fix broken pipe panic

Cargo.lock

@@ -1732,6 +1732,7 @@ dependencies = [
  "integer-sqrt",
  "itertools",
  "lazy_static",
+ "libc",
  "log",
  "merge",
  "nix",

Cargo.toml

@@ -86,6 +86,7 @@ users = "0.11"
 itertools = "0.10"
 simplelog = "0.12"
 comfy-table = "6.1.2"
+libc="0.2"
 
 [dev-dependencies]
 rstest = "0.15"

src/main.rs

@@ -41,5 +41,12 @@ mod index;
 mod repo;
 
 fn main() -> Result<()> {
+    // this is a workaround until unix_sigpipe (https://github.com/rust-lang/rust/issues/97889) is available.
+    // See also https://github.com/rust-lang/rust/issues/46016
+    #[allow(unsafe_code)]
+    unsafe {
+        libc::signal(libc::SIGPIPE, libc::SIG_DFL);
+    }
+
     commands::execute()
 }