[librsvg: 17/21] Add a devel-docs job to the CI

[Marge Bot <marge-bot src gnome org>]

commit 3cd6f9110c50bcd7f42f297de599b5902601ce34
Author: Federico Mena Quintero <federico gnome org>
Date:   Wed Aug 17 20:03:34 2022 -0500

    Add a devel-docs job to the CI
    
    Part-of: <https://gitlab.gnome.org/GNOME/librsvg/-/merge_requests/729>

 .gitlab-ci.yml       | 16 ++++++++++++++++
 ci/gen-devel-docs.sh |  7 +++++++
 2 files changed, 23 insertions(+)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 4c8a82d83..b44b28d18 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -397,6 +397,21 @@ reference:
     paths:
       - public
 
+devel-docs:
+  extends:
+    - '.container.opensuse@x86_64.stable'
+    - '.fdo.distribution-image@opensuse'
+    - '.cache'
+  stage: docs
+  needs:
+    - job: opensuse-container@x86_64.stable
+      artifacts: false
+  script:
+    - bash -x ./ci/gen-devel-docs.sh
+  artifacts:
+    paths:
+      - public
+
 pages:
   stage: docs
   extends:
@@ -406,6 +421,7 @@ pages:
   needs:
     - job: reference
     - job: coverage
+    - job: devel-docs
   script:
     - mkdir -p public/internals
     - cargo doc --document-private-items --no-deps
diff --git a/ci/gen-devel-docs.sh b/ci/gen-devel-docs.sh
new file mode 100644
index 000000000..dd2b011ad
--- /dev/null
+++ b/ci/gen-devel-docs.sh
@@ -0,0 +1,7 @@
+#!/bin/sh
+
+set -eu
+
+mkdir -p public/devel-docs
+sphinx-build devel-docs public/devel-docs
+