1 files changed, 17 insertions, 0 deletions
diff --git a/.devcontainer/install-composer.sh b/.devcontainer/install-composer.sh
new file mode 100755
index 0000000..ff40a28
--- /dev/null
+++ b/.devcontainer/install-composer.sh
@@ -0,0 +1,17 @@
+#!/bin/sh
+
+EXPECTED_CHECKSUM="$(wget -q -O - https://composer.github.io/installer.sig)"
+php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');"
+ACTUAL_CHECKSUM="$(php -r "echo hash_file('sha384', 'composer-setup.php');")"
+
+if [ "$EXPECTED_CHECKSUM" != "$ACTUAL_CHECKSUM" ]
+then
+    >&2 echo 'ERROR: Invalid installer checksum'
+    rm composer-setup.php
+    exit 1
+fi
+
+php composer-setup.php --install-dir=/usr/local/bin --filename=composer --quiet
+RESULT=$?
+rm composer-setup.php
+exit $RESULT
+\ No newline at end of file