I’ve been playing around with git a lot as an alternative to subversion and am really loving it. However, I’m getting an error every time I try to commit:
Duplicate Signed-off-by lines.
I can see where this is being thrown inside
.git/hooks/commit-msg, but it wasn’t immediately obvious what the problem
was. I did a quick google search and found that others have had the same problem, but at least some members of the git
community have been less than helpful. I did figure out the problem, and figured I’d share it here for others.
The commit-msg script is written using bash style shell expansions,
foo = $(bar)
while the shebang at the top of the file is set to
/bin/sh. On many systems, this is not a bash shell. The
solution is to simply modify the shebang to wherever bash is on your system (probably
/usr/bin/bash or similar).