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Fix tar invocation on FreeBSD

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tar(1) on FreeBSD does not use standard output or input when the -f flag
is not provided. Instead, it defaults to /dev/sa0 on FreeBSD.

Make this tar invocation a bit more robust and explicitly tell tar(1) to
use standard output.

This is one of the issues discovered while porting Nix to FreeBSD. It has
been tested and committed locally to FreeBSD ports:
https://svnweb.freebsd.org/ports/head/sysutils/nix/Makefile?revision=550026&view=markup#l108
This commit is contained in:
Mateusz Piotrowski 2020-09-28 15:23:21 +02:00 committed by GitHub
parent 649c465873
commit ed66d01065
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1 changed files with 1 additions and 1 deletions
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tests/tarball.sh
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@ -17,7 +17,7 @@ test_tarball() {
local compressor="$2" local compressor="$2"
tarball=$TEST_ROOT/tarball.tar$ext tarball=$TEST_ROOT/tarball.tar$ext
(cd $TEST_ROOT && tar c tarball) | $compressor > $tarball (cd $TEST_ROOT && tar cf - tarball) | $compressor > $tarball
nix-env -f file://$tarball -qa --out-path | grep -q dependencies nix-env -f file://$tarball -qa --out-path | grep -q dependencies