Completely re-written to be more modular (hopefully easier to follow):

* Separated logic in Snap.pm, Commands.pm, Package.pm, and Sources.pm
  * Removed usher creation of directory structure (now in files.tar.gz)
  * Files like /etc/passwd now handled by snap-base

SNAP/usher

@@ -2,94 +2,9 @@
 
 set -e
 
-PASSWD="root:SETPASS:0:0:root:/root:/bin/bash
-bin:x:1:1:bin:/dev/null:/bin/false
-daemon:x:6:6:Daemon User:/dev/null:/bin/false
-messagebus:x:18:18:D-Bus Message Daemon User:/var/run/dbus:/bin/false
-nobody:x:99:99:Unprivileged User:/dev/null:/bin/false"
-
-GROUP="root:x:0:
-bin:x:1:daemon
-sys:x:2:
-kmem:x:3:
-tape:x:4:
-tty:x:5:
-daemon:x:6:
-floppy:x:7:
-disk:x:8:
-lp:x:9:
-dialout:x:10:
-audio:x:11:
-video:x:12:
-utmp:x:13:
-usb:x:14:
-cdrom:x:15:
-adm:x:16:
-messagebus:x:18:
-input:x:24:
-mail:x:34:
-nogroup:x:99:
-users:x:999:"
-
 case $1 in
   preinst)
-    echo "Creating base directory structure"
-    install -d -m 755 ${TARGET}/etc/{ld.so,conf.d,opt}
-    install -d -m 755 ${TARGET}/usr/bin
-    install -d -m 755 ${TARGET}/bin
-    install -d -m 755 ${TARGET}/boot
-    install -d -m 755 ${TARGET}/dev
-    install -d -m 755 ${TARGET}/home
-    install -d -m 755 ${TARGET}/lib
-    install -d -m 755 ${TARGET}/media/{cdrom,floppy}
-    install -d -m 755 ${TARGET}/mnt
-    install -d -m 755 ${TARGET}/opt
-    install -d -m 755 ${TARGET}/proc
-    install -d -m 750 ${TARGET}/root
-    install -d -m 755 ${TARGET}/run/lock
-    install -d -m 755 ${TARGET}/sbin
-    install -d -m 755 ${TARGET}/srv
-    install -d -m 755 ${TARGET}/sys
-    install -d -m 1777 ${TARGET}/tmp
-    install -d -m 755 ${TARGET}/usr/{bin,include,lib,libexec,local}
-    install -d -m 755 ${TARGET}/usr/local/{bin,include,lib,sbin,share}
-    install -d -m 755 \
-    	${TARGET}/usr/local/share/{color,dict,doc,info,locale,man}
-    install -d -m 755 ${TARGET}/usr/local/share/man/man{1..8}
-    install -d -m 755 ${TARGET}/usr/local/share/{misc,terminfo,zoneinfo}
-    install -d -m 755 ${TARGET}/usr/local/src
-    install -d -m 755 ${TARGET}/usr/{sbin,share}
-    install -d -m 755 ${TARGET}/usr/share/{color,dict,doc,info,locale}
-    install -d -m 755 ${TARGET}/usr/share/man/man{1..8}
-    install -d -m 755 ${TARGET}/usr/share/{misc,snap,terminfo,zoneinfo}
-    install -d -m 755 ${TARGET}/usr/src
-    install -d -m 755 ${TARGET}/var/cache/nscd
-    install -d -m 755 ${TARGET}/var/lib/{color,locate,misc}
-    install -d -m 755 ${TARGET}/var/{local,log,mail,opt,snap,spool}
-    install -d -m 1777 ${TARGET}/var/tmp
-    install -m 600 /dev/null ${TARGET}/var/log/btmp
-    install -m 644 /dev/null ${TARGET}/var/log/wtmp
-    install -m 664 /dev/null ${TARGET}/var/log/lastlog
-    ln -sf /proc/self/mounts ${TARGET}/etc/mtab
-    ln -sf lib ${TARGET}/lib64
-    ln -sf lib ${TARGET}/usr/lib64
-    ln -sf lib ${TARGET}/usr/local/lib64
-    ln -sf /run/lock ${TARGET}/var/lock
-    ln -sf /run ${TARGET}/var/run
-
-    if [ ! -f ${TARGET}/etc/resolv.conf ]&&[ -f /etc/resolv.conf ]; then
-      echo "Copying resolv.conf from temporary system"
-      cp /etc/resolv.conf ${TARGET}/etc/resolv.conf
-    fi
-
-    if [ ! -f ${TARGET}/etc/passwd ]; then
-      echo "Creating /etc/passwd"
-      echo "${PASSWD}" > ${TARGET}/etc/passwd
-    fi
-    if [ ! -f ${TARGET}/etc/group ]; then
-      echo "Creating /etc/group"
-      echo "${GROUP}" > ${TARGET}/etc/group
-    fi
+    exit 0
     ;;
   postinst)
     setpass=`cat ${TARGET}/etc/shadow|grep ^root|awk -F':' '{print $2}'`