I don't think there is one already, so here are direct links to posts regarding the Command Line repair for all released QTP/UFT versions:

QTP 10 (Please note QTP 10 is retired and no longer supported):
http://eyeontesting.com/questions/1258/repair-qtp-10-with-out-media.html

QTP 11 (Please note QTP 11 is retired and no longer supported):
http://eyeontesting.com/questions/1929/repair-qtp-11-with-out-media.html

UFT 11.50:
http://eyeontesting.com/questions/3311/repair-uft-115-from-command-line.html

UFT 11.51:
http://eyeontesting.com/questions/3559/repair-uft-1151-from-command-line.html

UFT 11.52:
http://eyeontesting.com/questions/3559/repair-uft-1151-from-command-line.html

UFT 11.53:
http://eyeontesting.com/questions/3559/repair-uft-1151-from-command-line.html

UFT 12.00
http://eyeontesting.com/questions/5881/repair-uft-12-from-command-line.html

UFT 12.01
http://eyeontesting.com/questions/6661/repair-uft-1201-from-command-line.html

UFT 12.02
http://eyeontesting.com/questions/7581/repair-uft-1202.html