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Certain sparse-checkout patterns that are valid in non-cone mode
led to segfault in cone mode, which has been corrected.
* ds/sparse-checkout-malformed-pattern-fix:
sparse-checkout: refuse to add to bad patterns
sparse-checkout: fix OOM error with mixed patterns
sparse-checkout: fix segfault on malformed patterns
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Plug a memory leak.
* rs/daemon-plug-leak:
daemon: plug memory leak on overlong path
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"git grep --perl-regexp" failed to match UTF-8 characters with
wildcard when the pattern consists only of ASCII letters, which has
been corrected.
* rs/pcre2-utf:
grep/pcre2: factor out literal variable
grep/pcre2: use PCRE2_UTF even with ASCII patterns
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Test fixes.
* jc/t4204-do-not-write-git-on-upstream-of-pipe:
t4204 is not sanitizer clean at all
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"git log --invert-grep --author=<name>" used to exclude commits
written by the given author, but now "--invert-grep" only affects
the matches made by the "--grep=<pattern>" option.
* rs/log-invert-grep-with-headers:
log: let --invert-grep only invert --grep
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Doc markup fix.
* gh/gpg-doc-markup-fix:
docs: add missing colon to Documentation/config/gpg.txt
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Test fix.
* rs/t4202-invert-grep-test-fix:
t4202: fix patternType setting in --invert-grep test
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Two fixes around "git repack".
* ds/repack-fixlets:
repack: make '--quiet' disable progress
repack: respect kept objects with '--write-midx -b'
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The default merge message prepared by "git merge" records the name
of the current branch; the name can be overridden with a new option
to allow users to pretend a merge is made on a different branch.
* jc/merge-detached-head-name:
merge: allow to pretend a merge is made into a different branch
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Among some code paths that ask an yes/no question, only one place
gave a prompt that looked different from the others, which has been
updated to match what the others create.
* km/help-prompt-fix:
help: make auto-correction prompt more consistent
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"git upload-pack" (the other side of "git fetch") used a 8kB buffer
but most of its payload came on 64kB "packets". The buffer size
has been enlarged so that such a packet fits.
* jv/use-larger-buffer-in-upload-pack:
upload-pack.c: increase output buffer size
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Docfix.
* jk/ssh-signing-doc-markup-fix:
doc/config: mark ssh allowedSigners example as literal
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Correctness and performance update to "diff --color-moved" feature.
* pw/diff-color-moved-fix:
diff --color-moved: intern strings
diff: use designated initializers for emitted_diff_symbol
diff --color-moved-ws=allow-indentation-change: improve hash lookups
diff --color-moved: stop clearing potential moved blocks
diff --color-moved: shrink potential moved blocks as we go
diff --color-moved: unify moved block growth functions
diff --color-moved: call comparison function directly
diff --color-moved-ws=allow-indentation-change: simplify and optimize
diff: simplify allow-indentation-change delta calculation
diff --color-moved: avoid false short line matches and bad zebra coloring
diff --color-moved=zebra: fix alternate coloring
diff --color-moved: rewind when discarding pmb
diff --color-moved: factor out function
diff --color-moved: clear all flags on blocks that are too short
diff --color-moved: add perf tests
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"git am" learns "--empty=(stop|drop|keep)" option to tweak what is
done to a piece of e-mail without a patch in it.
* xw/am-empty:
am: support --allow-empty to record specific empty patches
am: support --empty=<option> to handle empty patches
doc: git-format-patch: describe the option --always
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Many git commands that deal with working tree files try to remove a
directory that becomes empty (i.e. "git switch" from a branch that
has the directory to another branch that does not would attempt
remove all files in the directory and the directory itself). This
drops users into an unfamiliar situation if the command was run in
a subdirectory that becomes subject to removal due to the command.
The commands have been taught to keep an empty directory if it is
the directory they were started in to avoid surprising users.
