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The effort to pass the repository in-core structure throughout the
API continues. This round deals with the code that implements the
refs/replace/ mechanism.
* sb/object-store-replace:
replace-object: allow lookup_replace_object to handle arbitrary repositories
replace-object: allow do_lookup_replace_object to handle arbitrary repositories
replace-object: allow prepare_replace_object to handle arbitrary repositories
refs: allow for_each_replace_ref to handle arbitrary repositories
refs: store the main ref store inside the repository struct
replace-object: add repository argument to lookup_replace_object
replace-object: add repository argument to do_lookup_replace_object
replace-object: add repository argument to prepare_replace_object
refs: add repository argument to for_each_replace_ref
refs: add repository argument to get_main_ref_store
replace-object: check_replace_refs is safe in multi repo environment
replace-object: eliminate replace objects prepared flag
object-store: move lookup_replace_object to replace-object.h
replace-object: move replace_map to object store
replace_object: use oidmap
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Precompute and store information necessary for ancestry traversal
in a separate file to optimize graph walking.
* ds/commit-graph:
commit-graph: implement "--append" option
commit-graph: build graph from starting commits
commit-graph: read only from specific pack-indexes
commit: integrate commit graph with commit parsing
commit-graph: close under reachability
commit-graph: add core.commitGraph setting
commit-graph: implement git commit-graph read
commit-graph: implement git-commit-graph write
commit-graph: implement write_commit_graph()
commit-graph: create git-commit-graph builtin
graph: add commit graph design document
commit-graph: add format document
csum-file: refactor finalize_hashfile() method
csum-file: rename hashclose() to finalize_hashfile()
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"git config --unset a.b", when "a.b" is the last variable in an
otherwise empty section "a", left an empty section "a" behind, and
worse yet, a subsequent "git config a.c value" did not reuse that
empty shell and instead created a new one. These have been
(partially) corrected.
* js/empty-config-section-fix:
git_config_set: reuse empty sections
git config --unset: remove empty sections (in the common case)
git_config_set: make use of the config parser's event stream
git_config_set: do not use a state machine
config_set_store: rename some fields for consistency
config: avoid using the global variable `store`
config: introduce an optional event stream while parsing
t1300: `--unset-all` can leave an empty section behind (bug)
t1300: add a few more hairy examples of sections becoming empty
t1300: remove unreasonable expectation from TODO
t1300: avoid relying on a bug
config --replace-all: avoid extra line breaks
t1300: demonstrate that --replace-all can "invent" newlines
t1300: rename it to reflect that `repo-config` was deprecated
git_config_set: fix off-by-two
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Moving a submodule that itself has submodule in it with "git mv"
forgot to make necessary adjustment to the nested sub-submodules;
now the codepath learned to recurse into the submodules.
* sb/submodule-move-nested:
submodule: fixup nested submodules after moving the submodule
submodule-config: remove submodule_from_cache
submodule-config: add repository argument to submodule_from_{name, path}
submodule-config: allow submodule_free to handle arbitrary repositories
grep: remove "repo" arg from non-supporting funcs
submodule.h: drop declaration of connect_work_tree_and_git_dir
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A build-time option has been added to allow Git to be told to refer
to its associated files relative to the main binary, in the same
way that has been possible on Windows for quite some time, for
Linux, BSDs and Darwin.
* dj/runtime-prefix:
Makefile: quote $INSTLIBDIR when passing it to sed
Makefile: remove unused @@PERLLIBDIR@@ substitution variable
mingw/msvc: use the new-style RUNTIME_PREFIX helper
exec_cmd: provide a new-style RUNTIME_PREFIX helper for Windows
exec_cmd: RUNTIME_PREFIX on some POSIX systems
Makefile: add Perl runtime prefix support
Makefile: generate Perl header from template file
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The beginning of the next-gen transfer protocol.
