feat(checksum): group flags under a ChecksumOptions struct

src/uu/cksum/src/cksum.rs

@@ -13,8 +13,8 @@ use std::iter;
 use std::path::Path;
 use uucore::checksum::{
     calculate_blake2b_length, detect_algo, digest_reader, perform_checksum_validation,
-    ChecksumError, ALGORITHM_OPTIONS_BLAKE2B, ALGORITHM_OPTIONS_BSD, ALGORITHM_OPTIONS_CRC,
-    ALGORITHM_OPTIONS_SYSV, SUPPORTED_ALGORITHMS,
+    ChecksumError, ChecksumOptions, ALGORITHM_OPTIONS_BLAKE2B, ALGORITHM_OPTIONS_BSD,
+    ALGORITHM_OPTIONS_CRC, ALGORITHM_OPTIONS_SYSV, SUPPORTED_ALGORITHMS,
 };
 use uucore::{
     encoding,
@@ -318,17 +318,16 @@ pub fn uumain(args: impl uucore::Args) -> UResult<()> {
             || iter::once(OsStr::new("-")).collect::<Vec<_>>(),
             |files| files.map(OsStr::new).collect::<Vec<_>>(),
         );
-        return perform_checksum_validation(
-            files.iter().copied(),
-            strict,
-            status,
-            warn,
-            binary_flag,
+        let opts = ChecksumOptions {
+            binary: binary_flag,
             ignore_missing,
             quiet,
-            algo_option,
-            length,
-        );
+            status,
+            strict,
+            warn,
+        };
+
+        return perform_checksum_validation(files.iter().copied(), algo_option, length, opts);
     }
 
     let (tag, asterisk) = handle_tag_text_binary_flags(&matches)?;

src/uu/hashsum/src/hashsum.rs

@@ -23,6 +23,7 @@ use uucore::checksum::digest_reader;
 use uucore::checksum::escape_filename;
 use uucore::checksum::perform_checksum_validation;
 use uucore::checksum::ChecksumError;
+use uucore::checksum::ChecksumOptions;
 use uucore::checksum::HashAlgorithm;
 use uucore::error::{FromIo, UResult};
 use uucore::sum::{Digest, Sha3_224, Sha3_256, Sha3_384, Sha3_512, Shake128, Shake256};
@@ -239,18 +240,21 @@ pub fn uumain(mut args: impl uucore::Args) -> UResult<()> {
             || iter::once(OsStr::new("-")).collect::<Vec<_>>(),
             |files| files.map(OsStr::new).collect::<Vec<_>>(),
         );
+        let opts = ChecksumOptions {
+            binary,
+            ignore_missing,
+            quiet,
+            status,
+            strict,
+            warn,
+        };
 
         // Execute the checksum validation
         return perform_checksum_validation(
             input.iter().copied(),
-            strict,
-            status,
-            warn,
-            binary,
-            ignore_missing,
-            quiet,
             Some(algo.name),
             Some(algo.bits),
+            opts,
         );
     } else if quiet {
         return Err(ChecksumError::QuietNotCheck.into());

src/uucore/src/lib/features/checksum.rs

@@ -75,6 +75,17 @@ struct ChecksumResult {
     pub failed_open_file: i32,
 }
 
+/// This struct regroups CLI flags.
+#[derive(Debug, Default, Clone, Copy)]
+pub struct ChecksumOptions {
+    pub binary: bool,
+    pub ignore_missing: bool,
+    pub quiet: bool,
+    pub status: bool,
+    pub strict: bool,
+    pub warn: bool,
+}
+
 #[derive(Debug, Error)]
 pub enum ChecksumError {
     #[error("the --raw option is not supported with multiple files")]
@@ -505,17 +516,11 @@ fn identify_algo_name_and_length(
 /***
  * Do the checksum validation (can be strict or not)
 */
-#[allow(clippy::too_many_arguments)]
 pub fn perform_checksum_validation<'a, I>(
     files: I,
-    strict: bool,
-    status: bool,
-    warn: bool,
-    binary: bool,
-    ignore_missing: bool,
-    quiet: bool,
     algo_name_input: Option<&str>,
     length_input: Option<usize>,
+    opts: ChecksumOptions,
 ) -> UResult<()>
 where
     I: Iterator<Item = &'a OsStr>,
@@ -610,7 +615,8 @@ where
 
                 // manage the input file
                 let file_to_check =
-                    match get_file_to_check(&real_filename_to_check, ignore_missing, &mut res) {
+                    match get_file_to_check(&real_filename_to_check, opts.ignore_missing, &mut res)
+                    {
                         Some(file) => file,
                         None => continue,
                     };
@@ -619,11 +625,11 @@ where
                 let create_fn = &mut algo.create_fn;
                 let mut digest = create_fn();
                 let (calculated_checksum, _) =
-                    digest_reader(&mut digest, &mut file_reader, binary, algo.bits).unwrap();
+                    digest_reader(&mut digest, &mut file_reader, opts.binary, algo.bits).unwrap();
 
                 // Do the checksum validation
                 if expected_checksum == calculated_checksum {
-                    if !quiet && !status {
+                    if !opts.quiet && !opts.status {
                         print_file_report(
                             std::io::stdout(),
                             filename_to_check,
@@ -633,7 +639,7 @@ where
                     }
                     correct_format += 1;
                 } else {
-                    if !status {
+                    if !opts.status {
                         print_file_report(
                             std::io::stdout(),
                             filename_to_check,
@@ -648,7 +654,7 @@ where
                     // Don't show any warning for empty or commented lines.
                     continue;
                 }
-                if warn {
+                if opts.warn {
                     let algo = if let Some(algo_name_input) = algo_name_input {
                         algo_name_input.to_uppercase()
                     } else {
@@ -670,7 +676,7 @@ where
         // not a single line correctly formatted found
         // return an error
         if !properly_formatted {
-            if !status {
+            if !opts.status {
                 return Err(ChecksumError::NoProperlyFormattedChecksumLinesFound {
                     filename: get_filename_for_output(filename_input, input_is_stdin),
                 }
@@ -682,9 +688,9 @@ where
         }
 
         // if any incorrectly formatted line, show it
-        cksum_output(&res, status);
+        cksum_output(&res, opts.status);
 
-        if ignore_missing && correct_format == 0 {
+        if opts.ignore_missing && correct_format == 0 {
             // we have only bad format
             // and we had ignore-missing
             eprintln!(
@@ -696,13 +702,13 @@ where
         }
 
         // strict means that we should have an exit code.
-        if strict && res.bad_format > 0 {
+        if opts.strict && res.bad_format > 0 {
             set_exit_code(1);
         }
 
         // if we have any failed checksum verification, we set an exit code
         // except if we have ignore_missing
-        if (res.failed_cksum > 0 || res.failed_open_file > 0) && !ignore_missing {
+        if (res.failed_cksum > 0 || res.failed_open_file > 0) && !opts.ignore_missing {
             set_exit_code(1);
         }
     }