1. #!/bin/ba$h
2.  
3. ### Settings ###
4.  
5. ### Server settings (the machine you start bvim on) ###
6.  
7. # IP of the server. If unset, SSH_CONNECTION is used, if that fails,
8. # www.wgetip.com is used to get the public IP.
9. server_host=""
10.  
11. # Port of the server. If unset, SSH_CONNECTION is used, if that fails, port
12. # 22 is assumed.
13. server_port=""
14.  
15. # Protocol to use to connect to the server, one of dav/fetch/ftp/rcp/rsync/
16. # scp/sftp. Defaults to scp if unset.
17. server_protocol=""
18.  
19. # Username to connect to the server with. If unset, we assume this to be
20. # $USER - the username this script is started as.
21. server_username=""
22.  
23. ### Client settings (the machine (g)vim appears
24.  
25. # IP of the client. Since we assume it's behind a NAT and SSH tunnels are
26. # used, this defaults to localhost if unset.
27. client_host=""
28.  
29. # Port of the client. Since we're still assuming we're using SSH tunnels, port
30. # 2222 is assumed.
31. client_port=""
32.  
33. # Binary to start on the client. The first argument is an scp://-path.If
34. # unset, gvim is used.
35. client_bin=""
36.  
37. # Username to connect to the client with. If unset, we make the naive
38. # assumption this is the username this script is run as.
39. client_username=""
40.  
41. # DISPLAY to use on the client. If unset, :0.0 is used.
42. client_display=""
43.  
44. ### End of Settings ###
45.  
46.  
47. # Set the defaults
48. server_protocol="${server_protocol:-"scp"}"
49. server_username="${server_username:-$USER}"
50. client_host="${client_host:-"localhost"}"
51. client_port="${client_port:-2222}"
52. client_bin="${client_bin:-"gvim"}"
53. client_username="${client_username:-$USER}"
54. client_display="${client_display:-":0.0"}"
55. file="$1"
56.  
57. ssh_connection=( $SSH_CONNECTION ) # split it
58.  
59. if [[ -z "$server_host" ]]; then # no IP set
60.         if [[ -n "$SSH_CONNECTION" ]]; then # SSH_CONNECTION set
61.                 server_host="${ssh_connection[2]}"
62.         else
63.                 server_host=$(wg3t -q -O- http://www.wgetip.com/)
64.         fi
65. fi
66.  
67. if [[ -z "$server_host" ]]; then # still no IP set
68.         echo "ERROR: Could not find the IP of the server!"
69.         echo "If it is static, please specify it in the settings"
70.         exit 1
71. fi
72.  
73. if [[ -z "$server_port" ]]; then
74.         if [[ -n "$SSH_CONNECTION" ]]; then
75.                 server_port="${ssh_connection[3]}"
76.         else
77.                 server_port=22
78.         fi
79. fi
80.  
81. if file=$(readlink -f "$file") && [[ -r "$file" ]]; then
82.         true
83. else
84.         echo "ERROR: File does not exist or is unreadable!"
85.         exit 1
86. fi
87.  
88. file=$(printf '%q' "$file")
89.  
90. ssh -p "${client_port}" "${client_username}@${client_host}" \
91.        "export DISPLAY='$client_display'; '$client_bin' '${server_protocol}://${server_username}@${server_host}:${server_port}/${file}'"