This is the main riff played through the song.
G|--------------------------------------------------------------------------|
D|--------------------------------------------------------------------------|
A|-8--555-8--555-5-5-----5-------8-7----------------------------------------|
E|-------------------7-7---77-77--------------------------------------------|
He also does this.
G|--------------------------------------------------------------------------|
D|--------------------------------------------------------------------------|
A|-8--555-8--555-5-5-7~-----------------------------------------------------|
E|--------------------------------------------------------------------------|
[ Tab from: https://www.guitartabs.cc/tabs/f/fugazi/repeater_btab.html ]
Another variation thrown in towards the end.
G|--------------------------------------------------------------------------|
D|--------------------------------------------------------------------------|
A|-8--555-8--555-5-5-----5--------------------------------------------------|
E|-------------------7-7---77-77-5-5----------------------------------------|
Hear something outside..
G|---------------------------------------------------------------------------|
D|---------------------------------------------------------------------------|
A|---------------------------------------------------------------------------|
E|-7-7-----------------------------------------------------------------------|
Into this other part.
G|---------------------------------------------------------------------------|
D|---7-----------------------------------------------------------------------|
A|-7---7-5-------0-5-7h8p7--------------------------------------------------|
E|---------7-7-7------------------------------------------------------------|
G|---------------------------------------------------------------------------|
D|---------------------------------------------------------------------------|
A|------5------5-7-----------------------------------------------------------|
E|-7-7---5-7-7-----7-7-------------------------------------------------------|