Add PECL download type and support for PECL artifacts

config/pkg/ext/builtin-extensions.yml

@@ -1,5 +1,19 @@
 ext-bcmath:
   type: php-extension
+ext-mbregex:
+  type: php-extension
+  depends:
+    - onig
+    - ext-mbstring
+  php-extension:
+    arg-type: custom
+    build-shared: false
+    build-static: true
+    display-name: mbstring
+ext-mbstring:
+  type: php-extension
+  php-extension:
+    arg-type: custom
 ext-openssl:
   type: php-extension
   depends:
@@ -10,6 +24,21 @@ ext-openssl:
     arg-type: custom
     arg-type@windows: with
     build-with-php: true
+ext-phar:
+  type: php-extension
+  depends:
+    - zlib
+ext-readline:
+  type: php-extension
+  depends:
+    - libedit
+  php-extension:
+    support:
+      Windows: wip
+      BSD: wip
+    arg-type: with-path
+    build-shared: false
+    build-static: true
 ext-zlib:
   type: php-extension
   depends:

config/pkg/ext/ext-amqp.yml

@@ -2,10 +2,8 @@ ext-amqp:
   type: php-extension
   artifact:
     source:
-      type: url
-      url: 'https://pecl.php.net/get/amqp'
-      extract: php-src/ext/amqp
-      filename: amqp.tgz
+      type: pecl
+      name: amqp
     metadata:
       license-files: [LICENSE]
       license: PHP-3.01

config/pkg/ext/ext-apcu.yml

@@ -2,10 +2,8 @@ ext-apcu:
   type: php-extension
   artifact:
     source:
-      type: url
-      url: 'https://pecl.php.net/get/APCu'
-      extract: php-src/ext/apcu
-      filename: apcu.tgz
+      type: pecl
+      name: APCu
     metadata:
       license-files: [LICENSE]
       license: PHP-3.01

config/pkg/ext/ext-ast.yml

@@ -0,0 +1,6 @@
+ext-ast:
+  type: php-extension
+  artifact:
+    source:
+      type: pecl
+      name: ast

config/pkg/ext/ext-mbregex.yml

@@ -1,10 +0,0 @@
-ext-mbregex:
-  type: php-extension
-  depends:
-    - onig
-    - ext-mbstring
-  php-extension:
-    arg-type: custom
-    build-shared: false
-    build-static: true
-    display-name: mbstring

config/pkg/ext/ext-mbstring.yml

@@ -1,4 +0,0 @@
-ext-mbstring:
-  type: php-extension
-  php-extension:
-    arg-type: custom

config/pkg/ext/ext-phar.yml

@@ -1,4 +0,0 @@
-ext-phar:
-  type: php-extension
-  depends:
-    - zlib

config/pkg/ext/ext-readline.yml

@@ -1,11 +0,0 @@
-ext-readline:
-  type: php-extension
-  depends:
-    - libedit
-  php-extension:
-    support:
-      Windows: wip
-      BSD: wip
-    arg-type: with-path
-    build-shared: false
-    build-static: true