Fix bootstrap for all commands

corebox/commands/bootstrap/mod.rs

@@ -162,7 +162,7 @@ impl Cmd for Bootstrap {
                     fs::create_dir_all(&outpath)?;
                     println!("    mkdir: {}", outpath.display());
                 }
-                outpath.push(env!("CARGO_PKG_NAME"));
+                outpath.push(&shitbox::progname().unwrap());
                 fs::copy(&progpath, &outpath)?;
                 println!(
                     "    install: {} -> {}",
@@ -175,15 +175,15 @@ impl Cmd for Bootstrap {
                     links(prefix, usr, matches)?;
                 }
                 Some(("manpages", _matches)) => {
-                    manpages(prefix)?;
+                    manpages(prefix, usr)?;
                 }
                 Some(("completions", matches)) => {
-                    completions(prefix, matches)?;
+                    completions(prefix, matches, usr)?;
                 }
                 Some(("all", matches)) => {
                     links(prefix, usr, matches)?;
-                    manpages(prefix)?;
+                    manpages(prefix, usr)?;
-                    completions(prefix, matches)?;
+                    completions(prefix, matches, usr)?;
                 }
                 _ => {}
             }
@@ -201,7 +201,7 @@ pub trait BootstrapCmd {
     fn completion(&self, outdir: &Path, gen: &str) -> Result<(), io::Error>;
     fn linkpath(&self, prefix: &str, usr: bool) -> Option<PathBuf>;
     fn link(&self, prefix: &str, usr: bool, soft: bool) -> Result<(), Box<dyn Error>>;
-    fn manpage(&self, prefix: &str) -> Result<(), io::Error>;
+    fn manpage(&self, prefix: &str, usr: bool) -> Result<(), io::Error>;
 }
 
 impl BootstrapCmd for dyn Cmd {
@@ -237,31 +237,33 @@ impl BootstrapCmd for dyn Cmd {
 
     fn link(&self, prefix: &str, usr: bool, soft: bool) -> Result<(), Box<dyn Error>> {
         if let Some(linkpath) = self.linkpath(prefix, usr) {
+            let progname = shitbox::progname().unwrap();
             if soft {
                 let binpath = match self.path().unwrap() {
-                    shitbox::Path::Bin => "shitbox",
+                    shitbox::Path::Bin => progname,
-                    shitbox::Path::Sbin => "../bin/shitbox",
+                    shitbox::Path::Sbin => format!("../bin/{progname}"),
                     shitbox::Path::UsrBin => {
                         if usr {
-                            "../../bin/shitbox"
+                            format!("../../bin/{progname}")
                         } else {
-                            "shitbox"
+                            progname
                         }
                     }
                     shitbox::Path::UsrSbin => {
                         if usr {
-                            "../../bin/shitbox"
+                            format!("../../bin/{progname}")
                         } else {
-                            "../bin/shitbox"
+                            format!("../bin/{progname}")
                         }
                     }
                 };
-                symlink(binpath, &linkpath)?;
+                symlink(&binpath, &linkpath)?;
                 println!("    symlink: {binpath} -> {}", linkpath.display());
             } else {
                 let mut binpath = PathBuf::from(prefix);
                 binpath.push("bin");
                 binpath.push(env!("CARGO_PKG_NAME"));
+                println!("Generating link for {}", self.cli().get_name());
                 fs::hard_link(&binpath, &linkpath)?;
                 println!("    link: {} -> {}", binpath.display(), linkpath.display());
             }
@@ -269,13 +271,17 @@ impl BootstrapCmd for dyn Cmd {
         Ok(())
     }
 
-    fn manpage(&self, prefix: &str) -> Result<(), io::Error> {
+    fn manpage(&self, prefix: &str, usr: bool) -> Result<(), io::Error> {
         let command = self.cli();
         let fname = match command.get_name() {
-            "bootstrap" => "shitbox-bootstrap.1".to_string(),
+            "bootstrap" => format!("{}-bootstrap.1", shitbox::progname().unwrap()),
             s => format!("{s}.1"),
         };
-        let outdir: PathBuf = [prefix, "usr", "share", "man", "man1"].iter().collect();
+        let outdir: PathBuf = if usr {
+            [prefix, "usr", "share", "man", "man1"].iter().collect()
+        } else {
+            [prefix, "share", "man", "man1"].iter().collect()
+        };
         if !outdir.exists() {
             fs::create_dir_all(&outdir)?;
         }
@@ -290,48 +296,61 @@ impl BootstrapCmd for dyn Cmd {
     }
 }
 
-fn manpages(prefix: &str) -> Result<(), io::Error> {
+fn manpages(prefix: &str, usr: bool) -> Result<(), io::Error> {
     println!("Generating Unix man pages:");
     COMMANDS
         .iter()
-        .try_for_each(|cmd| super::get(cmd).unwrap().manpage(prefix))?;
+        .try_for_each(|cmd| super::get(cmd).unwrap().manpage(prefix, usr))?;
     Ok(())
 }
 
