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2022-02-02patch-id: fix scan_hunk_header on diffs with 1 line of before/afterLibravatar Jerry Zhang1-1/+30
Normally diffs will contain a hunk header of the format "@@ -2,2 +2,15 @@ code". However when there is only 1 line of change, the unified diff format allows for the second comma separated value to be omitted in either before or after line counts. This can produce hunk headers that look like "@@ -2 +2,18 @@ code" or "@@ -2,2 +2 @@ code". As a result, scan_hunk_header mistakenly returns the line number as line count, which then results in unpredictable parsing errors with the rest of the patch, including giving multiple lines of output for a single commit. Fix by explicitly setting line count to 1 when there is no comma, and add a test. apply.c contains this same logic except it is correct. A worthwhile future project might be to unify these two diff parsers so they both benefit from fixes. Signed-off-by: Jerry Zhang <jerry@skydio.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-02-02patch-id: fix antipatterns in testsLibravatar Jerry Zhang1-33/+31
Clean up the tests for patch-id by moving file preparation tasks inside the test body and redirecting files directly into stdin instead of using 'cat'. Signed-off-by: Jerry Zhang <jerry@skydio.com> 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>
2021-11-18checkout: fix "branch info" memory leaksLibravatar Ævar Arnfjörð Bjarmason1-0/+1
The "checkout" command is one of the main sources of leaks in the test suite, let's fix the common ones by not leaking from the "struct branch_info". Doing this is rather straightforward, albeit verbose, we need to xstrdup() constant strings going into the struct, and free() the ones we clobber as we go along. This also means that we can delete previous partial leak fixes in this area, i.e. the "path_to_free" accounting added by 96ec7b1e708 (Convert resolve_ref+xstrdup to new resolve_refdup function, 2011-12-13). There was some discussion about whether "we should retain the "const char *" here and cast at free() time, or have it be a "char *". Since this is not a public API with any sort of API boundary let's use "char *", as is already being done for the "refname" member of the same struct. The tests to mark as passing were found with: rm .prove; GIT_SKIP_TESTS=t0027 prove -j8 --state=save t[0-9]*.sh :: --immediate # apply & compile this change prove -j8 --state=failed :: --immediate I.e. the ones that were newly passing when the --state=failed command was run. I left out "t3040-subprojects-basic.sh" and "t4131-apply-fake-ancestor.sh" to to optimization-level related differences similar to the ones noted in[1], except that these would be something the current 'linux-leaks' job would run into. 1. https://lore.kernel.org/git/cover-v3-0.6-00000000000-20211022T175227Z-avarab@gmail.com/ Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-11-19t4*: adjust the references to the default branch name "main"Libravatar Johannes Schindelin1-14/+14
Carefully excluding t4013 and t4015, which see independent development elsewhere at the time of writing, we use `main` as the default branch name in t4*. This trick was performed via $ (cd t && sed -i -e 's/master/main/g' -e 's/MASTER/MAIN/g' \ -e 's/Master/Main/g' -- t4*.sh t4211/*.export && git checkout HEAD -- t4013\*) 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>
2020-11-19tests: mark tests relying on the current default for `init.defaultBranch`Libravatar Johannes Schindelin1-0/+3
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>
2020-01-15t4204: make hash size independentLibravatar brian m. carlson1-1/+1
Use $OID_REGEX instead of a hard-coded regular expression. Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-09-21Merge branch 'jk/setup-sequence-update'Libravatar Junio C Hamano1-0/+14
There were numerous corner cases in which the configuration files are read and used or not read at all depending on the directory a Git command was run, leading to inconsistent behaviour. The code to set-up repository access at the beginning of a Git process has been updated to fix them. * jk/setup-sequence-update: t1007: factor out repeated setup init: reset cached config when entering new repo init: expand comments explaining config trickery config: only read .git/config from configured repos test-config: setup git directory t1302: use "git -C" pager: handle early config pager: use callbacks instead of configset pager: make pager_program a file-local static pager: stop loading git_default_config() pager: remove obsolete comment diff: always try to set up the repository diff: handle --no-index prefixes consistently diff: skip implicit no-index check when given --no-index patch-id: use RUN_SETUP_GENTLY hash-object: always try to set up the git repository
