ci: update readme (and pipeline)

rust-bindings/rust/.ci/gitlab-ci-base.yml

@@ -9,9 +9,8 @@
     paths:
       - cargo/
       - sccache/
-  before_script:
-    - curl -L "${SCCACHE_URL}" | tar -C /usr/bin/ -xz --wildcards --strip-components=1 '*/sccache'
 
+# config with sccache based on Fedora Rawhide, i.e. very recent libostree
 .fedora-ostree-devel:
   image: fedora:rawhide
   extends: .sccache
@@ -19,6 +18,7 @@
     - dnf install -y cargo rust ostree-devel
     - curl -L "${SCCACHE_URL}" | tar -C /usr/bin/ -xz --wildcards --strip-components=1 '*/sccache'
 
+# config with sccache based on Rust image, i.e. older libostree but shorter setup and rustup access
 .rust-ostree-devel:
   image: rust
   extends: .sccache

rust-bindings/rust/.gitlab-ci.yml

@@ -55,7 +55,7 @@ build_aarch64:
 # docs
 pages:
   stage: publish
-  extends: .sccache
+  extends: .rust-ostree-devel
   image: rustlang/rust:nightly
   variables:
     RUSTDOCFLAGS: >-

rust-bindings/rust/Makefile

@@ -48,12 +48,3 @@ gir-files:
 gir-files/OSTree-1.0.gir:
 	echo Best to build libostree with all features and use that
 	exit 1
-
-
-# CI config generation
-ci-build-stages:
-	@for tgt in `cargo read-manifest | jq -jr '.features | keys | map(select(. != "dox")) | map(. + " ") | .[]'`; do \
-  		echo "build_$$tgt:"; \
-  		echo "  stage: build"; \
-  		echo "  script: cargo test --verbose --workspace --features $$tgt"; \
-  	done

rust-bindings/rust/README.md

@@ -20,12 +20,17 @@ bindings. These will most likely be added on an as-needed basis.
 
 ### Requirements
 The `ostree` crate requires libostree and the libostree development headers.
-On Debian/Ubuntu, they can be installed with:
 
+On Debian and Ubuntu:
 ```ShellSession
 $ sudo apt-get install libostree-1 libostree-dev
 ```
 
+On Fedora and CentOS:
+```ShellSession
+$ sudo dnf install ostree-libs ostree-devel
+```
+
 ### Installing
 To use the crate, add it to your `Cargo.toml`:
 
@@ -63,7 +68,7 @@ $ make update-gir-files
 ```
 
 The `OSTree-1.0.gir` file needs to be updated manually, either from a recent
-Debian package (`libostree-dev`) or by building from source.
+distribution package or by building from source.
 
 ### Documentation
 The libostree API documentation is not included in the code by default because
@@ -85,11 +90,11 @@ CI includes the LGPL docs in the documentation build.
 ### Updating ostree
 * update the bundled `gir/OSTree-1.0.gir` file
 * `make gir` to regenerate the generated code
-* in `.gitlab-ci.yml`, update the "all feature levels" section with the output of `make ci-build-stages`
+* update the example feature level in `README.md` in case of a new feature level
 
 ### Releases
 Releases can be done using the publish_* jobs in the pipeline. There's no
-versioning helper yet so version bumps need to be done manually.
+versioning helper so version bumps need to be done manually.
 
 The version needs to be changed in the following places (if applicable):
 * in `sys/Cargo.toml` for the -sys crate version