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Refuse to force-move a branch over the currently checked out branch of
any working tree, not just the current one.
Signed-off-by: Anders Kaseorg <andersk@mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Documentation/CodingGuidelines says “do not end error messages with a
full stop” and “do not capitalize the first word”. Clean up existing
messages, some of which we will be touching in later steps in the
series, that deviate from these rules in this file, as a preparation for
the main part of the topic.
Signed-off-by: Anders Kaseorg <andersk@mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Things like "git -c branch.sort=bogus branch new HEAD", i.e. the
operation modes of the "git branch" command that do not need the
sort key information, no longer errors out by seeing a bogus sort
key.
* jc/fix-ref-sorting-parse:
for-each-ref: delay parsing of --sort=<atom> options
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The for-each-ref family of commands invoke parsers immediately when
it sees each --sort=<atom> option, and die before even seeing the
other options on the command line when the <atom> is unrecognised.
Instead, accumulate them in a string list, and have them parsed into
a ref_sorting structure after the command line parsing is done. As
a consequence, "git branch --sort=bogus -h" used to fail to give the
brief help, which arguably may have been a feature, now does so,
which is more consistent with how other options work.
The patch is smaller than the actual extent of the "damage" to the
codebase, thanks to the fact that the original code consistently
used OPT_REF_SORT() macro to handle command line options. We only
needed to replace the variable used for the list, and implementation
of the callback function used in the macro.
The old rule was for the users of the API to:
- Declare ref_sorting and ref_sorting_tail variables;
- OPT_REF_SORT() macro will instantiate ref_sorting instance (which
may barf and die) and append it to the tail;
- Append to the tail each ref_sorting read from the configuration
by parsing in the config callback (which may barf and die);
- See if ref_sorting is null and use ref_sorting_default() instead.
Now the rule is not all that different but is simpler:
- Declare ref_sorting_options string list.
- OPT_REF_SORT() macro will append it to the string list;
- Append to the string list the sort key read from the
configuration;
- call ref_sorting_options() to turn the string list to ref_sorting
structure (which also deals with the default value).
As side effects, this change also cleans up a few issues:
- 95be717c (parse_opt_ref_sorting: always use with NONEG flag,
2019-03-20) muses that "git for-each-ref --no-sort" should simply
clear the sort keys accumulated so far; it now does.
- The implementation detail of "struct ref_sorting" and the helper
function parse_ref_sorting() can now be private to the ref-filter
API implementation.
- If you set branch.sort to a bogus value, the any "git branch"
invocation, not only the listing mode, would abort with the
original code; now it doesn't
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add a test for "git branch" to cover the case where .git/refs is
symlinked. To check availability, refs_verify_refname_available() will
run refs_read_raw_ref() on each prefix, leading to a read() from
.git/refs (which is a directory).
It would probably be more robust to re-issue the lstat() as a normal
stat(), in which case, we would fall back to the directory case, but
for now let's just test for the existing behavior as-is. This test
covers a regression in a commit that only ever made it to "next", see
[1].
1. http://lore.kernel.org/git/pull.1068.git.git.1629203489546.gitgitgadget@gmail.com
Signed-off-by: Han-Wen Nienhuys <hanwen@google.com>
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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git branch only allows deleting branches that point to valid commits.
Skip that check if --force is given, as the caller is indicating with
it that they know what they are doing and accept the consequences.
This allows deleting dangling branches, which previously had to be
reset to a valid start-point using --force first.
Reported-by: Ulrich Windl <Ulrich.Windl@rz.uni-regensburg.de>
Helped-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Helped-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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As a follow-up to d162b25f956 (tests: remove support for
GIT_TEST_GETTEXT_POISON, 2021-01-20) remove most uses of test_i18ncmp
via a simple s/test_i18ncmp/test_cmp/g search-replacement.
I'm leaving t6300-for-each-ref.sh out due to a conflict with in-flight
changes between "master" and "seen", as well as the prerequisite
itself due to other changes between "master" and "next/seen" which add
new test_i18ncmp uses.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Prepare tests not to be affected by the name of the default branch
"git init" creates.
