#!/bin/sed -nrf
# TS: \([0-9]\):

 /([0-9]+):  >>> emerge \([^)]+\) ([^ ]+) to .*/ {
s/([0-9]+):  >>> emerge \([^)]+\) ([^ ]+) to .*/\1\temerge-start\t\2/
p; n; }

 /([0-9]+):  ::: completed emerge \([^)]+\) ([^ ]+) to .*/ {
s/([0-9]+):  ::: completed emerge \([^)]+\) ([^ ]+) to .*/\1\temerge-finish\t\2/
p; n; }

 /([0-9]+):  === Unmerging... \(([^ )]+)\)/ {
s/([0-9]+):  === Unmerging... \(([^ )]+)\)/\1\tunmerge-start\t\2/
p; n; }

 /([0-9]+):  >>> unmerge success: (.*)/ {
s/([0-9]+):  >>> unmerge success: (.*)/\1\tunmerge-finish\t\2/
p; n; }

 /([0-9]+): Started emerge on:.*/ {
s/([0-9]+): Started emerge on:.*/\1\tprogram-start/
p; n; }

 /([0-9]+):  \*\*\* exiting unsuccessfully with status '([^']+)'.*/ {
s/([0-9]+):  \*\*\* exiting unsuccessfully with status '([^']+)'.*/\1\tprogram-exit\t\2/
p; n; }

 /([0-9]+):  \*\*\* exiting successfully.*/ {
s/([0-9]+):  \*\*\* exiting successfully.*/\1\tprogram-exit\t0/
p; n; }