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Version strings & bash.

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Fixed up the version checking. Thanks for your help @dschaper.

No longer uses the version string as returned, but uses the major and minor version numbers extracted from it, against the minimum of 5.5. 

Tested against real install of php 7.0, (and the version check logic separately tested against a variety of artificial version numbers, of multiple digits for both major and minor version. - Lesson learned, I'm never trusting bash again)

Signed-off-by: Rob Gill <rrobgill@protonmail.com>
This commit is contained in:
Rob Gill 2018-06-05 21:42:42 +10:00 committed by GitHub
parent 13b8e1a2ae
commit a3569d88c9
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1 changed files with 10 additions and 6 deletions
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16
automated install/basic-install.sh
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@ -160,13 +160,19 @@ if command -v apt-get &> /dev/null; then
# use iproute
iproute_pkg="iproute"
fi
# Check for and determine version number, major and minor of current php install
# Check for and determine version number (major and minor) of current php install
if command -v php &> /dev/null; then
phpInsVersion="$(php -v | head -n1 | grep -Po '(?<PHP )[^ ]+')"
phpInsVersion="$(php -v | head -n1 | grep -Po '(?<=PHP )[^ ]+')"
echo -e " ${INFO} Existing PHP installation detected : PHP version $phpInsVersion"
phpInsMajor="$(echo "$phpInsVersion" | cut -d\. -f1)"
phpInsMinor="$(echo "$phpInsVersion" | cut -d\. -f2)"
# Is installed php version supported? (php 5.4 is EOL)
if [ "$(echo "$phpInsMajor.$phpInsMinor < 5.5" | bc )" == 0 ]; then
phpInsSupported=true
fi
fi
# Check if installed php is supported version (5.4 is EOL)
if [[ "$phpInsVersion" < "5.5" ]]; then
# Check if installed php is unsupported version (5.4 is EOL)
if [[ "$phpInsSupported" != true ]]; then
# Prefer the php metapackage if it's there
if ${PKG_MANAGER} install --dry-run php > /dev/null 2>&1; then
phpVer="php"
@ -176,8 +182,6 @@ if command -v apt-get &> /dev/null; then
fi
else
# Supported php is installed, its common, cgi & sqlite counterparts are deps
phpInsMajor="$(echo "$phpInsVersion" | cut -d\. -f1)"
phpInsMinor="$(echo "$phpInsVersion" | cut -d\. -f2)"
phpVer="php$phpInsMajor.$phpInsMinor"
fi
# We also need the correct version for `php-sqlite` (which differs across distros)