Hi, On Mon, 30 Apr 2007, srinivas naga vutukuri wrote: > $ git add project/test.c > error: bad index file sha1 signature > fatal: index file corrupt I could imagine that you do not have "binary mode" default for opening files. However, if you do, maybe your .git/index went corrupt? As a workaround, you could try "git read-tree HEAD" and then "git add" again, but make sure you have a backup of .git/index, since it could be a bug in Git(cygwin) and if so, I'd like to fix it. Ciao, Dscho - To unsubscribe from this list: send the line "unsubscribe git" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html