* bw/protocol-v2: (35 commits)
remote-curl: don't request v2 when pushing
remote-curl: implement stateless-connect command
http: eliminate "# service" line when using protocol v2
http: don't always add Git-Protocol header
http: allow providing extra headers for http requests
remote-curl: store the protocol version the server responded with
remote-curl: create copy of the service name
pkt-line: add packet_buf_write_len function
transport-helper: introduce stateless-connect
transport-helper: refactor process_connect_service
transport-helper: remove name parameter
connect: don't request v2 when pushing
connect: refactor git_connect to only get the protocol version once
fetch-pack: support shallow requests
fetch-pack: perform a fetch using v2
upload-pack: introduce fetch server command
push: pass ref prefixes when pushing
fetch: pass ref prefixes when fetching
ls-remote: pass ref prefixes when requesting a remote's refs
transport: convert transport_get_remote_refs to take a list of ref prefixes
...
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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
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Test cleanup.
* ps/test-chmtime-get:
t/helper: 'test-chmtime (--get|-g)' to print only the mtime
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Test fix.
* js/t5404-path-fix:
t5404: relax overzealous test
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Test update.
* nd/worktree-move:
t2028: tighten grep expression to make "move worktree" test more robust
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"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
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Test fixes.
* jk/t5561-missing-curl:
t5561: skip tests if curl is not available
t5561: drop curl stderr redirects
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"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
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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
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"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
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"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
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Add a repository argument to allow the get_main_ref_store caller
to be more specific about which repository to handle. This is a small
mechanical change; it doesn't change the implementation to handle
repositories other than the_repository yet.
As with the previous commits, use a macro to catch callers passing a
repository other than the_repository at compile time.
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* '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
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Enable Git to resolve its own binary location using a variety of
OS-specific and generic methods, including:
- procfs via "/proc/self/exe" (Linux)
- _NSGetExecutablePath (Darwin)
- KERN_PROC_PATHNAME sysctl on BSDs.
- argv0, if absolute (all, including Windows).
This is used to enable RUNTIME_PREFIX support for non-Windows systems,
notably Linux and Darwin. When configured with RUNTIME_PREFIX, Git will
do a best-effort resolution of its executable path and automatically use
this as its "exec_path" for relative helper and data lookups, unless
explicitly overridden.
Small incidental formatting cleanup of "exec_cmd.c".
Signed-off-by: Dan Jacques <dnj@google.com>
Thanks-to: Robbie Iannucci <iannucci@google.com>
Thanks-to: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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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>
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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>
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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>
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Test cleanup.
* pk/test-avoid-pipe-hiding-exit-status:
test: avoid pipes in git related commands for test
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"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()
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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
...
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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
...
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Test helper update.
* jc/test-must-be-empty:
test_must_be_empty: simplify file existence check
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Perf-test update.
* cc/perf-aggregate-sort:
perf/aggregate: add --sort-by=regression option
perf/aggregate: add display_dir()
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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
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Teach git-commit-graph to add all commits from the existing
commit-graph file to the file about to be written. This should be
used when adding new commits without performing garbage collection.
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Teach git-commit-graph to read commits from stdin when the
--stdin-commits flag is specified. Commits reachable from these
commits are added to the graph. This is a much faster way to construct
the graph than inspecting all packed objects, but is restricted to
known tips.
For the Linux repository, 700,000+ commits were added to the graph
file starting from 'master' in 7-9 seconds, depending on the number
of packfiles in the repo (1, 24, or 120).
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Teach git-commit-graph to inspect the objects only in a certain list
of pack-indexes within the given pack directory. This allows updating
the commit graph iteratively.
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Teach Git to inspect a commit graph file to supply the contents of a
struct commit when calling parse_commit_gently(). This implementation
satisfies all post-conditions on the struct commit, including loading
parents, the root tree, and the commit date.
If core.commitGraph is false, then do not check graph files.
In test script t5318-commit-graph.sh, add output-matching conditions on
read-only graph operations.
