Fix path settings for composer.

bin/exec-env

@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+export COMPOSER_HOME="$ASDF_INSTALL_PATH/.composer"

bin/list-bin-paths

@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+echo "bin .composer/vendor/bin"

lib/utils.bash

@@ -161,7 +161,7 @@ install_composer() {
 		fail "Checksum checksum for Composer failed."
 	fi
 
-	# Verify the checksum
+	# Verify the checksum and move binary into place
 	echo "Verifying checksum..."
 	if $checksum_cmd -c composer.phar.sha256sum; then
 		mv composer.phar "$install_path/composer"
@@ -170,6 +170,9 @@ install_composer() {
 		fail "Checksum verification failed. The file may be corrupted or tampered with."
 	fi
 
+	# Create install directory for composer stuff
+	mkdir -p "${2%/bin}/.composer"
+
 	# Clean up: remove temporary directory
 	cd - && rm -rf "$temp_dir"