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mkaito/jekyllator.sh

Created March 1, 2018 03:46
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jekyllator.sh
#!/bin/zsh
# For documentation, read below or execute $0 help.
BLOG_PATH=${HOME}/dev/blog;
DRAFTS_PATH=${BLOG_PATH}/_drafts;
POSTS_PATH=${BLOG_PATH}/_posts;
FILE_EXT=".mkd"
# TODO: Add flags for byline, meta, published, date.
# TODO: Assume format jekyllator.sh [options] [title or filename]
# {{{ Functions
##
# Echo string if $DEBUG evaluates to aything.
# Execute with @DEBUG=1 jekyllator.sh@ to get debug information printed.
function debug()
{
[[ ! -z "$DEBUG" ]] && echo "$*";
}
##
# Generate a url-safe version of the given string.
# Will clean extraneous whitespace, remove symbols, replace accent characters
# with their plain variant, and lower case the string.
function slugify()
{
[[ -z "$1" ]] && return 65;
s=$(echo $1 |\
sed -e 's/\s\{1,\}/ /g' |\
sed 's/^[ \t]*//;s/[ \t]*$//g' |\
sed 's/ /-/g' | tr '[A-Z]' '[a-z]');
debug "1: $s";
typeset -A accents; # key value key value...
accents=( 'á' 'a' 'à' 'a' 'â' 'a' 'ä' 'a' 'ã' 'a'\
'é' 'e' 'è' 'e' 'ê' 'e' 'ë' 'e'\
'í' 'i' 'ì' 'i' 'î' 'i' 'ï' 'i'\
'ó' 'o' 'ò' 'o' 'ô' 'o' 'ö' 'o' 'õ' 'o'\
'ú' 'u' 'ù' 'u' 'û' 'u' 'ü' 'u'\
'ç' 'c' 'ñ' 'n')
for k in ${(k)accents}; do;
debug "Replacing $k with ${accents[$k]}";
s=$(echo $s | sed -e "s/${k}/${accents[$k]}/g");
done;
s=$(echo $s | sed -re 's/[^[:alnum:]]/-/g' | tr -s '-')
debug "2: $s";
echo "$s";
}
##
# Remove extraneous whitespace from string.
function clnstr()
{
[[ -z "$1" ]] && return 65;
echo $1 | sed -e 's/\s\{1,\}/ /g' | sed 's/^[ \t]*//;s/[ \t]*$//g';
}
function confirm()
{
echo -n "$@ [y/N] "
read answer
for response in y Y yes YES Yes Sure sure SURE OK ok Ok kk; do
[[ "_$answer" == "_$response" ]] && return 0
done
return 1
}
# }}}
# {{{ Main processing block
[[ -z "$1" ]] && echo "Please provide a subcommand: create, publish, update, help" && exit 65;
case $1 in
create)
shift;
slugstr=$(slugify "$*");
titlestr=$(clnstr "$*");
filestr="${slugstr}${FILE_EXT}"
if [[ ! -f ${DRAFTS_PATH}/${filestr} ]]; then
if (confirm "Create and edit file with $EDITOR: $filestr?"); then
echo "---\ntitle: ${titlestr}\nbyline:\nmeta: \nlayout: post\npublished: false\n---" > ${DRAFTS_PATH}/${filestr};
eval "$VISUAL" "${DRAFTS_PATH}/${filestr}";
fi
else
echo "File already exists: ${filestr}";
[[ ! -f "${DRAFTS_PATH}/${filestr}" ]] && echo "Could not create draft file :("
if (confirm "Would you like to edit it with $EDITOR now?"); then
eval "$VISUAL" "${DRAFTS_PATH}/${filestr}";
fi;
exit 1;
fi;
;;
publish)
shift
ppath=$(readlink -f $1)
[[ ! -f "$ppath" ]] && echo "File not fount." && exit 65;
# File must be in drafts path
if echo "$ppath" | egrep "^${DRAFTS_PATH}" > /dev/null; then
draftstr=$(basename "$ppath")
pubstr="$(date +%Y-%m-%d)-$draftstr"
[[ -f "${POSTS_PATH}/${pubstr}" ]] && echo "ERROR: A published post with this file name already exists." && exit 1
if (confirm "Move ${draftstr} to ${pubstr} ?"); then
if egrep 'published' $ppath > /dev/null; then
mv $ppath "${POSTS_PATH}/${pubstr}"
sed -i 's/published:\sfalse/published: true/' "${POSTS_PATH}/${pubstr}"
else
gawk 'NR>1 && $ppath=="---" {printf"published: true\n"}{print}'\
$ppath > "${POSTS_PATH}/${pubstr}"
rm $ppath
fi
fi
else
echo "File is not in configured drafts folder."
echo "For security reasons, the file needs to be in the correct drafts folder before it can be moved."
exit 1;
fi
;;
update)
shift
[[ ! -f "$1" ]] && echo "File not fount." && exit 65;
# Date component is always 11 characters long.
ostr=$(basename "$1"); bstr=$ostr[12,-1]
nstr="$(date +%Y-%m-%d)-$bstr"
if (confirm "Move $ostr to $nstr ?"); then
mv $1 "${POSTS_PATH}/${nstr}"
fi
;;
slugify)
shift
slugify "$*"
;;
# }}}
# {{{ Help section
*)
shift
echo "This script helps you manage your Jekyll post collection. Get more help with help <command>"
echo
if [[ -z "$1" ]]; then
echo "Notes: "
echo " Files in the drafts folder are expected to contain the post component of the permalink, but not the date."
echo " Files already published won't be republished. To update the date component use $(basename $0) update [file]."
echo
echo "Available subcommands:"
echo " create Creates a new draft with the given title."
echo " publish Publishes the draft given as argument. Expects a file path."
echo " update Updates the date in the given post file name and content. Expects a file path."
echo " slufigy Create a slug from the given string."
echo " help You're seeing it."
echo
else
case $1 in
create)
echo "[Create]"
echo " Create a new draft in your drafts folder. Everything after 'create' is assumed to be part of the title."
echo
echo " $(basename $0) create This is the blog title"
echo
;;
publish)
echo "[Publish]"
echo " Given the path to a draft file, publish it by moving it to the _posts folder and prepending today's date to the file name."
echo " If the file contains a published attribute, it will be swapped to true. If not, it will be inserted and set to true."
echo
echo " $(basename $0) publish /path/to/draft/file.mkd"
echo
;;
update)
echo "[Update]"
echo " Given the path to a published post file, update the date component of the filename to the current date"
echo
echo " $(basename $0) update /path/to/published/post.mkd"
echo
;;
slugify)
echo "[Slugify]"
echo " Generate a url-safe version of the given string."
echo " Will clean extraneous whitespace, remove symbols, replace accent characters"
echo " with their plain variant, and lower case the string."
echo " FIXME: Does not support capitalized accented characters."
echo
echo " $(basename $0) slugify ï wânt tó slûgïfy thìs stríñg."
echo " => i-want-to-slugify-this-string."
echo
;;
*)
echo "No help available for $1"
echo
;;
esac
fi
;;
esac;
# }}}
#vim:ft=sh:foldmethod=marker
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