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Throw an error if root directory is non-existent, fixes #39

This commit is contained in:
sharkdp 2017-06-11 20:41:32 +02:00
parent 24070b0be0
commit 1b1f644398
1 changed files with 16 additions and 7 deletions
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23
src/main.rs
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@ -105,7 +105,7 @@ fn print_entry(base: &Path, entry: &Path, config: &FdOptions) {
let comp_str = match component {
Component::Normal(p) => p.to_string_lossy(),
Component::ParentDir => Cow::from(PARENT_DIR),
_ => error("Unexpected path component")
_ => error("Error: unexpected path component")
};
component_path.push(Path::new(comp_str.deref()));
@ -178,7 +178,7 @@ fn scan(root: &Path, pattern: &Regex, base: &Path, config: &FdOptions) {
for entry in walker {
let path_rel_buf = match fshelper::path_relative_from(entry.path(), base) {
Some(p) => p,
None => error("Could not get relative path for directory entry.")
None => error("Error: could not get relative path for directory entry.")
};
let path_rel = path_rel_buf.as_path();
@ -257,14 +257,23 @@ fn main() {
// Get the current working directory
let current_dir_buf = match env::current_dir() {
Ok(cd) => cd,
Err(_) => error("Could not get current directory!")
Err(_) => error("Error: could not get current directory!")
};
let current_dir = current_dir_buf.as_path();
// Get the root directory for the search
let root_dir_buf = matches.value_of("path")
.and_then(|r| fs::canonicalize(r).ok())
.unwrap_or_else(|| current_dir_buf.clone());
let root_dir_buf = if let Some(rd) = matches.value_of("path") {
fs::canonicalize(rd).unwrap_or_else(
|_| error(&format!("Error: could not find directory '{}'", rd))
)
} else {
current_dir_buf.clone()
};
if !root_dir_buf.is_dir() {
error(&format!("Error: '{}' is not a directory", root_dir_buf.to_string_lossy()));
}
let root_dir = root_dir_buf.as_path();
// The search will be case-sensitive if the command line flag is set or
@ -294,7 +303,7 @@ fn main() {
read_ignore: !matches.is_present("no-ignore"),
follow_links: matches.is_present("follow"),
max_depth: matches.value_of("depth")
.and_then(|ds| usize::from_str_radix(&ds, 10).ok()),
.and_then(|ds| usize::from_str_radix(ds, 10).ok()),
path_display: if matches.is_present("absolute-path") {
PathDisplay::Absolute
} else {