 20:52:47 +0000 (12:52 -0800)] 
Merge branch 'dl/t5520-cleanup'

Test cleanup.

* dl/t5520-cleanup:
  t5520: replace `! git` with `test_must_fail git`
  t5520: remove redundant lines in test cases
  t5520: replace $(cat ...) comparison with test_cmp
  t5520: don't put git in upstream of pipe
  t5520: test single-line files by git with test_cmp
  t5520: use test_cmp_rev where possible
  t5520: replace test -{n,z} with test-lib functions
  t5520: use test_line_count where possible
  t5520: remove spaces after redirect operator
  t5520: replace test -f with test-lib functions
  t5520: let sed open its own input
  t5520: use sq for test case names
  t5520: improve test style
  t: teach test_cmp_rev to accept ! for not-equals
  t0000: test multiple local assignment

5 years agoMerge branch 'nl/reset-patch-takes-a-tree'
Junio C Hamano [Thu, 5 Dec 2019 20:52:47 +0000 (12:52 -0800)] 
Merge branch 'nl/reset-patch-takes-a-tree'

"git reset --patch $object" without any pathspec should allow a
tree object to be given, but incorrectly required a committish,
which has been corrected.

* nl/reset-patch-takes-a-tree:
  reset: parse rev as tree-ish in patch mode

5 years agoMerge branch 'mg/doc-submodule-status-cached'
Junio C Hamano [Thu, 5 Dec 2019 20:52:47 +0000 (12:52 -0800)] 
Merge branch 'mg/doc-submodule-status-cached'

"git submodule status" and "git submodule status --cached" show
different things, but the documentation did not cover them
correctly, which has been corrected.

* mg/doc-submodule-status-cached:
  doc: document 'git submodule status --cached'

5 years agoMerge branch 'js/git-svn-use-rebase-merges'
Junio C Hamano [Thu, 5 Dec 2019 20:52:46 +0000 (12:52 -0800)] 
Merge branch 'js/git-svn-use-rebase-merges'

Prepare further for "rebase --preserve-merges" deprecation.

* js/git-svn-use-rebase-merges:
  git svn: stop using `rebase --preserve-merges`

5 years agoMerge branch 'hi/gpg-optional-pkfp-fix'
Junio C Hamano [Thu, 5 Dec 2019 20:52:46 +0000 (12:52 -0800)] 
Merge branch 'hi/gpg-optional-pkfp-fix'

The code to parse GPG output used to assume incorrectly that the
finterprint for the primary key would always be present for a valid
signature, which has been corrected.

* hi/gpg-optional-pkfp-fix:
  gpg-interface: limit search for primary key fingerprint
  gpg-interface: refactor the free-and-xmemdupz pattern

5 years agoMerge branch 'pw/sequencer-compare-with-right-parent-to-check-empty-commits'
Junio C Hamano [Thu, 5 Dec 2019 20:52:46 +0000 (12:52 -0800)] 
Merge branch 'pw/sequencer-compare-with-right-parent-to-check-empty-commits'

The sequencer machinery compared the HEAD and the state it is
attempting to commit to decide if the result would be a no-op
commit, even when amending a commit, which was incorrect, and
has been corrected.

* pw/sequencer-compare-with-right-parent-to-check-empty-commits:
  sequencer: fix empty commit check when amending

5 years agoMerge branch 'jk/fail-show-toplevel-outside-working-tree'
Junio C Hamano [Thu, 5 Dec 2019 20:52:45 +0000 (12:52 -0800)] 
Merge branch 'jk/fail-show-toplevel-outside-working-tree'

"git rev-parse --show-toplevel" run outside of any working tree did
not error out, which has been corrected.

* jk/fail-show-toplevel-outside-working-tree:
  rev-parse: make --show-toplevel without a worktree an error

5 years agoMerge branch 'sg/unpack-progress-throughput'
Junio C Hamano [Thu, 5 Dec 2019 20:52:45 +0000 (12:52 -0800)] 
Merge branch 'sg/unpack-progress-throughput'

"git unpack-objects" used to show progress based only on the number
of received and unpacked objects, which stalled when it has to
handle an unusually large object.  It now shows the throughput as
well.

* sg/unpack-progress-throughput:
  builtin/unpack-objects.c: show throughput progress

5 years agoMerge branch 'pb/submodule-update-fetches'
Junio C Hamano [Thu, 5 Dec 2019 20:52:45 +0000 (12:52 -0800)] 
Merge branch 'pb/submodule-update-fetches'

Doc update.

* pb/submodule-update-fetches:
  doc: mention that 'git submodule update' fetches missing commits

5 years agoMerge branch 'jc/azure-ci-osx-fix-fix'
Junio C Hamano [Thu, 5 Dec 2019 20:52:44 +0000 (12:52 -0800)] 
Merge branch 'jc/azure-ci-osx-fix-fix'

CI jobs for macOS has been made less chatty when updating perforce
package used during testing.

* jc/azure-ci-osx-fix-fix:
  ci(osx): update homebrew-cask repository with less noise

5 years agoMerge branch 'dl/range-diff-with-notes'
Junio C Hamano [Thu, 5 Dec 2019 20:52:44 +0000 (12:52 -0800)] 
Merge branch 'dl/range-diff-with-notes'

"git range-diff" learned to take the "--notes=<ref>" and the
"--no-notes" options to control the commit notes included in the
log message that gets compared.

* dl/range-diff-with-notes:
  format-patch: pass notes configuration to range-diff
  range-diff: pass through --notes to `git log`
  range-diff: output `## Notes ##` header
  t3206: range-diff compares logs with commit notes
  t3206: s/expected/expect/
  t3206: disable parameter substitution in heredoc
  t3206: remove spaces after redirect operators
  pretty-options.txt: --notes accepts a ref instead of treeish
  rev-list-options.txt: remove reference to --show-notes
  argv-array: add space after `while`

5 years agoMerge branch 'jh/userdiff-python-async'
Junio C Hamano [Thu, 5 Dec 2019 20:52:44 +0000 (12:52 -0800)] 
Merge branch 'jh/userdiff-python-async'

The userdiff machinery has been taught that "async def" is another
way to begin a "function" in Python.

