From aafa6303f1c2c1da0eabce337722a82f55521546 Mon Sep 17 00:00:00 2001
From: Silvio Rhatto <rhatto@riseup.net>
Date: Sun, 19 Nov 2017 13:31:11 -0200
Subject: Check for installed dependencies at metadot_deps

---
 metadot | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/metadot b/metadot
index bc929f3..0b449a7 100755
--- a/metadot
+++ b/metadot
@@ -107,13 +107,22 @@ function metadot_deps {
   local module="$1"
   local destname
   local dirname
+  local deps_to_install
 
   if [ -d "$MODULES/$module" ]; then
     echo "Resolving dependencies for $module.."
 
     if [ -e "/etc/debian_version" ] && [ -e "$MODULES/$module/dependencies/debian" ]; then
       deps="`grep -v '^#' $MODULES/$module/dependencies/debian | xargs`"
-      LC_ALL=C DEBIAN_FRONTEND=noninteractive sudo apt-get install -y $deps
+
+      # Remove installed packages from list
+      for dep in $deps; do
+        if ! dpkg-query -W -f='${Status}' $dep | grep -q '^install ok'; then
+          deps_to_install="$deps_to_install $dep"
+        fi
+      done
+
+      LC_ALL=C DEBIAN_FRONTEND=noninteractive sudo apt-get install -y $deps_to_install
     fi
 
   else
-- 
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