feat: rpm: create packages with pure go

build/deploy/amazon-1/Dockerfile

@@ -30,7 +30,6 @@ RUN \
   yum -y install \
     bash-completion \
     ca-certificates \
-    rpm-build \
     sudo; \
   yap completion bash > /etc/bash_completion.d/yap; \
   echo "source /usr/share/bash-completion/bash_completion" >> /etc/bashrc; \

build/deploy/amazon-2/Dockerfile

@@ -30,7 +30,6 @@ RUN \
   yum -y install \
     bash-completion \
     ca-certificates \
-    rpm-build \
     sudo; \
   yap completion bash > /etc/bash_completion.d/yap; \
   echo "source /usr/share/bash-completion/bash_completion" >> /etc/bashrc; \

build/deploy/fedora-38/Dockerfile

@@ -31,7 +31,6 @@ RUN \
   dnf -y install \
     bash-completion \
     ca-certificates \
-    rpm-build \
     sudo; \
   yap completion bash > /etc/bash_completion.d/yap; \
   echo "source /usr/share/bash-completion/bash_completion" >> /etc/bashrc; \

build/deploy/rocky-8/Dockerfile

@@ -31,7 +31,6 @@ RUN \
     bash-completion \
     ca-certificates \
     dnf-plugins-core \
-    rpm-build \
     sudo; \
   dnf config-manager --enable devel; \
   dnf config-manager --enable powertools; \

build/deploy/rocky-9/Dockerfile

@@ -31,7 +31,6 @@ RUN \
     bash-completion \
     ca-certificates \
     dnf-plugins-core \
-    rpm-build \
     sudo; \
   dnf config-manager --enable crb; \
   dnf config-manager --enable devel; \

go.mod

@@ -8,6 +8,7 @@ require (
 	github.com/github/go-spdx/v2 v2.3.2
 	github.com/go-git/go-git/v5 v5.12.0
 	github.com/go-playground/validator/v10 v10.22.1
+	github.com/google/rpmpack v0.6.1-0.20240413165640-60c43da513f7
 	github.com/mholt/archiver/v4 v4.0.0-alpha.8.0.20240924230722-275fd2ee4270
 	github.com/otiai10/copy v1.14.0
 	github.com/pkg/errors v0.9.1
@@ -35,6 +36,7 @@ require (
 	github.com/bodgit/plumbing v1.3.0 // indirect
 	github.com/bodgit/sevenzip v1.5.1 // indirect
 	github.com/bodgit/windows v1.0.1 // indirect
+	github.com/cavaliergopher/cpio v1.0.1 // indirect
 	github.com/cloudflare/circl v1.3.7 // indirect
 	github.com/containerd/console v1.0.3 // indirect
 	github.com/cyphar/filepath-securejoin v0.2.4 // indirect

