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2022-01-10Merge branch 'hn/ref-api-tests-update'Libravatar Junio C Hamano3-11/+24
Test updates. * hn/ref-api-tests-update: t7004: use "test-tool ref-store" for reflog inspection t7004: create separate tags for different tests t5550: require REFFILES t5540: require REFFILES
2022-01-10Merge branch 'ja/perf-use-specified-shell'Libravatar Junio C Hamano1-1/+1
Perf tests were run with end-user's shell, but it has been corrected to use the shell specified by $TEST_SHELL_PATH. * ja/perf-use-specified-shell: t/perf: do not run tests in user's $SHELL
2022-01-10Merge branch 'hn/test-ref-store-show-hash-algo'Libravatar Junio C Hamano1-4/+5
Debugging support for refs API. * hn/test-ref-store-show-hash-algo: test-ref-store: print hash algorithm
2022-01-10Merge branch 'ws/fast-export-with-revision-options'Libravatar Junio C Hamano1-0/+32
Use of certain "git rev-list" options with "git fast-export" created nonsense results (the worst two of which being "--reverse" and "--invert-grep --grep=<foo>"). The use of "--first-parent" is made to behave a bit more sensible than before. * ws/fast-export-with-revision-options: fast-export: fix surprising behavior with --first-parent
2022-01-10Merge branch 'ds/sparse-checkout-malformed-pattern-fix'Libravatar Junio C Hamano1-1/+36
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
2022-01-05Merge branch 'rs/pcre2-utf'Libravatar Junio C Hamano1-0/+6
"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
2022-01-05Merge branch 'jc/t4204-do-not-write-git-on-upstream-of-pipe'Libravatar Junio C Hamano1-12/+17
Test fixes. * jc/t4204-do-not-write-git-on-upstream-of-pipe: t4204 is not sanitizer clean at all
2022-01-05Merge branch 'rs/log-invert-grep-with-headers'Libravatar Junio C Hamano1-0/+19
"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
2022-01-05Merge branch 'rs/t4202-invert-grep-test-fix'Libravatar Junio C Hamano1-1/+1
Test fix. * rs/t4202-invert-grep-test-fix: t4202: fix patternType setting in --invert-grep test
2022-01-05Merge branch 'ds/repack-fixlets'Libravatar Junio C Hamano2-0/+47
Two fixes around "git repack". * ds/repack-fixlets: repack: make '--quiet' disable progress repack: respect kept objects with '--write-midx -b'
2022-01-05Merge branch 'jc/merge-detached-head-name'Libravatar Junio C Hamano1-1/+41
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
2022-01-05Merge branch 'pw/diff-color-moved-fix'Libravatar Junio C Hamano2-11/+251
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
2022-01-05Merge branch 'xw/am-empty'Libravatar Junio C Hamano2-0/+108
"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
2022-01-05Merge branch 'en/keep-cwd'Libravatar Junio C Hamano1-0/+277
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
2022-01-05Merge branch 'jh/p4-rcs-expansion-in-bytestring'Libravatar Junio C Hamano1-0/+15
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
2022-01-03Merge branch 'en/sparse-checkout-set'Libravatar Junio C Hamano1-1/+9
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
2022-01-03Merge branch 'es/test-chain-lint'Libravatar Junio C Hamano161-845/+738
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
2021-12-30sparse-checkout: refuse to add to bad patternsLibravatar Derrick Stolee1-2/+5
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>
2021-12-30sparse-checkout: fix OOM error with mixed patternsLibravatar Derrick Stolee1-0/+11
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>
2021-12-30sparse-checkout: fix segfault on malformed patternsLibravatar Derrick Stolee1-0/+21
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>
2021-12-25t/perf: do not run tests in user's $SHELLLibravatar Johannes Altmanninger1-1/+1
The environment variable $SHELL is usually set to the user's interactive shell. Our build and test scripts never use $SHELL because there are no guarantees about its input language. Instead, we use /bin/sh which should be a POSIX shell. For systems with a broken /bin/sh, we allow to override that path via SHELL_PATH. To run tests in yet another shell we allow to override SHELL_PATH with TEST_SHELL_PATH. Perf tests run in $SHELL via a wrapper defined in t/perf/perf-lib.sh, so they break with e.g. SHELL=python. Use TEST_SHELL_PATH like in other tests. TEST_SHELL_PATH is always defined because t/perf/perf-lib.sh includes t/test-lib.sh, which includes GIT-BUILD-OPTIONS. Acked-by: Jeff King <peff@peff.net> Signed-off-by: Johannes Altmanninger <aclopte@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-12-22Merge branch 'es/chainlint'Libravatar Junio C Hamano71-293/+339
