have pkg-config poll something that exists (#5220)

projects/freedesktop.org/pkg-config/package.yml

@@ -1,5 +1,5 @@
 distributable:
-  url: https://pkgconfig.freedesktop.org/releases/pkg-config-{{version}}.tar.gz
+  url: https://pkgconfig.freedesktop.org/releases/{{version.tag}}.tar.gz
   strip-components: 1
 
 provides:
@@ -13,23 +13,21 @@ provides:
 # platform environments.
 
 versions:
-  github: freedesktop/pkg-config/tags
+  gitlab: gitlab.freedesktop.org:pkg-config/pkg-config/tags
   strip: /^pkg-config-/
 
 build:
-  script: |-
-    ./configure $ARGS
-    make --jobs {{ hw.concurrency }} install
+  script:
+    - ./configure
+        --prefix="{{ prefix }}"
+        --disable-debug
+        --disable-host-tool
+        --with-internal-glib
+        --with-pc-path=/usr/lib/pkgconfig:/usr/share/pkgconfig  # otherwise the defaults are based on our {{prefix}}
+    - make --jobs {{ hw.concurrency }} install
   env:
-    ARGS:
-      - --prefix="{{ prefix }}"
-      - --disable-debug
-      - --disable-host-tool
-      - --with-internal-glib
-      # otherwise the defaults are based on our {{prefix}}
-      - --with-pc-path=/usr/lib/pkgconfig:/usr/share/pkgconfig
     # llvm15 changed this to hard error
     CFLAGS: -Wno-error=int-conversion $CFLAGS
 
 test:
-  script: pkg-config --version
+  pkg-config --version