scripts/build/scan-mf-deps: script to generate MF dependencies

mf/invoke-mf2pt.sh

+#!/bin/sh
+
+# realpath doesn't exist on OSX
+realpath() {

[hahnjo, 2020/03/17 07:41:25]

AFAIK sh syntax would be
realpath()
(
  ...
)

Curly braces are not part of POSIX

[dak, 2020/03/17 07:54:13]

Are you sure?  I have never seen that.  What isn't POSIX is bash's "function"
keyword, but Han-Wen does not use it here.

+  python -c "import os; print(os.path.realpath('$1'))"
+}
+
+set -eu
+mf2pt1=$(realpath $1)
+src=$(realpath $2)
+target=$(realpath $3)
+srcdir=$(dirname ${src})
+name=$(basename ${src} .mf)
+
+# mf2pt1 pollutes CWD, so run it in a tmp dir.
+#
+# the soft link for mf2pt1.mp is for recent mpost versions
+# which no longer dump a .mem file
+tmp=$(dirname $target)/tmp.$(basename $target)
+rm -rf $tmp
+mkdir $tmp
+cd $tmp
+ln -s ../mf2pt1.mem .
+ln -s ../../mf2pt1.mp .
+
+export MFINPUTS="$srcdir:..::"
+export max_print_line=1000
+
+${mf2pt1} --rounding=0.0001 \
+          --family=$name \
+          --fullname=$name \
+          --name=$name $src
+
+python ${srcdir}/scan-mf-deps.py ${srcdir} ${target} ${name}.log > ${name}.dep
+
+mv *.pfb *.tfm *.log *.dep ..
+cd ..
+rm -rf ${tmp}