add override param, refs #5

Signed-off-by: morph027 <stefan.heitmueller@gmx.com>

README.md

@@ -21,6 +21,7 @@ Can be deployed to GH pages using [upload-pages-artifact](https://github.com/act
 | `import-from-repo-url` | `false` | `n/a` | Import existing packages from this repo url. Workaround for immutable GH actions cache. |
 | `maintainer` | `false` | `apt-repo-action@${GITHUB_REPOSITORY_OWNER}` | Package maintainer for keyring package. |
 | `homepage` | `false` | `${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY}` | Homepage for keyring package. |
+| `override` | `false` | `n/a` | Optional override file (see [man page](https://manpages.debian.org/unstable/reprepro/reprepro.1.en.html#OVERRIDE_FILES)) |
 
 ## Outputs
 

action.yml

@@ -63,6 +63,9 @@ inputs:
     description: >-
       Homepage for keyring package.
       If unset, defaults to ${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY}
+  override:
+    description: >-
+      Optional override file (see [man page](https://manpages.debian.org/unstable/reprepro/reprepro.1.en.html#OVERRIDE_FILES))
 outputs:
   dir:
     description: >-
@@ -118,3 +121,4 @@ runs:
         SIGNING_KEY: ${{ inputs.signing-key }}
         MAINTAINER: ${{ inputs.maintainer }}
         HOMEPAGE: ${{ inputs.homepage }}
+        OVERRIDE: ${{ inputs.override }}

repo.sh

@@ -20,6 +20,8 @@ architectures="${ARCHITECTURES:-amd64}"
 limit="${LIMIT:-0}"
 maintainer="${MAINTAINER:-apt-repo-action@${GITHUB_REPOSITORY_OWNER}}"
 homepage="${HOMEPAGE:-${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY}}"
+# shellcheck disable=SC2153
+override="${OVERRIDE}"
 reprepro_basedir="reprepro -b ${tmpdir}/.repo/${repo_name}"
 reprepro="${reprepro_basedir} -C ${components}"
 
@@ -70,8 +72,11 @@ else
         echo "Architectures: ${architectures}"
         echo "SignWith: ${fingerprints[*]}"
         echo "Limit: ${limit}"
-        echo ""
     ) >>"${tmpdir}/.repo/${repo_name}/conf/distributions"
+    if [[ -n "${override}" ]]; then
+        echo "DebOverride: ${override##*/}"
+        cp "${override}" "${tmpdir}/.repo/${repo_name}/conf/${override##*/}"
+    fi
 fi
 
 if ! grep -q "^Components:.*${components}" "${tmpdir}/.repo/${repo_name}/conf/distributions"; then