From 5f10dba792c4ec4d6a60147d4990a732e63570f3 Mon Sep 17 00:00:00 2001
From: Carlos Alexandro Becker <caarlos0@users.noreply.github.com>
Date: Thu, 17 Nov 2022 09:50:38 -0300
Subject: [PATCH] fix: archlinux prerelease (#578)

Signed-off-by: Carlos A Becker <caarlos0@users.noreply.github.com>

Signed-off-by: Carlos A Becker <caarlos0@users.noreply.github.com>
---
 arch/arch.go      | 10 ++++++++--
 arch/arch_test.go |  5 +++--
 2 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/arch/arch.go b/arch/arch.go
index cd561329..c24eae3d 100644
--- a/arch/arch.go
+++ b/arch/arch.go
@@ -72,7 +72,7 @@ func (ArchLinux) ConventionalFileName(info *nfpm.Info) string {
 	name := fmt.Sprintf(
 		"%s-%s-%d-%s.pkg.tar.zst",
 		info.Name,
-		info.Version,
+		info.Version+strings.ReplaceAll(info.Prerelease, "-", "_"),
 		pkgrel,
 		info.Arch,
 	)
@@ -411,7 +411,13 @@ func createPkginfo(info *nfpm.Info, tw *tar.Writer, totalSize int64) (*MtreeEntr
 	if info.Epoch != "" {
 		epoch, err := strconv.ParseUint(info.Epoch, 10, 64)
 		if err == nil {
-			pkgver = fmt.Sprintf("%d:%s-%d", epoch, info.Version, pkgrel)
+			pkgver = fmt.Sprintf(
+				"%d:%s%s-%d",
+				epoch,
+				info.Version,
+				strings.ReplaceAll(info.Prerelease, "-", "_"),
+				pkgrel,
+			)
 		}
 	}
 
diff --git a/arch/arch_test.go b/arch/arch_test.go
index c54e87c9..aebaa988 100644
--- a/arch/arch_test.go
+++ b/arch/arch_test.go
@@ -21,6 +21,7 @@ func exampleInfo() *nfpm.Info {
 		Priority:    "extra",
 		Maintainer:  "Carlos A Becker <pkg@carlosbecker.com>",
 		Version:     "1.0.0",
+		Prerelease:  "beta-1",
 		Section:     "default",
 		Homepage:    "http://carlosbecker.com",
 		Vendor:      "nope",
@@ -120,7 +121,7 @@ func TestArchConventionalFileName(t *testing.T) {
 			info.Arch = arch
 			name := Default.ConventionalFileName(info)
 			require.Equal(t,
-				"foo-test-1.0.0-1-"+archToArchLinux[arch]+".pkg.tar.zst",
+				"foo-test-1.0.0beta_1-1-"+archToArchLinux[arch]+".pkg.tar.zst",
 				name,
 			)
 		})
@@ -180,7 +181,7 @@ func TestArchVersionWithEpoch(t *testing.T) {
 	pkginfoData, err := makeTestPkginfo(t, info)
 	require.NoError(t, err)
 	fields := extractPkginfoFields(pkginfoData)
-	require.Equal(t, "2:0.0.1-1", fields["pkgver"])
+	require.Equal(t, "2:0.0.1beta_1-1", fields["pkgver"])
 }
 
 func TestArchOverrideArchitecture(t *testing.T) {