update_graph.sh

go get -u github.com/MacroPower/prometheus_ascii

# Set PROMETHEUS_ASCII_SERVER_ENDPOINT

GRAPH=$(prometheus_ascii \
	--query.selector="wakatime_cumulative_seconds_total" \
	--graph.width="100" \
	--graph.height="12" \
	--query.duration="168h")

# Store generated content in a file to avoid problems with sed and special characters.
touch insert_file

echo -e "\n\`\`\`" >>insert_file

echo -e "$GRAPH" >>insert_file

# Append X axis labels. TODO: add support to asciigraph
echo -e "             ┼─────────────┬─────────────┬─────────────┬─────────────┬─────────────┬─────────────┬─────────────┤ " >>insert_file
echo -e "            -7d           -6d           -5d           -4d           -3d           -2d           -1d           now" >>insert_file

echo -e "\`\`\`\n" >>insert_file

COMMENT_START="<!-- START_SECTION:ascii_graph -->"
COMMENT_END="<!-- END_SECTION:ascii_graph -->"

NEW_README=$(sed -e "/$COMMENT_START/,/$COMMENT_END/{ /$COMMENT_START/{p; r insert_file
        }; /$COMMENT_END/p; d }" README.md)

rm insert_file

echo "$NEW_README" >README.md