separate apt registration

also bump version number

Dockerfile

@@ -19,19 +19,8 @@ RUN ./install_openjpeg.sh
 WORKDIR /root/src
 RUN ./install_openslide.sh
 
-## build dummy apt packages
-RUN mkdir equivs
-RUN cd equivs
-ADD libopenslide0 .
-
-# libopenslide0
-RUN equivs-build libopenslide0
-RUN dpkg -i libopenslide0_3.4.2_all.deb
-
-# libopenslide-dev
-RUN sed -i 's/libopenslide0/libopenslide-dev/g' libopenslide0
-RUN mv libopenslide0 libopenslide-dev
-RUN equivs-build libopenslide-dev
-RUN dpkg -i libopenslide-dev_3.4.2_all.deb
+## Install dummy apt packages against competitor versions being installed
+WORKDIR /root/src
+RUN ./register_openslide_apt.sh
 
 WORKDIR /

install_openslide.sh

@@ -3,6 +3,10 @@ set -x
 
 # Use the main branch until we have a release with DICOM
 # otherwise: --branch=v3.4.1, etc.
+# IMPORTANT NOTE: If we're building OpenSlide instead of installing from apt-get
+# whenever the version in meson.build in OpenSlide source code is updated,
+# the version in our files "libopenslide0" and "register_openslide_apt.sh"
+# needs to be updated to be a greater version number (or equal)
 git clone https://github.com/openslide/openslide.git --branch=main --depth=1
 cd openslide
 

libopenslide0

@@ -3,5 +3,5 @@ Priority: optional
 Standards-Version: 3.9.2
 
 Package: libopenslide0
-Version: 3.4.2
+Version: 4.1.0
 Description: dummy package to disallow conflicting ones from apt

register_openslide_apt.sh

@@ -0,0 +1,16 @@
+# To see where, if it fails
+set -x
+
+mkdir equivs
+cd equivs
+cp ../libopenslide0 .
+
+# libopenslide0
+equivs-build libopenslide0
+dpkg -i libopenslide0_4.1.0_all.deb
+
+# libopenslide-dev
+sed -i 's/libopenslide0/libopenslide-dev/g' libopenslide0
+mv libopenslide0 libopenslide-dev
+equivs-build libopenslide-dev
+dpkg -i libopenslide-dev_4.1.0_all.deb