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Probe for GNU parallel more accurately

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moreutils parallel isn't compatible with the command-line syntax
used here. Because it doesn't implement GNU-style --help and exits 1
when that option is given, this test was correctly skipped when
using moreutils parallel, but only by mistake.

moreutils parallel might conceivably gain --help and --version in
future, but hopefully nothing incompatible with GNU parallel is going
to gain a --gnu option.

Also use the --gnu option to force the new command-line semantics;
some versions optionally supported an incompatible command-line syntax
taken from moreutils parallel.

Signed-off-by: Simon McVittie <smcv@debian.org>

Closes: #232
Approved by: cgwalters
This commit is contained in:
Simon McVittie 2016-03-31 14:32:55 +01:00 committed by Colin Walters (automation)
parent 8cda8b6866
commit 9dafc82024
1 changed files with 3 additions and 3 deletions
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6
tests/test-admin-locking.sh
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@ -25,8 +25,8 @@ set -euo pipefail
setup_os_repository "archive-z2" "syslinux"
# If parallel is not installed, skip the test
if ! parallel --help >/dev/null 2>&1; then
echo "1..0 # SKIP no /usr/bin/parallel"
if ! parallel --gnu /bin/true </dev/null >/dev/null 2>&1; then
echo "1..0 # SKIP GNU parallel not available"
exit 0
fi
@ -42,7 +42,7 @@ echo "rev=${rev}"
${CMD_PREFIX} ostree admin deploy --karg=root=LABEL=MOO --karg=quiet --os=testos testos:testos/buildmaster/x86_64-runtime
assert_has_dir sysroot/boot/ostree/testos-${bootcsum}
parallel_cmd=parallel
parallel_cmd="parallel --gnu"
if parallel --help | grep -q -e --no-notice; then
parallel_cmd="${parallel_cmd} --no-notice"
fi