* jh/userdiff-python-async:
  userdiff: support Python async functions

5 years agoMerge branch 'ec/fetch-mark-common-refs-trace2'
Junio C Hamano [Thu, 5 Dec 2019 20:52:43 +0000 (12:52 -0800)] 
Merge branch 'ec/fetch-mark-common-refs-trace2'

Trace2 annotation.

* ec/fetch-mark-common-refs-trace2:
  fetch: add trace2 instrumentation

5 years agoMerge branch 'dd/rebase-merge-reserves-onto-label'
Junio C Hamano [Thu, 5 Dec 2019 20:52:43 +0000 (12:52 -0800)] 
Merge branch 'dd/rebase-merge-reserves-onto-label'

The logic to avoid duplicate label names generated by "git rebase
--rebase-merges" forgot that the machinery itself uses "onto" as a
label name, which must be avoided by auto-generated labels, which
has been corrected.

* dd/rebase-merge-reserves-onto-label:
  sequencer: handle rebase-merges for "onto" message

5 years agoMerge branch 'js/builtin-add-i'
Junio C Hamano [Thu, 5 Dec 2019 20:52:43 +0000 (12:52 -0800)] 
Merge branch 'js/builtin-add-i'

The beginning of rewriting "git add -i" in C.

* js/builtin-add-i:
  built-in add -i: implement the `help` command
  built-in add -i: use color in the main loop
  built-in add -i: support `?` (prompt help)
  built-in add -i: show unique prefixes of the commands
  built-in add -i: implement the main loop
  built-in add -i: color the header in the `status` command
  built-in add -i: implement the `status` command
  diff: export diffstat interface
  Start to implement a built-in version of `git add --interactive`

5 years agoMerge branch 'js/rebase-r-safer-label'
Junio C Hamano [Thu, 5 Dec 2019 20:52:43 +0000 (12:52 -0800)] 
Merge branch 'js/rebase-r-safer-label'

A label used in the todo list that are generated by "git rebase
--rebase-merges" is used as a part of a refname; the logic to come
up with the label has been tightened to avoid names that cannot be
used as such.

* js/rebase-r-safer-label:
  rebase -r: let `label` generate safer labels
  rebase-merges: move labels' whitespace mangling into `label_oid()`

5 years agoMerge branch 'ep/guard-kset-tar-headers'
Junio C Hamano [Thu, 5 Dec 2019 20:52:43 +0000 (12:52 -0800)] 
Merge branch 'ep/guard-kset-tar-headers'

Code clean-up.

* ep/guard-kset-tar-headers:
  kset.h, tar.h: add missing header guard to prevent multiple inclusion

5 years agopkt-line: fix a typo
Johannes Schindelin [Mon, 2 Dec 2019 08:43:11 +0000 (08:43 +0000)] 
pkt-line: fix a typo

This typo was introduced in 2153d478b74 (pkt-line: introduce
packet_read_with_status, 2018-03-14).

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
5 years agoThe second batch
Junio C Hamano [Sun, 1 Dec 2019 17:04:07 +0000 (09:04 -0800)] 
The second batch

Signed-off-by: Junio C Hamano <gitster@pobox.com>
5 years agoMerge branch 'jk/gitweb-anti-xss'
Junio C Hamano [Sun, 1 Dec 2019 17:04:41 +0000 (09:04 -0800)] 
Merge branch 'jk/gitweb-anti-xss'

Some codepaths in "gitweb" that forgot to escape URLs generated
based on end-user input have been corrected.

* jk/gitweb-anti-xss:
  gitweb: escape URLs generated by href()
  t/gitweb-lib.sh: set $REQUEST_URI
  t/gitweb-lib.sh: drop confusing quotes
  t9502: pass along all arguments in xss helper

5 years agoMerge branch 'ar/install-doc-update-cmds-needing-the-shell'
Junio C Hamano [Sun, 1 Dec 2019 17:04:41 +0000 (09:04 -0800)] 
Merge branch 'ar/install-doc-update-cmds-needing-the-shell'

Doc update.

* ar/install-doc-update-cmds-needing-the-shell:
  INSTALL: use existing shell scripts as example

5 years agoMerge branch 'ma/t7004'
Junio C Hamano [Sun, 1 Dec 2019 17:04:41 +0000 (09:04 -0800)] 
Merge branch 'ma/t7004'

Test fix.

* ma/t7004:
  t7004: check existence of correct tag

5 years agoMerge branch 'js/complete-svn-recursive'
Junio C Hamano [Sun, 1 Dec 2019 17:04:40 +0000 (09:04 -0800)] 
Merge branch 'js/complete-svn-recursive'

The completion script (in contrib/) has been taught that "git svn"
supports the "--recursive" option.

* js/complete-svn-recursive:
  completion: tab-complete "git svn --recursive"

5 years agoMerge branch 'jk/send-pack-remote-failure'
Junio C Hamano [Sun, 1 Dec 2019 17:04:40 +0000 (09:04 -0800)] 
Merge branch 'jk/send-pack-remote-failure'

Error handling after "git push" finishes sending the packdata and
waits for the response to the remote side has been improved.

* jk/send-pack-remote-failure:
  send-pack: check remote ref status on pack-objects failure

5 years agoMerge branch 'jc/fsmonitor-sanity-fix'
Junio C Hamano [Sun, 1 Dec 2019 17:04:39 +0000 (09:04 -0800)] 
Merge branch 'jc/fsmonitor-sanity-fix'

Remove an incorrect BUG() that should not trigger.

* jc/fsmonitor-sanity-fix:
  fsmonitor: do not compare bitmap size with size of split index

5 years agoMerge branch 'sg/skip-skipped-prereq'
Junio C Hamano [Sun, 1 Dec 2019 17:04:39 +0000 (09:04 -0800)] 
Merge branch 'sg/skip-skipped-prereq'

Test update to avoid wasted cycles.

