diff options
Diffstat (limited to 'nixpkgs/pkgs/development/compilers/flutter/versions/3_19/patches/gradle-flutter-tools-wrapper.patch')
-rw-r--r-- | nixpkgs/pkgs/development/compilers/flutter/versions/3_19/patches/gradle-flutter-tools-wrapper.patch | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/compilers/flutter/versions/3_19/patches/gradle-flutter-tools-wrapper.patch b/nixpkgs/pkgs/development/compilers/flutter/versions/3_19/patches/gradle-flutter-tools-wrapper.patch new file mode 100644 index 000000000000..de6080efbba8 --- /dev/null +++ b/nixpkgs/pkgs/development/compilers/flutter/versions/3_19/patches/gradle-flutter-tools-wrapper.patch @@ -0,0 +1,44 @@ +This patch introduces an intermediate Gradle build step to alter the behavior +of flutter_tools' Gradle project, specifically moving the creation of `build` +and `.gradle` directories from within the Nix Store to somewhere in `$HOME/.cache/flutter/nix-flutter-tools-gradle/$engineShortRev`. + +Without this patch, flutter_tools' Gradle project tries to generate `build` and `.gradle` +directories within the Nix Store. Resulting in read-only errors when trying to build a +Flutter Android app at runtime. + +This patch takes advantage of the fact settings.gradle takes priority over settings.gradle.kts to build the intermediate Gradle project +when a Flutter app runs `includeBuild("${settings.ext.flutterSdkPath}/packages/flutter_tools/gradle")` + +`rootProject.buildFileName = "/dev/null"` so that the intermediate project doesn't use `build.gradle.kts` that's in the same directory. + +The intermediate project makes a `settings.gradle` file in `$HOME/.cache/flutter/nix-flutter-tools-gradle/<short engine rev>/` and `includeBuild`s it. +This Gradle project will build the actual `packages/flutter_tools/gradle` project by setting +`rootProject.projectDir = new File("$settingsDir")` and `apply from: new File("$settingsDir/settings.gradle.kts")`. + +Now the `.gradle` will be built in `$HOME/.cache/flutter/nix-flutter-tools-gradle/<short engine rev>/`, but `build` doesn't. +To move `build` to `$HOME/.cache/flutter/nix-flutter-tools-gradle/<short engine rev>/` as well, we need to set `buildDirectory`. +diff --git a/packages/flutter_tools/gradle/settings.gradle b/packages/flutter_tools/gradle/settings.gradle +new file mode 100644 +index 0000000000..b2485c94b4 +--- /dev/null ++++ b/packages/flutter_tools/gradle/settings.gradle +@@ -0,0 +1,19 @@ ++rootProject.buildFileName = "/dev/null" ++ ++def engineShortRev = (new File("$settingsDir/../../../bin/internal/engine.version")).text.take(10) ++def dir = new File("$System.env.HOME/.cache/flutter/nix-flutter-tools-gradle/$engineShortRev") ++dir.mkdirs() ++def file = new File(dir, "settings.gradle") ++ ++file.text = """ ++rootProject.projectDir = new File("$settingsDir") ++apply from: new File("$settingsDir/settings.gradle.kts") ++ ++gradle.allprojects { project -> ++ project.beforeEvaluate { ++ project.layout.buildDirectory = new File("$dir/build") ++ } ++} ++""" ++ ++includeBuild(dir) |