#!/bin/sh # DEBUG #set -e -x usage() { printf '%s \n' "$0" exit 1 } header() { cat < ${description}
${description}

!__EOF__
}

footer() {
	cat <

Powered by urmoms vibrator


!__EOF__
}

if test x"$1" = x"" || test x"$2" = x""; then
	usage
fi

# repodir must be a directory to go to.
cd "$1" || usage

# TODO: make configurable.
baseurl="http://cow.codemadness.org/gitlog/"
# TODO: read .git/description.
description="sbase"

# absolute path to logdir.
logdir="$(readlink -f $2)"
mkdir -p "${logdir}"
firstcommit=$(git log | grep '^commit ' | tail -n 1 | cut -f 2 -d ' ')

# make log per file.
# TODO: just link to commit/commit? save some space and time?
git ls-tree -r --name-only master | while read -r file; do
	test -e "${logdir}/file/${file}.html" && continue

	d=$(dirname "${file}")
	mkdir -p "${logdir}/file/${d}"

	header > "${logdir}/file/${file}.html"
	git show "${firstcommit}"...master "${file}" | \
		sed -E 's@^commit (.*)$@commit \1@g' >> "${logdir}/file/${file}.html"
	footer >> "${logdir}/file/${file}.html"
done

# make log with all commits.
header > "${logdir}/log.html"
printf '' >> "${logdir}/log.html"
git log --pretty='' >> "${logdir}/log.html"
printf '%cD %H %an %s' >> "${logdir}/log.html"
footer >> "${logdir}/log.html"

# make diff for each commit (all files).
mkdir -p "${logdir}/commit"
git log --pretty='%H' | while read -r commit; do
	test -e "${logdir}/commit/${commit}.html" && continue
	header > "${logdir}/commit/${commit}.html"
	git show "${commit}" >> "${logdir}/commit/${commit}.html"
	footer >> "${logdir}/commit/${commit}.html"
done 

# make index with file links.
header >> "${logdir}/index.html"
git ls-tree -r master | sed -E 's@	(.*)$@	\1@g' >> "${logdir}/index.html"
footer >> "${logdir}/index.html"

# readme page
# find README file.
readme=""
for f in README README.md readme.md; do
	test -e "${f}" && readme="${f}"
done
# make page.
header > "${logdir}/readme.html"
if test x"${readme}" != x""; then
	cat "${readme}" >> "${logdir}/readme.html"
else
	echo "no README file found" >> "${logdir}/readme.html"
fi
footer >> "${logdir}/readme.html"

# license page
# find LICENSE file.
license=""
for f in LICENSE LICENSE.md; do
	test -e "${f}" && license="${f}"
done
# make page.
header > "${logdir}/license.html"
if test x"${readme}" != x""; then
	cat "${license}" >> "${logdir}/license.html"
else
	echo "unknown license" >> "${logdir}/license.html"
fi
footer >> "${logdir}/license.html"

# stats (authors).
header > "${logdir}/stats.html"
git shortlog -n -s >> "${logdir}/stats.html"
footer >> "${logdir}/stats.html"