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build.rs
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build.rs
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use std::fs::{copy, create_dir_all, OpenOptions};
use std::io::{Read, Seek, Write};
use clap_complete::{generate_to, shells};
include!("src/parser.rs");
fn main() {
println!("cargo:rerun-if-env-changed=src/parser.rs");
if std::env::var("DOCS_RS").is_ok() {
return; // only build when we're not generating docs
}
let outdir = "shell_completions";
let mut app = initialize();
generate_to(shells::Bash, &mut app, "feroxbuster", outdir).unwrap();
generate_to(shells::Zsh, &mut app, "feroxbuster", outdir).unwrap();
generate_to(shells::Zsh, &mut app, "feroxbuster", outdir).unwrap();
generate_to(shells::PowerShell, &mut app, "feroxbuster", outdir).unwrap();
generate_to(shells::Elvish, &mut app, "feroxbuster", outdir).unwrap();
// 0xdf pointed out an oddity when tab-completing options that expect file paths, the fix we
// landed on was to add -o plusdirs to the bash completion script. The following code aims to
// automate that fix and have it present in all future builds
let mut contents = String::new();
let mut bash_file = OpenOptions::new()
.read(true)
.write(true)
.open(format!("{outdir}/feroxbuster.bash"))
.expect("Couldn't open bash completion script");
bash_file
.read_to_string(&mut contents)
.expect("Couldn't read bash completion script");
contents = contents.replace("default feroxbuster", "default -o plusdirs feroxbuster");
bash_file
.rewind()
.expect("Couldn't seek to position 0 in bash completion script");
bash_file
.write_all(contents.as_bytes())
.expect("Couldn't write updated bash completion script to disk");
// hunter0x8 let me know that when installing via cargo, it would be nice if we dropped a
// config file during the build process. The following code will place an example config in
// the user's configuration directory
// - linux: $XDG_CONFIG_HOME or $HOME/.config
// - macOS: $HOME/Library/Application Support
// - windows: {FOLDERID_RoamingAppData}
let mut config_dir = dirs::config_dir().expect("Couldn't resolve user's config directory");
config_dir = config_dir.join("feroxbuster"); // $HOME/.config/feroxbuster
if !config_dir.exists() {
// recursively create the feroxbuster directory and all of its parent components if
// they are missing
if create_dir_all(&config_dir).is_err() {
// only copy the config file when we're not running in the CI/CD pipeline
// which fails with permission denied
eprintln!("Couldn't create one or more directories needed to copy the config file");
return;
}
}
// hard-coding config name here to not rely on the crate we're building, if DEFAULT_CONFIG_NAME
// ever changes, this will need to be updated
let config_file = config_dir.join("ferox-config.toml");
if !config_file.exists() {
// config file doesn't exist, add it to the config directory
if copy("ferox-config.toml.example", config_file).is_err() {
eprintln!("Couldn't copy example config into config directory");
}
}
}