ci: Do not depend on rust nightly for docs generation

The rust-nightly Flatpak SDK extension is deprecated, and my attempts
to bundle it in a Flatpak manifest have failed.

This removes a few nice features like the index page, or types linking
to their docs in the corresponding crate's docs.

.gitlab-ci/publish_docs.yml

@@ -6,10 +6,6 @@ pages:
   tags:
     - flatpak
   script:
-    - flatpak install --user --noninteractive org.freedesktop.Sdk.Extension.rust-nightly//23.08
-    # We want to use rust-nightly to build the app, but mold is in rust-stable
-    - sed -i 's|"org.freedesktop.Sdk.Extension.rust-stable"|"org.freedesktop.Sdk.Extension.rust-stable","org.freedesktop.Sdk.Extension.rust-nightly"|g' ${MANIFEST_PATH}
-    - sed -i 's|:/usr/lib/sdk/rust-stable/bin|:/usr/lib/sdk/rust-nightly/bin|g' ${MANIFEST_PATH}
     - flatpak-builder --keep-build-dirs --user --disable-rofiles-fuse --stop-at=${FLATPAK_MODULE} flatpak_app --repo=repo ${BRANCH:+--default-branch=$BRANCH} ${MANIFEST_PATH}
     - echo "ninja src/doc" | flatpak-builder --disable-rofiles-fuse --build-shell=${FLATPAK_MODULE} flatpak_app ${MANIFEST_PATH}
     - mv .flatpak-builder/build/${FLATPAK_MODULE}/_flatpak_build/src/doc public

README.md

@@ -1,6 +1,6 @@
 [![Our chat room](https://img.shields.io/matrix/fractal-gtk:matrix.org?color=blue&label=%23fractal%3Agnome.org&logo=matrix)](https://matrix.to/#/#fractal:gnome.org)
 [![Our Gitlab project](https://img.shields.io/badge/gitlab.gnome.org%2F-World%2FFractal-green?logo=gitlab)](https://gitlab.gnome.org/World/fractal/)
-[![Our documentation](https://img.shields.io/badge/%F0%9F%95%AE-Docs-B7410E?logo=rust)](https://world.pages.gitlab.gnome.org/fractal/)
+[![Our documentation](https://img.shields.io/badge/%F0%9F%95%AE-Docs-B7410E?logo=rust)](https://world.pages.gitlab.gnome.org/fractal/fractal/index.html)
 [![Official package](https://img.shields.io/flathub/downloads/org.gnome.Fractal?logo=flathub)](https://flathub.org/apps/org.gnome.Fractal)
 
 # Fractal

src/meson.build

@@ -66,15 +66,15 @@ custom_target(
 )
 
 rustdoc_flags = ' '.join([
-  '-Zunstable-options',
-  '--enable-index-page',
-  '--extern-html-root-url=gio=https://gtk-rs.org/gtk-rs-core/stable/latest/docs/',
-  '--extern-html-root-url=glib=https://gtk-rs.org/gtk-rs-core/stable/latest/docs/',
-  '--extern-html-root-url=gsk4=https://gtk-rs.org/gtk4-rs/stable/latest/docs/',
-  '--extern-html-root-url=gdk4=https://gtk-rs.org/gtk4-rs/stable/latest/docs/',
-  '--extern-html-root-url=gtk4=https://gtk-rs.org/gtk4-rs/stable/latest/docs/',
-  '--extern-html-root-url=libadwaita=https://world.pages.gitlab.gnome.org/Rust/libadwaita-rs/stable/latest/docs/',
-  '--cfg=docsrs',
+# FIXME: Unstable features are disabled because we need Rust nightly
+#  '-Zunstable-options',
+#  '--enable-index-page',
+#  '--extern-html-root-url=gio=https://gtk-rs.org/gtk-rs-core/stable/latest/docs/',
+#  '--extern-html-root-url=glib=https://gtk-rs.org/gtk-rs-core/stable/latest/docs/',
+#  '--extern-html-root-url=gsk4=https://gtk-rs.org/gtk4-rs/stable/latest/docs/',
+#  '--extern-html-root-url=gdk4=https://gtk-rs.org/gtk4-rs/stable/latest/docs/',
+#  '--extern-html-root-url=gtk4=https://gtk-rs.org/gtk4-rs/stable/latest/docs/',
+#  '--extern-html-root-url=libadwaita=https://world.pages.gitlab.gnome.org/Rust/libadwaita-rs/stable/latest/docs/',
   '-Dwarnings',
 ])
 doc_env = ['RUSTDOCFLAGS=' + rustdoc_flags ]
@@ -103,6 +103,9 @@ custom_target(
     command: [
       'env', cargo_env + doc_env,
       cargo, 'doc',
-      cargo_options + doc_deps + ['--no-deps', '-Zrustdoc-map'] ,
+      cargo_options + doc_deps + [
+        '--no-deps',
+        #'-Zrustdoc-map'
+      ] ,
     ],
   )