> dolt push origin ''
panic: runtime error: index out of range [0] with length 0
goroutine 1 [running]:
github.com/dolthub/dolt/go/libraries/doltcore/ref.ParseRefSpecForRemote(0x0, 0x0, 0x7fff638f2e23, 0x0, 0x0, 0x7fff638f2e23, 0x0, 0x0)
/src/libraries/doltcore/ref/ref_spec.go:64 +0x8ec
github.com/dolthub/dolt/go/libraries/doltcore/ref.ParseRefSpec(...)
/src/libraries/doltcore/ref/ref_spec.go:55
github.com/dolthub/dolt/go/cmd/dolt/commands.parsePushArgs(0x1f4d800, 0xc00009f500, 0xc00009fef0, 0xc000232630, 0xc0000f8880, 0xc00009fef0, 0x2afb310)
/src/cmd/dolt/commands/push.go:164 +0x2ff
github.com/dolthub/dolt/go/cmd/dolt/commands.PushCmd.Exec(0x1f4d800, 0xc00009f500, 0xc0003e7e00, 0x9, 0xc00003a0a0, 0x2, 0x2, 0xc000232630, 0x9)
/src/cmd/dolt/commands/push.go:108 +0x21a
github.com/dolthub/dolt/go/cmd/dolt/cli.SubCommandHandler.Exec(0x1c67904, 0x4, 0x1c7e4c4, 0x11, 0xc00042ac80, 0x26, 0x26, 0x0, 0x1f4d800, 0xc00009f500, ...)
/src/cmd/dolt/cli/command.go:165 +0x4c2
main.runMain(0x0)
/src/cmd/dolt/dolt.go:296 +0x123e
main.main()
/src/cmd/dolt/dolt.go:131 +0x2a