fix: allow using directories as contents in archlinux packager (#568)

* fix: Recursively add files if content is directory

* fix: Skip contents with wrong packager value

* test: Add acceptance tests for directories

arch/arch.go

@@ -9,6 +9,7 @@ import (
 	"errors"
 	"fmt"
 	"io"
+	"io/fs"
 	"os"
 	"path/filepath"
 	"strconv"
@@ -159,11 +160,60 @@ func createFilesInTar(info *nfpm.Info, tw *tar.Writer) ([]MtreeEntry, int64, err
 	var entries []MtreeEntry
 	var totalSize int64
 
+	var contents []*files.Content
+
 	for _, content := range info.Contents {
 		if content.Packager != "" && content.Packager != packagerName {
 			continue
 		}
 
+		switch content.Type {
+		case "dir", "symlink":
+			contents = append(contents, content)
+			continue
+		}
+
+		fi, err := os.Stat(content.Source)
+		if err != nil {
+			return nil, 0, err
+		}
+
+		if fi.IsDir() {
+			err = filepath.WalkDir(content.Source, func(path string, d fs.DirEntry, err error) error {
+				if err != nil {
+					return err
+				}
+
+				relPath := strings.TrimPrefix(path, content.Source)
+
+				if d.IsDir() {
+					return nil
+				}
+
+				c := &files.Content{
+					Source:      path,
+					Destination: filepath.Join(content.Destination, relPath),
+					FileInfo: &files.ContentFileInfo{
+						Mode: d.Type(),
+					},
+				}
+
+				if d.Type()&os.ModeSymlink != 0 {
+					c.Type = "symlink"
+				}
+
+				contents = append(contents, c)
+				return nil
+			})
+			if err != nil {
+				return nil, 0, err
+			}
+		} else {
+			contents = append(contents, content)
+		}
+	}
+
+	for _, content := range contents {
 		path := normalizePath(content.Destination)
 
 		switch content.Type {

arch/arch_test.go

@@ -61,6 +61,10 @@ func exampleInfo() *nfpm.Info {
 					Destination: "/etc/fake/fake-link.conf",
 					Type:        "symlink",
 				},
+				{
+					Source:      "../testdata/something",
+					Destination: "/etc/something",
+				},
 			},
 			Scripts: nfpm.Scripts{
 				PreInstall:  "../testdata/scripts/preinstall.sh",

testdata/acceptance/apk.dockerfile

@@ -48,6 +48,11 @@ RUN test -f /usr/share/whatever/folder/folder2/file2
 RUN test -d /var/log/whatever
 RUN test -d /usr/share/foo
 RUN test -d /usr/foo/bar/something
+RUN test -d /etc/something
+RUN test -f /etc/something/a
+RUN test -f /etc/something/b
+RUN test -d /etc/something/c
+RUN test -f /etc/something/c/d
 RUN test $(stat -c %a /usr/sbin/fake) -eq 4755
 RUN test -f /tmp/preinstall-proof
 RUN test -f /tmp/postinstall-proof

testdata/acceptance/archlinux.dockerfile

@@ -51,6 +51,11 @@ RUN test -f /usr/share/whatever/folder/folder2/file2
 RUN test -d /var/log/whatever
 RUN test -d /usr/share/foo
 RUN test -d /usr/foo/bar/something
+RUN test -d /etc/something
+RUN test -f /etc/something/a
+RUN test -f /etc/something/b
+RUN test -d /etc/something/c
+RUN test -f /etc/something/c/d
 RUN test $(stat -c %a /usr/bin/fake) -eq 4755
 RUN test -f /tmp/preinstall-proof
 RUN test -f /tmp/postinstall-proof

testdata/acceptance/core.complex.yaml

@@ -27,6 +27,8 @@ contents:
 - src: ./testdata/whatever.conf
   dst: /etc/foo/whatever.conf
   type: config
+- src: ./testdata/something
+  dst: /etc/something
 - src: ./testdata/fake
   dst: /usr/sbin/fake
   packager: deb

testdata/acceptance/deb.dockerfile

@@ -51,6 +51,11 @@ RUN test -f /usr/share/whatever/folder/folder2/file2
 RUN test -d /var/log/whatever
 RUN test -d /usr/share/foo
 RUN test -d /usr/foo/bar/something
+RUN test -d /etc/something
+RUN test -f /etc/something/a
+RUN test -f /etc/something/b
+RUN test -d /etc/something/c
+RUN test -f /etc/something/c/d
 RUN test $(stat -c %a /usr/sbin/fake) -eq 4755
 RUN test -f /tmp/preinstall-proof
 RUN test -f /tmp/postinstall-proof

testdata/acceptance/rpm.dockerfile

@@ -50,6 +50,11 @@ RUN test -f /usr/share/whatever/folder/folder2/file2
 RUN test -d /var/log/whatever
 RUN test -d /usr/share/foo
 RUN test -d /usr/foo/bar/something
+RUN test -d /etc/something
+RUN test -f /etc/something/a
+RUN test -f /etc/something/b
+RUN test -d /etc/something/c
+RUN test -f /etc/something/c/d
 RUN test $(stat -c %a /usr/sbin/fake) -eq 4755
 RUN test -f /tmp/preinstall-proof
 RUN test -f /tmp/postinstall-proof

testdata/something/a

@@ -0,0 +1 @@
+a

testdata/something/b

@@ -0,0 +1 @@
+b

testdata/something/c/d

@@ -0,0 +1 @@
+d