Junio C Hamano venit, vidit, dixit 19.02.2015 19:10: > Michael J Gruber <g...@drmicha.warpmail.net> writes: > >> Randall S. Becker venit, vidit, dixit 19.02.2015 14:32: >>> git symbolic-ref --short HEAD >> >> That errors out when HEAD is detached. > > Isn't that what you would want to happen anyway? > > if current=$(that command) > then > you know $current is checked out > else > you know HEAD is detached > fi > > If you used another command that gives either the name of the > current branch or 4-letter H-E-A-D without any other indication, you > cannot tell if you checked out the "HEAD" branch aka refs/heads/HEAD > or you are not on any branch. The former would happen after doing > this: > > $ git update-ref refs/heads/HEAD HEAD > $ git checkout HEAD > > Of course, this is not a recommended practice, and "git branch" > these days refuses to create refs/heads/HEAD to discourage you from > doing so by mistake, but there is no guarantee that the repository > whatever script you are writing to work in was created and used by > sane people ;-) so you would want to be defensive, no? >
If you want to be defenive, don't use --abbrev-ref, just git rev-parse --symbolic-full-name HEAD The original request was for a one-liner, I think. Michael -- To unsubscribe from this list: send the line "unsubscribe git" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
