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/*******************************************************************************
*
* Copyright 2017 Stefan Majewsky <majewsky@gmx.net>
*
* This program is free software: you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any later
* version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
* A PARTICULAR PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*
*******************************************************************************/
package prompt
import "os"
//#include <sys/types.h>
//#include <pwd.h>
//#include <unistd.h>
import "C"
func getLoginField() string {
var result string
//show user name
userName := getUserName()
commonUser := getenvOrDefault("PRETTYPROMPT_COMMONUSER", "stefan")
if commonUser != userName {
color := "0"
if userName == "root" {
color = "1;41"
}
result = withColor(color, userName) + "@"
}
//show hostname
hostname, err := os.Hostname()
if err != nil {
handleError(err)
hostname = "<unknown>"
}
return result + withColor(
getenvOrDefault("PRETTYPROMPT_HOSTCOLOR", "0;33"),
hostname,
)
}
func getUserName() string {
//try to find username via getpwuid(getuid())
pw, err := C.getpwuid(C.getuid())
if err == nil {
return C.GoString(pw.pw_name)
}
//fallback to $USER, if set
if name := os.Getenv("USER"); name != "" {
return name
}
handleError(err)
return "<unknown>"
}
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