github: allow manual triggering of selected distributions [skip ci]

(cherry picked from commit e62bd17)

.github/workflows/github-packages.yml

@@ -6,6 +6,11 @@ on:
       - '5.*'
   # Allows you to run this workflow manually from the Actions tab
   workflow_dispatch:
+    inputs:
+      dists:
+        description: list of dists to build, coma separated. xenial,sid
+        required: false
+        type: string
 env:
   REGISTRY_NAME: ghcr.io
   IMAGE_NAME: kamailio
@@ -18,7 +23,7 @@ jobs:
       - id: set-matrix
         run: |
           sudo apt-get install jq
-          echo "matrix=$(bash get-all-dist.sh)" >> $GITHUB_OUTPUT
+          echo "matrix=$(bash get-all-dist.sh ${{ github.event.inputs.dists }})" >> $GITHUB_OUTPUT
     outputs:
       dist: ${{ steps.set-matrix.outputs.matrix }}
   docker:

get-all-dist.sh

@@ -1,4 +1,8 @@
 #!/bin/bash
-find . -name Dockerfile -exec dirname {} \; | \
-  grep -v -e 'stretch' -e 'bookworm' | \
-  jq -R . | sed 's#./##g' | jq -cs .
+if [ -n "${1}" ] ; then
+  echo "\"${1}\"" | jq -c 'split(",")'
+else
+  find . -name Dockerfile -exec dirname {} \; | \
+    grep -v -e 'stretch' | \
+    jq -R . | sed 's#./##g' | jq -cs .
+fi