HGKeeper

* Convey

* 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 environment

import (

"os"

)

// Prune removes all empty-value variables from the environment.

func Prune(env []string) []string {

pruned := []string{}

for _, val := range env {

k, v := splitEqual(val)

if v == "" && os.Getenv(k) == "" {

continue

}

pruned = append(pruned, val)

}

return pruned

}