#!/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 <


!__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

# default index page (symlink).
indexpage="log.html"

# project name, if bare repo remove .git suffix.
name=$(basename "$(pwd)" ".git")

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

# make diff for each commit (all files).
relpath="../"
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 --pretty=full "${commit}" | \
		sed -E 's@^commit (.*)$@commit \1@g' >> "${htmldir}/commit/${commit}.html"
	footer >> "${htmldir}/commit/${commit}.html"
done 

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

# make index with file links.
relpath=""
header >> "${htmldir}/files.html"
printf '' >> "${htmldir}/files.html"
git ls-tree -r -l master | while read -r mode type object size file; do
	git log -1 --pretty='' "${file}"
done >> "${htmldir}/files.html"
printf '
ModeNameSize
'${mode}''${file}''${size}'[plain]
' >> "${htmldir}/files.html"
footer >> "${htmldir}/files.html"

# readme page
# find README file.
relpath=""
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.
relpath=""
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).
relpath=""
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"