danvics/oxipng
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Generate man pages to non-Cargo directory

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This is much less fragile than messing with `OUT_DIR`, whose location
relative to the `target` directory is purposefully underspecified.
This commit is contained in:
Alejandro González 2024-03-18 11:57:53 +01:00
parent 64e1a04c40
commit d7f6757a78
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3 changed files with 13 additions and 13 deletions
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1
.gitignore vendored
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@ -4,3 +4,4 @@ target
*.out.png
/.idea
/node_modules
/generated

2
Cargo.toml
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@ -104,7 +104,7 @@ panic = "abort"
[package.metadata.deb]
assets = [
["target/release/oxipng", "usr/bin/", "755"],
["target/assets/oxipng.1", "usr/share/man/man1/", "644"],
["generated/assets/oxipng.1", "usr/share/man/man1/", "644"],
["README.md", "usr/share/doc/oxipng/", "644"],
["CHANGELOG.md", "usr/share/doc/oxipng/", "644"],
]

23
build.rs
View file

@ -1,5 +1,11 @@
use std::{
env,
fs::File,
io::{BufWriter, Error},
path::Path,
};
use clap_mangen::Man;
use std::{env, fs::File, io::Error, path::Path};
include!("src/cli.rs");
@ -7,7 +13,7 @@ fn build_manpages(outdir: &Path) -> Result<(), Error> {
let app = build_command();
let file = Path::new(&outdir).join("oxipng.1");
let mut file = File::create(file)?;
let mut file = BufWriter::new(File::create(file)?);
Man::new(app).render(&mut file)?;
@ -16,17 +22,10 @@ fn build_manpages(outdir: &Path) -> Result<(), Error> {
fn main() -> Result<(), Error> {
println!("cargo:rerun-if-changed=src/cli.rs");
println!("cargo:rerun-if-changed=man");
println!("cargo:rerun-if-changed=src/display_chunks.rs");
let outdir = match env::var_os("OUT_DIR") {
None => return Ok(()),
Some(outdir) => outdir,
};
// Create `target/assets/` folder.
let out_path = PathBuf::from(outdir);
let mut path = out_path.ancestors().nth(4).unwrap().to_owned();
path.push("assets");
// Create `generated/assets/` folder.
let path = env::current_dir()?.join("generated").join("assets");
std::fs::create_dir_all(&path).unwrap();
build_manpages(&path)?;