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Installs Composer
#!/bin/sh
EXPECTED_SIGNATURE=$(wget https://composer.github.io/installer.sig -O - -q)
php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');"
ACTUAL_SIGNATURE=$(php -r "echo hash_file('SHA384', 'composer-setup.php');")
if [ "$EXPECTED_SIGNATURE" = "$ACTUAL_SIGNATURE" ]
then
php composer-setup.php --quiet
RESULT=$?
rm composer-setup.php
exit $RESULT
else
>&2 echo 'ERROR: Invalid installer signature'
rm composer-setup.php
exit 1
fi
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