pad.pub0.org/bin/installDeps.sh

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#!/bin/sh
# minimum required node version
REQUIRED_NODE_MAJOR=6
REQUIRED_NODE_MINOR=9
# minimum required npm version
REQUIRED_NPM_MAJOR=3
REQUIRED_NPM_MINOR=10
require_minimal_version() {
PROGRAM_LABEL="$1"
VERSION_STRING="$2"
REQUIRED_MAJOR="$3"
REQUIRED_MINOR="$4"
# Flag -s (--only-delimited on GNU cut) ensures no string is returned
# when there is no match
DETECTED_MAJOR=$(echo $VERSION_STRING | cut -s -d "." -f 1)
DETECTED_MINOR=$(echo $VERSION_STRING | cut -s -d "." -f 2)
if [ -z "$DETECTED_MAJOR" ]; then
printf 'Cannot extract %s major version from version string "%s"\n' "$PROGRAM_LABEL" "$VERSION_STRING" >&2
exit 1
fi
if [ -z "$DETECTED_MINOR" ]; then
printf 'Cannot extract %s minor version from version string "%s"\n' "$PROGRAM_LABEL" "$VERSION_STRING" >&2
exit 1
fi
case "$DETECTED_MAJOR" in
''|*[!0-9]*)
printf '%s major version from "%s" is not a number. Detected: "%s"\n' "$PROGRAM_LABEL" "$VERSION_STRING" "$DETECTED_MAJOR" >&2
exit 1
;;
esac
case "$DETECTED_MINOR" in
''|*[!0-9]*)
printf '%s minor version from "%s" is not a number. Detected: "%s"\n' "$PROGRAM_LABEL" "$VERSION_STRING" "$DETECTED_MINOR" >&2
exit 1
esac
if [ "$DETECTED_MAJOR" -lt "$REQUIRED_MAJOR" ] || ([ "$DETECTED_MAJOR" -eq "$REQUIRED_MAJOR" ] && [ "$DETECTED_MINOR" -lt "$REQUIRED_MINOR" ]); then
printf 'Your %s version "%s" is too old. %s %d.%d.x or higher is required.\n' "$PROGRAM_LABEL" "$VERSION_STRING" "$PROGRAM_LABEL" "$REQUIRED_MAJOR" "$REQUIRED_MINOR" >&2
exit 1
fi
}
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#Move to the folder where ep-lite is installed
cd `dirname $0`
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#Was this script started in the bin folder? if yes move out
if [ -d "../bin" ]; then
cd "../"
fi
#Is node installed?
#Not checking io.js, default installation creates a symbolic link to node
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hash node > /dev/null 2>&1 || {
echo "Please install node.js ( https://nodejs.org )" >&2
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exit 1
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}
#Is npm installed?
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hash npm > /dev/null 2>&1 || {
echo "Please install npm ( https://npmjs.org )" >&2
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exit 1
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}
#Check npm version
NPM_VERSION_STRING=$(npm --version)
require_minimal_version "npm" "$NPM_VERSION_STRING" "$REQUIRED_NPM_MAJOR" "$REQUIRED_NPM_MINOR"
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#Check node version
NODE_VERSION_STRING=$(node --version)
NODE_VERSION_STRING=${NODE_VERSION_STRING#"v"}
require_minimal_version "nodejs" "$NODE_VERSION_STRING" "$REQUIRED_NODE_MAJOR" "$REQUIRED_NODE_MINOR"
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#Get the name of the settings file
settings="settings.json"
a='';
for arg in $*; do
if [ "$a" = "--settings" ] || [ "$a" = "-s" ]; then settings=$arg; fi
a=$arg
done
#Does a $settings exist? if not copy the template
if [ ! -f $settings ]; then
echo "Copy the settings template to $settings..."
cp settings.json.template $settings || exit 1
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fi
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echo "Ensure that all dependencies are up to date... If this is the first time you have run Etherpad please be patient."
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(
mkdir -p node_modules
cd node_modules
[ -e ep_etherpad-lite ] || ln -s ../src ep_etherpad-lite
cd ep_etherpad-lite
npm install --no-save --loglevel warn
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) || {
rm -rf src/node_modules
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exit 1
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}
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#Remove all minified data to force node creating it new
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echo "Clearing minified cache..."
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rm -f var/minified*
exit 0