Description:

arp-scan 1.10.0-1 installs mac-vendor.txt in /usr/etc/arp-scan. I think it should use /etc/arp-scan instead.

arp-scan was configured with "./configure --prefix=/usr --mandir=/usr/share/man". I think it should use "./configure --prefix=/usr --mandir=/usr/share/man --sysconfdir=/etc".

This has only become an issue with version 1.10.0 because the location of the mac-vendor.txt file has changed. In previous versions it was installed in $(pkgdatadir) which expanded to /usr/share/arp-scan when configured with --prefix=/usr. In version 1.10.0 it installs to $(sysconfdir)/$(PACKAGE) which expands to /etc/arp-scan when configured with --sysconfdir=/etc. This change is because some users add their own mappings to mac-vendor.txt, so I think it belongs in $(sysconfdir)/$(PACKAGE). Upstream changes to this file should be rare.

From the arp-scan 1.10.0 NEWS.md file:

`mac-vendor.txt` is now installed to `$(sysconfdir)/$(PACKAGE)` instead of
`$(pkgdatadir)`. E.g. `/usr/local/etc/arp-scan` if ./configured with no
directory options, or `/etc/arp-scan` with `--sysconfdir=/etc`. This is to
permit local changes to persist across upgrades.

Additional info:
* package version(s): 1.10.0-1
* config and/or log files etc.:

[rsh@arch ~]$ pacman -Ql arp-scan | grep mac-vendor.txt
arp-scan /usr/etc/arp-scan/mac-vendor.txt

* link to upstream bug report, if any

Mentioned in this github ticket: https://github.com/royhills/arp-scan/issues/119

"By the way, most distros add --sysconfdir=/etc to ./configure so mac-vendor.txt goes in /etc/arp-scan rather than /usr/etc/arp-scan, but the arch package doesn't do this. I'm not sure if that's intentional or not - /usr/etc is an unusual directory."

Steps to reproduce:

$ pacman -Ql arp-scan | grep mac-vendor.txt