style(binary-installer): use raw strings for the PHP heredoc templates

The proxy templates are heredocs in Composer's BinaryInstaller. Writing
them as raw string literals keeps the generated PHP and shell code laid
out the way it is emitted, instead of one escaped line.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

1 files changed, 156 insertions, 50 deletions

diff --git a/crates/shirabe/src/installer/binary_installer.rs b/crates/shirabe/src/installer/binary_installer.rs
index 81f58b84..56f95c89 100644
--- a/crates/shirabe/src/installer/binary_installer.rs
+++ b/crates/shirabe/src/installer/binary_installer.rs
@@ -383,64 +383,170 @@ impl BinaryInstaller {
                     " using a stream wrapper to prevent the shebang from being output on PHP<8\n *"
                         .to_string();
                 stream_proxy_code = format!(
-                    "if (PHP_VERSION_ID < 80000) {{\n    if (!class_exists('Composer\\BinProxyWrapper')) {{\n        /**\n         * @internal\n         */\n        final class BinProxyWrapper\n        {{\n            private $handle;\n            private $position;\n            private $realpath;\n\n            public function stream_open($path, $mode, $options, &$opened_path)\n            {{\n                // get rid of phpvfscomposer:// prefix for __FILE__ & __DIR__ resolution\n                $opened_path = substr($path, 17);\n                $this->realpath = realpath($opened_path) ?: $opened_path;\n                $opened_path = {phpunit_hack1}$this->realpath;\n                $this->handle = fopen($this->realpath, $mode);\n                $this->position = 0;\n\n                return (bool) $this->handle;\n            }}\n\n            public function stream_read($count)\n            {{\n                $data = fread($this->handle, $count);\n\n                if ($this->position === 0) {{\n                    $data = preg_replace('{{^#!.*\\r?\\n}}', '', $data);\n                }}{phpunit_hack2}\n\n                $this->position += strlen($data);\n\n                return $data;\n            }}\n\n            public function stream_cast($castAs)\n            {{\n                return $this->handle;\n            }}\n\n            public function stream_close()\n            {{\n                fclose($this->handle);\n            }}\n\n            public function stream_lock($operation)\n            {{\n                return $operation ? flock($this->handle, $operation) : true;\n            }}\n\n            public function stream_seek($offset, $whence)\n            {{\n                if (0 === fseek($this->handle, $offset, $whence)) {{\n                    $this->position = ftell($this->handle);\n                    return true;\n                }}\n\n                return false;\n            }}\n\n            public function stream_tell()\n            {{\n                return $this->position;\n            }}\n\n            public function stream_eof()\n            {{\n                return feof($this->handle);\n            }}\n\n            public function stream_stat()\n            {{\n                return array();\n            }}\n\n            public function stream_set_option($option, $arg1, $arg2)\n            {{\n                return true;\n            }}\n\n            public function url_stat($path, $flags)\n            {{\n                $path = substr($path, 17);\n                if (file_exists($path)) {{\n                    return stat($path);\n                }}\n\n                return false;\n            }}\n        }}\n    }}\n\n    if (\n        (function_exists('stream_get_wrappers') && in_array('phpvfscomposer', stream_get_wrappers(), true))\n        || (function_exists('stream_wrapper_register') && stream_wrapper_register('phpvfscomposer', 'Composer\\BinProxyWrapper'))\n    ) {{\n        return include(\"phpvfscomposer://\" . {bin_path_exported});\n    }}\n}}\n",
-                    phpunit_hack1 = phpunit_hack1,
-                    phpunit_hack2 = phpunit_hack2,
-                    bin_path_exported = bin_path_exported,
+                    r#"if (PHP_VERSION_ID < 80000) {{
+    if (!class_exists('Composer\BinProxyWrapper')) {{
+        /**
+         * @internal
+         */
+        final class BinProxyWrapper
+        {{
+            private $handle;
+            private $position;
+            private $realpath;
+
+            public function stream_open($path, $mode, $options, &$opened_path)
+            {{
+                // get rid of phpvfscomposer:// prefix for __FILE__ & __DIR__ resolution
+                $opened_path = substr($path, 17);
+                $this->realpath = realpath($opened_path) ?: $opened_path;
+                $opened_path = {phpunit_hack1}$this->realpath;
+                $this->handle = fopen($this->realpath, $mode);
+                $this->position = 0;
+
+                return (bool) $this->handle;
+            }}
+
+            public function stream_read($count)
+            {{
+                $data = fread($this->handle, $count);
+
+                if ($this->position === 0) {{
+                    $data = preg_replace('{{^#!.*\r?\n}}', '', $data);
+                }}{phpunit_hack2}
+
+                $this->position += strlen($data);
+
+                return $data;
+            }}
+
+            public function stream_cast($castAs)
+            {{
+                return $this->handle;
+            }}
+
+            public function stream_close()
+            {{
+                fclose($this->handle);
+            }}
+
+            public function stream_lock($operation)
+            {{
+                return $operation ? flock($this->handle, $operation) : true;
+            }}
+
+            public function stream_seek($offset, $whence)
+            {{
+                if (0 === fseek($this->handle, $offset, $whence)) {{
+                    $this->position = ftell($this->handle);
+                    return true;
+                }}
+
+                return false;
+            }}
+
+            public function stream_tell()
+            {{
+                return $this->position;
+            }}
+
+            public function stream_eof()
+            {{
+                return feof($this->handle);
+            }}
+
+            public function stream_stat()
+            {{
+                return array();
+            }}
+
+            public function stream_set_option($option, $arg1, $arg2)
+            {{
+                return true;
+            }}
+
+            public function url_stat($path, $flags)
+            {{
+                $path = substr($path, 17);
+                if (file_exists($path)) {{
+                    return stat($path);
+                }}
+
+                return false;
+            }}
+        }}
+    }}
+
+    if (
+        (function_exists('stream_get_wrappers') && in_array('phpvfscomposer', stream_get_wrappers(), true))
+        || (function_exists('stream_wrapper_register') && stream_wrapper_register('phpvfscomposer', 'Composer\BinProxyWrapper'))
+    ) {{
+        return include("phpvfscomposer://" . {bin_path_exported});
+    }}
+}}
+"#
                 );
             }
 