* sg/skip-skipped-prereq:
  test-lib: don't check prereqs of test cases that won't be run anyway

5 years agoMerge branch 'ds/test-read-graph'
Junio C Hamano [Sun, 1 Dec 2019 17:04:39 +0000 (09:04 -0800)] 
Merge branch 'ds/test-read-graph'

Dev support for commit-graph feature.

* ds/test-read-graph:
  test-tool: use 'read-graph' helper

5 years agoMerge branch 'rs/use-copy-array-in-mingw-shell-command-preparation'
Junio C Hamano [Sun, 1 Dec 2019 17:04:39 +0000 (09:04 -0800)] 
Merge branch 'rs/use-copy-array-in-mingw-shell-command-preparation'

Code cleanup.

* rs/use-copy-array-in-mingw-shell-command-preparation:
  mingw: use COPY_ARRAY for copying array

5 years agoMerge branch 'rs/parse-options-dup-null-fix'
Junio C Hamano [Sun, 1 Dec 2019 17:04:38 +0000 (09:04 -0800)] 
Merge branch 'rs/parse-options-dup-null-fix'

Code cleanup.

* rs/parse-options-dup-null-fix:
  parse-options: avoid arithmetic on pointer that's potentially NULL

5 years agoMerge branch 'jt/fetch-remove-lazy-fetch-plugging'
Junio C Hamano [Sun, 1 Dec 2019 17:04:38 +0000 (09:04 -0800)] 
Merge branch 'jt/fetch-remove-lazy-fetch-plugging'

"git fetch" codepath had a big "do not lazily fetch missing objects
when I ask if something exists" switch.  This has been corrected by
marking the "does this thing exist?" calls with "if not please do not
lazily fetch it" flag.

* jt/fetch-remove-lazy-fetch-plugging:
  promisor-remote: remove fetch_if_missing=0
  clone: remove fetch_if_missing=0
  fetch: remove fetch_if_missing=0

5 years agoMerge branch 'jk/optim-in-pack-idx-conversion'
Junio C Hamano [Sun, 1 Dec 2019 17:04:38 +0000 (09:04 -0800)] 
Merge branch 'jk/optim-in-pack-idx-conversion'

Code clean-up.

* jk/optim-in-pack-idx-conversion:
  pack-objects: avoid pointless oe_map_new_pack() calls

5 years agoMerge branch 'dl/complete-rebase-onto'
Junio C Hamano [Sun, 1 Dec 2019 17:04:37 +0000 (09:04 -0800)] 
Merge branch 'dl/complete-rebase-onto'

The completion script (in contrib/) learned that the "--onto"
option of "git rebase" can take its argument as the value of the
option.

* dl/complete-rebase-onto:
  completion: learn to complete `git rebase --onto=`

5 years agoMerge branch 'tg/stash-refresh-index'
Junio C Hamano [Sun, 1 Dec 2019 17:04:37 +0000 (09:04 -0800)] 
Merge branch 'tg/stash-refresh-index'

Recent update to "git stash pop" made the command empty the index
when run with the "--quiet" option, which has been corrected.

* tg/stash-refresh-index:
  stash: make sure we have a valid index before writing it

5 years agoMerge branch 'nn/doc-rebase-merges'
Junio C Hamano [Sun, 1 Dec 2019 17:04:36 +0000 (09:04 -0800)] 
Merge branch 'nn/doc-rebase-merges'

Doc update.

* nn/doc-rebase-merges:
  doc: improve readability of --rebase-merges in git-rebase

5 years agoMerge branch 'dd/sequencer-utf8'
Junio C Hamano [Sun, 1 Dec 2019 17:04:36 +0000 (09:04 -0800)] 
Merge branch 'dd/sequencer-utf8'

Handling of commit objects that use non UTF-8 encoding during
"rebase -i" has been improved.

* dd/sequencer-utf8:
  sequencer: reencode commit message for am/rebase --show-current-patch
  sequencer: reencode old merge-commit message
  sequencer: reencode squashing commit's message
  sequencer: reencode revert/cherry-pick's todo list
  sequencer: reencode to utf-8 before arrange rebase's todo list
  t3900: demonstrate git-rebase problem with multi encoding
  configure.ac: define ICONV_OMITS_BOM if necessary
  t0028: eliminate non-standard usage of printf

5 years agoMerge branch 'jk/remove-sha1-to-hex'
Junio C Hamano [Sun, 1 Dec 2019 17:04:36 +0000 (09:04 -0800)] 
Merge branch 'jk/remove-sha1-to-hex'

Code clean-up.

* jk/remove-sha1-to-hex:
  hex: drop sha1_to_hex()
  hex: drop sha1_to_hex_r()

5 years agoMerge branch 'dj/typofix-merge-strat'
Junio C Hamano [Sun, 1 Dec 2019 17:04:36 +0000 (09:04 -0800)] 
Merge branch 'dj/typofix-merge-strat'

Typofix.

* dj/typofix-merge-strat:
  merge-strategies: fix typo "reflected to" to "reflected in"

5 years agoMerge branch 'rj/bundle-ui-updates'
Junio C Hamano [Sun, 1 Dec 2019 17:04:36 +0000 (09:04 -0800)] 
Merge branch 'rj/bundle-ui-updates'

"git bundle" has been taught to use the parse options API.  "git
bundle verify" learned "--quiet" and "git bundle create" learned
options to control the progress output.

* rj/bundle-ui-updates:
  bundle-verify: add --quiet
  bundle-create: progress output control
  bundle: framework for options before bundle file

5 years agoMerge branch 'rs/skip-iprefix'
Junio C Hamano [Sun, 1 Dec 2019 17:04:36 +0000 (09:04 -0800)] 
Merge branch 'rs/skip-iprefix'

Code simplification.

* rs/skip-iprefix:
  convert: use skip_iprefix() in validate_encoding()
  utf8: use skip_iprefix() in same_utf_encoding()

5 years agoMerge branch 'ln/userdiff-elixir'
Junio C Hamano [Sun, 1 Dec 2019 17:04:35 +0000 (09:04 -0800)] 
Merge branch 'ln/userdiff-elixir'

The patterns to detect function boundary for Elixir language has
been added.