* js/default-branch-name-tests-final-stretch: (28 commits)
tests: drop prereq `PREPARE_FOR_MAIN_BRANCH` where no longer needed
t99*: adjust the references to the default branch name "main"
tests(git-p4): transition to the default branch name `main`
t9[5-7]*: adjust the references to the default branch name "main"
t9[0-4]*: adjust the references to the default branch name "main"
t8*: adjust the references to the default branch name "main"
t7[5-9]*: adjust the references to the default branch name "main"
t7[0-4]*: adjust the references to the default branch name "main"
t6[4-9]*: adjust the references to the default branch name "main"
t64*: preemptively adjust alignment to prepare for `master` -> `main`
t6[0-3]*: adjust the references to the default branch name "main"
t5[6-9]*: adjust the references to the default branch name "main"
t55[4-9]*: adjust the references to the default branch name "main"
t55[23]*: adjust the references to the default branch name "main"
t551*: adjust the references to the default branch name "main"
t550*: adjust the references to the default branch name "main"
t5503: prepare aligned comment for replacing `master` with `main`
t5[0-4]*: adjust the references to the default branch name "main"
t5323: prepare centered comment for `master` -> `main`
t4*: adjust the references to the default branch name "main"
...
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The configuration variable 'core.abbrev' can be set to 'no' to
force no abbreviation regardless of the hash algorithm.
* ew/decline-core-abbrev:
core.abbrev=no disables abbreviations
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This allows users to write hash-agnostic scripts and configs by
disabling abbreviations. Using "-c core.abbrev=40" will be
insufficient with SHA-256, and "-c core.abbrev=64" won't work with
SHA-1 repos today.
Signed-off-by: Eric Wong <e@80x24.org>
[jc: tweaked implementation, added doc and a test]
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In 56300ff356b (t3200: prepare for `main` being shorter than `master`,
2020-10-23) and in 66713e84e71 (tests: prepare aligned mentions of the
default branch name, 2020-10-23), we started to prepare t3200 for a new
world where `git init` uses the branch name `main` for the initial
branch.
We do not even have to wait for that new world: we can easily ensure
that that branch name is used, independent of the exact name `git init`
will give the initial branch, so let's do that.
This also lets us remove the `PREPARE_FOR_MAIN_BRANCH` prereq from three
test cases in that script.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We introduced the `PREPARE_FOR_MAIN_BRANCH` prereq for the sole purpose
of allowing us to perform the non-trivial adjustments regarding the
`master` -> `main` rename before the automatable ones.
Now that the transition is almost complete, we can stop using it in most
instances. The only two exceptions are t5526 and t9902: at the time of
writing, there are other patches in flight that touch these test
scripts, therefore their transition to `main` is postponed to a later
date.
This patch is the result of this command:
sed -i 's/PREPARE_FOR_MAIN_BRANCH[ ,]//' t/t[0-9]*.sh &&
git checkout HEAD -- t/t5526\* t/t9902\*
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Carefully excluding t3040, which sees independent development elsewhere
at the time of writing, we transition above-mentioned tests to the
default branch name `main`. This trick was performed via
$ (cd t &&
sed -i -e 's/master/main/g' -e 's/MASTER/MAIN/g' \
-e 's/Master/Main/g' -- t3[0-3]*.sh t3206/* &&
git checkout HEAD -- t3040\*)
This allows us to define `GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main`
for those tests.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In addition to the manual adjustment to let the `linux-gcc` CI job run
the test suite with `master` and then with `main`, this patch makes sure
that GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME is set in all test scripts
that currently rely on the initial branch name being `master by default.
