more work

README.md

 # Build a Debian package using GitLab CI/CD
 
 TBD
+
+
+## Building for distributions
+
+If you are planning to upload the builds, yo uneed to do the builds
+separately
+
+1. Set `DEBIAN_DISTROS` to the distribution

debian/changelog

+test-package-build (5~sbp10+11) buster; urgency=medium
+
+  * backport to buster
+
+ -- Adam Henry Lewenberg <adamhl@stanford.edu>  Fri, 10 Dec 2021 09:21:31 -0800
+
 test-package-build (5) unstable; urgency=medium
 
   * More testing.

generate-yaml.sh

@@ -15,16 +15,48 @@ set -e
 # that is the used by a child pipline via a trigger. See the file
 # .gitlab-ci.yaml in this directory for an example.
 
-if [[ -z "$DEBIAN_DISTROS" ]]; then
-    DEBIAN_DISTROS="sid buster bullseye"
+# Define the current Debian distrubtion and codename mappings.
+declare -A release_to_suite
+release_to_suite['bullseye']='stable'
+release_to_suite['buster']='oldstable'
+release_to_suite['stretch']='oldoldstable'
+
+declare -A release_to_number
+release_to_number['stretch']='9'
+release_to_number['buster']='10'
+release_to_number['bullseye']='11'
+
+if [[ -z "$DEBIAN_RELEASES" ]]; then
+    DEBIAN_RELEASES="sid buster bullseye"
 fi
 
 cat header.yml
 
-for DISTRO in $DEBIAN_DISTROS
+# Generate the "stages" section so that the builds
+# run serially. This is not a technical requirement, rather
+# it is being polite so we don't hog the build resources.
+echo "stages:"
+for RELEASE in $DEBIAN_RELEASES
+do
+    echo "- $RELEASE"
+done
+echo
+
+for RELEASE in $DEBIAN_RELEASES
 do
+    if [[ "$RELEASE" == "sid" ]]; then
+        DCH_COMMAND="echo 'skipping dch since this is build for unstable (sid)'"
+    else
+        message="Stanford backport to $RELEASE."
+        relnumber=${release_to_number[$RELEASE]}
+        suite=${release_to_suite[$RELEASE]}
+        localver="~sbp$relnumber+1"
+        DCH_COMMAND="dch --local=$localver --distribution=$suite '$message'"
+    fi
+
     cat gitlab-ci.yml.template \
-        | sed "s/%%DEBIAN_DISTRIBUTION%%/$DISTRO/g" \
+        | sed "s/%%DEBIAN_RELEASE%%/$RELEASE/g" \
+        | sed "s/%%DCH_COMMAND%%/$DCH_COMMAND/g" \
         | sed "s/%%DPUT_HOST%%/$DPUT_HOST/g"
     echo
 done

gitlab-ci.yml.template

-# Build a %%DEBIAN_DISTRIBUTION%% Debian package.
+# Build a %%DEBIAN_RELEASE%% Debian package.
 # We create the directory build-area/ to put the Debian build output.
-build-debian-package-%%DEBIAN_DISTRIBUTION%%:
+build-debian-package-%%DEBIAN_RELEASE%%:
+  stage: %%DEBIAN_RELEASE%%
   image:
-    name: $DOCKER_DEB_PACKAGE_BUILDER:%%DEBIAN_DISTRIBUTION%%
+    name: $DOCKER_DEB_PACKAGE_BUILDER:%%DEBIAN_RELEASE%%
     entrypoint: ["/bin/bash"]
   script:
-    - echo $SSH_PRIVATE_KEY_PATH
     - echo "fixing permissions on private key file..."
     - chmod 600 $SSH_PRIVATE_KEY_PATH
     - ls -l $SSH_PRIVATE_KEY_PATH
+    - echo "adding backport changelog entry"
+    - %%DCH_COMMAND%%
     - ls -lrta ..
     - pwd
     - ls -lrta