-fn completions(prefix: &str, matches: &ArgMatches) -> Result<(), io::Error> {
+fn completions(prefix: &str, matches: &ArgMatches, usr: bool) -> Result<(), io::Error> {
     println!("Generating completions:");
+    let basedir: PathBuf = if usr {
+        [prefix, "usr", "share"].iter().collect()
+    } else {
+        [prefix, "share"].iter().collect()
+    };
     if matches.get_flag("bash") || matches.get_flag("all") {
-        let outdir: PathBuf = [prefix, "share", "bash-completion", "completion"]
+        let mut outdir = basedir.clone();
-            .iter()
+        outdir.push("bash-completion");
-            .collect();
+        outdir.push("completion");
         COMMANDS.iter().try_for_each(|cmd| {
             let cmd = super::get(cmd).unwrap();
             cmd.completion(&outdir, "bash")
         })?;
     }
     if matches.get_flag("fish") || matches.get_flag("all") {
-        let outdir: PathBuf = [prefix, "share", "fish", "completions"].iter().collect();
+        let mut outdir = basedir.clone();
+        outdir.push("fish");
+        outdir.push("completions");
         COMMANDS.iter().try_for_each(|cmd| {
             let cmd = super::get(cmd).unwrap();
             cmd.completion(&outdir, "fish")
         })?;
     }
     if matches.get_flag("nu") || matches.get_flag("all") {
-        let outdir: PathBuf = [prefix, "share", "nu", "completions"].iter().collect();
+        let mut outdir = basedir.clone();
+        outdir.push("nu");
+        outdir.push("completions");
         COMMANDS.iter().try_for_each(|cmd| {
             let cmd = super::get(cmd).unwrap();
             cmd.completion(&outdir, "nu")
         })?;
     }
     if matches.get_flag("pwsh") || matches.get_flag("all") {
-        let outdir: PathBuf = [prefix, "share", "pwsh", "completions"].iter().collect();
+        let mut outdir = basedir.clone();
+        outdir.push("pwsh");
+        outdir.push("completions");
         COMMANDS.iter().try_for_each(|cmd| {
             let cmd = super::get(cmd).unwrap();
             cmd.completion(&outdir, "pwsh")
         })?;
     }
     if matches.get_flag("zsh") || matches.get_flag("all") {
-        let outdir: PathBuf = [prefix, "share", "zsh", "site-functions"].iter().collect();
+        let mut outdir = basedir.clone();
+        outdir.push("zsh");
+        outdir.push("site-functions");
         COMMANDS.iter().try_for_each(|cmd| {
             let cmd = super::get(cmd).unwrap();
             cmd.completion(&outdir, "zsh")
@@ -376,3 +395,4 @@ fn links(prefix: &str, usr: bool, cmd: &ArgMatches) -> Result<(), Box<dyn Error>
     })?;
     Ok(())
 }
+