* en/keep-cwd:
t2501: simplify the tests since we can now assume desired behavior
dir: new flag to remove_dir_recurse() to spare the original_cwd
dir: avoid incidentally removing the original_cwd in remove_path()
stash: do not attempt to remove startup_info->original_cwd
rebase: do not attempt to remove startup_info->original_cwd
clean: do not attempt to remove startup_info->original_cwd
symlinks: do not include startup_info->original_cwd in dir removal
unpack-trees: add special cwd handling
unpack-trees: refuse to remove startup_info->original_cwd
setup: introduce startup_info->original_cwd
t2501: add various tests for removing the current working directory
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The conditions to choose different definitions of the FLEX_ARRAY
macro for vendor compilers has been simplified to make it easier to
maintain.
* jc/flex-array-definition:
flex-array: simplify compiler-specific workaround
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The RCS keyword substitution in "git p4" used to be done assuming
that the contents are UTF-8 text, which can trigger decoding
errors. We now treat the contents as a bytestring for robustness
and correctness.
* jh/p4-rcs-expansion-in-bytestring:
git-p4: resolve RCS keywords in bytes not utf-8
git-p4: open temporary patch file for write only
git-p4: add raw option to read_pipelines
git-p4: pre-compile RCS keyword regexes
git-p4: use with statements to close files after use in patchRCSKeywords
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The "init" and "set" subcommands in "git sparse-checkout" have been
unified for a better user experience and performance.
* en/sparse-checkout-set:
sparse-checkout: remove stray trailing space
clone: avoid using deprecated `sparse-checkout init`
Documentation: clarify/correct a few sparsity related statements
git-sparse-checkout.txt: update to document init/set/reapply changes
sparse-checkout: enable reapply to take --[no-]{cone,sparse-index}
sparse-checkout: enable `set` to initialize sparse-checkout mode
sparse-checkout: split out code for tweaking settings config
sparse-checkout: disallow --no-stdin as an argument to set
sparse-checkout: add sanity-checks on initial sparsity state
sparse-checkout: break apart functions for sparse_checkout_(set|add)
sparse-checkout: pass use_stdin as a parameter instead of as a global
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Broken &&-chains in the test scripts have been corrected.
* es/test-chain-lint:
t6000-t9999: detect and signal failure within loop
t5000-t5999: detect and signal failure within loop
t4000-t4999: detect and signal failure within loop
t0000-t3999: detect and signal failure within loop
tests: simplify by dropping unnecessary `for` loops
tests: apply modern idiom for exiting loop upon failure
tests: apply modern idiom for signaling test failure
tests: fix broken &&-chains in `{...}` groups
tests: fix broken &&-chains in `$(...)` command substitutions
tests: fix broken &&-chains in compound statements
tests: use test_write_lines() to generate line-oriented output
tests: simplify construction of large blocks of text
t9107: use shell parameter expansion to avoid breaking &&-chain
t6300: make `%(raw:size) --shell` test more robust
t5516: drop unnecessary subshell and command invocation
t4202: clarify intent by creating expected content less cleverly
t1020: avoid aborting entire test script when one test fails
t1010: fix unnoticed failure on Windows
t/lib-pager: use sane_unset() to avoid breaking &&-chain
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New interface into the tmp-objdir API to help in-core use of the
quarantine feature.
* ns/tmp-objdir:
tmp-objdir: disable ref updates when replacing the primary odb
tmp-objdir: new API for creating temporary writable databases
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"git format-patch" uses a single rev_info instance and then exits.
Mark the structure with UNLEAK() macro to squelch leak sanitizer.
* jc/unleak-log:
format-patch: mark rev_info with UNLEAK
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When in cone mode sparse-checkout, it is unclear how 'git
sparse-checkout add <dir1> ...' should behave if the existing
sparse-checkout file does not match the cone mode patterns. Change the
behavior to fail with an error message about the existing patterns.
