[bug #61009] xargs need option to immediately stop on command fail

Follow-up Comment #9, bug #61009 (project findutils):

[comment #5 comment #5:]

> find . -type f \( -exec cp -t "${IMGDIR_DST}" {} + -o -quit \)

That will never evaluate -quit because -exec ... {} + is always true, as
required by POSIX. (With the '+' terminator, command failure is communicated
via find's exit status instead.)

$ find --version 2>&1 | head -n 1
find (GNU findutils) 4.6.0.225-235f
$ find . -type d \( -exec sh -c 'exit 1' {} + -o -print \)
$ echo $?
1
$ find . -type d \( -exec sh -c 'exit 1' {} \; -o -print \)
.
$ echo $?
0


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