From 193d95967b8942144ead7589bf2b1c6bbe016fb9 Mon Sep 17 00:00:00 2001
From: David Runge <dave@sleepmap.de>
Date: Sat, 18 Apr 2020 21:18:30 +0200
Subject: Cleanup and extending by blockdiag

bin/tex2pdf:
Extending by seqdiag capabilities, if diag/ directory is found.
The diagrams are converted to pdf and then included.

Cleaning up and simplifying the functions.
---
 bin/tex2pdf | 72 ++++++++++++++++++++++++++++---------------------------------
 1 file changed, 33 insertions(+), 39 deletions(-)

diff --git a/bin/tex2pdf b/bin/tex2pdf
index aea0d56..5ed49b2 100755
--- a/bin/tex2pdf
+++ b/bin/tex2pdf
@@ -10,29 +10,25 @@ input_suffix=".tex"
 probe_suffix="tex"
 output_suffix=".pdf"
 
-function get_filename()
-{
-  local base=$(basename ${1})
+get_filename() {
+  local base="$(basename "${1}")"
   filename="${base%.*}"
 }
 
-function get_dirname()
-{
-  dirname="$(dirname ${1})"
+get_dirname() {
+  dirname="$(dirname "${1}")"
 }
 
-function probe_extension()
-{
+probe_extension() {
   local extension="${1##*.}"
-  if [ ${extension} != ${probe_suffix} ]; then
+  if [ "${extension}" != "${probe_suffix}" ]; then
     echo "File extension (${extension}) is not ${probe_suffix}. Exiting..."
     exit 1
   fi
   return 0
 }
 
-function probe_tools()
-{
+probe_tools() {
   if [ ! -x /usr/bin/pdflatex ]; then
     echo "/usr/bin/pdflatex not available. Exiting..."
     exit 1
@@ -48,60 +44,56 @@ function probe_tools()
   return 0
 }
 
-function create_pdf()
-{
-  cd ${dirname}
+create_pdf() {
+  cd "${dirname}"
   set +e
   pdflatex \
     -interaction=nonstopmode \
     -shell-escape \
-    ${filename}${input_suffix} > /dev/null
-  bibtex ${filename}.aux
-  makeglossaries ${filename}
+    "${filename}${input_suffix}" > /dev/null
+  bibtex "${filename}.aux"
+  makeglossaries "${filename}"
   pdflatex \
     -interaction=nonstopmode \
     -shell-escape \
-    ${filename}${input_suffix} > /dev/null
+    "${filename}${input_suffix}" > /dev/null
   pdflatex \
     -interaction=nonstopmode \
     -shell-escape \
-    ${filename}${input_suffix}
+    "${filename}${input_suffix}"
   set -e
-  cd ${initial_pwd}
+  cd "${initial_pwd}"
   return 0
 }
 
-function check_mupdf_pid()
-{
+check_mupdf_pid() {
   set +e
-  mupdf_pid=$(ps aux | grep "mupdf ${dirname}/${filename}${output_suffix}" | grep -v "grep" | awk '{print $2}')
+  mupdf_pid="$(ps aux | grep "mupdf ${dirname}/${filename}${output_suffix}" | grep -v "grep" | awk '{print $2}')"
   set -e
 }
 
-function show_pdf()
-{
+show_pdf() {
   check_mupdf_pid
   echo "mupdf: ${dirname}/${filename}${output_suffix}."
-  if [ ! -z $mupdf_pid ]; then
-    kill -SIGHUP ${mupdf_pid}
+  if [ -n "$mupdf_pid" ]; then
+    kill -SIGHUP "${mupdf_pid}"
   else
-    mupdf ${dirname}/${filename}${output_suffix} &
+   DISPLAY=':0' mupdf "${dirname}/${filename}${output_suffix}" &
   fi
 }
 
-function cleanup()
-{
-  rm -f ${dirname}/*.{acn,acr,alg,aux,bbl,bcf,blg,dvi,glg,glo,gls,glsdefs,idx,ist,lof,log,lol,lot,nav,out,run.xml,snm,toc,upa,upb,vrb,xdy} \
-    ${dirname}/*/*.{acn,acr,alg,aux,bbl,bcf,blg,dvi,glg,glo,gls,glsdefs,idx,ist,lof,log,lol,lot,nav,out,run.xml,snm,toc,upa,upb,vrb,xdy} \
-    *.{acn,acr,alg,aux,bbl,bcf,blg,dvi,glg,glo,gls,glsdefs,idx,ist,lof,log,lol,lot,nav,out,run.xml,snm,toc,upa,upb,vrb,xdy} \
-    */*.{acn,acr,alg,aux,bbl,bcf,blg,dvi,glg,glo,gls,glsdefs,idx,ist,lof,log,lot,nav,out,run.xml,snm,toc,upa,upb,vrb,xdy}
+cleanup() {
+  rm -f "${dirname}/"*.{acn,acr,alg,aux,bbl,bcf,blg,dvi,glg,glo,gls,glsdefs,idx,ist,lof,log,lol,lot,nav,out,run.xml,snm,toc,upa,upb,vrb,xdy} \
+    "${dirname}/"*/*.{acn,acr,alg,aux,bbl,bcf,blg,dvi,glg,glo,gls,glsdefs,idx,ist,lof,log,lol,lot,nav,out,run.xml,snm,toc,upa,upb,vrb,xdy} \
+    ./*.{acn,acr,alg,aux,bbl,bcf,blg,dvi,glg,glo,gls,glsdefs,idx,ist,lof,log,lol,lot,nav,out,run.xml,snm,toc,upa,upb,vrb,xdy} \
+    ./*/*.{acn,acr,alg,aux,bbl,bcf,blg,dvi,glg,glo,gls,glsdefs,idx,ist,lof,log,lot,nav,out,run.xml,snm,toc,upa,upb,vrb,xdy}
 }
 
 render_diags() {
   echo "Rendering diagrams to pdfs."
   if [ -d "${dirname}/diag/" ] && [ -x /usr/bin/seqdiag ] ; then
     for _diag in "${dirname}/diag/"*.diag; do
-      seqdiag -T 'PDF' "${_diag}"
+      seqdiag -T 'pdf' "${_diag}"
     done
   fi
 }
@@ -111,15 +103,17 @@ render_svgs() {
   for dir in "${dirname}/images" "${dirname}/../images"; do
     if [ -d "${dir}" ]; then
       for svg in "${dir}/"*.svg; do
-        inkscape -D -z -A "${svg%\.svg}".pdf "${svg}"
+        if [ -f "${svg}" ]; then
+          inkscape -D -z -A "${svg%\.svg}".pdf "${svg}"
+        fi
       done
     fi
   done
 }
 
-probe_extension $1
-get_filename $1
-get_dirname $1
+probe_extension "$1"
+get_filename "$1"
+get_dirname "$1"
 render_diags
 render_svgs
 echo "tex2pdf: Converting $filename$input_suffix to $filename$output_suffix."
-- 
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