* ln/userdiff-elixir:
  userdiff: add Elixir to supported userdiff languages

5 years agoMerge branch 'py/shortlog-list-options-for-log'
Junio C Hamano [Sun, 1 Dec 2019 17:04:35 +0000 (09:04 -0800)] 
Merge branch 'py/shortlog-list-options-for-log'

Documentation pages for "git shortlog" now lists commit limiting
options explicitly.

* py/shortlog-list-options-for-log:
  git-shortlog.txt: include commit limiting options

5 years agoMerge branch 'en/doc-typofix'
Junio C Hamano [Sun, 1 Dec 2019 17:04:35 +0000 (09:04 -0800)] 
Merge branch 'en/doc-typofix'

Docfix.

* en/doc-typofix:
  Fix spelling errors in no-longer-updated-from-upstream modules
  multimail: fix a few simple spelling errors
  sha1dc: fix trivial comment spelling error
  Fix spelling errors in test commands
  Fix spelling errors in messages shown to users
  Fix spelling errors in names of tests
  Fix spelling errors in comments of testcases
  Fix spelling errors in code comments
  Fix spelling errors in documentation outside of Documentation/
  Documentation: fix a bunch of typos, both old and new

5 years agoMerge branch 'ns/test-desc-typofix'
Junio C Hamano [Sun, 1 Dec 2019 17:04:34 +0000 (09:04 -0800)] 
Merge branch 'ns/test-desc-typofix'

Typofix.

* ns/test-desc-typofix:
  t: fix typo in test descriptions

5 years agoMerge branch 'en/t6024-style'
Junio C Hamano [Sun, 1 Dec 2019 17:04:34 +0000 (09:04 -0800)] 
Merge branch 'en/t6024-style'

Test updates.

* en/t6024-style:
  t6024: modernize style

5 years agoMerge branch 'en/misc-doc-fixes'
Junio C Hamano [Sun, 1 Dec 2019 17:04:34 +0000 (09:04 -0800)] 
Merge branch 'en/misc-doc-fixes'

Misc doc fixes.

* en/misc-doc-fixes:
  name-hash.c: remove duplicate word in comment
  hashmap: fix documentation misuses of -> versus .
  git-filter-branch.txt: correct argument name typo

5 years agoMerge branch 'js/fetch-multi-lockfix'
Junio C Hamano [Sun, 1 Dec 2019 17:04:33 +0000 (09:04 -0800)] 
Merge branch 'js/fetch-multi-lockfix'

Fetching from multiple remotes into the same repository in parallel
had a bad interaction with the recent change to (optionally) update
the commit-graph after a fetch job finishes, as these parallel
fetches compete with each other.  Which has been corrected.

* js/fetch-multi-lockfix:
  fetch: avoid locking issues between fetch.jobs/fetch.writeCommitGraph
  fetch: add the command-line option `--write-commit-graph`

5 years agoMerge branch 'rs/trace2-dots'
Junio C Hamano [Sun, 1 Dec 2019 17:04:33 +0000 (09:04 -0800)] 
Merge branch 'rs/trace2-dots'

Code cleanup.

* rs/trace2-dots:
  trace2: add dots directly to strbuf in perf_fmt_prepare()

5 years agoMerge branch 'kw/fsmonitor-watchman-fix'
Junio C Hamano [Sun, 1 Dec 2019 17:04:33 +0000 (09:04 -0800)] 
Merge branch 'kw/fsmonitor-watchman-fix'

The watchman integration for fsmonitor was racy, which has been
corrected to be more conservative.

* kw/fsmonitor-watchman-fix:
  fsmonitor: fix watchman integration

5 years agoMerge branch 'cb/curl-use-xmalloc'
Junio C Hamano [Sun, 1 Dec 2019 17:04:33 +0000 (09:04 -0800)] 
Merge branch 'cb/curl-use-xmalloc'

HTTP transport had possible allocator/deallocator mismatch, which
has been corrected.

* cb/curl-use-xmalloc:
  remote-curl: unbreak http.extraHeader with custom allocators

5 years agoMerge branch 'rt/fetch-message-fix'
Junio C Hamano [Sun, 1 Dec 2019 17:04:32 +0000 (09:04 -0800)] 
Merge branch 'rt/fetch-message-fix'

A small message update.

* rt/fetch-message-fix:
  fetch.c: fix typo in a warning message

5 years agoMerge branch 'es/myfirstcontrib-updates'
Junio C Hamano [Sun, 1 Dec 2019 17:04:32 +0000 (09:04 -0800)] 
Merge branch 'es/myfirstcontrib-updates'

Doc updates.

* es/myfirstcontrib-updates:
  myfirstcontrib: hint to find gitgitgadget allower
  myfirstcontrib: add dependency installation step
  myfirstcontrib: add 'psuh' to command-list.txt

5 years agoMerge branch 'hw/config-doc-in-header'
Junio C Hamano [Sun, 1 Dec 2019 17:04:32 +0000 (09:04 -0800)] 
Merge branch 'hw/config-doc-in-header'

Follow recent push to move API docs from Documentation/ to header
files and update config.h

* hw/config-doc-in-header:
  config: move documentation to config.h

5 years agoMerge branch 'dl/doc-diff-no-index-implies-exit-code'
Junio C Hamano [Sun, 1 Dec 2019 17:04:31 +0000 (09:04 -0800)] 
Merge branch 'dl/doc-diff-no-index-implies-exit-code'

Doc update.

* dl/doc-diff-no-index-implies-exit-code:
  git-diff.txt: document return code of `--no-index`

5 years agoMerge branch 'js/vreportf-wo-buffering'
Junio C Hamano [Sun, 1 Dec 2019 17:04:31 +0000 (09:04 -0800)] 
Merge branch 'js/vreportf-wo-buffering'

Messages from die() etc. can be mixed up from multiple processes
without even line buffering on Windows, which has been worked
around.