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
2021-12-22Merge branch 'jz/apply-quiet-and-allow-empty'Libravatar Junio C Hamano1-4/+18
"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
2021-12-22Merge branch 'ab/common-main-cleanup'Libravatar Junio C Hamano1-2/+3
Code clean-up. * ab/common-main-cleanup: common-main.c: call exit(), don't return
2021-12-22Merge branch 'ab/fetch-set-upstream-while-detached'Libravatar Junio C Hamano1-0/+22
"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
2021-12-22t7004: use "test-tool ref-store" for reflog inspectionLibravatar Han-Wen Nienhuys1-2/+2
This makes the test work with reftable. Signed-off-by: Han-Wen Nienhuys <hanwen@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-12-22t7004: create separate tags for different testsLibravatar Han-Wen Nienhuys1-11/+11
Reftable intentionally keeps reflog data for deleted refs. This breaks tests that delete and recreate "refs/tags/tag_with_reflog" as traces of the deletion are left in reflog. To resolve this, use a differently named ref for each test case. Signed-off-by: Han-Wen Nienhuys <hanwen@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-12-22t5550: require REFFILESLibravatar Han-Wen Nienhuys1-0/+7
The dumb HTTP protocol exposes ref storage details as part of the protocol, so it only works with the FILES refstorage backend Signed-off-by: Han-Wen Nienhuys <hanwen@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-12-22t5540: require REFFILESLibravatar Han-Wen Nienhuys1-0/+6
The dumb HTTP protocol exposes ref storage details as part of the protocol, so it only works with the FILES refstorage backend Signed-off-by: Han-Wen Nienhuys <hanwen@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-12-21test-ref-store: print hash algorithmLibravatar Han-Wen Nienhuys1-4/+5
This provides a better error message in case SHA256 was inadvertently switched on through the environment. Signed-off-by: Han-Wen Nienhuys <hanwen@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-12-21Merge branch 'ld/sparse-diff-blame'Libravatar Junio C Hamano2-18/+95
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
2021-12-21Merge branch 'ak/protect-any-current-branch'Libravatar Junio C Hamano4-4/+43
"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
2021-12-21Merge branch 'fs/ssh-signing-other-keytypes'Libravatar Junio C Hamano3-3/+28
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
2021-12-21Merge branch 'fs/ssh-signing-key-lifetime'Libravatar Junio C Hamano5-13/+244
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
2021-12-21Merge branch 'jk/log-decorate-opts-with-implicit-decorate'Libravatar Junio C Hamano1-0/+37
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"
2021-12-21Merge branch 'en/rebase-x-wo-git-dir-env'Libravatar Junio C Hamano1-0/+23
"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'
2021-12-21fast-export: fix surprising behavior with --first-parentLibravatar William Sprent1-0/+32
The revision traversal machinery typically processes and returns all children before any parent. fast-export needs to operate in the reverse fashion, handling parents before any of their children in order to build up the history starting from the root commit(s). This would be a clear case where we could just use the revision traversal machinery's "reverse" option to achieve this desired affect. However, this wasn't what the code did. It added its own array for queuing. The obvious hand-rolled solution would be to just push all the commits into the array and then traverse afterwards, but it didn't quite do that either. It instead attempted to process anything it could as soon as it could, and once it could, check whether it could process anything that had been queued. As far as I can tell, this was an effort to save a little memory in the case of multiple root commits since it could process some commits before queueing all of them. This involved some helper functions named has_unshown_parent() and handle_tail(). For typical invocations of fast-export, this alternative essentially amounted to a hand-rolled method of reversing the commits -- it was a bunch of work to duplicate the revision traversal machinery's "reverse" option. This hand-rolled reversing mechanism is actually somewhat difficult to reason about. It takes some time to figure out how it ensures in normal cases that it will actually process all traversed commits (rather than just dropping some and not printing anything for them). And it turns