From a27fb422303b2e2baea3725a0d8f8882f2226740 Mon Sep 17 00:00:00 2001
From: Maxim Merzhanov <maksimmerzh@gmail.com>
Date: Sat, 22 Oct 2022 18:56:42 +0300
Subject: [PATCH] tools: add generate_release_info tool

---
 tools/generate_release_info.go        | 75 +++++++++++++++++++++++++++
 tools/release-description-template.md | 31 +++++++++++
 2 files changed, 106 insertions(+)
 create mode 100644 tools/generate_release_info.go
 create mode 100644 tools/release-description-template.md

diff --git a/tools/generate_release_info.go b/tools/generate_release_info.go
new file mode 100644
index 0000000..9e1fbe5
--- /dev/null
+++ b/tools/generate_release_info.go
@@ -0,0 +1,75 @@
+package main
+
+import (
+	_ "embed"
+	"flag"
+	"html/template"
+	"os"
+	"sort"
+	"strings"
+)
+
+//go:embed release-description-template.md
+var releaseDescriptionTemplate string
+
+func main() {
+	var buildPath string
+	flag.StringVar(&buildPath, "build_path", "build", "directory with build files")
+
+	files, err := os.ReadDir(buildPath)
+	if err != nil {
+		panic(err)
+	}
+	var awlAndroid string
+	var awlLinux []string
+	var awlWindows []string
+	var awlTrayLinux []string
+	var awlTrayWindows []string
+
+	for _, file := range files {
+		if file.IsDir() {
+			continue
+		}
+		filename := file.Name()
+
+		switch {
+		case strings.HasPrefix(filename, "awl-android"):
+			awlAndroid = filename
+		case strings.HasPrefix(filename, "awl-linux"):
+			awlLinux = append(awlLinux, filename)
+		case strings.HasPrefix(filename, "awl-windows"):
+			awlWindows = append(awlWindows, filename)
+		case strings.HasPrefix(filename, "awl-tray-linux"):
+			awlTrayLinux = append(awlTrayLinux, filename)
+		case strings.HasPrefix(filename, "awl-tray-windows"):
+			awlTrayWindows = append(awlTrayWindows, filename)
+		}
+	}
+
+	sort.Strings(awlLinux)
+	sort.Strings(awlWindows)
+	sort.Strings(awlTrayLinux)
+	sort.Strings(awlTrayWindows)
+
+	releaseTag := strings.TrimPrefix(awlAndroid, "awl-android-")
+	releaseTag = strings.TrimSuffix(releaseTag, ".apk")
+
+	temp, err := template.New("release-description").Parse(releaseDescriptionTemplate)
+	if err != nil {
+		panic(err)
+	}
+
+	data := map[string]interface{}{
+		"ReleaseTag":     releaseTag,
+		"AwlAndroid":     awlAndroid,
+		"AwlLinux":       awlLinux,
+		"AwlWindows":     awlWindows,
+		"AwlTrayLinux":   awlTrayLinux,
+		"AwlTrayWindows": awlTrayWindows,
+	}
+
+	err = temp.Execute(os.Stdout, data)
+	if err != nil {
+		panic(err)
+	}
+}
diff --git a/tools/release-description-template.md b/tools/release-description-template.md
new file mode 100644
index 0000000..f165677
--- /dev/null
+++ b/tools/release-description-template.md
@@ -0,0 +1,31 @@
+# Installation
+
+For instructions on how to install anywherelan [see readme](https://github.com/anywherelan/awl#installation).
+
+## Android
+
+[{{$.AwlAndroid}}](https://github.com/anywherelan/awl/releases/download/{{$.ReleaseTag}}/{{$.AwlAndroid}})
+
+## Desktop version (awl-tray)
+
+### Linux binary builds
+
+{{range .AwlTrayLinux}}
+[{{.}}](https://github.com/anywherelan/awl/releases/download/{{$.ReleaseTag}}/{{.}})  {{end}}
+
+### Windows binary builds
+
+{{range .AwlTrayWindows}}
+[{{.}}](https://github.com/anywherelan/awl/releases/download/{{$.ReleaseTag}}/{{.}})  {{end}}
+
+## Server version (awl)
+
+### Linux binary builds
+
+{{range .AwlLinux}}
+[{{.}}](https://github.com/anywherelan/awl/releases/download/{{$.ReleaseTag}}/{{.}})  {{end}}
+
+### Windows binary builds
+
+{{range .AwlWindows}}
+[{{.}}](https://github.com/anywherelan/awl/releases/download/{{$.ReleaseTag}}/{{.}})  {{end}}