feat: rename download-filter to download-pattern, implement pattern matching and improve action output

forgejo-release.sh

@@ -10,7 +10,7 @@ if ${VERBOSE:-false}; then set -x; fi
 : ${TITLE:=$TAG}
 : ${RELEASE_DIR:=dist/release}
 : ${DOWNLOAD_LATEST:=false}
-: ${DOWNLOAD_FILTER:=''}
+: ${DOWNLOAD_PATTERN:=''}
 : ${TMP_DIR:=$(mktemp -d)}
 : ${GNUPGHOME:=$TMP_DIR}
 : ${TEA_BIN:=$TMP_DIR/tea}
@@ -20,8 +20,6 @@ if ${VERBOSE:-false}; then set -x; fi
 : ${RETRY:=1}
 : ${DELAY:=10}
 
-IFS=',' read -a DL_FILTER <<< "$DOWNLOAD_FILTER"
-
 RELEASE_NOTES_ASSISTANT_VERSION=v1.4.1 # renovate: datasource=forgejo-releases depName=forgejo/release-notes-assistant registryUrl=https://code.forgejo.org
 
 TAG_FILE="$TMP_DIR/tag$$.json"
@@ -205,18 +203,37 @@ wait_release() {
     fi
 }
 
+download_asset() {
+    name="$1"
+    url="$2"
+
+    echo "Downloading asset $name"
+    curl --fail -s -H "Authorization: token $TOKEN" -o "$name" -L "$url"
+}
+
 maybe_download() {
-    if (( ${#DL_FILTER[@]} == 0 )); then
-        return 0
+    name="$1"
+    url="$2"
+
+    downloaded=1
+    if [ -z "$DOWNLOAD_PATTERN" ]; then
+        download_asset "$@"
+        downloaded=0
     else
-        for flt in "${DL_FILTER[@]}"
-        do
-            if [[ "$flt" == "$1" ]]; then
-                return 0
-            fi
+        for pattern in $DOWNLOAD_PATTERN; do
+            case "$name" in
+                $pattern)
+                    if [ $downloaded == 1 ]; then
+                        download_asset "$@"
+                        downloaded=0
+                    fi
+                    ;;
+            esac
         done
     fi
-    return 1
+    if [ $downloaded == 1 ]; then
+        echo "Ignoring asset $name - no matching download-pattern."
+    fi
 }
 
 download() {
@@ -233,12 +250,8 @@ download() {
             api GET repos/$REPO/releases/tags/"$TAG_URL" >"$TMP_DIR"/assets.json
         fi
         jq --raw-output '.assets[] | "\(.browser_download_url) \(.name)"' <"$TMP_DIR"/assets.json | while read url name; do # `name` may contain whitespace, therefore, it must be last
-            if maybe_download "$name" ; then
-                url=$(echo "$url" | sed "s#/download/${TAG}/#/download/${TAG_URL}/#")
-                curl --fail -H "Authorization: token $TOKEN" -o "$name" -L "$url"
-            else
-                echo "Ignoring $name due to filter."
-            fi
+            url=$(echo "$url" | sed "s#/download/${TAG}/#/download/${TAG_URL}/#")
+            maybe_download "$name" "$url"
         done
     )
 }