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