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

${description}
Log | Files | Stats | README | LICENSE
!__EOF__
}

footer() {
	cat <

Powered by urmoms vibrator


!__EOF__
}

# usage: repodir and htmldir must be set.
if test x"$1" = x"" || test x"$2" = x""; then
	usage
fi

# make absolute path to htmldir.
htmldir="$(readlink -f $2)"
mkdir -p "${htmldir}"

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

# project name
# TODO: if bare repo just remove .git suffix?
name=$(basename "$(pwd)")

# read .git/description.
description=""
test -f ".git/description" && description="$(cat '.git/description')"

# TODO: make configurable.
baseurl="http://cow.codemadness.org/gitlog/"

indexpage="log.html"

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 "${htmldir}/file/${file}.html" && continue

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

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

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

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

# make index with file links.
header >> "${htmldir}/files.html"
git ls-tree -r master | sed -E 's@	(.*)$@	\1@g' >> "${htmldir}/files.html"
footer >> "${htmldir}/files.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 > "${htmldir}/readme.html"
if test x"${readme}" != x""; then
	cat "${readme}" >> "${htmldir}/readme.html"
else
	echo "no README file found" >> "${htmldir}/readme.html"
fi
footer >> "${htmldir}/readme.html"

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

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

# symlink to index page.
ln -sf "$indexpage" "${htmldir}/index.html"