ci: linux signing key gen

Author: abose

.github/workflows/tauri-build-dev.yml

@@ -311,8 +311,12 @@ jobs:
           sudo mv minisign-linux/x86_64/minisign /usr/local/bin/
           minisign -v
 
-          # Write private key to temp file
-          echo "$TAURI_PRIVATE_KEY" > /tmp/tauri_private.key
+          # Decode base64-encoded private key
+          echo "$TAURI_PRIVATE_KEY" | base64 -d > /tmp/tauri_private.key
+
+          # Debug: show key file info (not contents)
+          echo "Key file size: $(wc -c < /tmp/tauri_private.key) bytes"
+          echo "Key file lines: $(wc -l < /tmp/tauri_private.key)"
 
           # Sign the AppImage
           APPIMAGE_PATH="./src-electron/dist/${{ env.OUTPUT_FILENAME }}"

.github/workflows/tauri-build-prod.yml

@@ -360,8 +360,12 @@ jobs:
           sudo mv minisign-linux/x86_64/minisign /usr/local/bin/
           minisign -v
 
-          # Write private key to temp file
-          echo "$TAURI_PRIVATE_KEY" > /tmp/tauri_private.key
+          # Decode base64-encoded private key
+          echo "$TAURI_PRIVATE_KEY" | base64 -d > /tmp/tauri_private.key
+
+          # Debug: show key file info (not contents)
+          echo "Key file size: $(wc -c < /tmp/tauri_private.key) bytes"
+          echo "Key file lines: $(wc -l < /tmp/tauri_private.key)"
 
           # Sign the AppImage
           APPIMAGE_PATH="./src-electron/dist/${{ env.OUTPUT_FILENAME }}"

.github/workflows/tauri-build-staging.yml

@@ -311,8 +311,12 @@ jobs:
           sudo mv minisign-linux/x86_64/minisign /usr/local/bin/
           minisign -v
 
-          # Write private key to temp file
-          echo "$TAURI_PRIVATE_KEY" > /tmp/tauri_private.key
+          # Decode base64-encoded private key
+          echo "$TAURI_PRIVATE_KEY" | base64 -d > /tmp/tauri_private.key
+
+          # Debug: show key file info (not contents)
+          echo "Key file size: $(wc -c < /tmp/tauri_private.key) bytes"
+          echo "Key file lines: $(wc -l < /tmp/tauri_private.key)"
 
           # Sign the AppImage
           APPIMAGE_PATH="./src-electron/dist/${{ env.OUTPUT_FILENAME }}"