Replace the sketch with the current code

.github/actions/FFmpeg/action.yml

@@ -2,26 +2,79 @@ name: 'FFmpeg Builds'
 description: 'Use GitHub CLI & API to retrieve information about FFmpeg Build releases.'
 
 inputs:
-  who-to-greet:  # id of input
-    description: 'Who to greet'
-    required: false
-    default: 'World'
+  token:
+    required: true
+    default: ${{ secrets.GITHUB_TOKEN }}
+    description: |
+      GH_TOKEN for GitHub CLI to use.
+      Default: $${{ secrets.GITHUB_TOKEN }}
+  num-assets:
+    required: true
+    default: '25'
+    description: |
+      The number of assets (attached files) to retrieve from each release.
+      Default: 25
+  num-releases:
+    required: true
+    default: '35'
+    description: |
+      The number of releases to retrieve from the repository.
+      Default: 35
+  repository_owner:
+    required: true
+    default: 'yt-dlp'
+    description: |
+      The name of the user or organization that owns the repository.
+      Default: 'yt-dlp'
+  repository_name:
+    required: true
+    default: 'FFmpeg-Builds'
+    description: |
+      Which repository from the owner to search for releases.
+      Default: 'FFmpeg-Builds'
 
 outputs:
-  random-number:
-    description: "Random number"
-    value: ${{ steps.first.outputs.random-number }}
+  releases:
+    value: ${{ steps.set.outputs.releases }}
+    description: 'Generated JSON describing the released builds.'
 
 runs:
   using: 'composite'
   steps:
-    - name: First step
-      id: 'first'
+    - name: Retrieve releases
+      id: 'set'
       env:
-        INPUT_WHO_TO_GREET: ${{ inputs.who-to-greet }}
+        GH_TOKEN: '${{ inputs.token }}'
+        GH_API_GQL_ASSETS: '${{ inputs.num-assets }}'
+        GH_API_GQL_RELEASES: '${{ inputs.num-releases }}'
+        GH_API_GQL_OWNER: '${{ inputs.repository_owner }}'
+        GH_API_GQL_REPO: '${{ inputs.repository_name }}'
       shell: 'bash'
       run: |
-        echo 'It worked!'
-        echo "random-number=${RANDOM}" >> "${GITHUB_OUTPUT}"
-        ls -al '${{ github.action_path }}'
-        echo "Hello ${INPUT_WHO_TO_GREET}."
+        command -v gh
+        command -v jq
+        gql_query='query($repo: String!, $owner: String!, $releases: Int!, $assets: Int!) { repository(owner: $owner, name: $repo) { releases(first: $releases, orderBy: { field: CREATED_AT, direction: DESC }) { nodes { tagName, isDraft, isPrerelease, isLatest, tag { name, target { oid, commitUrl } }, releaseAssets(first: $assets) { totalCount, nodes { name, size, downloadUrl } } } } } }' ;
+        gql_jq='[ .data.repository.releases.nodes[] | select((.isLatest or .isDraft or .isPrerelease) | not) | { "tag": .tag.name, "commit": .tag.target.oid, "date": .tag.name[1+(.tag.name|index("-")):], "assets": { "limit": '"${GH_API_GQL_ASSETS}"', "totalCount": .releaseAssets.totalCount }, "files": .releaseAssets.nodes, "versions": [ .releaseAssets.nodes[].name | select(contains("-linux64-"))[1+index("-"):index("-linux64-")] ] } ]' ;
+        mk_delim() { printf -- '"%s_EOF_%d_"' "$1" "${RANDOM}" ; } ;
+        open_ml_var() { local f=''\%'s<<'\%'s\n' ; printf -- "${f}" "$2" "$1" ; } ;
+        close_ml_var() { local f='%s\n' ; printf -- "${f}" "$1" ; } ;
+        {
+          var='releases' ;
+          delim="$(mk_delim "${var}")" ;
+          open_ml_var "${delim}" "${var}" ;
+          gh api graphql --cache 12h \
+            -F assets="${GH_API_GQL_ASSETS}" \
+            -F owner="${GH_API_GQL_OWNER}" \
+            -F repo="${GH_API_GQL_REPO}" \
+            -F releases="${GH_API_GQL_RELEASES}" \
+            -f query="${gql_query}" --jq "${gql_jq}" ;
+          close_ml_var "${delim}" "${var}" ;
+          unset -v delim jq_arg var ;
+        } >> "${GITHUB_OUTPUT}" ;
+        # Log the human version
+        gh api graphql --cache 12h \
+          -F assets="${GH_API_GQL_ASSETS}" \
+          -F owner="${GH_API_GQL_OWNER}" \
+          -F repo="${GH_API_GQL_REPO}" \
+          -F releases="${GH_API_GQL_RELEASES}" \
+          -f query="${gql_query}" --jq "${gql_jq}" | jq '.[]' -- ;