ExecArgs processes the args to given exec command, handling all of the input / output redirection and file globbing, homedir expansion, etc.
(cmdIO *exec.CmdIO, errOk bool, cmd any, args ...any)
| 157 | // handling all of the input / output redirection and |
| 158 | // file globbing, homedir expansion, etc. |
| 159 | func (sh *Shell) ExecArgs(cmdIO *exec.CmdIO, errOk bool, cmd any, args ...any) (*sshclient.Client, string, []string) { |
| 160 | if len(sh.Jobs) > 0 { |
| 161 | jb := sh.Jobs.Peek() |
| 162 | if jb.OutIsPipe() { |
| 163 | cmdIO.PushIn(jb.PipeIn.Peek()) |
| 164 | } |
| 165 | } |
| 166 | scmd := reflectx.ToString(cmd) |
| 167 | cl := sh.ActiveSSH() |
| 168 | isCmd := sh.isCommand.Peek() |
| 169 | sargs := make([]string, 0, len(args)) |
| 170 | var err error |
| 171 | for _, a := range args { |
| 172 | s := reflectx.ToString(a) |
| 173 | if s == "" { |
| 174 | continue |
| 175 | } |
| 176 | if cl == nil { |
| 177 | s, err = homedir.Expand(s) |
| 178 | sh.HandleArgErr(errOk, err) |
| 179 | // note: handling globbing in a later pass, to not clutter.. |
| 180 | } else { |
| 181 | if s[0] == '~' { |
| 182 | s = "$HOME/" + s[1:] |
| 183 | } |
| 184 | } |
| 185 | sargs = append(sargs, s) |
| 186 | } |
| 187 | if scmd[0] == '@' { |
| 188 | newHost := "" |
| 189 | if scmd == "@0" { // local |
| 190 | cl = nil |
| 191 | } else { |
| 192 | hnm := scmd[1:] |
| 193 | if scl, ok := sh.SSHClients[hnm]; ok { |
| 194 | newHost = hnm |
| 195 | cl = scl |
| 196 | } else { |
| 197 | sh.HandleArgErr(errOk, fmt.Errorf("cosh: ssh connection named: %q not found", hnm)) |
| 198 | } |
| 199 | } |
| 200 | if len(sargs) > 0 { |
| 201 | scmd = sargs[0] |
| 202 | sargs = sargs[1:] |
| 203 | } else { // just a ssh switch |
| 204 | sh.SSHActive = newHost |
| 205 | return nil, "", nil |
| 206 | } |
| 207 | } |
| 208 | for i := 0; i < len(sargs); i++ { // we modify so no range |
| 209 | s := sargs[i] |
| 210 | switch { |
| 211 | case s[0] == '>': |
| 212 | sargs = sh.OutToFile(cl, cmdIO, errOk, sargs, i) |
| 213 | case s[0] == '|': |
| 214 | sargs = sh.OutToPipe(cl, cmdIO, errOk, sargs, i) |
| 215 | case cl == nil && isCmd && strings.HasPrefix(s, "args"): |
| 216 | sargs = sh.CmdArgs(errOk, sargs, i) |