go.sum

@@ -59,6 +59,8 @@ github.com/bodgit/sevenzip v1.5.1/go.mod h1:Q3YMySuVWq6pyGEolyIE98828lOfEoeWg5ze
 github.com/bodgit/windows v1.0.1 h1:tF7K6KOluPYygXa3Z2594zxlkbKPAOvqr97etrGNIz4=
 github.com/bodgit/windows v1.0.1/go.mod h1:a6JLwrB4KrTR5hBpp8FI9/9W9jJfeQ2h4XDXU74ZCdM=
 github.com/bwesterb/go-ristretto v1.2.3/go.mod h1:fUIoIZaG73pV5biE2Blr2xEzDoMj7NFEuV9ekS419A0=
+github.com/cavaliergopher/cpio v1.0.1 h1:KQFSeKmZhv0cr+kawA3a0xTQCU4QxXF1vhU7P7av2KM=
+github.com/cavaliergopher/cpio v1.0.1/go.mod h1:pBdaqQjnvXxdS/6CvNDwIANIFSP0xRKI16PX4xejRQc=
 github.com/cavaliergopher/grab/v3 v3.0.1 h1:4z7TkBfmPjmLAAmkkAZNX/6QJ1nNFdv3SdIHXju0Fr4=
 github.com/cavaliergopher/grab/v3 v3.0.1/go.mod h1:1U/KNnD+Ft6JJiYoYBAimKH2XrYptb8Kl3DFGmsjpq4=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
@@ -144,6 +146,8 @@ github.com/google/pprof v0.0.0-20181206194817-3ea8567a2e57/go.mod h1:zfwlbNMJ+OI
 github.com/google/pprof v0.0.0-20190515194954-54271f7e092f/go.mod h1:zfwlbNMJ+OItoe0UupaVj+oy1omPYYDuagoSzA8v9mc=
 github.com/google/pprof v0.0.0-20200212024743-f11f1df84d12/go.mod h1:ZgVRPoUq/hfqzAqh7sHMqb3I9Rq5C59dIz2SbBwJ4eM=
 github.com/google/renameio v0.1.0/go.mod h1:KWCgfxg9yswjAJkECMjeO8J8rahYeXnNhOm40UhjYkI=
+github.com/google/rpmpack v0.6.1-0.20240413165640-60c43da513f7 h1:B6QHhFc8R7+dG/Vny4uAkrAdKRAVLTWMVDpHD36JF7E=
+github.com/google/rpmpack v0.6.1-0.20240413165640-60c43da513f7/go.mod h1:uqVAUVQLq8UY2hCDfmJ/+rtO3aw7qyhc90rCVEabEfI=
 github.com/googleapis/gax-go/v2 v2.0.4/go.mod h1:0Wqv26UfaUD9n4G6kQubkQ+KchISgw+vpHVxEJEs9eg=
 github.com/googleapis/gax-go/v2 v2.0.5/go.mod h1:DWXyrwAJ9X0FpwwEdw+IPEYBICEFu5mhpdKc/us6bOk=
 github.com/gookit/color v1.4.2/go.mod h1:fqRyamkC1W8uxl+lxCQxOT09l/vYfZ+QeiX3rKQHCoQ=

pkg/builder/builder.go

@@ -81,15 +81,5 @@ func (builder *Builder) getSources() error {
 // initDirs creates mandatory fakeroot folders (src, pkg) for a single project.
 // It returns any error if occurred.
 func (builder *Builder) initDirs() error {
-	dirs := []string{
-		builder.PKGBUILD.SourceDir,
-		builder.PKGBUILD.PackageDir}
-
-	for _, dir := range dirs {
-		if err := utils.ExistsMakeDir(dir); err != nil {
-			return err
-		}
-	}
-
-	return nil
+	return utils.ExistsMakeDir(builder.PKGBUILD.SourceDir)
 }

pkg/dpkg/dpkg.go

@@ -14,7 +14,6 @@ import (
 	"github.com/blakesmith/ar"
 	"github.com/mholt/archiver/v4"
 	"github.com/otiai10/copy"
-	"github.com/pkg/errors"
 )
 
 // Deb represents a Deb package.
@@ -244,9 +243,9 @@ func (d *Deb) createDebResources() error {
 	}
 
 	d.PKGBUILD.InstalledSize, _ = utils.GetDirSize(d.PKGBUILD.PackageDir)
-	d.PKGBUILD.Depends = d.processDepends(d.PKGBUILD.Depends)
-	d.PKGBUILD.MakeDepends = d.processDepends(d.PKGBUILD.MakeDepends)
-	d.PKGBUILD.OptDepends = d.processDepends(d.PKGBUILD.OptDepends)
+	d.PKGBUILD.Depends = processDepends(d.PKGBUILD.Depends)
+	d.PKGBUILD.MakeDepends = processDepends(d.PKGBUILD.MakeDepends)
+	d.PKGBUILD.OptDepends = processDepends(d.PKGBUILD.OptDepends)
 
 	tmpl := d.PKGBUILD.RenderSpec(specFile)
 	if err := d.PKGBUILD.CreateSpec(filepath.Join(d.debDir,
@@ -280,7 +279,7 @@ func (d *Deb) createDebResources() error {
 // The method calls dpkgDeb to create the package and removes the
 // package directory, returning an error if any step fails.
 func (d *Deb) BuildPackage(artifactsPath string) error {
-	debTemp, err := os.MkdirTemp(d.PKGBUILD.StartDir, "temp")
+	debTemp, err := os.MkdirTemp(d.PKGBUILD.SourceDir, "tmp")
 	if err != nil {
 		return err
 	}
@@ -381,7 +380,7 @@ func addArFile(writer *ar.Writer, name string, body []byte) error {
 	}
 
 	if err := writer.WriteHeader(&header); err != nil {
-		return errors.Errorf("cannot write file header")
+		return err
 	}
 
