Radix cross Linux

Index: postfix-pkg-install.sh
===================================================================
--- postfix-pkg-install.sh	(nonexistent)
+++ postfix-pkg-install.sh	(revision 5)
@@ -0,0 +1,124 @@
+#!/bin/sh
+
+# Preserve new files
+install_file() {
+  NEW="$1"
+  OLD="`dirname $NEW`/`basename $NEW .new`"
+  # If there's no file by that name, mv it over:
+  if [ ! -r $OLD ]; then
+    mv $NEW $OLD
+  elif [ "`cat $OLD | md5sum`" = "`cat $NEW | md5sum`" ]; then # toss the redundant copy
+    rm $NEW
+  fi
+  # Otherwise, we leave the .new copy for the admin to consider...
+}
+
+preserve_perms() {
+  NEW="$1"
+  OLD="$(dirname $NEW)/$(basename $NEW .new)"
+  if [ -e $OLD ]; then
+    cp -a $OLD ${NEW}.incoming
+    cat $NEW > ${NEW}.incoming
+    touch -r $NEW ${NEW}.incoming
+    mv ${NEW}.incoming $NEW
+  fi
+  install_file $NEW
+}
+
+
+# arg 1:  the new package version
+pre_install() {
+  /bin/true
+}
+
+# arg 1:  the new package version
+post_install() {
+  # Make sure that the postfix user (UID 91, GID 91),
+  # and the postdrop group (GID 92) exist on this system:
+  if ! grep -q "^postfix:" etc/passwd ; then
+    echo "postfix:x:91:91:User for Postfix MTA:/dev/null:/bin/false" >> etc/passwd
+  fi
+  if ! grep -q "^postfix:" etc/group ; then
+    echo "postfix:x:91:" >> etc/group
+  fi
+  if ! grep -q "^postdrop:" etc/group ; then
+    echo "postdrop:x:92:" >> etc/group
+  fi
+
+  find etc/postfix -type f -name '*.new' | while read new ; do
+    install_file $new
+  done
+
+  preserve_perms etc/rc.d/rc.postfix.new
+  install_file etc/aliases.new
+
+  ( cd etc/postfix ; ln -s ../aliases aliases )
+
+  # Don't keep aliases.new. If it exists, the user already defined aliases.
+  rm -f etc/aliases.new
+
+  # This is for backward compatibility with the old Sendmail package;
+  # some software might still expect to find the /usr/lib/sendmail link.
+  if [ ! -d usr/lib ]; then
+    mkdir -p usr/lib
+    ( cd usr/lib ; rm -f sendmail )
+    ( cd usr/lib ; ln -s ../sbin/sendmail sendmail)
+  fi
+
+  # We have to check that we are not in the installer mode on the target system
+  # ("/etc/system-installer"), and we have to be sure that we are on the working system
+  # on the target hardware ("proc/sys/kernel/osrelease" - relative path).
+  if [ -r proc/sys/kernel/osrelease -a ! -r /etc/system-installer ]; then
+    # No reason to keep these: upgrade-configuration will take care
+    # of merging changes needed to the existing files
+    rm -f /etc/postfix/main.cf.new /etc/postfix/master.cf.new
+  fi
+
+  # The upgrade-configuration command will add any necessary new settings to
+  # existing config files (/etc/postfix/{main,master}.cf).  It won't hurt
+  # anything on a new install.
+  #
+  # Also we have to check that we are not in the installer mode on the target system
+  # ("/etc/system-installer"), and we have to be sure that we are on the working system
+  # on the target hardware ("proc/sys/kernel/osrelease" - relative path).
+  if [ -r proc/sys/kernel/osrelease -a ! -r /etc/system-installer -a -x /usr/sbin/postfix ]; then
+    /usr/sbin/postfix upgrade-configuration 1> /dev/null 2> /dev/null
+  fi
+
+  # Process /etc/aliases into a database:
+  #
+  # Also we have to check that we are not in the installer mode on the target system
+  # ("/etc/system-installer"), and we have to be sure that we are on the working system
+  # on the target hardware ("proc/sys/kernel/osrelease" - relative path).
+  if [ -r proc/sys/kernel/osrelease -a ! -r /etc/system-installer -a -x /usr/bin/newaliases ]; then
+    /usr/bin/newaliases 1> /dev/null 2> /dev/null
+  fi
+}
+
+# arg 1:  the new package version
+# arg 2:  the old package version
+pre_update() {
+  /bin/true
+}
+
+# arg 1:  the new package version
+# arg 2:  the old package version
+post_update() {
+  post_install
+}
+
+# arg 1:  the old package version
+pre_remove() {
+  /bin/true
+}
+
+# arg 1:  the old package version
+post_remove() {
+  /bin/true
+}
+
+
+operation=$1
+shift
+
+$operation $*

Property changes on: postfix-pkg-install.sh
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Added: svn:executable
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+*
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