Re: [PATCH] sequencer: avoid dropping fixup commit that targets self via commit-ish

Junio C Hamano [off-list ref] writes:

...  But use of _by_name() that does
not limit the input to hexadecimal _is_ a problem ...

Ah, no, sorry, this was wrong.  The original used "rev-parse -q --verify"
without restricting the "single word" to "sha1 prefix".