# is valid. Also, if one wants to pass any variables to the intercept script from
# the postinstall itself, they will be added immediately after the shebang line.
#
-# Usage: postinst_intercept <intercept_script_name> <package_name> <var1=...> ... <varN=...>
+# Usage: postinst_intercept <intercept_script_name> <package_name> <mlprefix=...> <var1=...> ... <varN=...>
# * intercept_script_name - the name of the intercept script we want to change;
# * package_name - add the package_name to list of packages the intercept script
# is used for;
+# * mlprefix=... - this one is needed in order to have separate hooks for multilib.
# * var1=... - var1 will have the value we provide in the intercept script. This
# is useful when we want to pass on variables like ${libdir} to
# the intercept script;
#
-[ $# -lt 2 ] && exit 1
+[ $# -lt 3 ] && exit 1
intercept_script=$INTERCEPT_DIR/$1 && shift
package_name=$1 && shift
+mlprefix=$(echo $1 |sed -ne "s/^mlprefix=\(.*\)-/\1/p") && shift
+# if the hook we want to install does not exist, then there's nothing we can do
[ -f "$intercept_script" ] || exit 1
+# if the postinstall wanting to install the hook belongs to a multilib package,
+# then we'd better have a separate hook for this because the default ${libdir} and
+# ${base_libdir} will point to the wrong locations
+if [ -n "$mlprefix" ]; then
+ ml_intercept_script=$intercept_script-$mlprefix
+ # if the multilib hook does not exist, create it from the default one
+ if [ ! -f "$ml_intercept_script" ]; then
+ cp $intercept_script $ml_intercept_script
+
+ # clear the ##PKGS: line and the already set variables
+ [ -x "$ml_intercept_script" ] && sed -i -e "2,$(($#+1)) {/.*/d}" -e "/^##PKGS: .*/d" $ml_intercept_script
+ fi
+
+ intercept_script=$ml_intercept_script
+fi
+
chmod +x "$intercept_script"
pkgs_line="$(cat $intercept_script|grep "##PKGS:")"