From 68f6e1609bcb9b8cdc5c9391526e98d949e713f8 Mon Sep 17 00:00:00 2001
From: "Gerber, Mike" <mike.gerber@sbb.spk-berlin.de>
Date: Wed, 27 Jan 2021 16:55:35 +0100
Subject: [PATCH] =?UTF-8?q?=E2=9C=A8=20Allow=20(re)building=20only=20some?=
 =?UTF-8?q?=20container=20images?=
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To speed up rebuilding container images, you can now supply the desired
subimage to build:

  ./build sbb_textline_detector

or even simpler, leveraging shell filename completion:

  ./build Dockerfile-sbb_textline_detector
---
 build | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/build b/build
index 273a647..cec6022 100755
--- a/build
+++ b/build
@@ -26,8 +26,12 @@ get_from_web() {
 . $self_dir/qurator_data_lib.sh
 handle_data
 
-sub_images=`ls -1 Dockerfile-core* | sed 's/Dockerfile-//'`
-sub_images="$sub_images `ls -1 Dockerfile-* | sed 's/Dockerfile-//'`"
+if [ -n "$1" ]; then
+  sub_images=`echo "$@" | sed 's/Dockerfile-//'`
+else
+  sub_images=`ls -1 Dockerfile-core* | sed 's/Dockerfile-//'`
+  sub_images="$sub_images `ls -1 Dockerfile-* | sed 's/Dockerfile-//'`"
+fi
 for sub_image in $sub_images; do
   docker build --cache-from=my_ocrd_workflow-$sub_image -t my_ocrd_workflow-$sub_image -f Dockerfile-$sub_image .
 done