grim/convey

closing merged branch
hostnames
2017-10-13, Gary Kramlich
33eae19fcbbe
closing merged branch
/*
* Convey
* Copyright 2016-2017 Gary Kramlich <grim@reaperworld.com>
*
* 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"
"os/exec"
"strings"
"bitbucket.org/rw_grim/convey/normalize"
)
func addGitEnv(envvar string, args ...string) string {
cmd := exec.Command("git", args...)
output, _ := cmd.Output()
trimmed := strings.TrimSpace(string(output))
os.Setenv(envvar, trimmed)
return trimmed
}
func initializeGit() []string {
os.Setenv("GIT_CONFIG_NOSYSTEM", "1")
addGitEnv("GIT_COMMIT", "rev-parse", "HEAD")
addGitEnv("GIT_COMMIT_SHORT", "rev-parse", "--short", "HEAD")
// add the branch and a normalized version
branch := addGitEnv("GIT_BRANCH", "rev-parse", "--abbrev-ref", "HEAD")
os.Setenv("GIT_BRANCH_NORMALIZED", normalize.Normalize(branch))
return []string{"GIT_COMMIT", "GIT_COMMIT_SHORT", "GIT_BRANCH", "GIT_BRANCH_NORMALIZED"}
}