 	_, err := writer.Write(body)
@@ -409,13 +408,12 @@ func (d *Deb) getRelease() {
 //
 // Returns:
 //   - a new slice of strings with modified elements for deb syntax.
-func (d *Deb) processDepends(depends []string) []string {
+func processDepends(depends []string) []string {
 	pattern := `(?m)(<|<=|>=|=|>|<)`
 	regex := regexp.MustCompile(pattern)
 
 	for index, depend := range depends {
 		result := regex.Split(depend, -1)
-
 		if len(result) == 2 {
 			name := result[0]
 			operator := strings.Trim(depend, result[0]+result[1])

pkg/parser/parser.go

@@ -47,12 +47,11 @@ func ParseFile(distro, release, startDir, home string) (*pkgbuild.PKGBUILD, erro
 	}
 
 	pkgBuild := &pkgbuild.PKGBUILD{
-		Distro:     distro,
-		Codename:   release,
-		StartDir:   startDir,
-		Home:       home,
-		SourceDir:  filepath.Join(startDir, "src"),
-		PackageDir: filepath.Join(startDir, "staging"),
+		Distro:    distro,
+		Codename:  release,
+		StartDir:  startDir,
+		Home:      home,
+		SourceDir: filepath.Join(startDir, "src"),
 	}
 
 	err = utils.ExistsMakeDir(startDir)
@@ -75,6 +74,8 @@ func ParseFile(distro, release, startDir, home string) (*pkgbuild.PKGBUILD, erro
 		return nil, err
 	}
 
+	pkgBuild.SetMainFolders()
+
 	err = parseSyntaxFile(pkgbuildSyntax, pkgBuild)
 	if err != nil {
 		return nil, err

pkg/pkgbuild/pkgbuild.go

@@ -84,7 +84,6 @@ func (pkgBuild *PKGBUILD) AddItem(key string, data any) error {
 
 	pkgBuild.priorities[key] = priority
 	pkgBuild.mapVariables(key, data)
-	pkgBuild.setMainFolders()
 	pkgBuild.mapArrays(key, data)
 	pkgBuild.mapFunctions(key, data)
 	pkgBuild.processOptions()
@@ -370,12 +369,16 @@ func (pkgBuild *PKGBUILD) parseDirective(input string) (string, int, error) {
 //
 // It takes no parameters.
 // It does not return anything.
-func (pkgBuild *PKGBUILD) setMainFolders() {
+func (pkgBuild *PKGBUILD) SetMainFolders() {
 	switch pkgBuild.Distro {
 	case "arch":
 		pkgBuild.PackageDir = filepath.Join(pkgBuild.StartDir, "pkg", pkgBuild.PkgName)
 	case "alpine":
 		pkgBuild.PackageDir = filepath.Join(pkgBuild.StartDir, "apk", "pkg", pkgBuild.PkgName)
+	default:
+		pkgBuild.PackageDir, _ = os.MkdirTemp(
+			pkgBuild.StartDir,
+			pkgBuild.Distro)
 	}
 
 	if err := os.Setenv("pkgdir", pkgBuild.PackageDir); err != nil {

pkg/project/project.go

@@ -154,10 +154,6 @@ func (mpc *MultipleProject) BuildAll() error {
 // returns an error if there was a problem removing the directories.
 func (mpc *MultipleProject) Clean() error {
 	for _, project := range mpc.Projects {
-		if err := utils.RemoveAll(project.Builder.PKGBUILD.PackageDir); err != nil {
-			return err
-		}
-
 		if CleanBuild {
 			if err := utils.RemoveAll(project.Builder.PKGBUILD.SourceDir); err != nil {
 				return err
@@ -187,12 +183,7 @@ func (mpc *MultipleProject) MultiProject(distro, release, path string) error {
 		return err
 	}
 
-	err := mpc.validateAllProject(distro, release, path)
-	if err != nil {
-		return err
-	}
-
-	err = utils.ExistsMakeDir(mpc.BuildDir)
+	err := utils.ExistsMakeDir(mpc.BuildDir)
 	if err != nil {
 		return err
 	}
@@ -277,6 +268,10 @@ func (mpc *MultipleProject) createPackage(proj *Project) error {
 		return err
 	}
 
+	if err := utils.RemoveAll(proj.Builder.PKGBUILD.PackageDir); err != nil {
+		return err
+	}
+
 	return nil
 }
 
