1 files changed, 49 insertions, 0 deletions
diff --git a/path.go b/path.go
new file mode 100644
index 0000000..66a27fe
--- /dev/null
+++ b/path.go
@@ -0,0 +1,49 @@
+package env
+
+import (
+	"os"
+	"path/filepath"
+	"strings"
+
+	"go.wit.com/log"
+)
+
+// adds a path to the ENV
+func AddPath(newpath string) bool {
+	path := os.Getenv("PATH")
+	for _, p := range strings.Split(path, ":") {
+		log.Info("Looking at path:", p)
+		if p == newpath {
+			log.Info("FOUND path:", p)
+			return false
+		}
+	}
+	path = path + ":" + newpath
+	log.Info("ADDING PATH:", path)
+	os.Setenv("PATH", path)
+	return true
+}
+
+// for "/home/turing/bletchley" returns "~/bletchley"
+func RelPath(p string) string {
+	p = strings.TrimSpace(p)
+	p = strings.Trim(p, "\"'")
+	homedir := Get("homeDir")
+	if strings.HasPrefix(p, homedir) {
+		p = strings.TrimPrefix(p, homedir)
+		p = filepath.Join("~", p)
+	}
+	return p
+}
+
+// for "~/bletchley" returns "/home/turing/bletchley"
+func FullPath(p string) string {
+	p = strings.TrimSpace(p)
+	p = strings.Trim(p, "\"'")
+	homedir := Get("homeDir")
+	if strings.HasPrefix(p, "~") {
+		p = strings.TrimPrefix(p, "~")
+		p = filepath.Join(homedir, p)
+	}
+	return p
+}