             return format!(
-                "{}\n<?php\n\n/**\n * Proxy PHP file generated by Composer\n *\n * This file includes the referenced bin path ({})\n *{}\n * @generated\n */\n\nnamespace Composer;\n\n{}\n{}\nreturn include {};\n",
-                proxy_code,
-                bin_path,
-                stream_hint,
-                globals_code,
-                stream_proxy_code,
-                bin_path_exported,
+                r#"{proxy_code}
+<?php
+
+/**
+ * Proxy PHP file generated by Composer
+ *
+ * This file includes the referenced bin path ({bin_path})
+ *{stream_hint}
+ * @generated
+ */
+
+namespace Composer;
+
+{globals_code}
+{stream_proxy_code}
+return include {bin_path_exported};
+"#
             );
         }
 
         format!(
-            "#!/usr/bin/env sh\n\
-             \n\
-             # Support bash to support `source` with fallback on $0 if this does not run with bash\n\
-             # https://stackoverflow.com/a/35006505/6512\n\
-             selfArg=\"$BASH_SOURCE\"\n\
-             if [ -z \"$selfArg\" ]; then\n\
-             \x20\x20\x20\x20selfArg=\"$0\"\n\
-             fi\n\
-             \n\
-             self=$(realpath \"$selfArg\" 2> /dev/null)\n\
-             if [ -z \"$self\" ]; then\n\
-             \x20\x20\x20\x20self=\"$selfArg\"\n\
-             fi\n\
-             \n\
-             dir=$(cd \"${{self%[/\\\\]*}}\" > /dev/null; cd {bin_dir} && pwd)\n\
-             \n\
-             if [ -d /proc/cygdrive ]; then\n\
-             \x20\x20\x20\x20case $(which php) in\n\
-             \x20\x20\x20\x20\x20\x20\x20\x20$(readlink -n /proc/cygdrive)/*)\n\
-             \x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20# We are in Cygwin using Windows php, so the path must be translated\n\
-             \x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20dir=$(cygpath -m \"$dir\");\n\
-             \x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20;;\n\
-             \x20\x20\x20\x20esac\n\
-             fi\n\
-             \n\
-             export COMPOSER_RUNTIME_BIN_DIR=\"$(cd \"${{self%[/\\\\]*}}\" > /dev/null; pwd)\"\n\
-             \n\
-             # If bash is sourcing this file, we have to source the target as well\n\
-             bashSource=\"$BASH_SOURCE\"\n\
-             if [ -n \"$bashSource\" ]; then\n\
-             \x20\x20\x20\x20if [ \"$bashSource\" != \"$0\" ]; then\n\
-             \x20\x20\x20\x20\x20\x20\x20\x20source \"${{dir}}/{bin_file}\" \"$@\"\n\
-             \x20\x20\x20\x20\x20\x20\x20\x20return\n\
-             \x20\x20\x20\x20fi\n\
-             fi\n\
-             \n\
-             exec \"${{dir}}/{bin_file}\" \"$@\"\n",
-            bin_dir = bin_dir,
-            bin_file = bin_file,
+            r#"#!/usr/bin/env sh
+
+# Support bash to support `source` with fallback on $0 if this does not run with bash
+# https://stackoverflow.com/a/35006505/6512
+selfArg="$BASH_SOURCE"
+if [ -z "$selfArg" ]; then
+    selfArg="$0"
+fi
+
+self=$(realpath "$selfArg" 2> /dev/null)
+if [ -z "$self" ]; then
+    self="$selfArg"
+fi
+
+dir=$(cd "${{self%[/\\]*}}" > /dev/null; cd {bin_dir} && pwd)
+
+if [ -d /proc/cygdrive ]; then
+    case $(which php) in
+        $(readlink -n /proc/cygdrive)/*)
+            # We are in Cygwin using Windows php, so the path must be translated
+            dir=$(cygpath -m "$dir");
+            ;;
+    esac
+fi
+
+export COMPOSER_RUNTIME_BIN_DIR="$(cd "${{self%[/\\]*}}" > /dev/null; pwd)"
+
+# If bash is sourcing this file, we have to source the target as well
+bashSource="$BASH_SOURCE"
+if [ -n "$bashSource" ]; then
+    if [ "$bashSource" != "$0" ]; then
+        source "${{dir}}/{bin_file}" "$@"
+        return
+    fi
+fi
+
+exec "${{dir}}/{bin_file}" "$@"
+"#
         )
     }
 }