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|
use clap::Clap;
use std::{
fs::{DirEntry, Metadata},
path::{Path, PathBuf},
};
use super::prelude::*;
#[derive(Clap)]
pub struct Opts {
#[clap(long)]
directory: bool,
paths: Vec<PathBuf>,
}
/*
config/
nvim/
init.vim
lua/
setup.lua
bash/
.bashrc
link nvim .config/nvim
nvim/init.vim -> .config/nvim/init.vim
nvim/lua/setup.lua -> config/nvim/lua/setup.lua
link bash .
bash/.bashrc -> ./.bashrc
link --directory scripts .scripts
scripts/ -> ./.scripts
*/
pub fn main(config: Config, opts: Opts) -> anyhow::Result<()> {
let mut depot = utils::read_depot(&config.archive_path)?;
let (origins, destination) = match opts.paths.as_slice() {
p @ [] | p @ [_] => (p, None),
[o @ .., dest] => (o, Some(dest)),
_ => unreachable!(),
};
if let Some(destination) = destination {
for path in collect_file_type(origins, FileType::File)? {
let link_desc = LinkDesc {
origin: path,
destination: destination.clone(),
};
log::info!("Creating link : {}", link_desc);
depot.create_link(link_desc)?;
}
} else {
let base_path = match origins {
[] => std::env::current_dir()?,
[path] => path.clone(),
_ => unreachable!(),
};
for link in utils::collect_links_by_base_paths(&depot, std::iter::once(base_path)) {
log::info!("{}", link);
}
}
//if let Some(destination) = destination {
// for origin in origins {
// let origin_canonical = origin.canonicalize()?;
// let base = if origin_canonical.is_file() {
// origin_canonical.parent().unwrap().to_path_buf()
// } else {
// origin_canonical.to_path_buf()
// };
// link(&mut depot, origin.as_path(), destination.as_path(), &base)?;
// }
//} else {
// log::warn!("Missing destination");
//}
utils::write_depot(&depot)?;
Ok(())
}
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
enum FileType {
File,
Directory,
}
/// Collects canonical files of the given type starting from, and including, entry_paths
fn collect_file_type(
entry_paths: impl IntoIterator<Item = impl AsRef<Path>>,
collect_type: FileType,
) -> anyhow::Result<Vec<PathBuf>> {
let entry_paths: Vec<PathBuf> = entry_paths
.into_iter()
.map(|p| p.as_ref().to_path_buf())
.collect();
let mut collected = Vec::new();
let mut pending: Vec<_> = entry_paths.iter().cloned().filter(|p| p.is_dir()).collect();
for path in entry_paths {
let path = path.canonicalize()?;
if (path.is_file() && collect_type == FileType::File)
|| (path.is_dir() && collect_type == FileType::Directory)
{
collected.push(path);
}
}
while let Some(dir_path) = pending.pop() {
for entry in dir_path.read_dir()? {
let entry = entry?;
let filetype = entry.file_type()?;
if filetype.is_file() && collect_type == FileType::File {
collected.push(entry.path());
} else if filetype.is_dir() {
if collect_type == FileType::Directory {
collected.push(entry.path());
}
pending.push(entry.path());
}
}
}
Ok(collected)
}
fn link(depot: &mut Depot, origin: &Path, destination: &Path, base: &Path) -> anyhow::Result<()> {
let metadata = std::fs::metadata(origin)?;
if metadata.is_file() {
link_file(depot, origin, destination, base)?;
} else if metadata.is_dir() {
link_directory_recursive(depot, origin, destination, base)?;
} else {
unimplemented!()
}
Ok(())
}
fn link_file(
depot: &mut Depot,
origin: &Path,
destination: &Path,
base: &Path,
) -> anyhow::Result<()> {
let origin_canonical = origin
.canonicalize()
.expect("Failed to canonicalize origin path");
let partial = origin_canonical
.strip_prefix(base)
.expect("Failed to remove prefix from origin path");
let destination = destination.join(partial);
let link_desc = LinkDesc {
origin: origin_canonical,
destination,
};
log::debug!("Linking file {:#?}", link_desc);
depot.create_link(link_desc)?;
Ok(())
}
fn link_directory_recursive(
depot: &mut Depot,
dir_path: &Path,
destination: &Path,
base: &Path,
) -> anyhow::Result<()> {
for origin in dir_path.read_dir()? {
let origin = origin?.path();
link(depot, &origin, destination, base)?;
}
Ok(())
}
|