out there are some cases where the code does drop commits without handling them, and not even printing an error or warning for the user. Due to the has_unshown_parent() checks, some commits could be left in the array at the end of the "while...get_revision()" loop which would be unprocessed. This could be triggered for example with git fast-export main -- --first-parent or non-sensical traversal rules such as git fast-export main -- --grep=Merge --invert-grep While most traversals that don't include all parents should likely trigger errors in fast-export (or at least require being used in combination with --reference-excluded-parents), the --first-parent traversal is at least reasonable and it'd be nice if it didn't just drop commits. It'd also be nice for future readers of the code to have a simpler "reverse traversal" mechanism. Use the "reverse" option of the revision traversal machinery to achieve both. Even for the non-sensical traversal flags like the --grep one above, this would be an improvement. For example, in that case, the code previously would have silently truncated history to only those commits that do not have an ancestor containing "Merge" in their commit message. After this code change, that case would include all commits without "Merge" in their commit message -- but any commit that previously had a "Merge"-mentioning parent would lose that parent (likely resulting in many new root commits). While the new behavior is still odd, it is at least understandable given that --reference-excluded-parents is not the default. Helped-by: Elijah Newren <newren@gmail.com> Signed-off-by: William Sprent <williams@unity3d.com> Reviewed-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-12-20merge: allow to pretend a merge is made into a different branchLibravatar Junio C Hamano1-1/+41
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>
2021-12-20grep/pcre2: use PCRE2_UTF even with ASCII patternsLibravatar René Scharfe1-0/+6
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>
2021-12-20repack: make '--quiet' disable progressLibravatar Derrick Stolee1-0/+7
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>
2021-12-20repack: respect kept objects with '--write-midx -b'Libravatar Derrick Stolee2-0/+40
Historically, we needed a single packfile in order to have reachability bitmaps. This introduced logic that when 'git repack' had a '-b' option that we should stop sending the '--honor-pack-keep' option to the 'git pack-objects' child process, ensuring that we create a packfile containing all reachable objects. In the world of multi-pack-index bitmaps, we no longer need to repack all objects into a single pack to have valid bitmaps. Thus, we should continue sending the '--honor-pack-keep' flag to 'git pack-objects'. The fix is very simple: only disable the flag when writing bitmaps but also _not_ writing the multi-pack-index. This opens the door to new repacking strategies that might want to keep some historical set of objects in a stable pack-file while only repacking more recent objects. To test, create a new 'test_subcommand_inexact' helper that is more flexible than 'test_subcommand'. This allows us to look for the --honor-pack-keep flag without over-indexing on the exact set of arguments. Signed-off-by: Derrick Stolee <dstolee@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-12-17t4202: fix patternType setting in --invert-grep testLibravatar René Scharfe1-1/+1
Actually use extended regexes as indicated in the comment. Signed-off-by: René Scharfe <l.s.r@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-12-17log: let --invert-grep only invert --grepLibravatar René Scharfe1-0/+19
The option --invert-grep is documented to filter out commits whose messages match the --grep filters. However, it also affects the header matches (--author, --committer), which is not intended. Move the handling of that option to grep.c, as only the code there can distinguish between matches in the header from those in the message body. If --invert-grep is given then enable extended expressions (not the regex type, we just need git grep's --not to work), negate the body patterns and check if any of them match by piggy-backing on the collect_hits mechanism of grep_source_1(). Collecting the matches in struct grep_opt is a bit iffy, but with "last_shown" we have a precedent for writing state information to that struct. Reported-by: Dotan Cohen <dotancohen@gmail.com> Signed-off-by: René Scharfe <l.s.r@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-12-16t4204 is not sanitizer clean at allLibravatar Junio C Hamano1-12/+17
