From 46fd8b9dafe3cca70cec6b83420282903f4acfba Mon Sep 17 00:00:00 2001
From: kolaente <k@knt.li>
Date: Wed, 2 Sep 2020 21:37:56 +0200
Subject: [PATCH] Add release:os-package command

---
 magefile.go | 61 +++++++++++++++++++++++++++++++++++++++++++++++------
 1 file changed, 55 insertions(+), 6 deletions(-)

diff --git a/magefile.go b/magefile.go
index d2c3c9905..e22afb472 100644
--- a/magefile.go
+++ b/magefile.go
@@ -198,7 +198,7 @@ func checkAndInstallGoTool(tool, importPath string) {
 }
 
 // Calculates a hash of a file
-func calculateHashOfFile(path string) (hash string, err error) {
+func calculateSha256FileHash(path string) (hash string, err error) {
 	f, err := os.Open(path)
 	if err != nil {
 		return "", err
@@ -213,6 +213,28 @@ func calculateHashOfFile(path string) (hash string, err error) {
 	return fmt.Sprintf("%x", h.Sum(nil)), nil
 }
 
+// Copy the src file to dst. Any existing file will be overwritten and will not
+// copy file attributes.
+func copyFile(src, dst string) error {
+	in, err := os.Open(src)
+	if err != nil {
+		return err
+	}
+	defer in.Close()
+
+	out, err := os.Create(dst)
+	if err != nil {
+		return err
+	}
+	defer out.Close()
+
+	_, err = io.Copy(out, in)
+	if err != nil {
+		return err
+	}
+	return out.Close()
+}
+
 // Formats the code using go fmt
 func Fmt() {
 	args := append([]string{"-s", "-w"}, GoFiles...)
@@ -282,7 +304,7 @@ func (Check) GotSwag() {
 	// swag is not capable of just outputting the generated docs to stdout, therefore we need to do it this way.
 	// Another drawback of this is obviously it will only work once - we're not resetting the newly generated
 	// docs after the check. This behaviour is good enough for ci though.
-	oldHash, err := calculateHashOfFile(RootPath + "/pkg/swagger/swagger.json")
+	oldHash, err := calculateSha256FileHash(RootPath + "/pkg/swagger/swagger.json")
 	if err != nil {
 		fmt.Printf("Error getting old hash of the swagger docs: %s", err)
 		os.Exit(1)
@@ -290,7 +312,7 @@ func (Check) GotSwag() {
 
 	DoTheSwag()
 
-	newHash, err := calculateHashOfFile(RootPath + "/pkg/swagger/swagger.json")
+	newHash, err := calculateSha256FileHash(RootPath + "/pkg/swagger/swagger.json")
 	if err != nil {
 		fmt.Printf("Error getting new hash of the swagger docs: %s", err)
 		os.Exit(1)
@@ -466,19 +488,46 @@ func (Release) Compress(ctx context.Context) error {
 
 // Copies all built binaries to dist/release/ in preparation for creating the os packages
 func (Release) Copy() {
-	// $(foreach file,$(wildcard $(DIST)/binaries/$(EXECUTABLE)-*),cp $(file) $(DIST)/release/$(notdir $(file));)
 	filepath.Walk(RootPath+"/"+DIST+"/binaries/", func(path string, info os.FileInfo, err error) error {
 		// Only executable files
 		if !strings.Contains(info.Name(), Executable) {
 			return nil
 		}
 
-		return os.Link(path, RootPath+"/"+DIST+"/release/"+info.Name())
+		return copyFile(path, RootPath+"/"+DIST+"/release/"+info.Name())
 	})
 }
 
-func (Release) OsPackage() {
+// Creates a folder for each
+func (Release) OsPackage() error {
 
+	// $(foreach file,$(filter-out %.sha256,$(wildcard $(DIST)/release/$(EXECUTABLE)-*)),
+	//    mkdir $(file)-full;mv $(file) $(file)-full/;	mv $(file).sha256 $(file)-full/; cp config.yml.sample $(file)-full/config.yml; cp LICENSE $(file)-full/; )
+
+	p := RootPath + "/" + DIST + "/release/"
+
+	return filepath.Walk(p, func(path string, info os.FileInfo, err error) error {
+		if strings.Contains(info.Name(), ".sha256") {
+			return nil
+		}
+
+		folder := p + info.Name() + "-full/"
+
+		if err := os.Mkdir(folder, 0755); err != nil {
+			return err
+		}
+		if err := os.Rename(p+info.Name()+".sha256", folder+info.Name()+".sha256"); err != nil {
+			return err
+		}
+		if err := copyFile(RootPath+"/config.yml.sample", folder+"config.yml.sample"); err != nil {
+			return err
+		}
+		if err := copyFile(RootPath+"/LICENSE", folder+"LICENSE"); err != nil {
+			return err
+		}
+
+		return nil
+	})
 }
 
 func (Release) Zip() {