Only look where files should be

And make the strict mode more strict (do not exclude anything under `/var`).

This is a partial fix w.r.t. the need for the ability to add excluded folders, but should also improves performances a lot.

README.md

@@ -5,7 +5,7 @@ A simple script that identifies files not owned and not created by any Arch Linu
 Run the script as root. See the included man page for options. Care should be taken in deciding which files might be extraneous, particularly when running in strict mode.
 
 # Dependencies
-This script is only for Linux distros that use pacman for package management.  All dependencies are including he Arch Linux base group but are listed out here for general info:
+This script is only for Linux distros that use pacman for package management.  All dependencies are including the Arch Linux base group but are listed out here for general info:
 
 Executable | Arch package providing
 --- | ---

common/lostfiles.in

@@ -52,26 +52,7 @@ strict() {
   export LC_ALL=C
   comm -13 \
     <(pacman -Qlq | sed -e 's|/$||' | sort -u) \
-    <(find / -not \( \
-    -wholename '/dev' -prune -o \
-    -wholename '/home' -prune -o \
-    -wholename '/lost+found' -prune -o \
-    -wholename '/media' -prune -o \
-    -wholename '/mnt' -prune -o \
-    -wholename '/proc' -prune -o \
-    -wholename '/root' -prune -o \
-    -wholename '/run' -prune -o \
-    -wholename '/scratch' -prune -o \
-    -wholename '/srv' -prune -o \
-    -wholename '/sys' -prune -o \
-    -wholename '/tmp' -prune -o \
-    -wholename '/var/.updated' -prune -o \
-    -wholename '/var/lock' -prune -o \
-    -wholename '/var/lib' -prune -o \
-    -wholename '/var/log' -prune -o \
-    -wholename '/var/run' -prune -o \
-    -wholename '/var/spool' -prune \) | sort -u \
-    )
+    <(find /boot /etc /opt /srv /usr /var | sort -u)
 }
 
 # relaxed mode is more forgiving about hits
@@ -83,16 +64,13 @@ relaxed() {
 
   comm -13 \
     <(pacman -Qlq | sed -e 's|/$||' | sort -u) \
-    <(find / -not \( \
-    -wholename '/swapfile' -prune -o \
-    -wholename '/.snapshots' -prune -o \
+    <(find /boot /etc /opt /usr /var -not \( \
     -wholename '/boot/syslinux' -prune -o \
     -wholename '/boot/grub' -prune -o \
     -wholename '/boot/loader' -prune -o \
     -wholename '/boot/EFI' -prune -o \
     -wholename '/boot/initramfs*' -prune -o \
     -wholename '/boot/lost+found' -prune -o \
-    -wholename '/dev' -prune -o \
     -wholename '/etc/.etckeeper' -prune -o \
     -wholename '/etc/.git' -prune -o \
     -wholename '/etc/.pwd.lock' -prune -o \
@@ -143,19 +121,7 @@ relaxed() {
     -wholename '/etc/udev/rules.d/70-digitalocean-net.rules' -prune -o \
     -wholename '/etc/vconsole.conf' -prune -o \
     -wholename '/etc/zfs/zpool.cache' -prune -o \
-    -wholename '/home' -prune -o \
-    -wholename '/incoming' -prune -o \
-    -wholename '/lost+found' -prune -o \
-    -wholename '/media' -prune -o \
-    -wholename '/mnt' -prune -o \
     -wholename '/opt/google-appengine-go/appengine/api/*.pyc' -prune -o \
-    -wholename '/proc' -prune -o \
-    -wholename '/root' -prune -o \
-    -wholename '/run' -prune -o \
-    -wholename '/scratch' -prune -o \
-    -wholename '/srv' -prune -o \
-    -wholename '/sys' -prune -o \
-    -wholename '/tmp' -prune -o \
     -wholename '/usr/bin/__pycache__' -prune -o \
     -wholename '/usr/lib/virtualbox/ExtensionPacks/Oracle_VM_VirtualBox_Extension_Pack' -prune -o \
     -wholename '/usr/lib/locale/locale-archive' -prune -o \