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fail-env: assign -> use default values

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In bash, ${parameter:=word} assigns the default value.  In our case,
${parameter:-word} (the whole expression has a default value, but it's
not assigned) suffices.

Change-Id: I5f4105b973892aa13943d660cbebaed76fd43752
This commit is contained in:
Horst Schirmeier
2015-01-28 18:43:31 +01:00
parent 412ecbba63
commit b8c03bca8d
1 changed files with 3 additions and 3 deletions
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6
scripts/fail-env.sh
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@ -9,16 +9,16 @@
# A whitespace-separated list of hosts to rsync the experiment data to. This
# is not necessarily the same list as FAIL_EXPERIMENT_HOSTS (see below), as
# many hosts may share their homes via NFS.
export FAIL_DISTRIBUTE_HOSTS=${FAIL_DISTRIBUTE_HOSTS:="ios kos virtuos plutonium bigbox.informatik.uni-erlangen.de ls12sp $(for hostnr in $(seq 39 58); do echo -n cloudhost$hostnr\ ; done)"}
export FAIL_DISTRIBUTE_HOSTS=${FAIL_DISTRIBUTE_HOSTS:-"ios kos virtuos plutonium bigbox.informatik.uni-erlangen.de ls12sp $(for hostnr in $(seq 39 58); do echo -n cloudhost$hostnr\ ; done)"}
# A whitespace-separated list of hosts to run experiments on. If the host name
# is followed by a ':' and a number, this specifies the number of clients to
# run on that host (defaults to #CPUs).
export FAIL_EXPERIMENT_HOSTS=${FAIL_EXPERIMENT_HOSTS:="bigbox.informatik.uni-erlangen.de plutonium:4 uran:4 virtuos ios:32 kos:16 bohrium:12 polonium:12 radon $(for hostnr in $(seq 100 254); do echo -n fiws$hostnr\ ; done) $(for hostnr in $(seq 39 58); do echo -n cloudhost$hostnr\ ; done)"}
export FAIL_EXPERIMENT_HOSTS=${FAIL_EXPERIMENT_HOSTS:-"bigbox.informatik.uni-erlangen.de plutonium:4 uran:4 virtuos ios:32 kos:16 bohrium:12 polonium:12 radon $(for hostnr in $(seq 100 254); do echo -n fiws$hostnr\ ; done) $(for hostnr in $(seq 39 58); do echo -n cloudhost$hostnr\ ; done)"}
# A homedir-relative directory on the distribution hosts where all necessary
# Fail* ingredients reside (see multiple-clients.sh).
export FAIL_EXPERIMENT_TARGETDIR=${FAIL_EXPERIMENT_TARGETDIR:=.fail-experiment}
export FAIL_EXPERIMENT_TARGETDIR=${FAIL_EXPERIMENT_TARGETDIR:-.fail-experiment}
# Number of parallel build processes. If unset, #CPUs+1.
if [ -z "$FAIL_BUILD_PARALLEL" ]; then