* js/vreportf-wo-buffering:
  vreportf(): avoid relying on stdio buffering

5 years agoMerge branch 'pb/no-recursive-reset-hard-in-worktree-add'
Junio C Hamano [Sun, 1 Dec 2019 17:04:31 +0000 (09:04 -0800)] 
Merge branch 'pb/no-recursive-reset-hard-in-worktree-add'

"git worktree add" internally calls "reset --hard" that should not
descend into submodules, even when submodule.recurse configuration
is set, but it was affected.  This has been corrected.

* pb/no-recursive-reset-hard-in-worktree-add:
  worktree: teach "add" to ignore submodule.recurse config

5 years agoMerge branch 'pb/help-list-gitsubmodules-among-guides'
Junio C Hamano [Sun, 1 Dec 2019 17:04:30 +0000 (09:04 -0800)] 
Merge branch 'pb/help-list-gitsubmodules-among-guides'

Help update.

* pb/help-list-gitsubmodules-among-guides:
  help: add gitsubmodules to the list of guides

5 years agoMerge branch 'sg/blame-indent-heuristics-is-now-the-default'
Junio C Hamano [Sun, 1 Dec 2019 17:04:30 +0000 (09:04 -0800)] 
Merge branch 'sg/blame-indent-heuristics-is-now-the-default'

Message update.

* sg/blame-indent-heuristics-is-now-the-default:
  builtin/blame.c: remove '--indent-heuristic' from usage string

5 years agoMerge branch 'mr/clone-dir-exists-to-path-exists'
Junio C Hamano [Sun, 1 Dec 2019 17:04:29 +0000 (09:04 -0800)] 
Merge branch 'mr/clone-dir-exists-to-path-exists'

Code cleanup.

* mr/clone-dir-exists-to-path-exists:
  clone: rename static function `dir_exists()`.

5 years agoMerge branch 'ma/bisect-doc-sample-update'
Junio C Hamano [Sun, 1 Dec 2019 17:04:29 +0000 (09:04 -0800)] 
Merge branch 'ma/bisect-doc-sample-update'

"git merge --no-commit" needs "--no-ff" if you do not want to move
HEAD, which has been corrected in the manual page for "git bisect".

* ma/bisect-doc-sample-update:
  Documentation/git-bisect.txt: add --no-ff to merge command

5 years agoMerge branch 'js/git-path-head-dot-lock-fix'
Junio C Hamano [Sun, 1 Dec 2019 17:04:29 +0000 (09:04 -0800)] 
Merge branch 'js/git-path-head-dot-lock-fix'

"git rev-parse --git-path HEAD.lock" did not give the right path
when run in a secondary worktree.

* js/git-path-head-dot-lock-fix:
  git_path(): handle `.lock` files correctly
  t1400: wrap setup code in test case

5 years agoMerge branch 'jc/log-graph-simplify'
Junio C Hamano [Sun, 1 Dec 2019 17:04:28 +0000 (09:04 -0800)] 
Merge branch 'jc/log-graph-simplify'

The implementation of "git log --graph" got refactored and then its
output got simplified.

* jc/log-graph-simplify:
  t4215: use helper function to check output
  graph: fix coloring of octopus dashes
  graph: flatten edges that fuse with their right neighbor
  graph: smooth appearance of collapsing edges on commit lines
  graph: rename `new_mapping` to `old_mapping`
  graph: commit and post-merge lines for left-skewed merges
  graph: tidy up display of left-skewed merges
  graph: example of graph output that can be simplified
  graph: extract logic for moving to GRAPH_PRE_COMMIT state
  graph: remove `mapping_idx` and `graph_update_width()`
  graph: reduce duplication in `graph_insert_into_new_columns()`
  graph: reuse `find_new_column_by_commit()`
  graph: handle line padding in `graph_next_line()`
  graph: automatically track display width of graph lines

5 years agoMerge branch 'jk/cleanup-object-parsing-and-fsck'
Junio C Hamano [Sun, 1 Dec 2019 17:04:28 +0000 (09:04 -0800)] 
Merge branch 'jk/cleanup-object-parsing-and-fsck'

Crufty code and logic accumulated over time around the object
parsing and low-level object access used in "git fsck" have been
cleaned up.

* jk/cleanup-object-parsing-and-fsck: (23 commits)
  fsck: accept an oid instead of a "struct tree" for fsck_tree()
  fsck: accept an oid instead of a "struct commit" for fsck_commit()
  fsck: accept an oid instead of a "struct tag" for fsck_tag()
  fsck: rename vague "oid" local variables
  fsck: don't require an object struct in verify_headers()
  fsck: don't require an object struct for fsck_ident()
  fsck: drop blob struct from fsck_finish()
  fsck: accept an oid instead of a "struct blob" for fsck_blob()
  fsck: don't require an object struct for report()
  fsck: only require an oid for skiplist functions
  fsck: only provide oid/type in fsck_error callback
  fsck: don't require object structs for display functions
  fsck: use oids rather than objects for object_name API
  fsck_describe_object(): build on our get_object_name() primitive
  fsck: unify object-name code
  fsck: require an actual buffer for non-blobs
  fsck: stop checking tag->tagged
  fsck: stop checking commit->parent counts
  fsck: stop checking commit->tree value
  commit, tag: don't set parsed bit for parse failures
  ...

5 years agosubmodule: fix 'submodule status' when called from a subdirectory
Manish Goregaokar [Mon, 25 Nov 2019 04:15:44 +0000 (04:15 +0000)] 
submodule: fix 'submodule status' when called from a subdirectory

When calling `git submodule status` while in a subdirectory, we are
incorrectly not detecting modified submodules and
thus reporting that all of the submodules are unchanged.

This is because the submodule helper is calling `diff-index` with the
submodule path assuming the path is relative to the current prefix
directory, however the submodule path used is actually relative to the root.

Always pass NULL as the `prefix` when running diff-files on the
submodule, to make sure the submodule's path is interpreted as relative
to the superproject's repository root.

