1 files changed, 70 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/build-support/dart/build-dart-application/hooks/dart-config-hook.sh b/nixpkgs/pkgs/build-support/dart/build-dart-application/hooks/dart-config-hook.sh
new file mode 100644
index 000000000000..50754a7b56d4
--- /dev/null
+++ b/nixpkgs/pkgs/build-support/dart/build-dart-application/hooks/dart-config-hook.sh
@@ -0,0 +1,70 @@
+# shellcheck shell=bash
+
+dartConfigHook() {
+    echo "Executing dartConfigHook"
+
+    echo "Setting up SDK"
+    eval "$sdkSetupScript"
+
+    echo "Installing dependencies"
+    mkdir -p .dart_tool
+    cp "$packageConfig" .dart_tool/package_config.json
+
+    packagePath() {
+        jq --raw-output --arg name "$1" '.packages.[] | select(.name == $name) .rootUri | sub("file://"; "")' .dart_tool/package_config.json
+    }
+
+    # Runs a Dart executable from a package with a custom path.
+    #
+    # Usage:
+    # packageRunCustom <package> [executable] [bin_dir]
+    #
+    # By default, [bin_dir] is "bin", and [executable] is <package>.
+    # i.e. `packageRunCustom build_runner` is equivalent to `packageRunCustom build_runner build_runner bin`, which runs `bin/build_runner.dart` from the build_runner package.
+    packageRunCustom() {
+        local args=()
+        local passthrough=()
+
+        while [ $# -gt 0 ]; do
+            if [ "$1" != "--" ]; then
+                args+=("$1")
+                shift
+            else
+                shift
+                passthrough=("$@")
+                break
+            fi
+        done
+
+        local name="${args[0]}"
+        local path="${args[1]:-$name}"
+        local prefix="${args[2]:-bin}"
+
+        dart --packages=.dart_tool/package_config.json "$(packagePath "$name")/$prefix/$path.dart" "${passthrough[@]}"
+    }
+
+    # Runs a Dart executable from a package.
+    #
+    # Usage:
+    # packageRun <package> [-e executable] [...]
+    #
+    # To run an executable from an unconventional location, use packageRunCustom.
+    packageRun() {
+        local name="$1"
+        shift
+
+        local executableName="$name"
+        if [ "$1" = "-e" ]; then
+          shift
+          executableName="$1"
+          shift
+        fi
+
+        fileName="$(@yq@ --raw-output --arg name "$executableName" '.executables.[$name] // $name' "$(packagePath "$name")/pubspec.yaml")"
+        packageRunCustom "$name" "$fileName" -- "$@"
+    }
+
+    echo "Finished dartConfigHook"
+}
+
+postConfigureHooks+=(dartConfigHook)