try with configuring git

.github/workflows/update.yml

@@ -41,16 +41,20 @@ jobs:
             min-free = 1073741824
             max-free = 2147483648
             secret-key-files = /home/runner/work/capkgs/capkgs/hydra_key
-      - run: echo "${{secrets.NIX_SIGNING_KEY}}" > hydra_key
       - run: |
+          echo "${{secrets.NIX_SIGNING_KEY}}" > hydra_key
+          git config user.name github-actions
+          git config user.email github-actions@github.com
           nix develop \
           --ignore-environment \
           --keep AWS_ACCESS_KEY_ID \
           --keep AWS_SECRET_ACCESS_KEY \
           --keep S3_ENDPOINT \
+          --keep LOG_LEVEL \
           --command just ci
         env:
           AWS_ACCESS_KEY_ID: "${{secrets.AWS_ACCESS_KEY_ID}}"
           AWS_SECRET_ACCESS_KEY: "${{secrets.AWS_SECRET_ACCESS_KEY}}"
           S3_ENDPOINT: "${{secrets.S3_ENDPOINT}}"
-          NIX_SIGNING_KEY_FILE: "/home/runner/work/capkgs/capkgs/hydra_key"
+          NIX_SIGNING_KEY_FILE: "/home/runner/work/capkgs/capkgs/hydra_key"
+          LOG_LEVEL: "debug"

packages.cr

@@ -404,8 +404,10 @@ class CAPkgs
     def process(path, expect_json, command : String, *args)
       result =
         if File.file?(path)
+          Log.debug { "File exists: #{path}" }
           Result.from_json(File.read(path))
         else
+          Log.debug { "File create: #{path}" }
           sh(command, *args).tap { |r|
             File.write(path, r.to_pretty_json)
           }