Signed-off-by: Manish Goregaokar <manishsmail@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
5 years agorevision: free topo_walk_info before creating a new one in init_topo_walk
Mike Hommey [Fri, 22 Nov 2019 08:37:04 +0000 (17:37 +0900)] 
revision: free topo_walk_info before creating a new one in init_topo_walk

init_topo_walk doesn't reuse an existing topo_walk_info, and currently
leaks the one that might exist on the current rev_info if it was already
used for a topo walk beforehand.

Signed-off-by: Mike Hommey <mh@glandium.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
5 years agorevision: clear the topo-walk flags in reset_revision_walk
Mike Hommey [Fri, 22 Nov 2019 08:37:03 +0000 (17:37 +0900)] 
revision: clear the topo-walk flags in reset_revision_walk

Not doing so can lead to wrong topo-walks when using the revision walk API
consecutively.

Signed-off-by: Mike Hommey <mh@glandium.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
5 years agogit-compat-util.h: drop the `PRIuMAX` and other fallback definitions
Hariom Verma [Sun, 24 Nov 2019 13:09:23 +0000 (13:09 +0000)] 
git-compat-util.h: drop the `PRIuMAX` and other fallback definitions

Git's code base already seems to be using `PRIdMAX` without any such
fallback definition for quite a while (75459410edd (json_writer: new
routines to create JSON data, 2018-07-13), to be precise, and the
first Git version to include that commit was v2.19.0).  Having a
fallback definition only for `PRIuMAX` is a bit inconsistent.

We do sometimes get portability reports more than a year after the
problem was introduced.  This one should be fairly safe.  PRIuMAX is
in C99 (for that matter, SCNuMAX, PRIu32 and others also are), and
we've been picking up other C99-isms without complaint.

The PRIuMAX fallback definition was originally added in 3efb1f343a
(Check for PRIuMAX rather than NO_C99_FORMAT in fast-import.c.,
2007-02-20). But it was replacing a construct that was introduced in
an even earlier commit, 579d1fbfaf (Add NO_C99_FORMAT to support
older compilers., 2006-07-30), which talks about gcc 2.95.

That's pretty ancient at this point.

Signed-off-by: Hariom Verma <hariom18599@gmail.com>
Helped-by: Jeff King <peff@peff.net>
[jc: tweaked both message and code, taking what peff wrote]
Signed-off-by: Junio C Hamano <gitster@pobox.com>
5 years agoreset: parse rev as tree-ish in patch mode
Nika Layzell [Sun, 24 Nov 2019 20:25:49 +0000 (20:25 +0000)] 
reset: parse rev as tree-ish in patch mode

Since 2f328c3d ("reset $sha1 $pathspec: require $sha1 only to be
treeish", 2013-01-14), we allowed "git reset $object -- $path" to reset
individual paths that match the pathspec to take the blob from a tree
object, not necessarily a commit, while the form to reset the tip of the
current branch to some other commit still must be given a commit.

Like resetting with paths, "git reset --patch" does not update HEAD, and
need not require a commit. The path-filtered form, "git reset --patch
$object -- $pathspec", has accepted a tree-ish since 2f328c3d.

"git reset --patch" is documented as accepting a <tree-ish> since
bf44142f ("reset: update documentation to require only tree-ish with
paths", 2013-01-16). Documentation changes are not required.

Loosen the restriction that requires a commit for the unfiltered "git
reset --patch $object".

Signed-off-by: Nika Layzell <nika@thelayzells.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
5 years agodoc: mention that 'git submodule update' fetches missing commits
Philippe Blain [Sun, 24 Nov 2019 02:01:35 +0000 (21:01 -0500)] 
doc: mention that 'git submodule update' fetches missing commits

'git submodule update' will fetch new commits from the submodule remote
if the SHA-1 recorded in the superproject is not found. This was not
mentioned in the documentation.

Helped-by: Junio C Hamano <gitster@pobox.com>
Helped-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Philippe Blain <levraiphilippeblain@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
5 years agodoc: document 'git submodule status --cached'
Manish Goregaokar [Sat, 23 Nov 2019 05:54:28 +0000 (05:54 +0000)] 
doc: document 'git submodule status --cached'

'git submodule status --cached' reports the SHAs recorded in the
index of the superproject, instead of the SHAs that are checked out
in the submodule.

Signed-off-by: Manish Goregaokar <manishsmail@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
5 years agot5608-clone-2gb.sh: turn GIT_TEST_CLONE_2GB into a bool
SZEDER Gábor [Fri, 22 Nov 2019 13:14:37 +0000 (14:14 +0100)] 
t5608-clone-2gb.sh: turn GIT_TEST_CLONE_2GB into a bool

The GIT_TEST_CLONE_2GB environment variable is only ever checked with
'test -z' in 't5608-clone-2gb.sh', so any non-empty value is
interpreted as "yes, run these expensive tests", even
'GIT_TEST_CLONE_2GB=NoThanks'.

Similar GIT_TEST_* environment variables have already been turned into
bools in 3b072c577b (tests: replace test_tristate with "git
env--helper", 2019-06-21), so let's turn GIT_TEST_CLONE_2GB into a
bool as well, to follow suit.

Our CI builds set GIT_TEST_CLONE_2GB=YesPlease, so adjust them
accordingly, thus removing the last 'YesPlease' from our CI scripts.

Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
5 years agotests: add 'test_bool_env' to catch non-bool GIT_TEST_* values
SZEDER Gábor [Fri, 22 Nov 2019 13:14:36 +0000 (14:14 +0100)] 
tests: add 'test_bool_env' to catch non-bool GIT_TEST_* values

Since 3b072c577b (tests: replace test_tristate with "git env--helper",
2019-06-21) we get the normalized bool values of various GIT_TEST_*
environment variables via 'git env--helper'.  Now, while the 'git
env--helper' command itself does catch invalid values in the
environment variable or in the given --default and exits with error
(exit code 128 or 129, respectively), it's invoked in conditions like
'if ! git env--helper ...', which means that all invalid bool values
are interpreted the same as the ordinary 'false' (exit code 1).  This
has led to inadvertently skipped httpd tests in our CI builds for a
couple of weeks, see 3960290675 (ci: restore running httpd tests,
2019-09-06).

