dk: option -j pour désactiver le cache

dk

@@ -120,6 +120,7 @@ function default_docker_build() {
         replace_build_args+=(-t "$NAME:$tag")
     done
     docker build \
+        ${NO_CACHE:+--no-cache} \
         "${replace_env_args[@]}" "${env_args[@]}" \
         "${replace_build_args[@]}" "${build_args[@]}" \
         "$@" "$CTXDIR"
@@ -285,7 +286,7 @@ set_defaults dk
 export PROFILE
 
 if progexists docker-machine; then
-    setx active_dm=docker-machine active
+    setx active_dm=docker-machine active 2>/dev/null
     for dm_profile in "${DM_PROFILES[@]}"; do
         splitpair "$dm_profile" dm profile
         if [ "$dm" == "$active_dm" ]; then
@@ -296,12 +297,14 @@ if progexists docker-machine; then
 fi
 
 chdir=
+NO_CACHE=
 args=(
     --help '$exit_with display_help'
     -d:,--chdir: chdir=
     -p:,--profile: PROFILE=
     -P,--prod PROFILE=prod
     -T,--test PROFILE=test
+    -j,--no-cache NO_CACHE=1
 )
 parse_args "$@"; set -- "${args[@]}"