Also, all cone mode patterns start with a '/' character, so add that
restriction. This is necessary for our example test 'cone mode: warn on
bad pattern', but also requires modifying the example sparse-checkout
file we use to test the warnings related to recognizing cone mode
patterns.
This error checking would cause a failure further down the test script
because of a test that adds non-cone mode patterns without cleaning them
up. Perform that cleanup as part of the test now.
Reviewed-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add a test to t1091-sparse-checkout-builtin.sh that would result in an
infinite loop and out-of-memory error before this change. The issue
relies on having non-cone-mode patterns while trying to modify the
patterns in cone-mode.
The fix is simple, allowing us to break from the loop when the input
path does not contain a slash, as the "dir" pattern we added does not.
This is only a fix to the critical out-of-memory error. A better
response to such a strange state will follow in a later change.
Reported-by: Calbabreaker <calbabreaker@gmail.com>
Helped-by: Taylor Blau <me@ttaylorr.com>
Reviewed-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Then core.sparseCheckoutCone is enabled, the sparse-checkout patterns are
used to populate two hashsets that accelerate pattern matching. If the user
modifies the sparse-checkout file outside of the 'sparse-checkout' builtin,
then strange patterns can happen, triggering some error checks.
One of these error checks is possible to hit when some special characters
exist in a line. A warning message is correctly written to stderr, but then
there is additional logic that attempts to remove the line from the hashset
and free the data. This leads to a segfault in the 'git sparse-checkout
list' command because it iterates over the contents of the hashset, which is
now invalid.
The fix here is to stop trying to remove from the hashset. In addition,
we disable cone mode sparse-checkout because of the malformed data. This
results in the pattern-matching working with a possibly-slower
algorithm, but using the patterns as they are in the sparse-checkout
file.
This also changes the behavior of commands such as 'git sparse-checkout
list' because the output patterns will be the contents of the
sparse-checkout file instead of the list of directories. This is an
existing behavior for other types of bad patterns.
Add a test that triggers the segfault without the code change.
Reported-by: John Burnett <johnburnett@johnburnett.com>
Reviewed-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Reported-by: Jiang Xin <worldhello.net@gmail.com>
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The chainlint test script linter in the test suite has been updated.
* es/chainlint:
chainlint.sed: stop splitting "(..." into separate lines "(" and "..."
chainlint.sed: swallow comments consistently
chainlint.sed: stop throwing away here-doc tags
chainlint.sed: don't mistake `<< word` in string as here-doc operator
chainlint.sed: make here-doc "<<-" operator recognition more POSIX-like
chainlint.sed: drop subshell-closing ">" annotation
chainlint.sed: drop unnecessary distinction between ?!AMP?! and ?!SEMI?!
chainlint.sed: tolerate harmless ";" at end of last line in block
chainlint.sed: improve ?!SEMI?! placement accuracy
chainlint.sed: improve ?!AMP?! placement accuracy
t/Makefile: optimize chainlint self-test
t/chainlint/one-liner: avoid overly intimate chainlint.sed knowledge
t/chainlint/*.test: generalize self-test commentary
t/chainlint/*.test: fix invalid test cases due to mixing quote types
t/chainlint/*.test: don't use invalid shell syntax
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"git apply" has been taught to ignore a message without a patch
with the "--allow-empty" option. It also learned to honor the
"--quiet" option given from the command line.
* jz/apply-quiet-and-allow-empty:
git-apply: add --allow-empty flag
git-apply: add --quiet flag
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Enable -std=gnu99 option in DEVELOPER builds.
* jk/limit-developers-to-gnu99:
config.mak.dev: specify -std=gnu99 for gcc/clang
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Code clean-up.
* ab/common-main-cleanup:
common-main.c: call exit(), don't return
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"git fetch --set-upstream" did not check if there is a current
branch, leading to a segfault when it is run on a detached HEAD,
which has been corrected.
* ab/fetch-set-upstream-while-detached:
pull, fetch: fix segfault in --set-upstream option
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add pieces from "scalar" to contrib/.
