ci: Re-implement the gi-checker in python

To cleanup and ignore the gstreamer-utils crate

.gitlab-ci.yml

@@ -408,31 +408,7 @@ gir-checks:
   extends: .img-stable
   stage: 'extras'
   script:
-    - git diff --exit-code
-    - git clone --depth 1 https://github.com/gtk-rs/checker
-    - git diff --exit-code
-    - cd checker && echo '[workspace]' >> Cargo.toml
-    - cd .. && git diff --exit-code && cd checker
-    - cargo build --locked --color=always --release
-    - cd .. && git diff --exit-code && cd checker
-    - |
-      cargo run --color=always --release -- ../gstreamer* ../gstreamer-gl/{egl,wayland,x11}
-    - cd .. && git diff --exit-code && cd checker
-    # Check doc aliases
-    - |
-      for crate in ../gstreamer* ../gstreamer-gl/{egl,wayland,x11}; do
-        echo '--> Checking doc aliases in ' $crate
-        python3 doc_aliases.py $crate
-      done
-    - cd ..
-    # To ensure that there was no missing #[doc(alias = "...")]
-    - git diff --exit-code
-    - |
-      for crate in gstreamer* gstreamer-gl/{egl,wayland,x11}; do
-        echo '-->' $crate
-        ./checker/check_init_asserts $crate
-      done
-    - git diff --exit-code
+    - python3 ci/gir-checks.py
 
 outdated:
   extends: .img-stable

ci/gir-checks.py

@@ -0,0 +1,42 @@
+from itertools import chain
+import os
+import sys
+from pathlib import Path as P
+from subprocess import check_call as exec
+
+NATIVE_CRATES = ["gstreamer-utils"]
+
+def git(*args):
+    exec(["git"] + list(args))
+
+def check_no_git_diff():
+    git("diff", "--exit-code")
+
+check_no_git_diff()
+git("clone", "--depth", "1", "https://github.com/gtk-rs/checker")
+check_no_git_diff()
+
+rootdir = P(".")
+checker_dir = P("checker")
+with (checker_dir / "Cargo.toml").open("a") as f:
+    f.write("[workspace]\n")
+
+check_no_git_diff()
+exec(['cargo', 'build', '--locked', '--color=always', '--release'], cwd=checker_dir)
+check_no_git_diff()
+
+exec('cargo run --color=always --release -- ../gstreamer* ../gstreamer-gl/{egl,wayland,x11}', cwd=checker_dir, shell=True)
+
+gl_dir = rootdir / 'gstreamer-gl'
+for crate in chain(rootdir.glob('gstreamer*'), [gl_dir / 'egl', gl_dir / 'wayland', gl_dir / 'x11']):
+    # Ignore "native" crates
+    if crate.name in NATIVE_CRATES:
+        continue
+
+    print(f'--> Checking doc aliases in {crate.absolute()}')
+    exec(['python3', 'doc_aliases.py', crate.absolute()], cwd=checker_dir)
+
+    print(f'--> {crate.absolute()}')
+    exec(['./checker/check_init_asserts', crate.absolute()])
+
+check_no_git_diff()