From 9e5e9e1cebcb8ef8b839cc55d1f6d16790d7bc94 Mon Sep 17 00:00:00 2001
From: Songmu <y.songmu@gmail.com>
Date: Sat, 27 Aug 2022 20:47:12 +0900
Subject: [PATCH] add .github/release.yml automatically when it doesn't exist

---
 changelog.go |  6 ------
 rcpr.go      | 19 ++++++++++++++++++-
 util.go      |  8 ++++++++
 3 files changed, 26 insertions(+), 7 deletions(-)
 create mode 100644 util.go

diff --git a/changelog.go b/changelog.go
index 1823027..00b6d19 100644
--- a/changelog.go
+++ b/changelog.go
@@ -4,7 +4,6 @@ import (
 	"bufio"
 	"bytes"
 	"fmt"
-	"os"
 	"regexp"
 	"strings"
 	"time"
@@ -38,11 +37,6 @@ func convertKeepAChangelogFormat(md string, d time.Time) string {
 	return strings.TrimSpace(md) + "\n"
 }
 
-func exists(filename string) bool {
-	_, err := os.Stat(filename)
-	return err == nil
-}
-
 var changelogReg = regexp.MustCompile(`(?i)^# Change\s?log`)
 
 func insertNewChangelog(orig string, section string) string {
diff --git a/rcpr.go b/rcpr.go
index bc67896..75872e8 100644
--- a/rcpr.go
+++ b/rcpr.go
@@ -9,6 +9,7 @@ import (
 	"log"
 	"net/url"
 	"os"
+	"path/filepath"
 	"regexp"
 	"strings"
 	"time"
@@ -226,6 +227,8 @@ func (rp *rcpr) Run(ctx context.Context) error {
 	} else {
 		vfile = rp.cfg.versionFile.String()
 	}
+	// TODO To be able to run some kind of change script set by configuration in advance.
+
 	if vfile != "" {
 		if err := bumpVersionFile(vfile, currVer, nextVer); err != nil {
 			return err
@@ -233,7 +236,21 @@ func (rp *rcpr) Run(ctx context.Context) error {
 	}
 	rp.c.GitE("add", "-f", rp.cfg.conf) // ignore any errors
 
-	// TODO To be able to run some kind of change script set by configuration in advance.
+	const releaseYml = ".github/release.yml"
+	// TODO: It would be nice to be able to add an exclude setting even if release.yml already exists.
+	if !exists(releaseYml) {
+		if err := os.MkdirAll(filepath.Dir(releaseYml), 0755); err != nil {
+			return err
+		}
+		if err := os.WriteFile(releaseYml, []byte(`changelog:
+  exclude:
+    labels:
+      - rcpr
+`), 0644); err != nil {
+			return err
+		}
+		rp.c.GitE("add", "-f", releaseYml)
+	}
 
 	rp.c.Git("commit", "--allow-empty", "-am", autoCommitMessage)
 
diff --git a/util.go b/util.go
new file mode 100644
index 0000000..a2f519d
--- /dev/null
+++ b/util.go
@@ -0,0 +1,8 @@
+package rcpr
+
+import "os"
+
+func exists(filename string) bool {
+	_, err := os.Stat(filename)
+	return err == nil
+}