hashbox/commands/bootstrap/mod.rs

@@ -0,0 +1,398 @@
+use super::{Cmd, COMMANDS};
+use clap::{Arg, ArgAction, ArgMatches, Command};
+use clap_complete::{generate_to, shells};
+use clap_complete_nushell::Nushell;
+use clap_mangen::Man;
+use std::{
+    error::Error,
+    fs, io,
+    os::unix::fs::symlink,
+    path::{Path, PathBuf},
+};
+
+#[derive(Debug, Default)]
+pub struct Bootstrap;
+
+impl Bootstrap {
+    fn all() -> clap::Command {
+        Command::new("all").about("Install everything").args([
+            Arg::new("soft")
+                .help("Install soft links instead of hardlinks")
+                .short('s')
+                .long("soft")
+                .action(ArgAction::SetTrue),
+            Arg::new("all")
+                .help("Install completions for all supported shells")
+                .short('a')
+                .long("all")
+                .conflicts_with_all(["bash", "fish", "nu", "pwsh", "zsh"])
+                .action(ArgAction::SetTrue),
+            Arg::new("bash")
+                .help("Bash shell completions")
+                .short('b')
+                .long("bash")
+                .action(ArgAction::SetTrue),
+            Arg::new("fish")
+                .help("Fish shell completions")
+                .short('f')
+                .long("fish")
+                .action(ArgAction::SetTrue),
+            Arg::new("nu")
+                .help("Nushell completions")
+                .short('n')
+                .long("nu")
+                .action(ArgAction::SetTrue),
+            Arg::new("pwsh")
+                .help("PowerShell completions")
+                .short('p')
+                .long("pwsh")
+                .action(ArgAction::SetTrue),
+            Arg::new("zsh")
+                .help("Zshell completions")
+                .short('z')
+                .long("zsh")
+                .action(ArgAction::SetTrue),
+        ])
+    }
+
+    fn links() -> clap::Command {
+        Command::new("links")
+            .about("Install links for each applet")
+            .arg(
+                Arg::new("soft")
+                    .help("Install soft links instead of hardlinks")
+                    .short('s')
+                    .long("soft")
+                    .action(ArgAction::SetTrue),
+            )
+    }
+
+    fn manpages() -> clap::Command {
+        Command::new("manpages")
+            .about("Install Unix man pages")
+            .alias("man")
+    }
+
+    fn completions() -> clap::Command {
+        Command::new("completions")
+            .about("Install shell completions")
+            .alias("comp")
+            .args([
+                Arg::new("all")
+                    .help("Install completions for all supported shells")
+                    .short('a')
+                    .long("all")
+                    .exclusive(true)
+                    .action(ArgAction::SetTrue),
+                Arg::new("bash")
+                    .help("Bash shell completions")
+                    .short('b')
+                    .long("bash")
+                    .action(ArgAction::SetTrue),
+                Arg::new("fish")
+                    .help("Fish shell completions")
+                    .short('f')
+                    .long("fish")
+                    .action(ArgAction::SetTrue),
+                Arg::new("nu")
+                    .help("Nushell completions")
+                    .short('n')
+                    .long("nu")
+                    .action(ArgAction::SetTrue),
+                Arg::new("pwsh")
+                    .help("PowerShell completions")
+                    .short('p')
+                    .long("pwsh")
+                    .action(ArgAction::SetTrue),
+                Arg::new("zsh")
+                    .help("Zshell completions")
+                    .short('z')
+                    .long("zsh")
+                    .action(ArgAction::SetTrue),
+            ])
+    }
+}
+
+impl Cmd for Bootstrap {
+    fn cli(&self) -> clap::Command {
+        Command::new("bootstrap")
+            .version(env!("CARGO_PKG_VERSION"))
+            .author("Nathan Fisher")
+            .about("Install shitbox into the filesystem")
+            .long_about("Install symlinks, manpages and shell completions")
+            .args([
+                Arg::new("prefix")
+                    .help("The directory path under which to install")
+                    .short('p')
+                    .long("prefix")
+                    .num_args(1)
+                    .default_value("/")
+                    .required(false),
+                Arg::new("usr")
+                    .help("Use /usr")
+                    .long_help(
+                        "Split the installation so that some applets go into /bin | /sbin\n\