To determine which test scripts to mark up, the first step was to
force-set the default branch name to `master` in
- all test scripts that contain the keyword `master`,
- t4211, which expects `t/t4211/history.export` with a hard-coded ref to
initialize the default branch,
- t5560 because it sources `t/t556x_common` which uses `master`,
- t8002 and t8012 because both source `t/annotate-tests.sh` which also
uses `master`)
This trick was performed by this command:
$ sed -i '/^ *\. \.\/\(test-lib\|lib-\(bash\|cvs\|git-svn\)\|gitweb-lib\)\.sh$/i\
GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=master\
export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME\
' $(git grep -l master t/t[0-9]*.sh) \
t/t4211*.sh t/t5560*.sh t/t8002*.sh t/t8012*.sh
After that, careful, manual inspection revealed that some of the test
scripts containing the needle `master` do not actually rely on a
specific default branch name: either they mention `master` only in a
comment, or they initialize that branch specificially, or they do not
actually refer to the current default branch. Therefore, the
aforementioned modification was undone in those test scripts thusly:
$ git checkout HEAD -- \
t/t0027-auto-crlf.sh t/t0060-path-utils.sh \
t/t1011-read-tree-sparse-checkout.sh \
t/t1305-config-include.sh t/t1309-early-config.sh \
t/t1402-check-ref-format.sh t/t1450-fsck.sh \
t/t2024-checkout-dwim.sh \
t/t2106-update-index-assume-unchanged.sh \
t/t3040-subprojects-basic.sh t/t3301-notes.sh \
t/t3308-notes-merge.sh t/t3423-rebase-reword.sh \
t/t3436-rebase-more-options.sh \
t/t4015-diff-whitespace.sh t/t4257-am-interactive.sh \
t/t5323-pack-redundant.sh t/t5401-update-hooks.sh \
t/t5511-refspec.sh t/t5526-fetch-submodules.sh \
t/t5529-push-errors.sh t/t5530-upload-pack-error.sh \
t/t5548-push-porcelain.sh \
t/t5552-skipping-fetch-negotiator.sh \
t/t5572-pull-submodule.sh t/t5608-clone-2gb.sh \
t/t5614-clone-submodules-shallow.sh \
t/t7508-status.sh t/t7606-merge-custom.sh \
t/t9302-fast-import-unpack-limit.sh
We excluded one set of test scripts in these commands, though: the range
of `git p4` tests. The reason? `git p4` stores the (foreign) remote
branch in the branch called `p4/master`, which is obviously not the
default branch. Manual analysis revealed that only five of these tests
actually require a specific default branch name to pass; They were
modified thusly:
$ sed -i '/^ *\. \.\/lib-git-p4\.sh$/i\
GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=master\
export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME\
' t/t980[0167]*.sh t/t9811*.sh
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In some tests, the default branch name is part of aligned output. As we
want to change the default branch name to `main`, which is two
characters shorter than the old default branch name, we will have to
adjust those tests.
Since we use the original default branch name until the entire test
suite has been adjusted accordingly, the touched test cases need to be
guarded by a prereq (that is so far disabled so that they are skipped
for now).
The test cases that depend on those test cases that are newly guarded by
that prereq naturally have to be guarded, too.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In the test case adjusted by this patch, we want to cut just after the
longest shown ref name. Since `main` is shorter than `master`, we need
to decrease the number of characters. Since `topic` is shown, too, and
since that is only one character shorter than `master`, we decrement the
length by one instead of two.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Update the tests to drop word 'master' from them.
* js/default-branch-name-part-2:
t9902: avoid using the branch name `master`
tests: avoid variations of the `master` branch name
t3200: avoid variations of the `master` branch name
fast-export: avoid using unnecessary language in a code comment
t/test-terminal: avoid non-inclusive language
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"git for-each-ref" and friends that list refs used to allow only
one --merged or --no-merged to filter them; they learned to take
combination of both kind of filtering.
* al/ref-filter-merged-and-no-merged:
Doc: prefer more specific file name
ref-filter: make internal reachable-filter API more precise
ref-filter: allow merged and no-merged filters
Doc: cover multiple contains/no-contains filters
t3201: test multiple branch filter combinations
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To avoid branch names with a loaded history, we already started to avoid
using the name "master" in a couple instances.
The `t3200-branch.sh` script uses variations of this name for branches
other than the default one. So let's change those names, as
"lowest-hanging fruits" in the effort to use more inclusive naming
throughout Git's source code. While at it, make those branch names
independent from the default branch name.
In this particular instance, this rename requires a couple of
non-trivial adjustments, as the aligned output depends on the maximum
length of the displayed branches (which we now changed), and also on the
alphabetical order (which we now changed, too).
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Enable ref-filter to process multiple merged and no-merged filters, and
extend functionality to git branch, git tag and git for-each-ref. This
provides an easy way to check for branches that are "graduation
candidates:"
$ git branch --no-merged master --merged next
If passed more than one merged (or more than one no-merged) filter, refs
must be reachable from any one of the merged commits, and reachable from
none of the no-merged commits.
Signed-off-by: Aaron Lipman <alipman88@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The "refuse --edit-description on unborn branch for now" test in t3200
switches to an orphan branch, causing subsequent git commands
referencing HEAD to fail. Avoid this side-effect by switching back to
master after the test finishes.
This has gone undetected, as the next affected test expects failure -
but it currently fails for the wrong reason.