@@ -337,6 +332,7 @@ func (mpc *MultipleProject) populateProjects(distro, release, path string) error
 			return err
 		}
 
+		pkgbuildFile.Validate()
 		pkgbuildFile.ValidateArchitecture()
 
 		packageManager = packer.GetPackageManager(pkgbuildFile, distro)
@@ -420,25 +416,6 @@ func (mpc *MultipleProject) setSingleProject(path string) {
 	singleProject = true
 }
 
-// validateAllProject validates all projects in the MultipleProject struct.
-//
-// It takes in the distro, release, and path as parameters and returns an error.
-func (mpc *MultipleProject) validateAllProject(distro, release, path string) error {
-	for _, child := range mpc.Projects {
-		pkgbuildFile, err := parser.ParseFile(distro,
-			release,
-			filepath.Join(mpc.BuildDir, child.Name),
-			filepath.Join(path, child.Name))
-		if err != nil {
-			return err
-		}
-
-		pkgbuildFile.Validate()
-	}
-
-	return nil
-}
-
 // validateJSON validates the JSON of the MultipleProject struct.
 //
 // It uses the validator package to validate the struct and returns any errors encountered.

pkg/rpm/constants.go

@@ -11,7 +11,6 @@ const (
 var buildEnvironmentDeps = []string{
 	"autoconf",
 	"automake",
-	"createrepo",
 	"expect",
 	"gcc",
 	"gcc-c++",
@@ -20,7 +19,6 @@ var buildEnvironmentDeps = []string{
 	"make",
 	"openssl",
 	"pkgconf",
-	"rpm-sign",
 	"which",
 }
 
@@ -78,95 +76,3 @@ var (
 		"rocky":  ".el",
 	}
 )
-
-const specFile = `
-{{- /* Mandatory fields */ -}}
-Name: {{.PkgName}}
-Summary: {{.PkgDesc}}
-{{- if .Epoch}}
-Epoch: {{.Epoch}}
-{{- end }}
-Version: {{.PkgVer}}
-Release: {{.PkgRel}}
-{{- if .ArchComputed}}
-BuildArch: {{.ArchComputed}}
-{{- end }}
-{{- if .Section}}
-Group: {{.Section}}
-{{- end }}
-{{- if .URL}}
-URL: {{.URL}}
-{{- end }}
-{{- if .License}}
-{{- with .License}}
-License: {{join .}}
-{{- end }}
-{{- else }}
-License: CUSTOM
-{{- end }}
-{{- if .Maintainer}}
-Packager: {{.Maintainer}}
-{{- end }}
-{{- if .Copyright}}
-Vendor: {{ range .Copyright}}{{ . }}; {{ end }}{{- end }}
-{{- with .Provides}}
-Provides: {{join .}}
-{{- end }}
-{{- with .Conflicts}}
-Conflicts: {{join .}}
-{{- end }}
-{{- with .Depends}}
-Requires: {{join .}}
-{{- end }}
-{{- with .MakeDepends}}
-BuildRequires: {{join .}}
-{{- end }}
-{{- with .OptDepends}}
-Recommends: {{join .}}
-{{- end }}
-{{- with .OptDepends}}
-Suggests: {{join .}}
-{{- end }}
-AutoReqProv: no
-
-{{- if .PkgDest}}
-%define _rpmdir {{.PkgDest}}
-{{- end }}
-
-%global _build_id_links none
-%global _python_bytecompile_extra 0
-%global _python_bytecompile_errors_terminate_build 0
-%undefine __brp_python_bytecompile
-
-%description
-{{.PkgDesc}}
-
-%files
-{{- range $key, $value := .Files }}
-{{- if $value }}
-{{$value}}
-{{- end }}
-{{- end }}
-
-{{- if .PreInst}}
-%pre
-{{.PreInst}}
-{{- end }}
-
-{{- if .PostInst}}
-%post
-{{.PostInst}}
-{{- end }}
-
-{{- if .PreRm}}
-%preun
-if [[ "$1" -ne 0 ]]; then exit 0; fi
-{{.PreRm}}
-{{- end }}
-
-{{- if .PostRm}}
-%postun
-if [[ "$1" -ne 0 ]]; then exit 0; fi
-{{.PostRm}}
-{{- end }}
-`