From 8679ea9525672d74030303be062d9545c92b5840 Mon Sep 17 00:00:00 2001
From: solomoncyj <solomoncyj@gmail.com>
Date: Sun, 15 Dec 2024 21:00:42 +0800
Subject: [PATCH 1/2] feat: set up dependencies generation for fedora

---
 data/macros.meson        |  5 +++++
 data/mesongenbuildreq.py | 16 ++++++++++++++++
 2 files changed, 21 insertions(+)
 create mode 100644 data/mesongenbuildreq.py

Index: meson-1.9.0/data/macros.meson
===================================================================
--- meson-1.9.0.orig/data/macros.meson
+++ meson-1.9.0/data/macros.meson
@@ -47,6 +47,11 @@
         %{?qemu_user_space_build: -t 10} \
         %{nil}}
 
+%meson_buildrequires \
+    %{shrink: python3 %{_rpmconfigdir}/mesongenbuildreq %{__meson} \
+        %{nil}}
+
+
 # Declarative buildsystem, requires RPM 4.20+ to work
 # https://rpm-software-management.github.io/rpm/manual/buildsystem.html
 %buildsystem_meson_conf() %meson %*
Index: meson-1.9.0/data/mesongenbuildreq.py
===================================================================
--- /dev/null
+++ meson-1.9.0/data/mesongenbuildreq.py
@@ -0,0 +1,29 @@
+import subprocess
+import json
+import sys
+import os
+
+# Read ignored dependencies from ENV
+ignore_deps = set(os.environ.get("BUILDREQ_IGNORE_DEP", "").split())
+
+# Run introspection command
+deps_json = json.loads(
+    subprocess.run([sys.argv[1], "introspect", "--dependencies", "meson.build"],
+                   capture_output=True, text=True).stdout
+)
+
+# Build deps dictionary while skipping ignored libraries
+deps = {entry['name']: entry['version'] for entry in deps_json if entry['name'] not in ignore_deps}
+
+# Output formatted build requirements
+for lib, versions in deps.items():
+    version_str = ' ' + ' '.join(versions) if versions else ''
+    line = []
+    for prefix in ["cmake", "pkgconfig", "qmake"]:
+        buildreq = f"{prefix}({lib}){version_str}"
+        # Strip trailing '=' if version was empty
+        if buildreq.split('=')[-1] == '' and '=' in buildreq:
+            buildreq = buildreq.split('=')[0]
+        line.append(buildreq)
+    print(f"({' or '.join(line)})")
+