+                    while others are placed into /usr/bin | /usr/sbin",
+                    )
+                    .short('u')
+                    .long("usr")
+                    .action(ArgAction::SetTrue),
+                Arg::new("soft")
+                    .help("Install soft links instead of hardlinks")
+                    .short('s')
+                    .long("soft")
+                    .action(ArgAction::SetTrue),
+            ])
+            .subcommands([
+                Self::all(),
+                Self::links(),
+                Self::manpages(),
+                Self::completions(),
+            ])
+    }
+
+    fn run(&self, matches: &ArgMatches) -> Result<(), Box<dyn Error>> {
+        if let Some(prefix) = matches.get_one::<String>("prefix") {
+            let usr = matches.get_flag("usr");
+            if let Some(progpath) = shitbox::progpath() {
+                let mut outpath = PathBuf::from(prefix);
+                outpath.push("bin");
+                println!("Installing binary:");
+                if !outpath.exists() {
+                    fs::create_dir_all(&outpath)?;
+                    println!("    mkdir: {}", outpath.display());
+                }
+                outpath.push(&shitbox::progname().unwrap());
+                fs::copy(&progpath, &outpath)?;
+                println!(
+                    "    install: {} -> {}",
+                    progpath.display(),
+                    outpath.display()
+                );
+            }
+            match matches.subcommand() {
+                Some(("links", matches)) => {
+                    links(prefix, usr, matches)?;
+                }
+                Some(("manpages", _matches)) => {
+                    manpages(prefix, usr)?;
+                }
+                Some(("completions", matches)) => {
+                    completions(prefix, matches, usr)?;
+                }
+                Some(("all", matches)) => {
+                    links(prefix, usr, matches)?;
+                    manpages(prefix, usr)?;
+                    completions(prefix, matches, usr)?;
+                }
+                _ => {}
+            }
+        }
+        Ok(())
+    }
+
+    fn path(&self) -> Option<shitbox::Path> {
+        None
+    }
+}
+
+#[allow(clippy::module_name_repetitions)]
+pub trait BootstrapCmd {
+    fn completion(&self, outdir: &Path, gen: &str) -> Result<(), io::Error>;
+    fn linkpath(&self, prefix: &str, usr: bool) -> Option<PathBuf>;
+    fn link(&self, prefix: &str, usr: bool, soft: bool) -> Result<(), Box<dyn Error>>;
+    fn manpage(&self, prefix: &str, usr: bool) -> Result<(), io::Error>;
+}
+
+impl BootstrapCmd for dyn Cmd {
+    fn completion(&self, outdir: &Path, gen: &str) -> Result<(), io::Error> {
+        let cmd = self.cli();
+        let name = cmd.get_name();
+        let mut cmd = self.cli();
+        if !outdir.exists() {
+            fs::create_dir_all(outdir)?;
+        }
+        let path = match gen {
+            "bash" => generate_to(shells::Bash, &mut cmd, name, outdir)?,
+            "fish" => generate_to(shells::Fish, &mut cmd, name, outdir)?,
+            "nu" => generate_to(Nushell, &mut cmd, name, outdir)?,
+            "pwsh" => generate_to(shells::PowerShell, &mut cmd, name, outdir)?,
+            "zsh" => generate_to(shells::Zsh, &mut cmd, name, outdir)?,
+            _ => unimplemented!(),
+        };
+        println!("    {}", path.display());
+        Ok(())
+    }
+
+    fn linkpath(&self, prefix: &str, usr: bool) -> Option<PathBuf> {
+        let mut path = PathBuf::from(prefix);
+        let binpath = self.path();
+        match binpath {
+            Some(p) => path.push(p.to_str(usr)),
+            None => return None,
+        }
+        path.push(self.cli().get_name());
+        Some(path)
+    }
+
+    fn link(&self, prefix: &str, usr: bool, soft: bool) -> Result<(), Box<dyn Error>> {
+        if let Some(linkpath) = self.linkpath(prefix, usr) {
+            let progname = shitbox::progname().unwrap();
+            if soft {
+                let binpath = match self.path().unwrap() {
+                    shitbox::Path::Bin => progname,
+                    shitbox::Path::Sbin => format!("../bin/{progname}"),
+                    shitbox::Path::UsrBin => {
+                        if usr {
+                            format!("../../bin/{progname}")
+                        } else {
+                            progname
+                        }
+                    }
+                    shitbox::Path::UsrSbin => {
+                        if usr {
+                            format!("../../bin/{progname}")
+                        } else {
+                            format!("../bin/{progname}")
+                        }
+                    }
+                };