Let's be more careful about what the test suite accepts as bool values
in GIT_TEST_* environment variables, and error out loud and clear on
invalid values instead of simply skipping tests.  Add the
'test_bool_env' helper function to encapsulate the invocation of 'git
env--helper' and the verification of its exit code, and replace all
invocations of that command in our test framework and test suite with
a call to this new helper (except in 't0017-env-helper.sh', of
course).

  $ GIT_TEST_GIT_DAEMON=YesPlease ./t5570-git-daemon.sh
  fatal: bad numeric config value 'YesPlease' for 'GIT_TEST_GIT_DAEMON': invalid unit
  error: test_bool_env requires bool values both for $GIT_TEST_GIT_DAEMON and for the default fallback

Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
5 years agosequencer: fix empty commit check when amending
Phillip Wood [Fri, 22 Nov 2019 19:43:03 +0000 (19:43 +0000)] 
sequencer: fix empty commit check when amending

This fixes a regression introduced in 356ee4659b ("sequencer: try to
commit without forking 'git commit'", 2017-11-24). When amending a
commit try_to_commit() was using the wrong parent when checking if the
commit would be empty. When amending we need to check against HEAD^ not
HEAD.

t3403 may not seem like the natural home for the new tests but a further
patch series will improve the advice printed by `git commit`. That
series will mutate these tests to check that the advice includes
suggesting `rebase --skip` to skip the fixup that would empty the
commit.

Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
5 years agogit svn: stop using `rebase --preserve-merges`
Johannes Schindelin [Fri, 22 Nov 2019 22:59:29 +0000 (22:59 +0000)] 
git svn: stop using `rebase --preserve-merges`

We deprecated `--preserve-merges` in favor of `--rebase-merges`; Let's
reflect that in `git svn`.

Note: Even when the user asks for `--preserve-merges`, we now silently
pass `--rebase-merges` to `git rebase` instead. Technically, this is a
change of behavior. But practically, `git svn` only ever asks for a
non-interactive rebase, and `--preserve-merges` and `--rebase-merges`
are on par with regard to that.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Acked-by: Eric Wong <e@80x24.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
5 years agogpg-interface: limit search for primary key fingerprint
Hans Jerry Illikainen [Fri, 22 Nov 2019 20:23:12 +0000 (20:23 +0000)] 
gpg-interface: limit search for primary key fingerprint

The VALIDSIG status line from GnuPG with --status-fd is documented to
have 9 required and 1 optional fields [1].  The final, and optional,
field is used to specify the fingerprint of the primary key that made
the signature in case it was made by a subkey.  However, this field is
only available for OpenPGP signatures; not for CMS/X.509.

If the VALIDSIG status line does not have the optional 10th field, the
current code will continue reading onto the next status line.  And this
is the case for non-OpenPGP signatures [1].

The consequence is that a subsequent status line may be considered as
the "primary key" for signatures that does not have an actual primary
key.

Limit the search of these 9 or 10 fields to the single line to avoid
this problem.  If the 10th field is missing, report that there is no
primary key fingerprint.

[Reference]

[1] GnuPG Details, General status codes
https://git.gnupg.org/cgi-bin/gitweb.cgi?p=gnupg.git;a=blob;f=doc/DETAILS;h=6ce340e8c04794add995e84308bb3091450bd28f;hb=HEAD#l483

The documentation says:

    VALIDSIG <args>

    The args are:

    - <fingerprint_in_hex>
    - <sig_creation_date>
    - <sig-timestamp>
    - <expire-timestamp>
    - <sig-version>
    - <reserved>
    - <pubkey-algo>
    - <hash-algo>
    - <sig-class>
    - [ <primary-key-fpr> ]

    This status indicates that the signature is cryptographically
    valid. [...] PRIMARY-KEY-FPR is the fingerprint of the primary key
    or identical to the first argument.

    The primary-key-fpr parameter is used for OpenPGP and not available
    for CMS signatures.  [...]

Signed-off-by: Hans Jerry Illikainen <hji@dyntopia.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
5 years agogpg-interface: refactor the free-and-xmemdupz pattern
Hans Jerry Illikainen [Thu, 21 Nov 2019 23:43:35 +0000 (23:43 +0000)] 
gpg-interface: refactor the free-and-xmemdupz pattern

Introduce a static replace_cstring() function to simplify repeated
pattern of free-and-xmemdupz() for GPG status line parsing.

This also helps us avoid potential memleaks if parsing of new status
lines are introduced in the future.

Signed-off-by: Hans Jerry Illikainen <hji@dyntopia.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
5 years agounpack-trees: skip stat on fsmonitor-valid files
Utsav Shah [Wed, 20 Nov 2019 08:32:17 +0000 (08:32 +0000)] 
unpack-trees: skip stat on fsmonitor-valid files

The index might be aware that a file hasn't modified via fsmonitor, but
unpack-trees did not pay attention to it and checked via ie_match_stat
which can be inefficient on certain filesystems. This significantly slows
down commands that run oneway_merge, like checkout and reset --hard.

This patch makes oneway_merge check whether a file is considered
unchanged through fsmonitor and skips ie_match_stat on it. unpack-trees
also now correctly copies over fsmonitor validity state from the source
index. Finally, for correctness, we force a refresh of fsmonitor state in
tweak_fsmonitor.

After this change, commands like stash (that use reset --hard
internally) go from 8s or more to ~2s on a 250k file repository on a
mac.

Helped-by: Junio C Hamano <gitster@pobox.com>
Helped-by: Kevin Willford <Kevin.Willford@microsoft.com>
Signed-off-by: Utsav Shah <utsav@dropbox.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
5 years agot5520: replace `! git` with `test_must_fail git`
Denton Liu [Tue, 12 Nov 2019 23:08:16 +0000 (15:08 -0800)] 
t5520: replace `! git` with `test_must_fail git`

Currently, if a git command fails in an unexpected way, such as a
segfault, it will be masked and ignored. Replace the ! with
test_must_fail so that only expected failures pass.

