[jayhemnani9910]

xargs -t prints the Rust debug form of the Command, which lists every environment variable:

$ echo 'a b' | env -i HOME=/home/u LANG=en_US.UTF-8 PATH=/usr/bin:/bin xargs -t echo
env -i HOME="/home/u" LANG="en_US.UTF-8" PATH="/usr/bin:/bin" "echo" "a" "b"
a b

GNU prints the command and its arguments on one line, each quoted only where a shell would need it (shell_escape_quoting_style in print_args):

$ printf '"a b" c$d\n' | xargs -t echo
echo 'a b' 'c$d'

The line is now built from get_program() and get_args() with uucore's QuotingStyle::SHELL_ESCAPE. This enables uucore's quoting-style feature, which brings in the icu locale crates (16 new entries in Cargo.lock).

New test xargs_verbose_prints_the_command_line fails on main; cargo test passes, clippy and fmt clean.

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 92.80%. Comparing base (d71f324) to head (0bc8150).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #936   +/-   ##
=======================================
  Coverage   92.79%   92.80%           
=======================================
  Files          37       37           
  Lines        8038     8046    +8     
  Branches      403      403           
=======================================
+ Hits         7459     7467    +8     
  Misses        437      437           
  Partials      142      142           

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[codspeed]

Merging this PR will not alter performance

1 warning

⚠️ 15 benchmarks are dominated by system calls

System calls cannot be simulated consistently and are left out of the measure. The reported value understates the real cost. Switch to the Walltime instrument to measure them.

Learn more about system calls

See affected benchmarks

✅ 20 untouched benchmarks

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_{Comparing jayhemnani9910:xargs-verbose-command (0bc8150) with main (d71f324)}