Use a separate icon for preview releases

crates/zed/Cargo.toml

@@ -123,8 +123,20 @@ env_logger = "0.9"
 serde_json = { version = "1.0", features = ["preserve_order"] }
 unindent = "0.1.7"
 
-[package.metadata.bundle]
-icon = ["app-icon@2x.png", "app-icon.png"]
+[package.metadata.bundle-dev]
+icon = ["resources/app-icon-preview@2x.png", "resources/app-icon-preview.png"]
+identifier = "dev.zed.Zed-Dev"
+name = "Zed Dev"
+osx_minimum_system_version = "10.15.7"
+
+[package.metadata.bundle-preview]
+icon = ["resources/app-icon-preview@2x.png", "resources/app-icon-preview.png"]
+identifier = "dev.zed.Zed-Preview"
+name = "Zed Preview"
+osx_minimum_system_version = "10.15.7"
+
+[package.metadata.bundle-stable]
+icon = ["resources/app-icon@2x.png", "resources/app-icon.png"]
 identifier = "dev.zed.Zed"
 name = "Zed"
 osx_minimum_system_version = "10.15.7"

script/bundle

@@ -22,7 +22,17 @@ echo "Compiling cli binary for x86_64-apple-darwin"
 cargo build --release --package cli --target x86_64-apple-darwin
 
 echo "Creating application bundle"
-(cd crates/zed && cargo bundle --release --target x86_64-apple-darwin)
+(
+    cd crates/zed
+    channel=$(cat RELEASE_CHANNEL)
+    cp Cargo.toml Cargo.toml.backup
+    sed \
+        -i .backup \
+        "s/package.metadata.bundle-${channel}/package.metadata.bundle/" \
+        Cargo.toml
+    cargo bundle --release --target x86_64-apple-darwin
+    mv Cargo.toml.backup Cargo.toml
+)
 
 echo "Creating fat binaries"
 lipo \