remove --fetch-thread-count long option (-j remains)

src/main.rs

@@ -82,24 +82,20 @@ mod util;
 struct Cli {
     #[arg(short = 'r', long)]
     repo: Option<String>,
+
     #[arg(long)]
     password_command: Option<String>,
-    #[arg(
-        short = 'j',
-        long,
-        default_value_t = 4,
-        long_help = "
-            How many restic subprocesses to spawn concurrently.
-
-            If you get ssh-related errors or too much memory use
-            try lowering this."
-    )]
-    fetching_thread_count: usize,
+
+    ///  How many restic subprocesses to spawn concurrently.
+    ///
+    /// If you get ssh-related errors or too much memory use try lowering this.
+    #[arg(short = 'j', value_name = "NUMBER", default_value_t = 4)]
+    parallelism: usize,
+
+    /// Log verbosity level. You can pass it multiple times (maxes out at two).
     #[arg(
         short = 'v',
         action = clap::ArgAction::Count,
-        long_help =
-            "Log verbosity level. You can pass it multiple times (maxes out at two)."
     )]
     verbose: u8,
 
@@ -179,7 +175,7 @@ fn main() -> anyhow::Result<()> {
         }
     };
 
-    sync_snapshots(&restic, &mut cache, cli.fetching_thread_count)?;
+    sync_snapshots(&restic, &mut cache, cli.parallelism)?;
 
     let entries = cache.get_entries(None)?;
     if entries.is_empty() {

src/restic.rs

@@ -320,7 +320,7 @@ pub fn escape_for_exclude(path: &str) -> Cow<str> {
     fn push_as_inverse_range(buf: &mut String, c: char) {
         #[rustfmt::skip]
         let cs = [
-            '[', '^', 
+            '[', '^',
             char::MIN, '-', char::backward(c, 1),
             char::forward(c, 1), '-', char::MAX,
             ']',