Signed-off-by: Denton Liu <liu.denton@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
5 years agot5520: remove redundant lines in test cases
Denton Liu [Tue, 12 Nov 2019 23:08:14 +0000 (15:08 -0800)] 
t5520: remove redundant lines in test cases

In the previous patches, the mechanical application of changes left some
duplicate statements in the test case which were not strictly incorrect
but were redundant and possibly misleading. Remove these duplicate
statements so that it is clear that the intent behind the tests are that
the content of the file stays the same throughout the whole test case.

Signed-off-by: Denton Liu <liu.denton@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
5 years agot5520: replace $(cat ...) comparison with test_cmp
Denton Liu [Tue, 12 Nov 2019 23:08:12 +0000 (15:08 -0800)] 
t5520: replace $(cat ...) comparison with test_cmp

We currently have many instances of `test <line> = $(cat <file>)` and
`test $(cat <file>) = <line>`.  In the case where this fails, it will be
difficult for a developer to debug since the output will be masked.
Replace these instances with invocations of test_cmp().

This change was done with the following GNU sed expressions:

s/\(\s*\)test \([^=]*\)= "$(cat \([^)]*\))"/\1echo \2>expect \&\&\n\1test_cmp expect \3/
s/\(\s*\)test "$(cat \([^)]*\))" = \([^&]*\)\( &&\)\?$/\1echo \3 >expect \&\&\n\1test_cmp expect \2\4/

A future patch will clean up situations where we have multiple duplicate
statements within a test case. This is done to keep this patch purely
mechanical.

Signed-off-by: Denton Liu <liu.denton@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
5 years agot5520: don't put git in upstream of pipe
Denton Liu [Tue, 12 Nov 2019 23:08:10 +0000 (15:08 -0800)] 
t5520: don't put git in upstream of pipe

Before, if the invocation of git failed, it would be masked by the pipe
since only the return code of the last element of a pipe is used.
Rewrite the test to put the git command on its own line so its return
code is not masked.

Signed-off-by: Denton Liu <liu.denton@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
5 years agot5520: test single-line files by git with test_cmp
Denton Liu [Tue, 12 Nov 2019 23:08:07 +0000 (15:08 -0800)] 
t5520: test single-line files by git with test_cmp

In case an invocation of a git command fails within the command
substitution, the failure will be masked. Replace the command
substitution with a file-redirection and a call to test_cmp.

This change was done with the following GNU sed expressions:

s/\(\s*\)test \([^ ]*\) = "$(\(git [^)]*\))"/\1echo \2 >expect \&\&\n\1\3 >actual \&\&\n\1test_cmp expect actual/
s/\(\s*\)test "$(\(git [^)]*\))" = \([^ ]*\)/\1echo \3 >expect \&\&\n\1\2 >actual \&\&\n\1test_cmp expect actual/

A future patch will clean up situations where we have multiple duplicate
statements within a test case. This is done to keep this patch purely
mechanical.

Signed-off-by: Denton Liu <liu.denton@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
5 years agot5520: use test_cmp_rev where possible
Denton Liu [Tue, 12 Nov 2019 23:08:05 +0000 (15:08 -0800)] 
t5520: use test_cmp_rev where possible

In case an invocation of `git rev-list` fails within the command
substitution, the failure will be masked. Remove the command
substitution and use test_cmp_rev() so that failures can be discovered.

This change was done with the following sed expressions:

s/test "$(git rev-parse.* \([^)]*\))" = "$(git rev-parse \([^)]*\))"/test_cmp_rev \1 \2/
s/test \([^ ]*\) = "$(git rev-parse.* \([^)]*\))"/test_cmp_rev \1 \2/
s/test "$(git rev-parse.* \([^)]*\))" != "$(git rev-parse.* \([^)]*\))"/test_cmp_rev ! \1 \2/
s/test \([^ ]*\) != "$(git rev-parse.* \([^)]*\))"/test_cmp_rev ! \1 \2/

Signed-off-by: Denton Liu <liu.denton@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
5 years agot5520: replace test -{n,z} with test-lib functions
Denton Liu [Tue, 12 Nov 2019 23:08:02 +0000 (15:08 -0800)] 
t5520: replace test -{n,z} with test-lib functions

When wrapping a git command in a command substitution within another
command, we throw away the git command's exit code. In case the git
command fails, we would like to know about it rather than the failure
being silent. Extract git commands so that their exit codes are not
lost.

Instead of using `test -n` or `test -z`, replace them respectively with
invocations of test_file_not_empty() and test_must_be_empty() so that we
get better debugging information in the case of a failure.

Signed-off-by: Denton Liu <liu.denton@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
5 years agot5520: use test_line_count where possible
Denton Liu [Tue, 12 Nov 2019 23:08:00 +0000 (15:08 -0800)] 
t5520: use test_line_count where possible

Instead of rolling our own functionality to test the number of lines a
command outputs, use test_line_count() which provides better debugging
information in the case of a failure.

Signed-off-by: Denton Liu <liu.denton@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
5 years agot5520: remove spaces after redirect operator
Denton Liu [Tue, 12 Nov 2019 23:07:58 +0000 (15:07 -0800)] 
t5520: remove spaces after redirect operator

The style for tests in Git is to have the redirect operator attached to
the filename with no spaces. Fix test cases where this is not the case.

Signed-off-by: Denton Liu <liu.denton@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
5 years agot5520: replace test -f with test-lib functions
Denton Liu [Tue, 12 Nov 2019 23:07:55 +0000 (15:07 -0800)] 
t5520: replace test -f with test-lib functions

Although `test -f` has the same functionality as test_path_is_file(), in
the case where test_path_is_file() fails, we get much better debugging
information.

Replace `test -f` with test_path_is_file() so that future developers
will have a better experience debugging these test cases.

Also, in the case of `! test -f`, not only should that path not be a
file, it shouldn't exist at all so replace it with
test_path_is_missing().

Signed-off-by: Denton Liu <liu.denton@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>