+                symlink(&binpath, &linkpath)?;
+                println!("    symlink: {binpath} -> {}", linkpath.display());
+            } else {
+                let mut binpath = PathBuf::from(prefix);
+                binpath.push("bin");
+                binpath.push(env!("CARGO_PKG_NAME"));
+                println!("Generating link for {}", self.cli().get_name());
+                fs::hard_link(&binpath, &linkpath)?;
+                println!("    link: {} -> {}", binpath.display(), linkpath.display());
+            }
+        }
+        Ok(())
+    }
+
+    fn manpage(&self, prefix: &str, usr: bool) -> Result<(), io::Error> {
+        let command = self.cli();
+        let fname = match command.get_name() {
+            "bootstrap" => format!("{}-bootstrap.1", shitbox::progname().unwrap()),
+            s => format!("{s}.1"),
+        };
+        let outdir: PathBuf = if usr {
+            [prefix, "usr", "share", "man", "man1"].iter().collect()
+        } else {
+            [prefix, "share", "man", "man1"].iter().collect()
+        };
+        if !outdir.exists() {
+            fs::create_dir_all(&outdir)?;
+        }
+        let mut outfile = outdir;
+        outfile.push(fname);
+        let man = Man::new(command);
+        let mut buffer: Vec<u8> = vec![];
+        man.render(&mut buffer)?;
+        fs::write(&outfile, buffer)?;
+        println!("    {}", outfile.display());
+        Ok(())
+    }
+}
+
+fn manpages(prefix: &str, usr: bool) -> Result<(), io::Error> {
+    println!("Generating Unix man pages:");
+    COMMANDS
+        .iter()
+        .try_for_each(|cmd| super::get(cmd).unwrap().manpage(prefix, usr))?;
+    Ok(())
+}
+
+fn completions(prefix: &str, matches: &ArgMatches, usr: bool) -> Result<(), io::Error> {
+    println!("Generating completions:");
+    let basedir: PathBuf = if usr {
+        [prefix, "usr", "share"].iter().collect()
+    } else {
+        [prefix, "share"].iter().collect()
+    };
+    if matches.get_flag("bash") || matches.get_flag("all") {
+        let mut outdir = basedir.clone();
+        outdir.push("bash-completion");
+        outdir.push("completion");
+        COMMANDS.iter().try_for_each(|cmd| {
+            let cmd = super::get(cmd).unwrap();
+            cmd.completion(&outdir, "bash")
+        })?;
+    }
+    if matches.get_flag("fish") || matches.get_flag("all") {
+        let mut outdir = basedir.clone();
+        outdir.push("fish");
+        outdir.push("completions");
+        COMMANDS.iter().try_for_each(|cmd| {
+            let cmd = super::get(cmd).unwrap();
+            cmd.completion(&outdir, "fish")
+        })?;
+    }
+    if matches.get_flag("nu") || matches.get_flag("all") {
+        let mut outdir = basedir.clone();
+        outdir.push("nu");
+        outdir.push("completions");
+        COMMANDS.iter().try_for_each(|cmd| {
+            let cmd = super::get(cmd).unwrap();
+            cmd.completion(&outdir, "nu")
+        })?;
+    }
+    if matches.get_flag("pwsh") || matches.get_flag("all") {
+        let mut outdir = basedir.clone();
+        outdir.push("pwsh");
+        outdir.push("completions");
+        COMMANDS.iter().try_for_each(|cmd| {
+            let cmd = super::get(cmd).unwrap();
+            cmd.completion(&outdir, "pwsh")
+        })?;
+    }
+    if matches.get_flag("zsh") || matches.get_flag("all") {
+        let mut outdir = basedir.clone();
+        outdir.push("zsh");
+        outdir.push("site-functions");
+        COMMANDS.iter().try_for_each(|cmd| {
+            let cmd = super::get(cmd).unwrap();
+            cmd.completion(&outdir, "zsh")
+        })?;
+    }
+    Ok(())
+}
+
+fn links(prefix: &str, usr: bool, cmd: &ArgMatches) -> Result<(), Box<dyn Error>> {
+    println!("Generating links:");
+    let mut binpath = PathBuf::from(prefix);
+    binpath.push("bin");
+    if !binpath.exists() {
+        fs::create_dir_all(&binpath)?;
+        println!("    mkdir: {}", binpath.display());
+    }
+    binpath.pop();
+    binpath.push("sbin");
+    if !binpath.exists() {
+        fs::create_dir_all(&binpath)?;
+        println!("    mkdir: {}", binpath.display());
+    }
+    if usr {
+        binpath.pop();
+        binpath.push("usr");
+        binpath.push("bin");
+        if !binpath.exists() {
+            fs::create_dir_all(&binpath)?;
+            println!("    mkdir: {}", binpath.display());
+        }
+        binpath.pop();
+        binpath.push("sbin");
+        if !binpath.exists() {
+            fs::create_dir_all(&binpath)?;
+            println!("    mkdir: {}", binpath.display());
+        }
+    }
+    let soft = cmd.get_flag("soft");
+    COMMANDS.iter().try_for_each(|c| {
+        let cmd = super::get(c).unwrap();
+        cmd.link(prefix, usr, soft)
+    })?;
+    Ok(())
+}
+

