Print a help message if no paths are specified to back up.
authorMichael Vrable <mvrable@cs.ucsd.edu>
Fri, 3 Aug 2007 05:14:37 +0000 (22:14 -0700)
committerMichael Vrable <mvrable@turin.ucsd.edu>
Fri, 3 Aug 2007 05:14:37 +0000 (22:14 -0700)
commit3b18234b6b9247f6e5943af0fca8d3fc0b50b593
tree10309d3d4277609c09d5ccc4e00ad93a22e02441
parent27cae99a5071a5c9b5a91831ef0b81aa3a3f17f9
Print a help message if no paths are specified to back up.

Rather than defaulting to backing up the current directory, always require
that a path be specified.  If no paths are specified, print the usage
message and exit.

Also, fix a crash that previously occurred when no paths were specified.
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