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|
use super::Scripter;
use super::Tarballer;
use crate::compression::CompressionFormats;
use crate::util::*;
use anyhow::{bail, format_err, Context, Result};
use std::io::Write;
use std::path::Path;
actor! {
#[derive(Debug)]
pub struct Generator {
/// The name of the product, for display
product_name: String = "Product",
/// The name of the component, distinct from other installed components
component_name: String = "component",
/// The name of the package, tarball
package_name: String = "package",
/// The directory under lib/ where the manifest lives
rel_manifest_dir: String = "packagelib",
/// The string to print after successful installation
success_message: String = "Installed.",
/// Places to look for legacy manifests to uninstall
legacy_manifest_dirs: String = "",
/// Directory containing files that should not be installed
non_installed_overlay: String = "",
/// Path prefixes of directories that should be installed/uninstalled in bulk
bulk_dirs: String = "",
/// The directory containing the installation medium
image_dir: String = "./install_image",
/// The directory to do temporary work
work_dir: String = "./workdir",
/// The location to put the final image and tarball
output_dir: String = "./dist",
/// The formats used to compress the tarball
compression_formats: CompressionFormats = CompressionFormats::default(),
}
}
impl Generator {
/// Generates the actual installer tarball
pub fn run(self) -> Result<()> {
create_dir_all(&self.work_dir)?;
let package_dir = Path::new(&self.work_dir).join(&self.package_name);
if package_dir.exists() {
remove_dir_all(&package_dir)?;
}
// Copy the image and write the manifest
let component_dir = package_dir.join(&self.component_name);
create_dir_all(&component_dir)?;
copy_and_manifest(self.image_dir.as_ref(), &component_dir, &self.bulk_dirs)?;
// Write the component name
let components = package_dir.join("components");
writeln!(create_new_file(components)?, "{}", self.component_name)
.context("failed to write the component file")?;
// Write the installer version (only used by combine-installers.sh)
let version = package_dir.join("rust-installer-version");
writeln!(
create_new_file(version)?,
"{}",
crate::RUST_INSTALLER_VERSION
)
.context("failed to write new installer version")?;
// Copy the overlay
if !self.non_installed_overlay.is_empty() {
copy_recursive(self.non_installed_overlay.as_ref(), &package_dir)?;
}
// Generate the install script
let output_script = package_dir.join("install.sh");
let mut scripter = Scripter::default();
scripter
.product_name(self.product_name)
.rel_manifest_dir(self.rel_manifest_dir)
.success_message(self.success_message)
.legacy_manifest_dirs(self.legacy_manifest_dirs)
.output_script(path_to_str(&output_script)?.into());
scripter.run()?;
// Make the tarballs
create_dir_all(&self.output_dir)?;
let output = Path::new(&self.output_dir).join(&self.package_name);
let mut tarballer = Tarballer::default();
tarballer
.work_dir(self.work_dir)
.input(self.package_name)
.output(path_to_str(&output)?.into())
.compression_formats(self.compression_formats.clone());
tarballer.run()?;
Ok(())
}
}
/// Copies the `src` directory recursively to `dst`, writing `manifest.in` too.
fn copy_and_manifest(src: &Path, dst: &Path, bulk_dirs: &str) -> Result<()> {
let manifest = create_new_file(dst.join("manifest.in"))?;
let bulk_dirs: Vec<_> = bulk_dirs
.split(',')
.filter(|s| !s.is_empty())
.map(Path::new)
.collect();
copy_with_callback(src, dst, |path, file_type| {
// We need paths to be compatible with both Unix and Windows.
if path
.components()
.filter_map(|c| c.as_os_str().to_str())
.any(|s| s.contains('\\'))
{
bail!(
"rust-installer doesn't support '\\' in path components: {:?}",
path
);
}
// Normalize to Unix-style path separators.
let normalized_string;
let mut string = path.to_str().ok_or_else(|| {
format_err!(
"rust-installer doesn't support non-Unicode paths: {:?}",
path
)
})?;
if string.contains('\\') {
normalized_string = string.replace('\\', "/");
string = &normalized_string;
}
if file_type.is_dir() {
// Only manifest directories that are explicitly bulk.
if bulk_dirs.contains(&path) {
writeln!(&manifest, "dir:{}", string)?;
}
} else {
// Only manifest files that aren't under bulk directories.
if !bulk_dirs.iter().any(|d| path.starts_with(d)) {
writeln!(&manifest, "file:{}", string)?;
}
}
Ok(())
})
}
|
