[coreboot-gerrit] Change in coreboot[master]: util/scripts/maintainers.go: Add Gerrit reviewers config emitter

[Patrick Georgi (Code Review)]

Patrick Georgi has uploaded this change for review. ( https://review.coreboot.org/29607

Change subject: util/scripts/maintainers.go: Add Gerrit reviewers config emitter
......................................................................

util/scripts/maintainers.go: Add Gerrit reviewers config emitter

The gerrit reviewers plugin has a certain configuration format. Teach
maintainers to emit it when called with -print-gerrit-rules.

Change-Id: I92cfc905e0c1b03b7cf793a4324c392140a22060
Signed-off-by: Patrick Georgi 
---
M util/scripts/maintainers.go
1 file changed, 35 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/07/29607/1

diff --git a/util/scripts/maintainers.go b/util/scripts/maintainers.go
index 6d91b90..1204e95 100644
--- a/util/scripts/maintainers.go
+++ b/util/scripts/maintainers.go
@@ -286,10 +286,40 @@
    return "^" + regex + "$"
 }

+var is_email *regexp.Regexp
+
+func extract_maintainer(maintainer string) string {
+	if is_email == nil {
+		is_email = regexp.MustCompile("<[^>]*>")
+	}
+
+	if match := is_email.FindStringSubmatch(maintainer); match != nil {
+		return match[0][1 : len(match[0])-1]
+	}
+	return maintainer
+}
+
+func do_print_gerrit_rules() {
+	for _, subsystem := range subsystems {
+		if len(subsystem.paths) == 0 || len(subsystem.maintainer) == 0 {
+			continue
+		}
+		fmt.Println("#", subsystem.name)
+		for _, path := range subsystem.paths {
+			fmt.Println("[filter "file:" + path_to_regexstr(path) + ""]")
+			for _, maint := range subsystem.maintainer {
+				fmt.Println("  reviewer =", extract_maintainer(maint))
+			}
+		}
+		fmt.Println()
+	}
+}
+
 func main() {
    var files []string
    var err error

+	var print_gerrit_rules = flag.Bool("print-gerrit-rules", false, "emit the MAINTAINERS rules in a format suitable for Gerrit's reviewers plugin")
    var debug = flag.Bool("debug", false, "emit additional debug output")
    flag.Parse()

@@ -305,6 +335,11 @@
    	print_maintainers()
    }

+	if *print_gerrit_rules {
+		do_print_gerrit_rules()
+		return
+	}
+
    args := flag.Args()
    if len(args) == 0 {
    	/* get the filenames */