hashbox/commands/mod.rs

@@ -1,6 +1,7 @@
 use shitbox::Cmd;
 
 mod b2sum;
+mod bootstrap;
 mod hashbox;
 mod md5sum;
 mod sha1sum;
@@ -15,6 +16,7 @@ mod sha512sum;
 pub fn get(name: &str) -> Option<Box<dyn Cmd>> {
     match name {
         "b2sum" => Some(Box::new(b2sum::B2sum::default())),
+        "bootstrap" => Some(Box::new(bootstrap::Bootstrap::default())),
         "hashbox" => Some(Box::new(hashbox::Hashbox::default())),
         "md5sum" => Some(Box::new(md5sum::Md5sum::default())),
         "sha1sum" => Some(Box::new(sha1sum::Sha1sum::default())),
@@ -26,8 +28,9 @@ pub fn get(name: &str) -> Option<Box<dyn Cmd>> {
     }
 }
 
-pub static COMMANDS: [&str; 7] = [
+pub static COMMANDS: [&str; 8] = [
     "b2sum",
+    "bootstrap",
     "md5sum",
     "sha1sum",
     "sha224sum",

utilbox/commands/bootstrap/mod.rs

@@ -0,0 +1,398 @@
+use super::{Cmd, COMMANDS};
+use clap::{Arg, ArgAction, ArgMatches, Command};
+use clap_complete::{generate_to, shells};
+use clap_complete_nushell::Nushell;
+use clap_mangen::Man;
+use std::{
+    error::Error,
+    fs, io,
+    os::unix::fs::symlink,
+    path::{Path, PathBuf},
+};
+
+#[derive(Debug, Default)]
+pub struct Bootstrap;
+
+impl Bootstrap {
+    fn all() -> clap::Command {
+        Command::new("all").about("Install everything").args([
+            Arg::new("soft")
+                .help("Install soft links instead of hardlinks")
+                .short('s')
+                .long("soft")
+                .action(ArgAction::SetTrue),
+            Arg::new("all")
+                .help("Install completions for all supported shells")
+                .short('a')
+                .long("all")
+                .conflicts_with_all(["bash", "fish", "nu", "pwsh", "zsh"])
+                .action(ArgAction::SetTrue),
+            Arg::new("bash")
+                .help("Bash shell completions")
+                .short('b')
+                .long("bash")
+                .action(ArgAction::SetTrue),
+            Arg::new("fish")
+                .help("Fish shell completions")
+                .short('f')
+                .long("fish")
+                .action(ArgAction::SetTrue),
+            Arg::new("nu")
+                .help("Nushell completions")
+                .short('n')
+                .long("nu")
+                .action(ArgAction::SetTrue),
+            Arg::new("pwsh")
+                .help("PowerShell completions")
+                .short('p')
+                .long("pwsh")
+                .action(ArgAction::SetTrue),
+            Arg::new("zsh")
+                .help("Zshell completions")
+                .short('z')
+                .long("zsh")
+                .action(ArgAction::SetTrue),
+        ])
+    }
+
+    fn links() -> clap::Command {
+        Command::new("links")
+            .about("Install links for each applet")
+            .arg(
+                Arg::new("soft")
+                    .help("Install soft links instead of hardlinks")
+                    .short('s')
+                    .long("soft")
+                    .action(ArgAction::SetTrue),
+            )
+    }
+
+    fn manpages() -> clap::Command {
+        Command::new("manpages")
+            .about("Install Unix man pages")
+            .alias("man")
+    }
+
+    fn completions() -> clap::Command {
+        Command::new("completions")
+            .about("Install shell completions")
+            .alias("comp")
+            .args([
+                Arg::new("all")
+                    .help("Install completions for all supported shells")
+                    .short('a')
+                    .long("all")
+                    .exclusive(true)
+                    .action(ArgAction::SetTrue),
+                Arg::new("bash")
+                    .help("Bash shell completions")
+                    .short('b')
+                    .long("bash")
+                    .action(ArgAction::SetTrue),
+                Arg::new("fish")
+                    .help("Fish shell completions")
+                    .short('f')
+                    .long("fish")
+                    .action(ArgAction::SetTrue),
+                Arg::new("nu")
+                    .help("Nushell completions")
+                    .short('n')
+                    .long("nu")
+                    .action(ArgAction::SetTrue),
+                Arg::new("pwsh")
+                    .help("PowerShell completions")
+                    .short('p')
+                    .long("pwsh")
+                    .action(ArgAction::SetTrue),
+                Arg::new("zsh")
+                    .help("Zshell completions")
+                    .short('z')
+                    .long("zsh")
+                    .action(ArgAction::SetTrue),
+            ])
+    }
+}
+
+impl Cmd for Bootstrap {
+    fn cli(&self) -> clap::Command {
+        Command::new("bootstrap")
+            .version(env!("CARGO_PKG_VERSION"))
+            .author("Nathan Fisher")
+            .about("Install shitbox into the filesystem")
+            .long_about("Install symlinks, manpages and shell completions")
+            .args([
+                Arg::new("prefix")
+                    .help("The directory path under which to install")
+                    .short('p')
+                    .long("prefix")
+                    .num_args(1)
+                    .default_value("/")
