Added prereq directive.

[autodist.git] / apps / autodist / autodist.in

diff --git a/apps/autodist/autodist.in b/apps/autodist/autodist.in
index 517aae779c55401f42ae1d2437e4ae0d26de0442..e4388ab0a4fb9fbc74b1af3485e12dec28556597 100755 (executable)
--- a/apps/autodist/autodist.in
+++ b/apps/autodist/autodist.in
@@ -1182,6 +1182,15 @@ ad_parse_distribution()
     ad_fatal "Distribution '$1' is not declared"
   fi
 
+  # Get and enforce prereq version
+  prereq=`sed 's/^[    ]*//' < $distdir/$1 | grep -v "^#" \
+    | grep "prereq " | cut -d' ' -f2- | sort | uniq`
+  if test '!' -z $prereq; then
+    if [[ $ver < $prereq ]]; then
+      ad_fatal "Autodist $prereq or newer is required for distribution $1"
+    fi
+  fi
+
   # Get inherited
   inhs=`sed 's/^[      ]*//' < $distdir/$1 | grep -v "^#" \
     | grep "inherit " | cut -d' ' -f2 | sort | uniq`