Earlier we marked that this patch-id test is leak-sanitizer clean, but if we read the test script carefully, it is merely because we have too many invocations of commands in the "git log" family on the upstream side of the pipe, hiding breakages from them. Split the pipeline so that breakages from these commands can be caught (not limited to aborts due to leak-sanitizer) and unmark the script as not passing the test with leak-sanitizer in effect. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-12-16git-p4: resolve RCS keywords in bytes not utf-8Libravatar Joel Holdsworth1-0/+15
RCS keywords are strings that are replaced with information from Perforce. Examples include $Date$, $Author$, $File$, $Change$ etc. Perforce resolves these by expanding them with their expanded values when files are synced, but Git's data model requires these expanded values to be converted back into their unexpanded form. Previously, git-p4.py would implement this behaviour through the use of regular expressions. However, the regular expression substitution was applied using decoded strings i.e. the content of incoming commit diffs was first decoded from bytes into UTF-8, processed with regular expressions, then converted back to bytes. Not only is this behaviour inefficient, but it is also a cause of a common issue caused by text files containing invalid UTF-8 data. For files created in Windows, CP1252 Smart Quote Characters (0x93 and 0x94) are seen fairly frequently. These codes are invalid in UTF-8, so if the script encountered any file containing them, on Python 2 the symbols will be corrupted, and on Python 3 the script will fail with an exception. This patch replaces this decoding/encoding with bytes object regular expressions, so that the substitution is performed directly upon the source data with no conversions. A test for smart quote handling has been added to the t9810-git-p4-rcs.sh test suite. Signed-off-by: Joel Holdsworth <jholdsworth@nvidia.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-12-15am: support --allow-empty to record specific empty patchesLibravatar 徐沛文 (Aleen)2-0/+58
This option helps to record specific empty patches in the middle of an am session, which does create empty commits only when: 1. the index has not changed 2. lacking a branch When the index has changed, "--allow-empty" will create a non-empty commit like passing "--continue" or "--resolved". Signed-off-by: 徐沛文 (Aleen) <aleen42@vip.qq.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-12-15am: support --empty=<option> to handle empty patchesLibravatar 徐沛文 (Aleen)1-0/+50
Since that the command 'git-format-patch' can include patches of commits that emit no changes, the 'git-am' command should also support an option, named as '--empty', to specify how to handle those empty patches. In this commit, we have implemented three valid options ('stop', 'drop' and 'keep'). Signed-off-by: 徐沛文 (Aleen) <aleen42@vip.qq.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-12-15sparse-checkout: add sanity-checks on initial sparsity stateLibravatar Elijah Newren1-1/+9
Most sparse-checkout subcommands (list, add, reapply) only make sense when already in a sparse state. Add a quick check that will error out early if this is not the case. Also document with a comment why we do not exit early in `disable` even when core.sparseCheckout starts as false. Reviewed-by: Derrick Stolee <dstolee@microsoft.com> Reviewed-by: Victoria Dye <vdye@github.com> Signed-off-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-12-15Merge branch 'hn/allow-bogus-oid-in-ref-tests'Libravatar Junio C Hamano5-62/+121
The test helper for refs subsystem learned to write bogus and/or nonexistent object name to refs to simulate error situations we want to test Git in. * hn/allow-bogus-oid-in-ref-tests: t1430: create valid symrefs using test-helper t1430: remove refs using test-tool refs: introduce REF_SKIP_REFNAME_VERIFICATION flag refs: introduce REF_SKIP_OID_VERIFICATION flag refs: update comment. test-ref-store: plug memory leak in cmd_delete_refs test-ref-store: parse symbolic flag constants test-ref-store: remove force-create argument for create-reflog
2021-12-15Merge branch 're/color-default-reset'Libravatar Junio C Hamano1-0/+16
"default" and "reset" colors have been added to our palette. * re/color-default-reset: color: allow colors to be prefixed with "reset" color: support "default" to restore fg/bg color color: add missing GIT_COLOR_* white/black constants