Revision: 81463 http://trac.macports.org/changeset/81463 Author: dports@macports.org Date: 2011-07-31 02:22:36 -0700 (Sun, 31 Jul 2011) Log Message: ----------- fuse4x-kext: update post-activate logic. If another version of the kext is currently loaded, attempt to unload it. If that fails, print a list of filesystems that need to be unmounted. See #30437. Modified Paths: -------------- trunk/dports/fuse/fuse4x-kext/Portfile Modified: trunk/dports/fuse/fuse4x-kext/Portfile =================================================================== --- trunk/dports/fuse/fuse4x-kext/Portfile 2011-07-31 09:11:32 UTC (rev 81462) +++ trunk/dports/fuse/fuse4x-kext/Portfile 2011-07-31 09:22:36 UTC (rev 81463) @@ -66,13 +66,30 @@ xinstall -o root -m 4755 ${worksrcpath}/build/${xcode.configuration}/load_fuse4x ${destroot}${kextdir}/fuse4x.kext/Support } +# We don't need to load the kext, because the fuse4x library will +# autoload it when needed. However, if there's an existing version +# loaded, we'd better unload it because it might be a different +# version. +# +# Thus, check whether the kext is already loaded, and if so attempt to +# unload it. If that fails, the user probably needs to unmount some +# running filesystems; print a list. post-activate { - if {[string length [exec kextstat -lb org.fuse4x.kext.fuse4x]] > 0} { - ui_msg "********************************************************" - ui_msg "* fuse4x is already loaded. You may need to restart. *" - ui_msg "* Alternatively, if feeling adventurous, you can run *" - ui_msg "* `sudo kextunload -b org.fuse4x.kext.fuse4x` *" - ui_msg "********************************************************" + set kextid "org.fuse4x.kext.fuse4x" + if {[string length [exec /sbin/kextstat -lb $kextid]] > 0} { + ui_msg "Another version of Fuse4X is already loaded. Attempting to unload it." + if {![catch {exec /sbin/kextunload -b $kextid}]} { + ui_msg "Successfully unloaded the previous installation of Fuse4X" + } else { + set mounted [exec /sbin/mount -t fuse4x] + ui_warn "Unable to unload the existing Fuse4X kernel extension." + ui_warn "To complete the upgrade. please unmount the following filesystems " + ui_warn "and then run `sudo kextunload -b $kextid`:" + foreach line [split $mounted "\n"] { + regexp {on (/.*) \(fuse4x} $line -> mountpoint + ui_warn " - $mountpoint" + } + } } }