Verbose output of the next test referencing HEAD,
"--merged is incompatible with --no-merged":
fatal: malformed object name HEAD
Which this commit corrects to:
error: option `no-merged' is incompatible with --merged
Signed-off-by: Aaron Lipman <alipman88@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Last minute fix-up to tests for portability.
* dl/branch-cleanup:
t3200: don't grep for `strerror()` string
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In 6b7093064a ("t3200: test for specific errors", 2020-06-15), we
learned to grep stderr to ensure that the failing `git branch`
invocations fail for the right reason. In two of these tests, we grep
for "File exists", expecting the string to show up there since config.c
calls `error_errno()`, which ends up including `strerror(errno)` in the
error message.
But as we saw in 4605a73073 ("t1091: don't grep for `strerror()`
string", 2020-03-08), there exists at least one implementation where
`strerror()` yields a slightly different string than the one we're
grepping for. In particular, these tests fail on the NonStop platform.
Similar to 4605a73073, grep for the beginning of the string instead to
avoid relying on `strerror()` behavior.
Reported-by: Randall S. Becker <rsbecker@nexbridge.com>
Signed-off-by: Martin Ågren <martin.agren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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SHA-256 migration work continues.
* bc/sha-256-part-2: (44 commits)
remote-testgit: adapt for object-format
bundle: detect hash algorithm when reading refs
t5300: pass --object-format to git index-pack
t5704: send object-format capability with SHA-256
t5703: use object-format serve option
t5702: offer an object-format capability in the test
t/helper: initialize the repository for test-sha1-array
remote-curl: avoid truncating refs with ls-remote
t1050: pass algorithm to index-pack when outside repo
builtin/index-pack: add option to specify hash algorithm
remote-curl: detect algorithm for dumb HTTP by size
builtin/ls-remote: initialize repository based on fetch
t5500: make hash independent
serve: advertise object-format capability for protocol v2
connect: parse v2 refs with correct hash algorithm
connect: pass full packet reader when parsing v2 refs
Documentation/technical: document object-format for protocol v2
t1302: expect repo format version 1 for SHA-256
builtin/show-index: provide options to determine hash algo
t5302: modernize test formatting
...
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In the "--set-upstream-to" and "--unset-upstream" tests, specific error
conditions are being tested. However, there is no way of ensuring that a
test case is failing because of some specific error.
Check stderr of failing commands to ensure that they are failing in the
expected way.
Signed-off-by: Denton Liu <liu.denton@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Clean up style of test by changing some filenames from "expected" to
"expect", which follows typical test convention.
Also, change a space-indent into a tab-indent.
Signed-off-by: Denton Liu <liu.denton@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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One of the test assertions in this test checks that git branch -m works
even without a .git/config file. However, if the repository requires
configuration extensions, such as because it uses a non-SHA-1 algorithm,
this assertion will fail. Mark the assertion as requiring SHA-1.
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git branch --list" learned to show branches that are checked out
in other worktrees connected to the same repository prefixed with
'+', similar to the way the currently checked out branch is shown
with '*' in front.
* nb/branch-show-other-worktrees-head:
branch: add worktree info on verbose output
branch: update output to include worktree info
ref-filter: add worktreepath atom
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"git branch new A...B" and "git checkout -b new A...B" have been
taught that in their contexts, the notation A...B means "the merge
base between these two commits", just like "git checkout A...B"
detaches HEAD at that commit.
* dl/branch-from-3dot-merge-base:
branch: make create_branch accept a merge base rev
t2018: cleanup in current test
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The output of git branch is modified to mark branches checked out in a
linked worktree with a "+" and color them in cyan (in contrast to the
current branch, which will still be denoted with a "*" and colored in green)
This is meant to communicate to the user that the branches that are
marked or colored will behave differently from other branches if the user
attempts to check them out or delete them, since branches checked out in
another worktree cannot be checked out or deleted.
Signed-off-by: Nickolai Belakovski <nbelakovski@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When we ran something like
$ git checkout -b test master...
it would fail with the message
fatal: Not a valid object name: 'master...'.
This was caused by the call to `create_branch` where `start_name` is
expected to be a valid rev. However, git-checkout allows the branch to
be a valid _merge base_ rev (i.e. with a "...") so it was possible for
an invalid rev to be passed in.
Make `create_branch` accept a merge base rev so that this case does not
error out.
As a side-effect, teach git-branch how to handle merge base revs as
well.
