Fix upgrades from << 2.8.3-3 (directories to symlinks).

The job of replacing directories with symlinks apparently is a tough one.
Create a symlink manually in the postinst of the affected (!cmake-data)
packages.

debian/changelog

@@ -2,6 +2,9 @@ cmake (2.8.3-3) UNRELEASED; urgency=low
 
   * Install documentation to /usr/share/cmake-data instead as it's the "base"
     package rather than cmake. Also link doc directories to it.
+  * The job of replacing directories with symlinks apparently is a tough one.
+    Create a symlink manually in the postinst of the affected (!cmake-data)
+    packages.
 
  -- Modestas Vainius <modax@debian.org>  Sun, 02 Jan 2011 13:29:09 +0200
 

debian/cmake-curses-gui.postinst

@@ -0,0 +1,16 @@
+#!/bin/sh
+
+set -e
+
+pkgname=`basename "$0" .postinst`
+
+# Manually create a /usr/share/doc/$pkgname symlink manually on upgrades (see
+# #404850)
+if [ "$1" = "configure" ] && [ -n "$2" ] && \
+     dpkg --compare-versions "$2" lt "2.8.3-3";
+then
+    rmdir "/usr/share/doc/$pkgname"
+    ln -s "cmake-data" "/usr/share/doc/$pkgname"
+fi
+
+#DEBHELPER#

debian/cmake-dbg.postinst

@@ -0,0 +1,16 @@
+#!/bin/sh
+
+set -e
+
+pkgname=`basename "$0" .postinst`
+
+# Manually create a /usr/share/doc/$pkgname symlink manually on upgrades (see
+# #404850)
+if [ "$1" = "configure" ] && [ -n "$2" ] && \
+     dpkg --compare-versions "$2" lt "2.8.3-3";
+then
+    rmdir "/usr/share/doc/$pkgname"
+    ln -s "cmake-data" "/usr/share/doc/$pkgname"
+fi
+
+#DEBHELPER#

debian/cmake-doc.postinst

@@ -0,0 +1,16 @@
+#!/bin/sh
+
+set -e
+
+pkgname=`basename "$0" .postinst`
+
+# Manually create a /usr/share/doc/$pkgname symlink manually on upgrades (see
+# #404850)
+if [ "$1" = "configure" ] && [ -n "$2" ] && \
+     dpkg --compare-versions "$2" lt "2.8.3-3";
+then
+    rmdir "/usr/share/doc/$pkgname"
+    ln -s "cmake-data" "/usr/share/doc/$pkgname"
+fi
+
+#DEBHELPER#

debian/cmake-qt-gui.postinst

@@ -0,0 +1,16 @@
+#!/bin/sh
+
+set -e
+
+pkgname=`basename "$0" .postinst`
+
+# Manually create a /usr/share/doc/$pkgname symlink manually on upgrades (see
+# #404850)
+if [ "$1" = "configure" ] && [ -n "$2" ] && \
+     dpkg --compare-versions "$2" lt "2.8.3-3";
+then
+    rmdir "/usr/share/doc/$pkgname"
+    ln -s "cmake-data" "/usr/share/doc/$pkgname"
+fi
+
+#DEBHELPER#

debian/cmake.postinst

@@ -0,0 +1,16 @@
+#!/bin/sh
+
+set -e
+
+pkgname=`basename "$0" .postinst`
+
+# Manually create a /usr/share/doc/$pkgname symlink manually on upgrades (see
+# #404850)
+if [ "$1" = "configure" ] && [ -n "$2" ] && \
+     dpkg --compare-versions "$2" lt "2.8.3-3";
+then
+    rmdir "/usr/share/doc/$pkgname"
+    ln -s "cmake-data" "/usr/share/doc/$pkgname"
+fi
+
+#DEBHELPER#