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Check command -v directly, instead of subshelling out.

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Signed-off-by: Dan Schaper <dan.schaper@pi-hole.net>
This commit is contained in:
Dan Schaper 2016-12-27 11:53:23 -08:00
parent c5f5252145
commit 7320fc11d2
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GPG key ID: 572E999E385B7BFC
1 changed files with 11 additions and 11 deletions
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22
automated install/basic-install.sh
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@ -63,7 +63,7 @@ else
echo ":::" echo ":::"
echo "::: Detecting the presence of the sudo utility for continuation of this install..." echo "::: Detecting the presence of the sudo utility for continuation of this install..."
if [ -x "$(command -v sudo)" ]; then if command -v sudo &> /dev/null; then
echo "::: Utility sudo located." echo "::: Utility sudo located."
exec curl -sSL https://install.pi-hole.net | sudo bash "$@" exec curl -sSL https://install.pi-hole.net | sudo bash "$@"
exit $? exit $?
@ -75,7 +75,7 @@ fi
# Compatibility # Compatibility
if [[ $(command -v apt-get) ]]; then if command -v apt-get &> /dev/null; then
#Debian Family #Debian Family
############################################# #############################################
PKG_MANAGER="apt-get" PKG_MANAGER="apt-get"
@ -101,9 +101,9 @@ if [[ $(command -v apt-get) ]]; then
package_check_install() { package_check_install() {
dpkg-query -W -f='${Status}' "${1}" 2>/dev/null | grep -c "ok installed" || ${PKG_INSTALL} "${1}" dpkg-query -W -f='${Status}' "${1}" 2>/dev/null | grep -c "ok installed" || ${PKG_INSTALL} "${1}"
} }
elif [ $(command -v rpm) ]; then elif command -v rpm &> /dev/null; then
# Fedora Family # Fedora Family
if [ $(command -v dnf) ]; then if command -v dnf &> /dev/null; then
PKG_MANAGER="dnf" PKG_MANAGER="dnf"
else else
PKG_MANAGER="yum" PKG_MANAGER="yum"
@ -421,7 +421,7 @@ setStaticIPv4() {
echo "USERCTL=no" echo "USERCTL=no"
}> "${IFCFG_FILE}" }> "${IFCFG_FILE}"
ip addr replace dev "${PIHOLE_INTERFACE}" "${IPV4_ADDRESS}" ip addr replace dev "${PIHOLE_INTERFACE}" "${IPV4_ADDRESS}"
if [ -x "$(command -v nmcli)" ];then if command -v nmcli &> /dev/null;then
# Tell NetworkManager to read our new sysconfig file # Tell NetworkManager to read our new sysconfig file
nmcli con load "${IFCFG_FILE}" > /dev/null nmcli con load "${IFCFG_FILE}" > /dev/null
fi fi
@ -681,7 +681,7 @@ stop_service() {
# Can softfail, as process may not be installed when this is called # Can softfail, as process may not be installed when this is called
echo ":::" echo ":::"
echo -n "::: Stopping ${1} service..." echo -n "::: Stopping ${1} service..."
if [ -x "$(command -v systemctl)" ]; then if command -v systemctl &> /dev/null; then
systemctl stop "${1}" &> /dev/null || true systemctl stop "${1}" &> /dev/null || true
else else
service "${1}" stop &> /dev/null || true service "${1}" stop &> /dev/null || true
@ -694,7 +694,7 @@ start_service() {
# This should not fail, it's an error if it does # This should not fail, it's an error if it does
echo ":::" echo ":::"
echo -n "::: Starting ${1} service..." echo -n "::: Starting ${1} service..."
if [ -x "$(command -v systemctl)" ]; then if command -v systemctl &> /dev/null; then
systemctl restart "${1}" &> /dev/null systemctl restart "${1}" &> /dev/null
else else
service "${1}" restart &> /dev/null service "${1}" restart &> /dev/null
@ -706,7 +706,7 @@ enable_service() {
# Enable service so that it will start with next reboot # Enable service so that it will start with next reboot
echo ":::" echo ":::"
echo -n "::: Enabling ${1} service to start on reboot..." echo -n "::: Enabling ${1} service to start on reboot..."
if [ -x "$(command -v systemctl)" ]; then if command -v systemctl &> /dev/null; then
systemctl enable "${1}" &> /dev/null systemctl enable "${1}" &> /dev/null
else else
update-rc.d "${1}" defaults &> /dev/null update-rc.d "${1}" defaults &> /dev/null
@ -869,10 +869,10 @@ create_pihole_user() {
configureFirewall() { configureFirewall() {
# Allow HTTP and DNS traffic # Allow HTTP and DNS traffic
if [ -x "$(command -v firewall-cmd)" ]; then if command -v firewall-cmd &> /dev/null; then
firewall-cmd --state &> /dev/null && ( echo "::: Configuring firewalld for httpd and dnsmasq.." && firewall-cmd --permanent --add-port=80/tcp && firewall-cmd --permanent --add-port=53/tcp \ firewall-cmd --state &> /dev/null && ( echo "::: Configuring firewalld for httpd and dnsmasq.." && firewall-cmd --permanent --add-port=80/tcp && firewall-cmd --permanent --add-port=53/tcp \
&& firewall-cmd --permanent --add-port=53/udp && firewall-cmd --reload) || echo "::: FirewallD not enabled" && firewall-cmd --permanent --add-port=53/udp && firewall-cmd --reload) || echo "::: FirewallD not enabled"
elif [ -x "$(command -v iptables)" ]; then elif command -v iptables &> /dev/null; then
echo "::: Configuring iptables for httpd and dnsmasq.." echo "::: Configuring iptables for httpd and dnsmasq.."
iptables -A INPUT -p tcp -m tcp --dport 80 -j ACCEPT iptables -A INPUT -p tcp -m tcp --dport 80 -j ACCEPT
iptables -A INPUT -p tcp -m tcp --dport 53 -j ACCEPT iptables -A INPUT -p tcp -m tcp --dport 53 -j ACCEPT
@ -954,7 +954,7 @@ updatePihole() {
checkSelinux() { checkSelinux() {
if [ -x "$(command -v getenforce)" ]; then if command -v getenforce &> /dev/null; then
echo ":::" echo ":::"
echo -n "::: SELinux Support Detected... Mode: " echo -n "::: SELinux Support Detected... Mode: "
enforceMode=$(getenforce) enforceMode=$(getenforce)