Helped-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Denton Liu <liu.denton@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When "git branch -D <name>" is run, Git usually first checks if that
branch is currently checked out. But this check is not performed if the
Git directory of that repository is not at "<repo>/.git", which is the
case if that repository is a submodule that has its Git directory stored
as "super/.git/modules/<repo>", for example. This results in the branch
being deleted even though it is checked out.
This is because get_main_worktree() in worktree.c sets is_bare on a
worktree only using the heuristic that a repo is bare if the worktree's
path does not end in "/.git", and not bare otherwise. This is_bare code
was introduced in 92718b7438 ("worktree: add details to the worktree
struct", 2015-10-08), following a pre-core.bare heuristic. This patch
does 2 things:
- Teach get_main_worktree() to use is_bare_repository() instead,
introduced in 7d1864ce67 ("Introduce is_bare_repository() and
core.bare configuration variable", 2007-01-07) and updated in
e90fdc39b6 ("Clean up work-tree handling", 2007-08-01). This solves
the "git branch -D <name>" problem described above. However...
- If a repository has core.bare=1 but the "git" command is being run
from one of its secondary worktrees, is_bare_repository() returns
false (which is fine, since there is a worktree available). However,
treating the main worktree as non-bare when it is bare causes issues:
for example, failure to delete a branch from a secondary worktree
that is referred to by a main worktree's HEAD, even if that main
worktree is bare.
In order to avoid that, also check core.bare when setting is_bare. If
core.bare=1, trust it, and otherwise, use is_bare_repository().
Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Fix various places where the ordering was obviously wrong, meaning it
was easy to find with grep.
Signed-off-by: Matthew DeVore <matvore@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add support for configuring default sort ordering for git branches. Command
line option will override this configured value, using the exact same
syntax.
Signed-off-by: Samuel Maftoul <samuel.maftoul@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In preparation for deprecating "-l", let's make sure we're
using the recommended option ourselves.
This patch just mechanically converts "branch -l" to "branch
--create-reflog". Note that with the exception of the
actual "--create-reflog" test, we could actually remove "-l"
entirely from most of these callers. That's because these
days core.logallrefupdates defaults to true in a non-bare
repository.
I've left them in place, though, since they serve to
document the expectation of the test, even if they are
technically noops.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This test checks that the "-l" option creates a reflog. But
in fact we'd create one even without it, since the default
in a non-bare repository is to do so. Let's unset the config
so we can be sure our "-l" option is kicking in.
Note that we can't do this with test_config, since that
would leave the variable unset after our test finishes,
confusing downstream tests (the helper is not not smart
enough to restore the previous value, and just always runs
test_unconfig).
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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A test title has been reworded to clarify it.
* ks/branch-set-upstream:
t3200: clarify description of --set-upstream test
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Support for the --set-upstream option was removed in 52668846ea
(builtin/branch: stop supporting the "--set-upstream" option,
2017-08-17). The change did not completely remove the command
due to an issue noted in the commit's log message.
So, a test was added to ensure that a command which uses the
'--set-upstream' option fails instead of silently acting as an alias
for the '--set-upstream-to' option due to option parsing features.
To avoid confusion, clarify that the option is disabled intentionally
in the corresponding test description.
The test is expected to be around as long as we intentionally fail
on seeing the '--set-upstream' option which in turn we expect to
do for a period of time after which we can be sure that existing
users of '--set-upstream' are aware that the option is no
longer supported.
Signed-off-by: Kaartic Sivaraam <kaartic.sivaraam@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Quite a many tests assumed that newly created refs are made as
loose refs using the files backend, which have been updated to use
proper plumbing like rev-parse and update-ref, to avoid breakage
once we start using different ref backends.
* cc/tests-without-assuming-ref-files-backend:
t990X: use '.git/objects' as 'deep inside .git' path
t: make many tests depend less on the refs being files
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Many tests are very focused on the file system representation of the
loose and packed refs code. As there are plans to implement other
ref storage systems, let's migrate these tests to a form that test
the intent of the refs storage system instead of it internals.
This will make clear to readers that these tests do not depend on
which ref backend is used.
The internals of the loose refs backend are still tested in
t1400-update-ref.sh, whereas the tests changed in this patch focus
on testing other aspects.
This patch just takes care of many low hanging fruits. It does not
try to completely solves the issue.