+                    .required(false),
+                Arg::new("usr")
+                    .help("Use /usr")
+                    .long_help(
+                        "Split the installation so that some applets go into /bin | /sbin\n\
+                    while others are placed into /usr/bin | /usr/sbin",
+                    )
+                    .short('u')
+                    .long("usr")
+                    .action(ArgAction::SetTrue),
+                Arg::new("soft")
+                    .help("Install soft links instead of hardlinks")
+                    .short('s')
+                    .long("soft")
+                    .action(ArgAction::SetTrue),
+            ])
+            .subcommands([
+                Self::all(),
+                Self::links(),
+                Self::manpages(),
+                Self::completions(),
+            ])
+    }
+
+    fn run(&self, matches: &ArgMatches) -> Result<(), Box<dyn Error>> {
+        if let Some(prefix) = matches.get_one::<String>("prefix") {
+            let usr = matches.get_flag("usr");
+            if let Some(progpath) = shitbox::progpath() {
+                let mut outpath = PathBuf::from(prefix);
+                outpath.push("bin");
+                println!("Installing binary:");
+                if !outpath.exists() {
+                    fs::create_dir_all(&outpath)?;
+                    println!("    mkdir: {}", outpath.display());
+                }
+                outpath.push(&shitbox::progname().unwrap());
+                fs::copy(&progpath, &outpath)?;
+                println!(
+                    "    install: {} -> {}",
+                    progpath.display(),
+                    outpath.display()
+                );
+            }
+            match matches.subcommand() {
+                Some(("links", matches)) => {
+                    links(prefix, usr, matches)?;
+                }
+                Some(("manpages", _matches)) => {
+                    manpages(prefix, usr)?;
+                }
+                Some(("completions", matches)) => {
+                    completions(prefix, matches, usr)?;
+                }
+                Some(("all", matches)) => {
+                    links(prefix, usr, matches)?;
+                    manpages(prefix, usr)?;
+                    completions(prefix, matches, usr)?;
+                }
+                _ => {}
+            }
+        }
+        Ok(())
+    }
+
+    fn path(&self) -> Option<shitbox::Path> {
+        None
+    }
+}
+
+#[allow(clippy::module_name_repetitions)]
+pub trait BootstrapCmd {
+    fn completion(&self, outdir: &Path, gen: &str) -> Result<(), io::Error>;
+    fn linkpath(&self, prefix: &str, usr: bool) -> Option<PathBuf>;
+    fn link(&self, prefix: &str, usr: bool, soft: bool) -> Result<(), Box<dyn Error>>;
+    fn manpage(&self, prefix: &str, usr: bool) -> Result<(), io::Error>;
+}
+
+impl BootstrapCmd for dyn Cmd {
+    fn completion(&self, outdir: &Path, gen: &str) -> Result<(), io::Error> {
+        let cmd = self.cli();
+        let name = cmd.get_name();
+        let mut cmd = self.cli();
+        if !outdir.exists() {
+            fs::create_dir_all(outdir)?;
+        }
+        let path = match gen {
+            "bash" => generate_to(shells::Bash, &mut cmd, name, outdir)?,
+            "fish" => generate_to(shells::Fish, &mut cmd, name, outdir)?,
+            "nu" => generate_to(Nushell, &mut cmd, name, outdir)?,
+            "pwsh" => generate_to(shells::PowerShell, &mut cmd, name, outdir)?,
+            "zsh" => generate_to(shells::Zsh, &mut cmd, name, outdir)?,
+            _ => unimplemented!(),
+        };
+        println!("    {}", path.display());
+        Ok(())
+    }
+
+    fn linkpath(&self, prefix: &str, usr: bool) -> Option<PathBuf> {
+        let mut path = PathBuf::from(prefix);
+        let binpath = self.path();
+        match binpath {
+            Some(p) => path.push(p.to_str(usr)),
+            None => return None,
+        }
+        path.push(self.cli().get_name());
+        Some(path)
+    }
+
+    fn link(&self, prefix: &str, usr: bool, soft: bool) -> Result<(), Box<dyn Error>> {
+        if let Some(linkpath) = self.linkpath(prefix, usr) {
+            let progname = shitbox::progname().unwrap();
+            if soft {
+                let binpath = match self.path().unwrap() {
+                    shitbox::Path::Bin => progname,
+                    shitbox::Path::Sbin => format!("../bin/{progname}"),
+                    shitbox::Path::UsrBin => {
+                        if usr {
+                            format!("../../bin/{progname}")
+                        } else {
+                            progname
+                        }
+                    }
+                    shitbox::Path::UsrSbin => {
+                        if usr {
+                            format!("../../bin/{progname}")
+                        } else {
+                            format!("../bin/{progname}")
+                        }
+                    }
+                };
+                symlink(&binpath, &linkpath)?;
+                println!("    symlink: {binpath} -> {}", linkpath.display());
+            } else {
+                let mut binpath = PathBuf::from(prefix);
+                binpath.push("bin");
