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dcb-undrv now correctly sets the modification date on directories.

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This commit is contained in:
Filipe Rodrigues 2021-04-05 15:45:41 +01:00
parent 27f296304b
commit a5506c6688
1 changed files with 17 additions and 4 deletions
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21
dcb-tools/dcb-undrv/src/main.rs
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@ -33,6 +33,7 @@ fn main() -> Result<(), anyhow::Error> {
// Open the file and parse a `drv` filesystem from it.
let input_file = fs::File::open(&input_file_path).context("Unable to open input file")?;
let input_file_metadata = input_file.metadata().context("Unable to get input file metadata")?;
let mut input_file = io::BufReader::new(input_file);
// Create output directory if it doesn't exist
@ -42,6 +43,16 @@ fn main() -> Result<(), anyhow::Error> {
if let Err(err) = self::extract_tree(&mut input_file, &DrvFsReader::root(), &output_dir, &cli_data) {
log::error!("Unable to extract files from {}: {:?}", input_file_path.display(), err);
}
// And set it's time to the input file
let time = filetime::FileTime::from_last_modification_time(&input_file_metadata);
if let Err(err) = filetime::set_file_mtime(&output_dir, time) {
log::warn!(
"Unable to write date for output directory {}: {}",
output_dir.display(),
dcb_util::fmt_err_wrapper(&err)
);
}
}
Ok(())
@ -106,8 +117,13 @@ fn extract_tree<R: io::Read + io::Seek>(reader: &mut R, dir: &DirReader, path: &
println!("{}/", path.display());
}
// Create the directory and set it's modification date
// Create the directory and recurse over it
dcb_util::try_create_folder(&path).with_context(|| format!("Unable to create directory {}", path.display()))?;
self::extract_tree(reader, dir, &path, &cli_data).with_context(|| format!("Unable to extract directory {}", path.display()))?;
// Then set it's date
// Note: We must do this *after* extracting the tree, else the time
// will be updated.
if let Err(err) = filetime::set_file_mtime(&path, time) {
log::warn!(
"Unable to write date for directory {}: {}",
@ -115,9 +131,6 @@ fn extract_tree<R: io::Read + io::Seek>(reader: &mut R, dir: &DirReader, path: &
dcb_util::fmt_err_wrapper(&err)
);
}
// Then recurse over it
self::extract_tree(reader, dir, &path, &cli_data).with_context(|| format!("Unable to extract directory {}", path.display()))?;
},
}
}