Reorganise functions in build script

This commit is contained in:
cyqsimon 2023-10-27 14:37:48 +08:00 committed by Martin Nordholts
parent 28d947fd8b
commit b1577cc083

View file

@ -1,38 +1,21 @@
// For bat-as-a-library, no build script is required. The build script is for
// the manpage and completions, which are only relevant to the bat application.
#[cfg(not(feature = "application"))]
fn main() {}
use std::{collections::HashMap, fs, path::Path};
#[cfg(feature = "application")]
fn main() -> anyhow::Result<()> {
use std::collections::HashMap;
use std::fs;
use std::path::Path;
#[cfg(feature = "application")]
gen_man_and_comp()?;
Ok(())
}
/// Generate manpage and shell completions for the bat application.
#[cfg(feature = "application")]
fn gen_man_and_comp() -> anyhow::Result<()> {
// Read environment variables.
let project_name = option_env!("PROJECT_NAME").unwrap_or("bat");
let executable_name = option_env!("PROJECT_EXECUTABLE").unwrap_or(project_name);
let executable_name_uppercase = executable_name.to_uppercase();
static PROJECT_VERSION: &str = env!("CARGO_PKG_VERSION");
/// Generates a file from a template.
fn template(
variables: &HashMap<&str, &str>,
in_file: &str,
out_file: impl AsRef<Path>,
) -> anyhow::Result<()> {
let mut content = fs::read_to_string(in_file)?;
for (variable_name, value) in variables {
// Replace {{variable_name}} by the value
let pattern = format!("{{{{{variable_name}}}}}", variable_name = variable_name);
content = content.replace(&pattern, value);
}
fs::write(out_file, content)?;
Ok(())
}
let mut variables = HashMap::new();
variables.insert("PROJECT_NAME", project_name);
variables.insert("PROJECT_EXECUTABLE", executable_name);
@ -49,27 +32,27 @@ fn main() -> anyhow::Result<()> {
fs::create_dir_all(out_dir.join("assets/manual")).unwrap();
fs::create_dir_all(out_dir.join("assets/completions")).unwrap();
template(
render_template(
&variables,
"assets/manual/bat.1.in",
out_dir.join("assets/manual/bat.1"),
)?;
template(
render_template(
&variables,
"assets/completions/bat.bash.in",
out_dir.join("assets/completions/bat.bash"),
)?;
template(
render_template(
&variables,
"assets/completions/bat.fish.in",
out_dir.join("assets/completions/bat.fish"),
)?;
template(
render_template(
&variables,
"assets/completions/_bat.ps1.in",
out_dir.join("assets/completions/_bat.ps1"),
)?;
template(
render_template(
&variables,
"assets/completions/bat.zsh.in",
out_dir.join("assets/completions/bat.zsh"),
@ -77,3 +60,22 @@ fn main() -> anyhow::Result<()> {
Ok(())
}
/// Generates a file from a template.
#[allow(dead_code)]
fn render_template(
variables: &HashMap<&str, &str>,
in_file: &str,
out_file: impl AsRef<Path>,
) -> anyhow::Result<()> {
let mut content = fs::read_to_string(in_file)?;
for (variable_name, value) in variables {
// Replace {{variable_name}} by the value
let pattern = format!("{{{{{variable_name}}}}}", variable_name = variable_name);
content = content.replace(&pattern, value);
}
fs::write(out_file, content)?;
Ok(())
}