By loading commits from the graph instead of parsing commit buffers, we
save a lot of time on long commit walks. Here are some performance
results for a copy of the Linux repository where 'master' has 678,653
reachable commits and is behind 'origin/master' by 59,929 commits.
| Command | Before | After | Rel % |
|----------------------------------|--------|--------|-------|
| log --oneline --topo-order -1000 | 8.31s | 0.94s | -88% |
| branch -vv | 1.02s | 0.14s | -86% |
| rev-list --all | 5.89s | 1.07s | -81% |
| rev-list --all --objects | 66.15s | 58.45s | -11% |
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Teach git-commit-graph to read commit graph files and summarize their contents.
Use the read subcommand to verify the contents of a commit graph file in the
tests.
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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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
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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
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"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
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"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
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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
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"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
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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
...
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It can happen quite easily that the last setting in a config section is
removed, and to avoid confusion when there are comments in the config
about that section, we keep a lone section header, i.e. an empty
section.
Now that we use the `event_fn` callback, it is easy to add support for
re-using empty sections, so let's do that.
Note: t5512-ls-remote requires that this change is applied *after* the
patch "git config --unset: remove empty sections (in the common case)":
without that patch, there would be empty `transfer` and `uploadpack`
sections ready for reuse, but in the *wrong* order (and sconsequently,
t5512's "overrides work between mixed transfer/upload-pack hideRefs"
would fail).
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The original reasoning for not removing section headers upon removal of
the last entry went like this: the user could have added comments about
the section, or about the entries therein, and if there were other
comments there, we would not know whether we should remove them.
In particular, a concocted example was presented that looked like this
(and was added to t1300):
# some generic comment on the configuration file itself
# a comment specific to this "section" section.
[section]
# some intervening lines
# that should also be dropped
key = value
# please be careful when you update the above variable
The ideal thing for `git config --unset section.key` in this case would
be to leave only the first line behind, because all the other comments
are now obsolete.
However, this is unfeasible, short of adding a complete Natural Language
Processing module to Git, which seems not only a lot of work, but a
totally unreasonable feature (for little benefit to most users).
Now, the real kicker about this problem is: most users do not edit their
config files at all! In their use case, the config looks like this
instead:
[section]
key = value
... and it is totally obvious what should happen if the entry is
removed: the entire section should vanish.
Let's generalize this observation to this conservative strategy: if we
are removing the last entry from a section, and there are no comments
inside that section nor surrounding it, then remove the entire section.
Otherwise behave as before: leave the now-empty section (including those
comments, even ones about the now-deleted entry).
We have to be extra careful to handle the case where more than one entry
is removed: any subset of them might be the last entries of their
respective sections (and if there are no comments in or around that
section, the section should be removed, too).
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We already have a test demonstrating that removing the last entry from a
config section fails to remove the section header of the now-empty
section.
The same can happen, of course, if we remove the last entries in one fell
swoop. This is *also* a bug, and should be fixed at the same time.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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During the review of the first iteration of the patch series to remove
sections that become empty upon --unset or --unset-all, Jeff King
identified a couple of problematic cases with the backtracking approach
that was still used then to "look backwards for the section header":
https://public-inbox.org/git/20180329213229.GG2939@sigill.intra.peff.net/
This patch adds a couple of concocted examples designed to fool a
backtracking parser.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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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>
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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>
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In https://public-inbox.org/git/7vvc8alzat.fsf@alter.siamese.dyndns.org/
a reasonable patch was made quite a bit less so by changing a test case
demonstrating a bug to a test case that demonstrates that we ask for too
much: the test case 'unsetting the last key in a section removes header'
now expects a future bug fix to be able to determine whether a free-form
comment above a section header refers to said section or not.
Rather than shooting for the stars (and not even getting off the
ground), let's start shooting for something obtainable and be reasonably
confident that we *can* get it.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The test case 'unset with cont. lines' relied on a bug that is about to
be fixed: it tests *explicitly* that removing the last entry from a
config section leaves an *empty* section behind.
Let's fix this test case not to rely on that behavior, simply by
preventing the section from becoming empty.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When replacing multiple config entries at once, we did not re-set the
flag that indicates whether we need to insert a new-line before the new
entry. As a consequence, an extra new-line was inserted under certain
circumstances.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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