* js/scalar:
scalar: implement the `version` command
scalar: implement the `delete` command
scalar: teach 'reconfigure' to optionally handle all registered enlistments
scalar: allow reconfiguring an existing enlistment
scalar: implement the `run` command
scalar: teach 'clone' to support the --single-branch option
scalar: implement the `clone` subcommand
scalar: implement 'scalar list'
scalar: let 'unregister' handle a deleted enlistment directory gracefully
scalar: 'unregister' stops background maintenance
scalar: 'register' sets recommended config and starts maintenance
scalar: create test infrastructure
scalar: start documenting the command
scalar: create a rudimentary executable
scalar: add a README with a roadmap
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Teach diff and blame to work well with sparse index.
* ld/sparse-diff-blame:
blame: enable and test the sparse index
diff: enable and test the sparse index
diff: replace --staged with --cached in t1092 tests
repo-settings: prepare_repo_settings only in git repos
test-read-cache: set up repo after git directory
commit-graph: return if there is no git directory
git: ensure correct git directory setup with -h
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"git name-rev" has been tweaked to give output that is shorter and
easier to understand.
* en/name-rev-shorter-output:
name-rev: prefer shorter names over following merges
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"git fetch" without the "--update-head-ok" option ought to protect
a checked out branch from getting updated, to prevent the working
tree that checks it out to go out of sync. The code was written
before the use of "git worktree" got widespread, and only checked
the branch that was checked out in the current worktree, which has
been updated.
(originally called ak/fetch-not-overwrite-any-current-branch)
* ak/protect-any-current-branch:
branch: protect branches checked out in all worktrees
receive-pack: protect current branch for bare repository worktree
receive-pack: clean dead code from update_worktree()
fetch: protect branches checked out in all worktrees
worktree: simplify find_shared_symref() memory ownership model
branch: lowercase error messages
receive-pack: lowercase error messages
fetch: lowercase error messages
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The cryptographic signing using ssh keys can specify literal keys
for keytypes whose name do not begin with the "ssh-" prefix by
using the "key::" prefix mechanism (e.g. "key::ecdsa-sha2-nistp256").
* fs/ssh-signing-other-keytypes:
ssh signing: make sign/amend test more resilient
ssh signing: support non ssh-* keytypes
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Extend the signing of objects with SSH keys and learn to pay
attention to the key validity time range when verifying.
* fs/ssh-signing-key-lifetime:
ssh signing: verify ssh-keygen in test prereq
ssh signing: make fmt-merge-msg consider key lifetime
ssh signing: make verify-tag consider key lifetime
ssh signing: make git log verify key lifetime
ssh signing: make verify-commit consider key lifetime
ssh signing: add key lifetime test prereqs
ssh signing: use sigc struct to pass payload
t/fmt-merge-msg: make gpgssh tests more specific
t/fmt-merge-msg: do not redirect stderr
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Doc update.
* jc/grep-patterntype-default-doc:
grep: clarify what `grep.patternType=default` means
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When "git log" implicitly enabled the "decoration" processing
without being explicitly asked with "--decorate" option, it failed
to read and honor the settings given by the "--decorate-refs"
option.
* jk/log-decorate-opts-with-implicit-decorate:
log: load decorations with --simplify-by-decoration
log: handle --decorate-refs with userformat "%d"
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"git rebase -x" by mistake started exporting the GIT_DIR and
GIT_WORK_TREE environment variables when the command was rewritten
in C, which has been corrected.
* en/rebase-x-wo-git-dir-env:
sequencer: do not export GIT_DIR and GIT_WORK_TREE for 'exec'
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Weather balloon to find compilers that do not grok variable
declaration in the for() loop.
* jc/c99-var-decl-in-for-loop:
revision: use C99 declaration of variable in for() loop
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"diff --histogram" optimization.
