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f845097ee7
This topic branch brings slightly experimental changes supporting Git for Windows to use BusyBox-w32 to execute its shell scripts as well as its test suite. The test suite can be run by installing the test artifacts into a MinGit that has busybox.exe (and using Git for Windows' SDK's Perl for now, as the test suite requires Perl even when NO_PERL is set, go figure) by using the `install-mingit-test-artifacts` Makefile target with the DESTDIR variable pointing to the top-level directory of the MinGit installation. To facilitate running the test suite (without having `make` available, as `make.exe` is not part of MinGit), this branch brings an experimental patch to the `test-run-command` helper to run Git's test suite. It is still very experimental, though: in this developer's tests it seemed that the `poll()` emulation required for `run_parallel_processes()` to work sometimes hiccups on Windows, causing infinite "hangs". It is also possible that BusyBox itself has problems writing to the pipes opened by `test-run-command` (and merging this branch will help investigate further). Caveat emptor. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>