search for: ssh_custom_cmd

...JumpHost (-J) functionality, ssh constructed several command lines to facilitate the port forwarding; the command line however always starts with "ssh", picking the wrong binary from $PATH (and not from my development directory). This patch adds the option to use an environment variable (SSH_CUSTOM_CMD) to specify the command line to start with; on platforms that support it (Linux), it can also use /proc/self/exe to identify the ssh binary currently run and use it to create the port forwarding, avoiding confusions and possible problems when using different versions of ssh. github reference: http...