It's probably because of the mixed connections in my brain, but I've run
into this problem:
I have a chant.tex file and a chant.gabc file. The chant.tex file has
"\includescore[a]{chant}" in it. Everything works fine if I do it
right, which is to say, if I run "lualatex --shell-escape chant".
If, on the other hand, I am silly enough to type "gregorio chant.gabc",
gregorio will happily clobber "chant.tex".
Is this something that should be addressed? If not, so be it.
If so, I can think of two ways.
Option 1: make the default extension .gtex instead of .tex. People most
likely will not be calling their tex files .gtex, so this should handle
most cases. The disadvantage is that people using older scripts and
"main TeX files" to engrave scores may have to adjust them if they
didn't supply -o or -S to handle the gabc output themselves.
Option 2: make gregorio read the first line of an existing .tex file and
refuse to clobber it if the first line doesn't start with "% File
generated by gregorio" Most people would not start their files with
this string, so this should also handle most cases. The disadvantage
here is some additional complexity in the executable as well and also
that some files generated by older versions of gregorio start with
headers rather than this signature, which means some explanation will be
in order.
If (and I do mean *if*) we decide this is worth it, my preference is the
former because it's simpler.
Shall I implement this? Which method sounds better to you?
Regards,
Henry
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