From 1b139d6f59e74e64fa1b3b1f5d7bcae86a81e06c Mon Sep 17 00:00:00 2001
From: fuse314 <github@gma.name>
Date: Fri, 5 Dec 2025 21:57:04 +0000
Subject: [PATCH] feat: rename download-filter to download-pattern, implement
 pattern matching and improve action output

---
 README.md          |  2 +-
 action.yml         |  6 +++---
 forgejo-release.sh | 47 +++++++++++++++++++++++++++++-----------------
 3 files changed, 34 insertions(+), 21 deletions(-)

diff --git a/README.md b/README.md
index 7bfd8d6..fd1b669 100644
--- a/README.md
+++ b/README.md
@@ -23,7 +23,7 @@ Upload or download the assets of a release to a Forgejo instance.
 | `gpg-passphrase` | <p>Passphrase of the GPG Private Key</p> | `false` | `""` |
 | `download-retry` | <p>Number of times to retry if the release is not ready (default 1)</p> | `false` | `""` |
 | `download-latest` | <p>Download the latest release</p> | `false` | `false` |
-| `download-filter` | <p>Filter assets to download by name (Comma-separated values, e.g. `file1.htm,file3.css`)</p> | `false` | `""` |
+| `download-pattern` | <p>Only download assets with matching names, e.g. `file1.htm style*.css` (default empty: download all assets)</p> | `false` | `""` |
 | `verbose` | <p>Increase the verbosity level</p> | `false` | `false` |
 | `override` | <p>Override an existing release by the same <code>{tag}</code></p> | `false` | `false` |
 | `prerelease` | <p>Mark Release as Pre-Release</p> | `false` | `false` |
diff --git a/action.yml b/action.yml
index 1cbf54e..08acd7f 100644
--- a/action.yml
+++ b/action.yml
@@ -38,8 +38,8 @@ inputs:
   download-latest:
     description: 'Download the latest release'
     default: false
-  download-filter:
-    description: 'Filter assets to download by name (Comma-separated values, e.g. `file1.htm,file3.css`)'
+  download-pattern:
+    description: 'Only download assets with matching names, e.g. `file1.htm style*.css` (default empty: download all assets)'
   verbose:
     description: 'Increase the verbosity level'
     default: false
@@ -82,7 +82,7 @@ runs:
         export TITLE="${{ inputs.title }}"
 
         export DOWNLOAD_LATEST="${{ inputs.download-latest }}"
-        export DOWNLOAD_FILTER="${{ inputs.download-filter }}"
+        export DOWNLOAD_PATTERN="${{ inputs.download-pattern }}"
 
         export PRERELEASE="${{ inputs.prerelease }}"
 
diff --git a/forgejo-release.sh b/forgejo-release.sh
index 30dfd3f..a39b7e1 100755
--- a/forgejo-release.sh
+++ b/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
     )
 }