feat: util function to fetch all users that have commited to a repo

src/cmd/utils/git_scope.go

@@ -0,0 +1,55 @@
+package utils
+
+import (
+	"os/exec"
+	"strings"
+)
+
+func GitCheckAuthors() []User {
+	// check for all authors in git repo
+	cmd := exec.Command("git", "shortlog", "-sne", "--all")
+
+	out, err := cmd.Output()
+	if err != nil {
+		return nil
+	}
+	lines := strings.Split(string(out), "\n")
+
+	cmd = exec.Command("git", "rev-parse", "--show-toplevel")
+	out, err = cmd.Output()
+	if err != nil {
+		return nil
+	}
+	git_folder := strings.TrimSpace(string(out))
+
+	var authors []User
+	for _, line := range lines {
+		parts := strings.Split(line, "\t")
+		if len(line) < 2 {
+			continue
+		}
+		nameAndEmail := strings.Split(parts[1], "<")
+		if len(nameAndEmail) < 2 {
+			continue
+		}
+		name := strings.TrimSpace(nameAndEmail[0])
+		email := strings.TrimSpace(strings.TrimSuffix(nameAndEmail[1], ">"))
+
+		authors = append(authors, User{
+			Shortname: name[:2],
+			Longname:  name,
+			Username: name,
+			Email: email,
+			Ex: false,
+			Groups: func () []string { if git_folder != "" {
+				return []string{git_folder}
+			} else {
+				return []string{}
+			}
+			}(),
+		})
+	}
+
+	return authors
+
+}