Files
joeac.net/http/bin/blog
T

111 lines
2.6 KiB
Bash
Executable File

#!/bin/sh -e
export PATH="$(dirname $(realpath $0)):$PATH"
export BLOGS="$(realpath blogs)"
export SRC="$(realpath src)"
export LAYOUTS="$(realpath share/layouts)"
usage()
{
>&2 cat << USAGE
usage: blog -i LOG [-p POSTPROCESS_CMD] [-a EXTRACT_ARGS_CMD] [-l LAYOUT] [-t] [-f FILE_PATTERN]
options:
-a EXTRACT_ARGS_CMD
If provided, a shell command to extract arguments to the layout from the
source files. The shell will be provided with a variable, POST_TITLE.
-f FILE
If provided, a pattern for the files to process. Default: *.
-i LOG
The name of the source directory under \$BLOGS where log posts live.
-l LAYOUT
If provided, the layout under \$LAYOUTS to use for the generated
upphtml files. If not provided, uses the default layout.
-p POSTPROCESS_CMD
If provided, a shell command to post-process the source files into
upphtml. The shell will be provided with a variable, POST_TITLE.
-t
If enabled, use filenames as post titles
USAGE
}
extract_args_cmd="head -n 0 | echo \"POST_TITLE=\\\"\${POST_TITLE}\\\"\""
file_pattern="*"
log_name=""
layout_name="default"
postprocess_cmd="echo"
use_filenames_for_titles=0
while getopts "a:f:i:l:p:t" opt
do
case $opt in
a)
extract_args_cmd="$OPTARG"
;;
f)
file_pattern="$OPTARG"
;;
i)
log_name="$OPTARG"
;;
l)
layout_name="$OPTARG"
;;
p)
postprocess_cmd="$OPTARG"
;;
t)
use_filenames_for_titles=1
;;
esac
done
if [ -z "${log_name}" ]
then
usage
exit 1
fi
if ! [ -d "${BLOGS}/${log_name}" ]
then
>&2 echo "there is no directory '${input_log}' under ${BLOGS}. options: $(ls common)"
usage
exit 1
fi
layout="${LAYOUTS}/${layout_name}.layout.upphtml"
if [ "${layout_name}" = "default" ]
then
layout_ext=""
else
layout_ext=".${layout_name}"
fi
if ! [ -f "${layout}" ]
then
echo >&2 "Warning: no layout found at $(basename "${LAYOUTS}")/${layout_name}.layout.upphtml"
fi
mkdir -p "${SRC}/${log_name}"
for entry in $(find -L "${BLOGS}/${log_name}" -type f -name "${file_pattern}")
do
basename="$(basename "$entry")"
name="${basename%\.*}"
dest="${SRC}/${log_name}/${name}${layout_ext}.upphtml"
if [ $use_filenames_for_titles -eq 1 ]
then
export POST_TITLE="$name"
cat "$entry" | eval "${postprocess_cmd}" > "$dest"
else
export POST_TITLE="$(grep -e "^# " -m 1 "$entry" | cut -c3-)"
cat "$entry" | grep -e "^# " -v | eval "$postprocess_cmd" > "$dest"
fi
cat "$entry" | eval "$extract_args_cmd" > "${dest}.args"
echo "Processed ${entry#$(dirname ${BLOGS})/} to ${dest#$(dirname ${SRC})/}"
done