Fix the -n, --no flag usage and add an alias for the compress subcommand

src/cli.rs

@@ -94,12 +94,14 @@ pub fn parse_args_from(mut args: Vec<OsString>) -> crate::Result<ParsedArgs> {
         });
     }
 
-    let subcommands = &["compress"];
+    let subcommands = &[
+        "c", "compress"
+    ];
 
     let mut flags_info = vec![flag!('y', "yes"), flag!('n', "no")];
 
     let parsed_args = match oof::pop_subcommand(&mut args, subcommands) {
-        Some(&"compress") => {
+        Some(&"c") | Some(&"compress") => {
             // `ouch compress` subcommand
             let (args, flags) = oof::filter_flags(args, &flags_info)?;
             let mut files: Vec<PathBuf> = args.into_iter().map(PathBuf::from).collect();
@@ -133,13 +135,10 @@ pub fn parse_args_from(mut args: Vec<OsString>) -> crate::Result<ParsedArgs> {
             // Parse flags
             let (args, mut flags) = oof::filter_flags(args, &flags_info)?;
 
-            let files = args.into_iter().map(canonicalize);
-            for file in files.clone() {
-                if let Err(err) = file {
-                    return Err(err);
-                }
-            }
-            let files = files.map(Result::unwrap).collect();
+            let files = args
+                .into_iter()
+                .map(canonicalize)
+                .collect::<Result<Vec<_>, _>>()?;
 
             let output_folder = flags.take_arg("output").map(PathBuf::from);
 

src/commands.rs

@@ -49,7 +49,7 @@ type BoxedDecompressor = Box<dyn Decompressor>;
 
 fn get_compressor(file: &File) -> crate::Result<(Option<BoxedCompressor>, BoxedCompressor)> {
     let extension = match &file.extension {
-        Some(extension) => extension.clone(),
+        Some(extension) => extension,
         None => {
             // This is reached when the output file given does not have an extension or has an unsupported one
             return Err(crate::Error::MissingExtensionError(file.path.to_path_buf()));
@@ -58,7 +58,7 @@ fn get_compressor(file: &File) -> crate::Result<(Option<BoxedCompressor>, BoxedC
 
     // Supported first compressors:
     // .tar and .zip
-    let first_compressor: Option<Box<dyn Compressor>> = match extension.first_ext {
+    let first_compressor: Option<Box<dyn Compressor>> = match &extension.first_ext {
         Some(ext) => match ext {
             CompressionFormat::Tar => Some(Box::new(TarCompressor)),
             CompressionFormat::Zip => Some(Box::new(ZipCompressor)),
@@ -84,7 +84,7 @@ fn get_compressor(file: &File) -> crate::Result<(Option<BoxedCompressor>, BoxedC
 
 fn get_decompressor(file: &File) -> crate::Result<(Option<BoxedDecompressor>, BoxedDecompressor)> {
     let extension = match &file.extension {
-        Some(extension) => extension.clone(),
+        Some(extension) => extension,
         None => {
             // This block *should* be unreachable
             eprintln!(
@@ -104,7 +104,7 @@ fn get_decompressor(file: &File) -> crate::Result<(Option<BoxedDecompressor>, Bo
         CompressionFormat::Bzip => Box::new(BzipDecompressor),
     };
 
-    let first_decompressor: Option<Box<dyn Decompressor>> = match extension.first_ext {
+    let first_decompressor: Option<Box<dyn Decompressor>> = match &extension.first_ext {
         Some(ext) => match ext {
             CompressionFormat::Tar => Some(Box::new(TarDecompressor)),
             CompressionFormat::Zip => Some(Box::new(ZipDecompressor)),

src/utils.rs

@@ -105,7 +105,7 @@ pub fn permission_for_overwriting(
     flags: &oof::Flags,
     confirm: &Confirmation,
 ) -> crate::Result<bool> {
-    match (flags.is_present("yes"), flags.is_present("false")) {
+    match (flags.is_present("yes"), flags.is_present("no")) {
         (true, true) => {
             unreachable!("This should've been cutted out in the ~/src/cli.rs filter flags function.")
         }