#!/bin/sh
# Updates the Mount Avenue tracker - to do this, an entry must be made in 
# trk/mount-avenue, and then this is copied over to the website where a new 
# entry is made, by replacing the contents of <!-- ma:begin --> and 
# <!-- ma:end -->.

# Constants # 
WEBPAGE_PATH="$BLOG_PATH/training/mount-ave.html"
DELIMITER_BEGIN="<!-- ma:begin -->"
DELIMITER_END="<!-- ma:end -->"
TABLE_FILE='/tmp/ma-tbl-formatted'

trk_path="$(orgdresolv "ORGD_TRK_PATH")"/mount-avenue


# Modify the document and check for changes.
hash_before="$(sha256sum "$trk_path")"
trk mount-avenue
hash_after="$(sha256sum "$trk_path")"

if [ "$hash_before" = "$hash_after" ] ; then 
	echo "No changes made - exitting early."
	exit 0
fi
table_formatted="$(ma-fmt-tbl "$trk_path")"

echo "$table_formatted" > "$TABLE_FILE"
sed -i -ne "/$DELIMITER_BEGIN/ {p; r $TABLE_FILE" -e ":a; n; /$DELIMITER_END/ {p; b}; ba}; p" "$WEBPAGE_PATH"

# Commit and push the changes
cd "$(dirname "$WEBPAGE_PATH")"
git add "$(basename "$WEBPAGE_PATH")"
git commit -m "Mount Avenue: updated $(date +"%Y-%m-%d %H:%M")"
git-push-all