How can I switch to a tag/branch in hg?

Question

I followed the documentation in https://developer.mozilla.org/En/Developer_Guide/Source_Code/Mercurial and downloaded FF source with:

hg clone http://hg.mozilla.org/mozilla-central/ src

How can I switch to the FF3.6 'branch' or 'tag'? The documentation said

hg clone http://hg.mozilla.org/releases/mozilla-1.9.2/ 192src

but I don't want to clone both FF main and FF3.6 twice?

Solution

Once you have cloned the repo, you have everything: you can then hg up branchname or hg up tagname to update your working copy.

UP: hg up is a shortcut of hg update, which also has hg checkout alias for people with git habits.

Comments

[jww]

crazyscot - does one have to clone and checkout? Is it not possible to just grab what you want in 1 step (i.e., hg clone http://hg.nginx.org/nginx -r "1.4.4" to checkout version 1.4.4 of the project).

[Hendy Irawan]

hg branch only lists default, but the repo has tags! To list tags, use hg tags

[O'Rooney]

you can use hg clone -u <revision> to update after cloning