Helped-by: Stefan Beller <sbeller@google.com>
Helped-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Signed-off-by: David Turner <dturner@twopensource.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Switch all uses of $_z40 to $ZERO_OID so that they work correctly with
larger hashes. This commit was created by using the following sed
command to modify all files in the t directory except t/test-lib.sh:
sed -i 's/\$_z40/$ZERO_OID/g'
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git branch --list" shows an in-progress rebase as:
* (no branch, rebasing <branch>)
master
...
However, if the rebase is started from a detached HEAD, then there is no
<branch>, and it would attempt to print a NULL pointer. The previous
commit fixed this problem, so add a test to verify that the output is
sane in this situation.
Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Kaartic Sivaraam <kaartic.sivaraam@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Test typofix.
* ks/t3200-typofix:
t/t3200: fix a typo in a test description
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Signed-off-by: Kaartic Sivaraam <kaartic.sivaraam@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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If our call to refs_read_raw_ref() fails, we check errno to
see if the ref is simply missing, or if we encountered a
more serious error. If it's just missing, then in "write"
mode (i.e., when RESOLVE_REFS_READING is not set), this is
perfectly fine.
However, checking for ENOENT isn't sufficient to catch all
missing-ref cases. In the filesystem backend, we may also
see EISDIR when we try to resolve "a" and "a/b" exists.
Likewise, we may see ENOTDIR if we try to resolve "a/b" and
"a" exists. In both of those cases, we know that our
resolved ref doesn't exist, but we return an error (rather
than reporting the refname and returning a null sha1).
This has been broken for a long time, but nobody really
noticed because the next step after resolving without the
READING flag is usually to lock the ref and write it. But in
both of those cases, the write will fail with the same
errno due to the directory/file conflict.
There are two cases where we can notice this, though:
1. If we try to write "a" and there's a leftover directory
already at "a", even though there is no ref "a/b". The
actual write is smart enough to move the empty "a" out
of the way.
This is reasonably rare, if only because the writing
code has to do an independent resolution before trying
its write (because the actual update_ref() code handles
this case fine). The notes-merge code does this, and
before the fix in the prior commit t3308 erroneously
expected this case to fail.
2. When resolving symbolic refs, we typically do not use
the READING flag because we want to resolve even
symrefs that point to unborn refs. Even if those unborn
refs could not actually be written because of d/f
conflicts with existing refs.
You can see this by asking "git symbolic-ref" to report
the target of a symref pointing past a d/f conflict.
We can fix the problem by recognizing the other "missing"
errnos and treating them like ENOENT. This should be safe to
do even for callers who are then going to actually write the
ref, because the actual writing process will fail if the d/f
conflict is a real one (and t1404 checks these cases).
Arguably this should be the responsibility of the
files-backend to normalize all "missing ref" errors into
ENOENT (since something like EISDIR may not be meaningful at
all to a database backend). However other callers of
refs_read_raw_ref() may actually care about the distinction;
putting this into resolve_ref() is the minimal fix for now.
The new tests in t1401 use git-symbolic-ref, which is the
most direct way to check the resolution by itself.
Interestingly we actually had a test that setup this case
already, but we only used it to verify that the funny state
could be overwritten, not that it could be resolved.
We also add a new test in t3200, as "branch -m" was the
original motivation for looking into this. What happens is
this:
0. HEAD is pointing to branch "a"
1. The user asks to rename "a" to "a/b".
2. We create "a/b" and delete "a".
3. We then try to update any worktree HEADs that point to
the renamed ref (including the main repo HEAD). To do
that, we have to resolve each HEAD. But now our HEAD is
pointing at "a", and we get EISDIR due to the loose
"a/b". As a result, we think there is no HEAD, and we
do not update it. It now points to the bogus "a".
Interestingly this case used to work, but only accidentally.
Before 31824d180d (branch: fix branch renaming not updating
HEADs correctly, 2017-08-24), we'd update any HEAD which we
couldn't resolve. That was wrong, but it papered over the
fact that we were incorrectly failing to resolve HEAD.
So while the bug demonstrated by the git-symbolic-ref is
quite old, the regression to "branch -m" is recent.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git branch" learned "-c/-C" to create a new branch by copying an
existing one.
