I demand that Antti Palosaari may or may not have written...
[snip]
[crope@localhost v4l-dvb]$ hg push ssh://anttip@linuxtv.org/hg/~anttip/af9015 pushing to ssh://anttip@linuxtv.org/hg/~anttip/af9015 searching for changes remote: abort: No space left on device [crope@localhost v4l-dvb]$ host linuxtv.org linuxtv.org has address 217.160.6.122
I removed 5-6 my old devel trees, still no space :o
$ rm .hg/dirstate $ hg purge --all
That gets rid of the working tree but retains all of the data necessary for use in a repository in which no actual development work takes place. (The working tree can be recreated, if needed, with "hg update".)