Automatic workflow to update yandex-music ebuild

.gitea/actions/drop-ebuilds-matching/Dockerfile

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+FROM gentoo/portage:latest as portage
+FROM gentoo/stage3:amd64-openrc
+COPY --from=portage /var/db/repos/gentoo /var/db/repos/gentoo
+RUN emerge -q app-portage/portage-utils && rm -Rf /var/db/repos/gentoo
+ENTRYPOINT [ "/bin/bash" ]

.gitea/actions/drop-ebuilds-matching/action.yml

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+name: "Drop ebuilds matching the condition"
+description: "Checks if any ebuild for the package matches the condition and if so - removes them"
+inputs:
+  atom:
+    description: "category/name package atom"
+    required: true
+  condition:
+    description: "version condition used to match ebuilds to drop"
+    required: true
+outputs:
+  message:
+    description: "space-separated list of removed ebuild versions"
+runs:
+  using: docker
+  image: Dockerfile
+  args:
+    - -c
+    - |
+      set -euo pipefail
+      condition_atom=$(echo "${{inputs.condition}}" | sed -r 's:^(<|>)=?:\0${{inputs.atom}}-:')
+      existing_ebuilds=( "./${{inputs.atom}}"/*.ebuild )
+      category=$(dirname "${{inputs.atom}}")
+      message=""
+      for ebuild in ${existing_ebuilds[@]}; do
+        p="=${category}/$(basename "${ebuild%.*}")"
+        echo "Checking ${p} vs ${condition_atom}"
+        if qatom -qc "${p}" "${condition_atom}" | grep -cq '=='; then
+          echo "Removing ${ebuild}"
+          rm -f "${ebuild}"
+          if [[ -z "${message}" ]]; then
+            message="drop"
+          fi
+          message="${message} `qatom -F '%{PV}' "${p}"`"
+        fi;
+      done;
+      echo "message=${message}" >> "${GITHUB_OUTPUT}"