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init.d/hostname: fix default parameter syntax

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The syntax for expanding a variable with a default value is
	${parameter:-word}
not
	${parameter-word}
although the latter still works for a reason I could not explain.

This fixes #143.
This commit is contained in:
Nuno Silva
2017-06-10 03:12:49 +01:00
committed by William Hubbs
parent 1e5322e5c5
commit a511a48d77
1 changed files with 1 additions and 1 deletions
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2
init.d/hostname.in
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@@ -26,7 +26,7 @@ start()
else else
# HOSTNAME variable used to be defined in caps in conf.d/hostname. # HOSTNAME variable used to be defined in caps in conf.d/hostname.
# It is also a magic variable in bash. # It is also a magic variable in bash.
h=${hostname-${HOSTNAME}} # checkbashisms: false positive h=${hostname:-${HOSTNAME}} # checkbashisms: false positive (HOSTNAME var)
fi fi
if [ -z "$h" ]; then if [ -z "$h" ]; then
einfo "Using default system hostname" einfo "Using default system hostname"