feat: final round of hacks for deploy command

config/env.go

@@ -1,12 +1,14 @@
 package config
 
 import (
+	"bufio"
 	"fmt"
 	"io/fs"
 	"io/ioutil"
 	"os"
 	"path"
 	"path/filepath"
+	"strings"
 
 	"github.com/Autonomic-Cooperative/godotenv"
 	"github.com/sirupsen/logrus"
@@ -109,3 +111,31 @@ func EnsureAbraDirExists() error {
 	}
 	return nil
 }
+
+func ReadAbraShEnvVars(abraSh string) (map[string]string, error) {
+	envVars := make(map[string]string)
+
+	file, err := os.Open(abraSh)
+	if err != nil {
+		if os.IsNotExist(err) {
+			return envVars, fmt.Errorf("'%s' does not exist?", abraSh)
+		}
+		return envVars, err
+	}
+
+	scanner := bufio.NewScanner(file)
+	for scanner.Scan() {
+		line := scanner.Text()
+		if strings.Contains(line, "export") {
+			splitVals := strings.Split(line, "export ")
+			envVarDef := splitVals[len(splitVals)-1]
+			keyVal := strings.Split(envVarDef, "=")
+			if len(keyVal) != 2 {
+				return envVars, fmt.Errorf("couldn't parse %s", line)
+			}
+			envVars[keyVal[0]] = keyVal[1]
+		}
+	}
+
+	return envVars, nil
+}