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rage: Build shell completions in a build script
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,82 @@ | ||
| use std::env; | ||
| use std::fs; | ||
| use std::io; | ||
| use std::path::Path; | ||
| use std::path::PathBuf; | ||
|
|
||
| use clap::{Command, CommandFactory, ValueEnum}; | ||
| use clap_complete::{generate_to, Shell}; | ||
|
|
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| mod i18n { | ||
| include!("src/bin/rage/i18n.rs"); | ||
| } | ||
| mod rage { | ||
| include!("src/bin/rage/cli.rs"); | ||
| } | ||
| mod rage_keygen { | ||
| include!("src/bin/rage-keygen/cli.rs"); | ||
| } | ||
| mod rage_mount { | ||
| include!("src/bin/rage-mount/cli.rs"); | ||
| } | ||
|
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| #[macro_export] | ||
| macro_rules! fl { | ||
| ($message_id:literal) => {{ | ||
| i18n_embed_fl::fl!($crate::i18n::LANGUAGE_LOADER, $message_id) | ||
| }}; | ||
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| ($message_id:literal, $($args:expr),* $(,)?) => {{ | ||
| i18n_embed_fl::fl!($crate::i18n::LANGUAGE_LOADER, $message_id, $($args), *) | ||
| }}; | ||
| } | ||
|
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| #[derive(Clone)] | ||
| struct Cli { | ||
| rage: Command, | ||
| rage_keygen: Command, | ||
| rage_mount: Command, | ||
| } | ||
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| impl Cli { | ||
| fn build() -> Self { | ||
| Self { | ||
| rage: rage::AgeOptions::command(), | ||
| rage_keygen: rage_keygen::AgeOptions::command(), | ||
| rage_mount: rage_mount::AgeMountOptions::command(), | ||
| } | ||
| } | ||
|
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| fn generate_completions(&mut self, out_dir: &Path) -> io::Result<()> { | ||
| fs::create_dir_all(out_dir)?; | ||
|
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| for &shell in Shell::value_variants() { | ||
| generate_to(shell, &mut self.rage, "rage", out_dir)?; | ||
| generate_to(shell, &mut self.rage_keygen, "rage-keygen", out_dir)?; | ||
| generate_to(shell, &mut self.rage_mount, "rage-mount", out_dir)?; | ||
| } | ||
|
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| Ok(()) | ||
| } | ||
| } | ||
|
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| fn main() -> io::Result<()> { | ||
| i18n::load_languages(); | ||
|
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| // `OUT_DIR` is "intentionally opaque as it is only intended for `rustc` interaction" | ||
| // (https://github.com/rust-lang/cargo/issues/9858). Peek into the black box and use | ||
| // it to figure out where the target directory is. | ||
| let out_dir = match env::var_os("OUT_DIR") { | ||
| None => return Ok(()), | ||
| Some(out_dir) => PathBuf::from(out_dir) | ||
| .ancestors() | ||
| .nth(3) | ||
| .expect("should be absolute path") | ||
| .to_path_buf(), | ||
| }; | ||
|
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| let mut cli = Cli::build(); | ||
| cli.generate_completions(&out_dir.join("completions"))?; | ||
|
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| Ok(()) | ||
| } |
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