build/getcomposer.sh
#!/bin/sh
# From https://getcomposer.org/doc/faqs/how-to-install-composer-programmatically.md
EXPECTED_SIGNATURE=$(wget -q -O - https://composer.github.io/installer.sig)
php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');"
ACTUAL_SIGNATURE=$(php -r "echo hash_file('SHA384', 'composer-setup.php');")
if [ "$EXPECTED_SIGNATURE" != "$ACTUAL_SIGNATURE" ]
then
>&2 echo 'ERROR: downloaded composer installer hash does not equal the expected one.'
rm composer-setup.php
exit 1
fi
php composer-setup.php --quiet
RESULT=$?
rm composer-setup.php
exit $RESULT