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Finally a POSIX way to check if a function is defined!

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This commit is contained in:
Pedro Algarvio 2013-01-22 13:52:34 +00:00
parent 93ccf442a3
commit ce2ca78293
1 changed files with 3 additions and 25 deletions
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28
bootstrap-salt-minion.sh
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@ -383,31 +383,9 @@ fi
#-------------------------------------------------------------------------------
__function_defined() {
FUNC_NAME=$1
d=$(declare -f $FUNCNAME)
if [ "${DISTRO_NAME_L}" = "centos" ]; then
if typeset -f $FUNC_NAME &>/dev/null ; then
echo " * INFO: Found function $FUNC_NAME"
return 0
fi
# Try POSIXLY_CORRECT or not
elif test -n "${POSIXLY_CORRECT+yes}"; then
if typeset -f ${FUNC_NAME} >/dev/null 2>&1 ; then
echo " * INFO: Found function $FUNC_NAME"
return 0
fi
else
# Arch linux seems to fall here
if $( type ${FUNC_NAME} >/dev/null 2>&1 ) ; then
echo " * INFO: Found function $FUNC_NAME"
return 0
fi
# if [ "$(grep $FUNC_NAME $(dirname $0)/$(basename $0))x" != "x" ]; then
# # This is really ugly and counter producing but it was, so far, the
# # only way we could have a POSIX compliant method to find if a function
# # is defined within this script.
# echo " * INFO: Found function $FUNC_NAME"
# return 0
if [ "$(command -v $FUNC_NAME)x" != "x" ]; then
echo " * INFO: Found function $FUNC_NAME"
return 0
fi
echo " * INFO: $FUNC_NAME not found...."
return 1