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Merge pull request #622 from holta/iiab-install2

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iiab-install: [[ `grep` ]] -> grep -q; ansible version logic cleaner
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A Holt 2017-12-13 07:36:49 -05:00 committed by GitHub
commit 2653ec7a0c
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1 changed files with 14 additions and 6 deletions
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iiab-install
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@ -44,7 +44,7 @@ function version_gt() { [ "$(printf '%s\n' "$@" | sort -V | head -1)" != "$1" ];
# updates on 4.9.41-v7+ broke bridging, WiFi AP & OpenVPN in Oct/Nov 2017.
CURR_KERN=`uname -r`
echo "Found Kernel "$CURR_KERN""
if [ "$OS" == "raspbian" ] && version_gt $MIN_RPI_KERN $CURR_KERN; then
if [ "$OS" == "raspbian" ] && version_gt $MIN_RPI_KERN $CURR_KERN ; then
echo -e "\nEXITING: Kernel "$MIN_RPI_KERN" or higher required with Raspbian."
echo "PLEASE RUN 'apt update' then 'apt install raspberrypi-kernel' then reboot."
echo "IIAB INSTALL INSTRUCTIONS: https://github.com/iiab/iiab/wiki/IIAB-Installation"
@ -54,11 +54,19 @@ fi
# Verify that a recent enough version of Ansible is installed. See #449. The
# "include:" command was inconsistently implemented prior to Ansible 2.4.x.x
CURR_ANSIBLE_VER=0
if [[ `type -P ansible` ]]; then
CURR_ANSIBLE_VER=`ansible --version | head -1 | sed -e 's/.* //'`
#if [ $(grep ubuntu /etc/apt/sources.list) ]; then # FAILS when multiple lines returned, due to single square brackets
#if grep -q ubuntu /etc/apt/sources.list ; then # Works: bypasses need for "> /dev/null" thanks to "grep -q" (quiet)
#if command -v ansible > /dev/null ; then # Works But Wordy!
#if [[ $(command -v ansible) ]]; then # Also Works! $(...) nests more easily than backticks
#if [[ `which ansible` ]]; then # "which" misses built-in commands like cd, and is RISKY per https://stackoverflow.com/questions/592620/check-if-a-program-exists-from-a-bash-script
#if [[ `type -P ansible` ]]; then # "type -P" isn't POSIX compliant; it misses built-in commands like "cd"
if [[ `command -v ansible` ]]; then # "command -v" is POSIX compliant; it catches built-in commands like "cd"
#CURR_ANSIBLE_VER=`ansible --version | head -1 | sed -e 's/.* //'`
#CURR_ANSIBLE_VER=`ansible --version | head -1 | cut -f 2 -d " "`
CURR_ANSIBLE_VER=`ansible --version | head -1 | awk '{print $2}'` # to match scripts/ansible
echo "Found Ansible "$CURR_ANSIBLE_VER""
fi
if version_gt $MIN_ANSIBLE_VER $CURR_ANSIBLE_VER; then
if version_gt $MIN_ANSIBLE_VER $CURR_ANSIBLE_VER ; then
echo -e "\nEXITING: Ansible "$MIN_ANSIBLE_VER" or higher required."
echo "PLEASE RUN './scripts/ansible' to install the latest Ansible from PPA or RPM."
echo "'ansible --version' and 'apt -a list ansible' can also be useful here. Try"
@ -71,7 +79,7 @@ fi
# (in /etc/iiab/iiab.env) of the highest completed Stage. Avoid repetition!
STAGE=0
if [ -f /etc/iiab/iiab.env ]; then
if [[ `grep STAGE= /etc/iiab/iiab.env` ]]; then
if grep -q STAGE= /etc/iiab/iiab.env ; then
source /etc/iiab/iiab.env
echo "Extracted STAGE="$STAGE" (counter) from /etc/iiab/iiab.env"
if ! [ "$STAGE" -eq "$STAGE" ] 2> /dev/null; then
@ -83,7 +91,7 @@ if [ -f /etc/iiab/iiab.env ]; then
fi
fi
# if XSCE is present resolveconf will not be
if [[ `grep XSCE /etc/iiab/iiab.env` ]]; then
if grep -q XSCE /etc/iiab/iiab.env ; then
STAGE=0
rm /etc/iiab/iiab.env
echo "Removed /etc/iiab/iiab.env effectively resetting STAGE (counter)."