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Quote variables in shell script

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In case paths contain spaces, it's better to consistently quote
variables, and to use $() instead of `` for external invocations.

Signed-off-by: martin f. krafft <madduck@madduck.net>
This commit is contained in:
martin f. krafft 2013-06-14 10:38:09 +02:00
parent 4b9f8fc294
commit 9f4988dbfd
1 changed files with 8 additions and 8 deletions
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16
hacking/env-setup
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@ -7,23 +7,23 @@
# When run using source as directed, $0 gets set to bash, so we must use $BASH_SOURCE
case "$0" in
(bash)
HACKING_DIR=${BASH_SOURCE%/*};;
HACKING_DIR="${BASH_SOURCE%/*}";;
(*)
HACKING_DIR=${0%/*};;
HACKING_DIR="${0%/*}";;
esac
# The below is an alternative to readlink -fn which doesn't exist on OS X
# Source: http://stackoverflow.com/a/1678636
FULL_PATH=`python -c "import os; print(os.path.realpath('$HACKING_DIR'))"`
ANSIBLE_HOME=${FULL_PATH%/*}
FULL_PATH=$(python -c "import os; print(os.path.realpath('$HACKING_DIR'))")
ANSIBLE_HOME="${FULL_PATH%/*}"
PREFIX_PYTHONPATH="$ANSIBLE_HOME/lib"
PREFIX_PATH="$ANSIBLE_HOME/bin"
PREFIX_MANPATH="$ANSIBLE_HOME/docs/man"
[[ $PYTHONPATH != ${PREFIX_PYTHONPATH}* ]] && export PYTHONPATH=$PREFIX_PYTHONPATH:$PYTHONPATH
[[ $PATH != ${PREFIX_PATH}* ]] && export PATH=$PREFIX_PATH:$PATH
[[ "$PYTHONPATH" != "${PREFIX_PYTHONPATH}"* ]] && export PYTHONPATH=$"PREFIX_PYTHONPATH:$PYTHONPATH"
[[ "$PATH" != "${PREFIX_PATH}"* ]] && export PATH="$PREFIX_PATH:$PATH"
export ANSIBLE_LIBRARY="$ANSIBLE_HOME/library"
[[ $MANPATH != ${PREFIX_MANPATH}* ]] && export MANPATH=$PREFIX_MANPATH:$MANPATH
[[ "$MANPATH" != "${PREFIX_MANPATH}"* ]] && export MANPATH="$PREFIX_MANPATH:$MANPATH"
# Print out values unless -q is set
@ -36,7 +36,7 @@ if [ $# -eq 0 -o "$1" != "-q" ] ; then
echo "ANSIBLE_LIBRARY=$ANSIBLE_LIBRARY"
echo "MANPATH=$MANPATH"
echo ""
echo "Remember, you may wish to specify your host file with -i"
echo ""
echo "Done!"