32 lines
1022 B
Rust
32 lines
1022 B
Rust
//! This executable defines the `cargo xtask` subcommands.
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//!
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//! At the moment it is very simple, but if this grows more subcommands then
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//! it will be sensible to use `clap` or another similar library.
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use std::env;
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use std::fs::File;
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use std::io::Write;
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use std::path::PathBuf;
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pub fn main() -> anyhow::Result<()> {
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let arg = env::args().nth(1);
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match arg.as_deref() {
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Some("codegen") => codegen(),
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Some(arg) => anyhow::bail!("unknown xtask {}", arg),
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_ => anyhow::bail!("unknown xtask"),
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}
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}
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/// `cargo xtask codegen`
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///
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/// This uses ffizz-header to generate `lib/taskchampion.h`.
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fn codegen() -> anyhow::Result<()> {
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let manifest_dir = PathBuf::from(env::var("CARGO_MANIFEST_DIR").unwrap());
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let workspace_dir = manifest_dir.parent().unwrap();
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let lib_crate_dir = workspace_dir.join("lib");
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let mut file = File::create(lib_crate_dir.join("taskchampion.h")).unwrap();
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write!(&mut file, "{}", ::taskchampion_lib::generate_header()).unwrap();
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Ok(())
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}
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