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authorLibravatar Jeff King <peff@peff.net>2017-01-06 20:17:48 -0500
committerLibravatar Junio C Hamano <gitster@pobox.com>2017-01-09 13:41:35 -0800
commit246f0edec0b789ccfeebcf7fef85417b7cb04425 (patch)
tree5ab877ad21dceefc6ce5233270b1863c00f18ecb /Documentation/docbook.xsl
parentexecv_dashed_external: use child_process struct (diff)
downloadtgif-246f0edec0b789ccfeebcf7fef85417b7cb04425.tar.xz
execv_dashed_external: stop exiting with negative code
When we try to exec a git sub-command, we pass along the status code from run_command(). But that may return -1 if we ran into an error with pipe() or execve(). This tends to work (and end up as 255 due to twos-complement wraparound and truncation), but in general it's probably a good idea to avoid negative exit codes for portability. We can easily translate to the normal generic "128" code we get when syscalls cause us to die. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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