*sum: protect names against argv[0] (#11375)

src/uu/b2sum/src/b2sum.rs

@@ -26,4 +26,5 @@ pub fn uumain(args: impl uucore::Args) -> UResult<()> {
 #[inline]
 pub fn uu_app() -> Command {
     standalone_checksum_app_with_length(translate!("b2sum-about"), translate!("b2sum-usage"))
+        .name("b2sum")
 }

src/uu/checksum_common/src/lib.rs

@@ -48,6 +48,7 @@ macro_rules! declare_standalone {
                 ::uucore::translate!(concat!($bin, "-about")),
                 ::uucore::translate!(concat!($bin, "-usage")),
             )
+            .name($bin)
         }
     };
 }
@@ -96,7 +97,7 @@ pub fn standalone_main(algo: AlgoKind, cmd: Command, args: impl uucore::Args) ->
 
 /// Base command processing for all the checksum executables.
 pub fn default_checksum_app(about: String, usage: String) -> Command {
-    Command::new(util_name())
+    Command::new("")
         .version(crate_version!())
         .help_template(localized_help_template(util_name()))
         .about(about)

src/uu/cksum/src/cksum.rs

@@ -118,6 +118,7 @@ pub fn uumain(args: impl uucore::Args) -> UResult<()> {
 
 pub fn uu_app() -> Command {
     default_checksum_app(translate!("cksum-about"), translate!("cksum-usage"))
+        .name("cksum")
         .with_algo()
         .with_untagged()
         .with_tag(true)

src/uu/sum/src/sum.rs

@@ -137,9 +137,9 @@ pub fn uumain(args: impl uucore::Args) -> UResult<()> {
 }
 
 pub fn uu_app() -> Command {
-    Command::new(uucore::util_name())
+    Command::new("sum")
         .version(uucore::crate_version!())
-        .help_template(uucore::localized_help_template(uucore::util_name()))
+        .help_template(uucore::localized_help_template("sum"))
         .override_usage(format_usage(&translate!("sum-usage")))
         .about(translate!("sum-about"))
         .infer_long_args(true)