[Bug 2127231] Re: /usr/bin/b3sum is a dangling symlink

[Keith Thompson]

My previous comment was based on Ubuntu 25.10, with rust-coreutils
0.2.2-0ubuntu2.1.

I have a VM running an Ubuntu daily release (with updates): Ubuntu 26.04
with rust-coreutils 0.7.0-0ubuntu1.

On the latter system, `coreutils --list` omits 9 commands that are
included in the earlier version. They're all *sum commands, including
b3sum:

b3sum
hashsum
sha3-224sum
sha3-256sum
sha3-384sum
sha3-512sum
sha3sum
shake128sum
shake256sum

I have no idea how or why rust-coreutils dropped the b3sum command.

I still suggest that the contents of /usr/lib/cargo/bin/coreutils
directory should exactly match the set of commands supported by rust-
coreutils, as listed by `coreutils --list`. But with the changes in
rust-coreutils, this would imply that b3sum should be removed. (There's
a b3sum package.)

-- 
You received this bug notification because you are a member of Ubuntu
Foundations Bugs, which is subscribed to coreutils-from in Ubuntu.
https://bugs.launchpad.net/bugs/2127231

Title:
  /usr/bin/b3sum is a dangling symlink

Status in coreutils-from package in Ubuntu:
  Triaged

Bug description:
  A number of checksum commands are installed as symlinks in /usr/bin, 
  pointing to the uutils command in ../lib/cargo/bin/coreutils .
   
  uutils normally provides both "b2sum" and "b3sum" commands, but 
  b3sum is missing in Ubuntu 25.10.

  $ ls -l /usr/bin/b2sum /usr/bin/b3sum 
  lrwxrwxrwx 1 root root 32 Sep 26 11:16 /usr/bin/b2sum -> ../lib/cargo/bin/coreutils/b2sum
  lrwxrwxrwx 1 root root 32 Sep 26 11:16 /usr/bin/b3sum -> ../lib/cargo/bin/coreutils/b3sum
  $ ls -lL /usr/bin/b2sum /usr/bin/b3sum 
  ls: cannot access '/usr/bin/b3sum': No such file or directory
  -rwxr-xr-x 115 root root 10828088 Sep 24 08:36 /usr/bin/b2sum
  $

  ProblemType: Bug
  DistroRelease: Ubuntu 25.10
  Package: coreutils-from-uutils 0.0.0~ubuntu24
  Uname: Linux 6.6.87.2-microsoft-standard-WSL2 x86_64
  ApportVersion: 2.33.1-0ubuntu3
  Architecture: amd64
  CasperMD5CheckResult: unknown
  Date: Thu Oct  9 20:27:12 2025
  PackageArchitecture: all
  SourcePackage: coreutils-from
  UpgradeStatus: No upgrade log present (probably fresh install)

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/coreutils-from/+bug/2127231/+subscriptions