vc

#!/bin/sh
# This is file 'vc' from the vc bundle for TeX.
# The original file can be found at CTAN:support/vc.
# This file is Public Domain.

# Parse command line options
full=0
mod=0
while [ -n "$(echo $1 | grep '-')" ]; do
	case $1 in
		-f)	full=1 ;;
		-m)	mod=1 ;;
		* )
			echo 'usage: vc [-f] [-m]'
			exit 1
			;;
	esac
	shift
done

# Query all info from git log
logformat=""
logformat="${logformat}Hash: %H%n"
logformat="${logformat}AbrHash: %h%n"
logformat="${logformat}ParentHashes: %P%n"
logformat="${logformat}AbrParentHashes: %p%n"
logformat="${logformat}AuthorName: %an%n"
logformat="${logformat}AuthorEmail: %ae%n"
logformat="${logformat}AuthorDate: %ai%n"
logformat="${logformat}CommitterName: %cn%n"
logformat="${logformat}CommitterEmail: %ce%n"
logformat="${logformat}CommitterDate: %ci%n"
LC_ALL=C
git --no-pager log -1 HEAD --pretty=format:"$logformat" \
	| gawk -v script=log -v full=$full -f ./preamble/vc-git.awk \
	> ./preamble/vc.tex

# Query modification status of the working copy
if [ "$mod" = 1 ]; then
	git status --porcelain=v1 \
		| gawk -v script=status -f ./preamble/vc-git.awk \
		>> ./preamble/vc.tex
fi