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2021-05-27t2080: fix cp invocation to copy symlinks instead of following themLibravatar Matheus Tavares1-1/+1
t2080 makes a few copies of a test repository and later performs a branch switch on each one of the copies to verify that parallel checkout and sequential checkout produce the same results. However, the repository is copied with `cp -R` which, on some systems, defaults to following symlinks on the directory hierarchy and copying their target files instead of copying the symlinks themselves. AIX is one example of system where this happens. Because the symlinks are not preserved, the copied repositories have paths that do not match what is in the index, causing git to abort the checkout operation that we want to test. This makes the test fail on these systems. Fix this by copying the repository with the POSIX flag '-P', which forces cp to copy the symlinks instead of following them. Note that we already use this flag for other cp invocations in our test suite (see t7001). With this change, t2080 now passes on AIX. Reported-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Matheus Tavares <matheus.bernardino@usp.br> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-05-05parallel-checkout: add tests for basic operationsLibravatar Matheus Tavares1-0/+229
Add tests to populate the working tree during clone and checkout using sequential and parallel mode, to confirm that they produce identical results. Also test basic checkout mechanics, such as checking for symlinks in the leading directories and the abidance to --force. Note: some helper functions are added to a common lib file which is only included by t2080 for now. But they will also be used by other parallel-checkout tests in the following patches. Co-authored-by: Jeff Hostetler <jeffhost@microsoft.com> Signed-off-by: Matheus Tavares <matheus.bernardino@usp.br> Signed-off-by: Junio C Hamano <gitster@pobox.com>