Re: Git clean enumerates ignored directories (since 2.27)

[Jeff King <peff@peff.net>]

On Wed, Apr 14, 2021 at 10:56:14PM +0000, brian m. carlson wrote:

> ----
> #!/bin/sh
> 
> git init test-repo
> cd test-repo
> longname="directory"
> touch "$longname.txt"
> last=400
> for x in $(seq 1 $last); do
>   mkdir "x$longname$x"
>   mv directory* "x$longname$x"
>   mv "x$longname$x" "$longname$x"
> done
> git clean -ffdxn -e directory$last
> ----
> 
> When it fails, it will complain that it wasn't able to open the
> directory.  It still exits zero, however.
> 
> I haven't bisected this, so I don't know if those patches are related to
> the problem or not.  I'm a little short on time today to investigate
> further, but hopefully this can get someone on the right path with a
> modified version and git bisect run if nothing else.

It bisects to 8d92fb2927 (dir: replace exponential algorithm with a
linear one, 2020-04-01). I won't pretend to understand everything going
on in that commit, though.

-Peff