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Make i-slint-compiler widget library inclusion Bazel sandbox friendly

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The cargo manifest path differs between the invocation of build.rs and rustc when compiling included_library.rs. Accomodate this by providing relative paths.
This commit is contained in:
Simon Hausmann 2025-01-04 12:04:35 +01:00 • committed by Simon Hausmann
parent 251bf2332c
commit 3bff12f092
1 changed files with 10 additions and 9 deletions
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19
internal/compiler/build.rs
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@ -1,15 +1,14 @@
// Copyright © SixtyFPS GmbH <info@slint.dev>
// SPDX-License-Identifier: GPL-3.0-only OR LicenseRef-Slint-Royalty-free-2.0 OR LicenseRef-Slint-Software-3.0
use std::fs::read_dir;
use std::io::{BufWriter, Write};
use std::path::{Path, PathBuf};
fn main() -> std::io::Result<()> {
println!("cargo:rustc-check-cfg=cfg(slint_debug_property)");
let mut library_dir = PathBuf::from(std::env::var_os("CARGO_MANIFEST_DIR").unwrap());
library_dir.push("widgets");
let cargo_manifest_dir = PathBuf::from(std::env::var_os("CARGO_MANIFEST_DIR").unwrap());
let library_dir = PathBuf::from("widgets");
println!("cargo:rerun-if-changed={}", library_dir.display());
@ -25,7 +24,7 @@ fn widget_library() -> &'static [(&'static str, &'static BuiltinDirectory<'stati
"#
)?;
for style in read_dir(library_dir)?.filter_map(Result::ok) {
for style in cargo_manifest_dir.join(&library_dir).read_dir()?.filter_map(Result::ok) {
if !style.file_type().map_or(false, |f| f.is_dir()) {
continue;
}
@ -34,7 +33,7 @@ fn widget_library() -> &'static [(&'static str, &'static BuiltinDirectory<'stati
file,
"(\"{}\", &[{}]),",
path.file_name().unwrap().to_string_lossy(),
process_style(&path)?
process_style(&cargo_manifest_dir, &path)?
)?;
}
@ -45,8 +44,10 @@ fn widget_library() -> &'static [(&'static str, &'static BuiltinDirectory<'stati
Ok(())
}
fn process_style(path: &Path) -> std::io::Result<String> {
let library_files: Vec<PathBuf> = read_dir(path)?
fn process_style(cargo_manifest_dir: &Path, path: &Path) -> std::io::Result<String> {
let library_files: Vec<PathBuf> = cargo_manifest_dir
.join(&path)
.read_dir()?
.filter_map(Result::ok)
.filter(|entry| {
entry.file_type().map_or(false, |f| !f.is_dir())
@ -68,9 +69,9 @@ fn process_style(path: &Path) -> std::io::Result<String> {
.iter()
.map(|file| {
format!(
"&BuiltinFile {{path: r#\"{}\"# , contents: include_bytes!(r#\"{}\"#)}}",
"&BuiltinFile {{path: r#\"{}\"# , contents: include_bytes!(concat!(env!(\"CARGO_MANIFEST_DIR\"), r#\"/{}\"#))}}",
file.file_name().unwrap().to_string_lossy(),
file.display()
file.strip_prefix(&cargo_manifest_dir).unwrap().display()
)
})
.collect::<Vec<_>>()