+                binpath.push(env!("CARGO_PKG_NAME"));
+                println!("Generating link for {}", self.cli().get_name());
+                fs::hard_link(&binpath, &linkpath)?;
+                println!("    link: {} -> {}", binpath.display(), linkpath.display());
+            }
+        }
+        Ok(())
+    }
+
+    fn manpage(&self, prefix: &str, usr: bool) -> Result<(), io::Error> {
+        let command = self.cli();
+        let fname = match command.get_name() {
+            "bootstrap" => format!("{}-bootstrap.1", shitbox::progname().unwrap()),
+            s => format!("{s}.1"),
+        };
+        let outdir: PathBuf = if usr {
+            [prefix, "usr", "share", "man", "man1"].iter().collect()
+        } else {
+            [prefix, "share", "man", "man1"].iter().collect()
+        };
+        if !outdir.exists() {
+            fs::create_dir_all(&outdir)?;
+        }
+        let mut outfile = outdir;
+        outfile.push(fname);
+        let man = Man::new(command);
+        let mut buffer: Vec<u8> = vec![];
+        man.render(&mut buffer)?;
+        fs::write(&outfile, buffer)?;
+        println!("    {}", outfile.display());
+        Ok(())
+    }
+}
+
+fn manpages(prefix: &str, usr: bool) -> Result<(), io::Error> {
+    println!("Generating Unix man pages:");
+    COMMANDS
+        .iter()
+        .try_for_each(|cmd| super::get(cmd).unwrap().manpage(prefix, usr))?;
+    Ok(())
+}
+
+fn completions(prefix: &str, matches: &ArgMatches, usr: bool) -> Result<(), io::Error> {
+    println!("Generating completions:");
+    let basedir: PathBuf = if usr {
+        [prefix, "usr", "share"].iter().collect()
+    } else {
+        [prefix, "share"].iter().collect()
+    };
+    if matches.get_flag("bash") || matches.get_flag("all") {
+        let mut outdir = basedir.clone();
+        outdir.push("bash-completion");
+        outdir.push("completion");
+        COMMANDS.iter().try_for_each(|cmd| {
+            let cmd = super::get(cmd).unwrap();
+            cmd.completion(&outdir, "bash")
+        })?;
+    }
+    if matches.get_flag("fish") || matches.get_flag("all") {
+        let mut outdir = basedir.clone();
+        outdir.push("fish");
+        outdir.push("completions");
+        COMMANDS.iter().try_for_each(|cmd| {
+            let cmd = super::get(cmd).unwrap();
+            cmd.completion(&outdir, "fish")
+        })?;
+    }
+    if matches.get_flag("nu") || matches.get_flag("all") {
+        let mut outdir = basedir.clone();
+        outdir.push("nu");
+        outdir.push("completions");
+        COMMANDS.iter().try_for_each(|cmd| {
+            let cmd = super::get(cmd).unwrap();
+            cmd.completion(&outdir, "nu")
+        })?;
+    }
+    if matches.get_flag("pwsh") || matches.get_flag("all") {
+        let mut outdir = basedir.clone();
+        outdir.push("pwsh");
+        outdir.push("completions");
+        COMMANDS.iter().try_for_each(|cmd| {
+            let cmd = super::get(cmd).unwrap();
+            cmd.completion(&outdir, "pwsh")
+        })?;
+    }
+    if matches.get_flag("zsh") || matches.get_flag("all") {
+        let mut outdir = basedir.clone();
+        outdir.push("zsh");
+        outdir.push("site-functions");
+        COMMANDS.iter().try_for_each(|cmd| {
+            let cmd = super::get(cmd).unwrap();
+            cmd.completion(&outdir, "zsh")
+        })?;
+    }
+    Ok(())
+}
+
+fn links(prefix: &str, usr: bool, cmd: &ArgMatches) -> Result<(), Box<dyn Error>> {
+    println!("Generating links:");
+    let mut binpath = PathBuf::from(prefix);
+    binpath.push("bin");
+    if !binpath.exists() {
+        fs::create_dir_all(&binpath)?;
+        println!("    mkdir: {}", binpath.display());
+    }
+    binpath.pop();
+    binpath.push("sbin");
+    if !binpath.exists() {
+        fs::create_dir_all(&binpath)?;
+        println!("    mkdir: {}", binpath.display());
+    }
+    if usr {
+        binpath.pop();
+        binpath.push("usr");
+        binpath.push("bin");
+        if !binpath.exists() {
+            fs::create_dir_all(&binpath)?;
+            println!("    mkdir: {}", binpath.display());
+        }
+        binpath.pop();
+        binpath.push("sbin");
+        if !binpath.exists() {
+            fs::create_dir_all(&binpath)?;
+            println!("    mkdir: {}", binpath.display());
+        }
+    }
+    let soft = cmd.get_flag("soft");
+    COMMANDS.iter().try_for_each(|c| {
+        let cmd = super::get(c).unwrap();
+        cmd.link(prefix, usr, soft)
+    })?;
+    Ok(())
+}
+

utilbox/commands/mod.rs

@@ -1,6 +1,7 @@
 use shitbox::Cmd;
 
 mod blkid;
+mod bootstrap;
 mod clear;
 mod mount;
 mod mountpoint;
@@ -15,6 +16,7 @@ mod utilbox;
 #[allow(clippy::box_default)]
 pub fn get(name: &str) -> Option<Box<dyn Cmd>> {
     match name {
+        "bootstrap" => Some(Box::new(bootstrap::Bootstrap::default())),
         "clear" => Some(Box::new(clear::Clear::default())),
         "mountpoint" => Some(Box::new(mountpoint::Mountpoint::default())),
         "swaplabel" => Some(Box::new(swaplabel::Swaplabel::default())),
@@ -25,7 +27,8 @@ pub fn get(name: &str) -> Option<Box<dyn Cmd>> {
     }
 }
 
-pub static COMMANDS: [&str; 6] = [
+pub static COMMANDS: [&str; 7] = [
+    "bootstrap",
     "clear",
     "mountpoint",
     "swaplabel",