* sd/branch-copy:
branch: fix "copy" to never touch HEAD
branch: add a --copy (-c) option to go with --move (-m)
branch: add test for -m renaming multiple config sections
config: create a function to format section headers
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When creating a new branch B by copying the branch A that happens to
be the current branch, it also updates HEAD to point at the new
branch. It probably was made this way because "git branch -c A B"
piggybacked its implementation on "git branch -m A B",
This does not match the usual expectation. If I were sitting on a
blue chair, and somebody comes and repaints it to red, I would
accept ending up sitting on a chair that is now red (I am also OK to
stand, instead, as there no longer is my favourite blue chair). But
if somebody creates a new red chair, modelling it after the blue
chair I am sitting on, I do not expect to be booted off of the blue
chair and ending up on sitting on the new red one.
Let's fix this before it hits 'next'. Those who want to create a
new branch and switch to it can do "git checkout B" after doing a
"git branch -c B", and if that operation is so useful and deserves a
short-hand way to do so, perhaps extend "git checkout -b B" to copy
configurations while creating the new branch B.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git branch -M a b" while on a branch that is completely unrelated
to either branch a or branch b misbehaved when multiple worktree
was in use. This has been fixed.
* nd/worktree-kill-parse-ref:
branch: fix branch renaming not updating HEADs correctly
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There are two bugs that sort of work together and cause
problems. Let's start with one in replace_each_worktree_head_symref.
Before fa099d2322 (worktree.c: kill parse_ref() in favor of
refs_resolve_ref_unsafe() - 2017-04-24), this code looks like this:
if (strcmp(oldref, worktrees[i]->head_ref))
continue;
set_worktree_head_symref(...);
After fa099d2322, it is possible that head_ref can be NULL. However,
the updated code takes the wrong exit. In the error case (NULL
head_ref), we should "continue;" to the next worktree. The updated
code makes us _skip_ "continue;" and update HEAD anyway.
The NULL head_ref is triggered by the second bug in add_head_info (in
the same commit). With the flag RESOLVE_REF_READING, resolve_ref_unsafe()
will abort if it cannot resolve the target ref. For orphan checkouts,
HEAD always points to an unborned branch, resolving target ref will
always fail. Now we have NULL head_ref. Now we always update HEAD.
Correct the logic in replace_ function so that we don't accidentally
update HEAD on error. As it turns out, correcting the logic bug above
breaks branch renaming completely, thanks to the second bug.
"git branch -[Mm]" does two steps (on a normal checkout, no orphan!):
- rename the branch on disk (e.g. refs/heads/abc to refs/heads/def)
- update HEAD if it points to the branch being renamed.
At the second step, since the branch pointed to by HEAD (e.g. "abc") no
longer exists on disk, we run into a temporary orphan checkout situation
that has been just corrected to _not_ update HEAD. But we need to update
HEAD since it's not actually an orphan checkout. We need to update HEAD
to move out of that orphan state.
Correct add_head_info(), remove RESOLVE_REF_READING flag. With the flag
gone, we should always return good "head_ref" in orphan checkouts (either
temporary or permanent). With good head_ref, things start to work again.
Noticed-by: Nish Aravamudan <nish.aravamudan@canonical.com>
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The '--set-upstream' option of branch was deprecated in b347d06b
("branch: deprecate --set-upstream and show help if we detect
possible mistaken use", 2012-08-30) and has been planned for removal
ever since.
In order to prevent "--set-upstream" on a command line from being taken as
an abbreviated form of "--set-upstream-to", explicitly catch "--set-upstream"
option and die, instead of just removing it from the list of options.
Before this change, an attempt to use "--set-upstream" resulted in:
$ git branch
* master
$ git branch --set-upstream origin/master
The --set-upstream flag is deprecated and will be removed. Consider using --track or --set-upstream-to
Branch origin/master set up to track local branch master.
$ echo $?
0
$ git branch
* master
origin/master
With this change, the behaviour becomes like this:
$ git branch
* master
$ git branch --set-upstream origin/master
fatal: the '--set-upstream' option is no longer supported. Please use '--track' or '--set-upstream-to' instead.
$ echo $?
128
$ git branch
* master
Signed-off-by: Kaartic Sivaraam <kaarticsivaraam91196@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Anders Kaseorg
Junio C Hamano
Han-Wen Nienhuys
René Scharfe
Ævar Arnfjörð Bjarmason
Eric Wong
Johannes Schindelin
Aaron Lipman
Martin Ågren
Denton Liu
brian m. carlson
Nickolai Belakovski
Jonathan Tan
Matthew DeVore
Samuel Maftoul
Jeff King
Kaartic Sivaraam
David Turner
Eric Sunshine
Nguyễn Thái Ngọc Duy
Kaartic Sivaraam