new: [docker-host] compatibility with debian 9

Signed-off-by: Valentin Lab <valentin.lab@kalysto.org>

precise/base-0k/hooks/install.d/30-customize.sh

@@ -24,12 +24,45 @@ else
     cp /root/.bashrc /root/.bashrc.pre-install
 fi
 
-apt-get install fzf fd-find </dev/null
-ln -sf "$(which fdfind)" /usr/local/bin/fd
 
 
-## Use C-f instead of C-t for file insertion
-sed -r -i.orig 's/C-t/C-f/g' /usr/share/doc/fzf/examples/key-bindings.bash
+if ! type -p fzf; then
+
+    ## Required to get fzf
+    case $(lsb_release -is) in
+        Debian)
+            case $(lsb_release -rs) in
+                9)
+                    backports_list="/etc/apt/sources.list.d/backports.list"
+                    if ! [ -e "$backports_list" ]; then
+                        echo "deb http://ftp.debian.org/debian stretch-backports main" > \
+                             "$backports_list"
+                        ## Update only this repo:
+                        apt-get update -o Dir::Etc::sourcelist="sources.list.d/backports.list" \
+                                -o Dir::Etc::sourceparts="-" -o APT::Get::List-Cleanup="0"
+                    fi
+
+                    ;;
+            esac
+            ;;
+    esac
+
+    apt-get install fzf </dev/null
+fi
+
+if ! type -p fd-find; then
+    if apt-get install fd-find </dev/null; then
+        ln -sf "$(which fdfind)" /usr/local/bin/fd
+    else
+        wget https://github.com/sharkdp/fd/releases/download/v8.2.1/fd_8.2.1_amd64.deb -O /tmp/fd.deb
+        dpkg -i /tmp/fd.deb
+    fi
+fi
+
+if ! [ -e "/usr/share/doc/fzf/examples/key-bindings.bash.orig" ]; then
+    ## Use C-f instead of C-t for file insertion
+    sed -r -i.orig 's/C-t/C-f/g' /usr/share/doc/fzf/examples/key-bindings.bash
+fi
 
 cat <<EOF >> /root/.bashrc