On 2026-05-13, Jean-François Bachelet wrote:
> Someone can tell me what's this 'detournement de /usr/bin/firefox en
> /usr/firefox.real par firefox-esr' ???
$ cat /var/lib/dpkg/info/firefox-esr.preinst
#!/bin/sh -e
if [ "$1" = "upgrade" ] || [ "$1" = "install" ] ; then
dpkg-divert --package firefox-esr --divert /usr/bin/firefox.real --rename
/usr/bin/firefox
fi
>From man dpkg-divert
--divert divert-to
divert-to is the location where the versions of file, as
provided by other packages, will be diverted.
So if /usr/bin/firefox exist (from another package or manual install) it
will be renamed to /usr/bin/firefox.real