2016-09-13patch-id: use RUN_SETUP_GENTLYLibravatar Jeff King1-0/+14
Patch-id does not require a repository because it is just processing the incoming diff on stdin, but it may look at git config for keys like patchid.stable. Even though we do not setup_git_directory(), this works from the top-level of a repository because we blindly look at ".git/config" in this case. But as the included test demonstrates, it does not work from a subdirectory. We can fix it by using RUN_SETUP_GENTLY. We do not take any filenames from the user on the command line, so there's no need to adjust them via prefix_filename(). Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-05-24t4204: do not let $name variable clobberedLibravatar Junio C Hamano1-3/+3
test_patch_id_file_order shell function uses $name variable to hold one filename, and calls another shell function calc_patch_id as a downstream of one pipeline. The called function, however, also uses the same $name variable. With a shell implementation that runs the callee in the current shell environment, the caller's $name would be clobbered by the callee's use of the same variable. This hasn't been an issue with dash and bash. ksh93 reveals the breakage in the test script. Fix it by using a distinct variable name in the callee. Reported-by: Armin Kunaschik <megabreit@googlemail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-06-16Merge branch 'mt/patch-id-stable' (early part)Libravatar Junio C Hamano1-11/+91
* 'mt/patch-id-stable' (early part): patch-id-test: test stable and unstable behaviour patch-id: make it stable against hunk reordering test doc: test_write_lines does not split its arguments test: add test_write_lines helper
2014-06-10patch-id-test: test stable and unstable behaviourLibravatar Michael S. Tsirkin1-11/+91
Verify that patch ID supports an algorithm that is stable against diff split and reordering. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-04-30t4204-patch-id.sh: use the $( ... ) construct for command substitutionLibravatar Elia Pinto1-2/+2
The Git CodingGuidelines prefer the $(...) construct for command substitution instead of using the backquotes `...`. The backquoted form is the traditional method for command substitution, and is supported by POSIX. However, all but the simplest uses become complicated quickly. In particular, embedded command substitutions and/or the use of double quotes require careful escaping with the backslash character. The patch was generated by: for _f in $(find . -name "*.sh") do sed -i 's@`\(.*\)`@$(\1)@g' ${_f} done and then carefully proof-read. Signed-off-by: Elia Pinto <gitter.spiros@gmail.com> Reviewed-by: Matthieu Moy <Matthieu.Moy@imag.fr> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-02-17git-patch-id: do not trip over "no newline" markersLibravatar Michael J Gruber1-1/+1
Currently, patch-id trips over our very own diff extension for marking the absence of newline at EOF. Fix it. (Ignore it, it's whitespace.) Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-02-17git-patch-id: test for "no newline" markersLibravatar Michael J Gruber1-0/+36
Currently, patch-id trips over our very own output that marks the absence of newline at EOF. Expose this in a test. Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-04-19patch-id: Add support for mbox formatLibravatar Paolo Bonzini1-0/+28
I have an alias that takes two arguments and compares their patch IDs. I would like to use to make sure I've tested exactly what I submit (patch by patch), like git patch-cmp origin/master.. file-being-sent However, I cannot do that because git patch-id is fooled by the "-- " trailer that git format-patch puts, or likely by the MIME boundary. This patch adds hunk parsing logic to git patch-id in order to detect an out of place "-" line and split the patch when it comes. In addition, commit ids in the "From " lines are considered and printed in the output. Signed-off-by: Paolo Bonzini <bonzini@gnu.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-03-14test-suite: Make test script numbers uniqueLibravatar Johannes Sixt1-0/+38
In order to selectively skip tests, the environment variable GIT_SKIP_TESTS can be set like this: $ GIT_SKIP_TESTS='t1301 t4150.18' make test That is, its value can contain only the test script numbers, but not the full script name. Therefore, it is important that the test scripts are uniquely numbered. This makes it so. Signed-off-by: Johannes Sixt <j6t@kdbg.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>