* pw/xdiff-classify-record-in-histogram:
xdiff: drop unused flags parameter from recs_match
xdiff: drop xpparam_t parameter from histogram cmp_recs()
xdiff: drop CMP_ENV macro from xhistogram
xdiff: simplify comparison
xdiff: avoid unnecessary memory allocations
diff histogram: intern strings
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When a series of patches for a topic-B depends on having topic-A,
the workflow to prepare the topic-B branch would look like this:
$ git checkout -b topic-B main
$ git merge --no-ff --no-edit topic-A
$ git am <mbox-for-topic-B
When topic-A gets updated, recreating the first merge and rebasing
the rest of the topic-B, all on detached HEAD, is a useful
technique. After updating topic-A with its new round of patches:
$ git checkout topic-B
$ prev=$(git rev-parse 'HEAD^{/^Merge branch .topic-A. into}')
$ git checkout --detach $prev^1
$ git merge --no-ff --no-edit topic-A
$ git rebase --onto HEAD $prev @{-1}^0
$ git checkout -B @{-1}
This will
(0) check out the current topic-B.
(1) find the previous merge of topic-A into topic-B.
(2) detach the HEAD to the parent of the previous merge.
(3) merge the updated topic-A to it.
(4) reapply the patches to rebuild the rest of topic-B.
(5) update topic-B with the result.
without contaminating the reflog of topic-B too much. topic-B@{1}
is the "logically previous" state before topic-A got updated, for
example. At (4), comparison (e.g. range-diff) between HEAD and
@{-1} is a meaningful way to sanity check the result, and the same
can be done at (5) by comparing topic-B and topic-B@{1}.
But there is one glitch. The merge into the detached HEAD done in
the step (3) above gives us "Merge branch 'topic-A' into HEAD", and
does not say "into topic-B".
Teach the "--into-name=<branch>" option to "git merge" and its
underlying "git fmt-merge-message", to pretend as if we were merging
into <branch>, no matter what branch we are actually merging into,
when they prepare the merge message. The pretend name honors the
usual "into <target>" suppression mechanism, which can be seen in
the tests added here.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Patterns that contain no wildcards and don't have to be case-folded are
literal. Give this condition a name to increase the readability of the
boolean expression for enabling the option PCRE2_UTF.
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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compile_pcre2_pattern() currently uses the option PCRE2_UTF only for
patterns with non-ASCII characters. Patterns with ASCII wildcards can
match non-ASCII strings, though. Without that option PCRE2 mishandles
UTF-8 input, though -- it matches parts of multi-byte characters. Fix
that by using PCRE2_UTF even for ASCII-only patterns.
This is a remake of the reverted ae39ba431a (grep/pcre2: fix an edge
case concerning ascii patterns and UTF-8 data, 2021-10-15). The change
to the condition and the test are simplified and more targeted.
Original-patch-by: Hamza Mahfooz <someguy@effective-light.com>
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Release the strbuf containing the interpolated path after copying it to
a stack buffer and before erroring out if it's too long.
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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While testing some ideas in 'git repack', I ran it with '--quiet' and
discovered that some progress output was still shown. Specifically, the
output for writing the multi-pack-index showed the progress.
The 'show_progress' variable in cmd_repack() is initialized with
isatty(2) and is not modified at all by the '--quiet' flag. The
'--quiet' flag modifies the po_args.quiet option which is translated
into a '--quiet' flag for the 'git pack-objects' child process. However,
'show_progress' is used to directly send progress information to the
multi-pack-index writing logic which does not use a child process.
The fix here is to modify 'show_progress' to be false if po_opts.quiet
is true, and isatty(2) otherwise. This new expectation simplifies a
later condition that checks both.
Update the documentation to make it clear that '-q' will disable all
progress in addition to ensuring the 'git pack-objects' child process
will receive the flag.
Use 'test_terminal' to check that this works to get around the isatty(2)
check.
Helped-by: Jeff King <peff@peff.net>
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Junio C Hamano
Derrick Stolee
Elijah Newren
René Scharfe