Hana 9e216da9ef go.mod: add go.mod and move pygments to third_party
After go1.16, go will use module mode by default,
even when the repository is checked out under GOPATH
or in a one-off directory. Add go.mod, go.sum to keep
this repo buildable without opting out of the module
mode.

> go mod init github.com/mmcgrana/gobyexample
> go mod tidy
> go mod vendor

In module mode, the 'vendor' directory is special
and its contents will be actively maintained by the
go command. pygments aren't the dependency the go will
know about, so it will delete the contents from vendor
directory. Move it to `third_party` directory now.

And, vendor the blackfriday package.

Note: the tutorial contents are not affected by the
change in go1.16 because all the examples in this
tutorial ask users to run the go command with the
explicit list of files to be compiled (e.g.
`go run hello-world.go` or `go build command-line-arguments.go`).
When the source list is provided, the go command does
not have to compute the build list and whether it's
running in GOPATH mode or module mode becomes irrelevant.
2021-02-15 16:45:26 -05:00

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#!/bin/bash
# Best effort auto-pygmentization with transparent decompression
# by Reuben Thomas 2008-2015
# This program is in the public domain.
# Strategy: first see if pygmentize can find a lexer; if not, ask file; if that finds nothing, fail
# Set the environment variable PYGMENTIZE_OPTS or pass options before the file path to configure pygments.
# This program can be used as a .lessfilter for the less pager to auto-color less's output
file="${!#}" # last argument
options=${@:1:$(($#-1))} # handle others args as options to pass to pygmentize
file_common_opts="--brief --dereference"
lexer=$(pygmentize -N "$file")
if [[ "$lexer" == text ]]; then
unset lexer
case $(file --mime-type --uncompress $file_common_opts "$file") in
application/xml|image/svg+xml) lexer=xml;;
application/javascript) lexer=javascript;;
text/html) lexer=html;;
text/troff) lexer=nroff;;
text/x-asm) lexer=nasm;;
text/x-awk) lexer=awk;;
text/x-c) lexer=c;;
text/x-c++) lexer=cpp;;
text/x-diff) lexer=diff;;
text/x-fortran) lexer=fortran;;
text/x-gawk) lexer=gawk;;
text/x-java) lexer=java;;
text/x-lisp) lexer=common-lisp;;
text/x-lua) lexer=lua;;
text/x-makefile) lexer=make;;
text/x-msdos-batch) lexer=bat;;
text/x-nawk) lexer=nawk;;
text/x-pascal) lexer=pascal;;
text/x-perl) lexer=perl;;
text/x-php) lexer=php;;
text/x-po) lexer=po;;
text/x-python) lexer=python;;
text/x-ruby) lexer=ruby;;
text/x-shellscript) lexer=sh;;
text/x-tcl) lexer=tcl;;
text/x-tex|text/x-texinfo) lexer=latex;; # FIXME: texinfo really needs its own lexer
# Types that file outputs which pygmentize didn't support as of file 5.20, pygments 2.0
# text/calendar
# text/inf
# text/PGP
# text/rtf
# text/texmacs
# text/vnd.graphviz
# text/x-bcpl
# text/x-info
# text/x-m4
# text/x-vcard
# text/x-xmcd
text/plain) # special filenames. TODO: insert more
case $(basename "$file") in
.zshrc) lexer=sh;;
esac
;;
esac
fi
encoding=$(file --mime-encoding --uncompress $file_common_opts "$file")
if [[ $encoding == "us-asciibinarybinary" ]]; then
encoding="us-ascii"
fi
if [[ -n "$lexer" ]]; then
concat=cat
case $(file $file_common_opts --mime-type "$file") in
application/x-gzip) concat=zcat;;
application/x-bzip2) concat=bzcat;;
application/x-xz) concat=xzcat;;
esac
exec $concat "$file" | pygmentize -O inencoding=$encoding $PYGMENTIZE_OPTS $options -l $lexer
fi
exit 1