Use git to retrieve version instead of manually change PREMAKE_VERSION.

Author: Jarod42

.gitattributes

@@ -1 +1,2 @@
 Bootstrap.bat text eol=crlf
+src/host/premake_archive_version.h export-subst

.github/workflows/ci-workflow.yml

@@ -15,6 +15,8 @@ jobs:
     steps:
     - name: Checkout
       uses: actions/checkout@v4
+      with:
+        fetch-depth: 0
     - name: Install booststrap's dependencies
       run: |
         sudo apt-get update 
@@ -46,6 +48,8 @@ jobs:
     steps:
     - name: Checkout
       uses: actions/checkout@v4
+      with:
+        fetch-depth: 0
     - name: Build
       run: PLATFORM=${{ matrix.platform }} CONFIG=${{ matrix.config }} ./Bootstrap.sh
     - name: Test
@@ -69,6 +73,8 @@ jobs:
     steps:
     - name: Checkout
       uses: actions/checkout@v4
+      with:
+        fetch-depth: 0
     - name: Build
       shell: cmd
       env:
@@ -107,6 +113,8 @@ jobs:
     steps:
     - name: Checkout
       uses: actions/checkout@v4
+      with:
+        fetch-depth: 0
     - name: 'Setup MSYS2'
       uses: msys2/setup-msys2@v2
       with:
@@ -146,6 +154,8 @@ jobs:
     steps:
     - name: Checkout
       uses: actions/checkout@v4
+      with:
+        fetch-depth: 0
     - uses: tritao/[email protected]
       with:
         version: '3.9.2'
@@ -175,6 +185,8 @@ jobs:
     steps:
     - name: Checkout
       uses: actions/checkout@v4
+      with:
+        fetch-depth: 0
     - name: Start FreeBSD VM
       uses: vmactions/freebsd-vm@v1
       with:
@@ -214,6 +226,8 @@ jobs:
     steps:
     - name: Checkout
       uses: actions/checkout@v4
+      with:
+        fetch-depth: 0
     - name: Start OpenBSD VM
       uses: vmactions/openbsd-vm@v1
       with:
@@ -253,6 +267,8 @@ jobs:
     steps:
     - name: Checkout
       uses: actions/checkout@v4
+      with:
+        fetch-depth: 0
     - name: Start NetBSD VM
       uses: vmactions/netbsd-vm@v1
       with:
@@ -284,6 +300,8 @@ jobs:
     steps:
     - name: Checkout
       uses: actions/checkout@v4
+      with:
+        fetch-depth: 0
     - name: Start DragonflyBSD VM
       uses: vmactions/dragonflybsd-vm@v1
       with:
@@ -315,6 +333,8 @@ jobs:
     steps:
     - name: Checkout
       uses: actions/checkout@v4
+      with:
+        fetch-depth: 0
     - name: Start Solaris VM
       uses: vmactions/solaris-vm@v1
       with:

premake5.lua

@@ -192,6 +192,38 @@
 --    symbols "On"
 --
 
+	local function autoversion_h()
+		local git_tag, errorCode = os.outputof("git describe --tag --always")
+		if errorCode == 0 then
+			print("git description: ", git_tag)
+			local content = io.readfile("src/host/premake_git_version.h.in")
+			content = content:gsub("${GIT_DESC}", git_tag)
+
+			local locationDir = _OPTIONS["to"]
+			os.mkdir(locationDir)
+			local f, err = os.writefile_ifnotequal(content, path.join(locationDir, "premake_git_version.h"))
+
+			if (f == 0) then -- file not modified
+			elseif (f < 0) then
+				error(err, 0)
+				return false
+			elseif (f > 0) then
+				print("Generated premake_git_version.h...")
+			end
+
+			return true
+		else
+			print("`git describe --tag` failed with error code", errorCode, git_tag)
+			return false
+		end
+	end
+
+	if premake.action.isConfigurable() then
+		autoversion_h()
+	end
+
+	gitintegration "Always"
+
 	solution "Premake5"
 		configurations { "Release", "Debug" }
 		location ( _OPTIONS["to"] )
@@ -269,6 +301,7 @@
 		{
 			"*.txt", "**.lua",
 			"src/**.h", "src/**.c",
+			"src/**.in",
 			"modules/**"
 		}
 
@@ -278,6 +311,8 @@
 			"binmodules/**.*"
 		}
 
+		includedirs { _OPTIONS["to"] } -- for generated file premake_git_version.h
+
 		filter { "options:lua-src=contrib" }
 			includedirs { "contrib/lua/src", "contrib/luashim" }
 			links       { "lua-lib" }

src/host/premake.h

@@ -18,7 +18,17 @@
 #include <stdint.h>
 #include <stdlib.h>
 
-#define PREMAKE_VERSION        "5.0.0-dev"
+// #define PREMAKE_VERSION "5.x.x-xxxx"
+#ifdef __has_include
+# if __has_include("premake_git_version.h")
+#  include "premake_git_version.h"
+# else
+#  include "premake_archive_version.h"
+# endif
+#else
+# define PREMAKE_VERSION "Unknown"
+#endif
+
 #define PREMAKE_COPYRIGHT      "Copyright (C) 2002-2025 Jess Perkins and the Premake Project"
 #define PREMAKE_PROJECT_URL    "https://github.com/premake/premake-core/wiki"
 

src/host/premake_archive_version.h

@@ -0,0 +1,3 @@
+// File changed by git archive
+
+#define PREMAKE_VERSION "$Format:%(describe)$"

src/host/premake_git_version.h.in

@@ -0,0 +1,4 @@
+// premake_git_version.h auto-generated by git hook thanks to gitintegration
+// Don't modify manually premake_git_version.h, but premake_git_version.h.in instead
+
+#define PREMAKE_VERSION "${GIT_DESC}"