ci: check for typos

https://github.com/crate-ci/typos is quite nice, and is even written in Rust.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/-/merge_requests/1246>

.gitlab-ci.yml

@@ -387,6 +387,15 @@ check commits:
     - job: 'build-stable'
       artifacts: false
 
+typos:
+  extends: .img-stable
+  stage: "lint"
+  script:
+    - typos
+  needs:
+    - job: 'build-stable'
+      artifacts: false
+
 clippy:
   extends: .img-stable
   stage: 'extras'

ci/images_template.yml

@@ -1,4 +1,4 @@
 variables:
-  GST_RS_IMG_TAG: '2023-04-06.0'
+  GST_RS_IMG_TAG: "2023-04-76.0"
-  GST_RS_STABLE: '1.68.2'
+  GST_RS_STABLE: "1.68.2"
-  GST_RS_MSRV: '1.66.0'
+  GST_RS_MSRV: "1.66.0"

ci/install-rust.sh

@@ -28,6 +28,7 @@ if [ "$RUST_IMAGE_FULL" = "1" ]; then
 
   cargo install --force cargo-deny
   cargo install --force cargo-outdated
+  cargo install --force typos-cli
 
   # Coverage tools
   rustup component add llvm-tools-preview

typos.toml

@@ -0,0 +1,31 @@
+[default.extend-words]
+gir = "gir"
+numer = "numer" # numerator
+inout = "inout"
+seeked = "seeked"
+BA = "BA" # sdp_message.rs
+UE = "UE" # rtsp-server-record.rs
+
+[default]
+extend-ignore-identifiers-re = [
+    "GST_MTS_TABLE_ID_14496_OBJET_DESCRIPTOR",
+    # gst_rtsp_media_factory_is_stop_on_disonnect
+    ".*is_stop_on_disonnect",
+    "ser_de", # gstreamer/CHANGELOG.md
+]
+
+[files]
+extend-exclude = [
+    # don't check dot and gir files
+    "*.gir",
+    "*.dot",
+    # don't check submodules
+    "gir/*",
+    "gir-files/*",
+    "gst-gir-files/*",
+    # versions.txt are generated and contain git hash objects
+    "versions.txt",
+    # can't fix typos in generated code as the typo is likely in the C API
+    "*/src/auto/*.rs",
+    "*/sys/src/lib.rs",
+]