chore: Docker build script updates

* Removes dependency on svn externals for requirements.txt.
* Removes dependency on svn for docker/build and docker/run scripts.
* Removes additional Python version 3.5.
* Mark docker scripts as executable.
* Update docker build scripts to match CHANGELOG.md

Author: kesara

docker/Dockerfile

@@ -92,7 +92,7 @@ RUN apt-get install -qy \
 	openssh-client \
 	patch \
 	procps \
-	python3.5 \
+	python3.6 \
 	python3-cffi \
 	python3-dev \
 	python3-pip \
@@ -121,18 +121,6 @@ RUN echo "root:root" | chpasswd
 
 # Additional python versions.
 
-# Python 3.5
-WORKDIR /usr/src
-RUN wget -q https://www.python.org/ftp/python/3.5.9/Python-3.5.9.tar.xz
-RUN tar xJf Python-3.5.9.tar.xz
-RUN rm Python-3.5.9.tar.xz
-WORKDIR /usr/src/Python-3.5.9/
-RUN ./configure
-RUN make
-RUN make altinstall
-WORKDIR /usr/src
-RUN rm -rf /usr/src/Python-3.5.9/
-
 # Python 3.6
 WORKDIR /usr/src
 RUN wget -q https://www.python.org/ftp/python/3.6.10/Python-3.6.10.tar.xz

docker/build

@@ -81,7 +81,7 @@ shortopts=f:F:ht:vV
 longopts=file=,flags=,help,tag=,verbose,version
 
 # Default values
-BRANCH=$(svn log -v ^/tags -l 1 | grep 'A /tags/cli/[1-9]' | awk '{print $2}' )
+BRANCH=$(grep "##" CHANGELOG.md | head -n1 | grep -oh "\[.*\]" | sed  's/[]\[]//g')
 TAG=${BRANCH##*/}
 DIR="$parent/docker"
 FLAVOUR=""
@@ -122,9 +122,12 @@ if [ "$(uname)" == "Linux" ]; then
     die "Didn't expect to run this script on Linux -- are you inside docker?"
 fi
 
-
+# copy requirements.txt
+cp $parent/requirements.txt $DIR/requirements.txt
 docker rmi -f ${REPO}:${FLAVOUR:-$TAG} || true
 docker build $FLAGS -t ${REPO}:${FLAVOUR:-$TAG} -f $FILE $DIR
+# remove copied requirements.txt
+rm $DIR/requirements.txt
 docker tag $(docker images -q | head -n 1) ${REPO}:${FLAVOUR:-latest}
 [ "$FLAVOUR" ] || docker push ${REPO}:latest
 docker push ${REPO}:${FLAVOUR:-$TAG}

docker/run

@@ -78,7 +78,7 @@ longopts=download-data,help,port=,docker-repo=,tag=,verbose,version,user=,
 # Default values
 FILEDIR=$parent/../data/
 REPO="levkowetz/xml2rfc"
-TAG=$(basename $(svn info $parent | grep ^URL | awk '{print $2}'))
+TAG=$(grep "##" CHANGELOG.md | head -n1 | grep -oh "\[.*\]" | sed  's/[]\[]//g')
 DBURL=https://www.ietf.org/lib/dt/sprint/ietf_utf8.bin.tar.bz2
 WHO=$(whoami)
 WHOUID=$(id -u $WHO)