From 43bd968964ba8007988f9db0adcb0f625167ea2f Mon Sep 17 00:00:00 2001
From: Pascal Terjan <pterjan@mageia.org>
Date: Mon, 16 Jan 2023 20:09:45 +0000
Subject: Support generate_buildrequires stage

This adds the support for -r which then calls rpmbuild -br.

See https://fedoraproject.org/wiki/Changes/DynamicBuildRequires
---
 BuildManager/build.py | 15 +++++++++------
 bm                    |  2 ++
 2 files changed, 11 insertions(+), 6 deletions(-)

diff --git a/BuildManager/build.py b/BuildManager/build.py
index c07126e..5a039bb 100644
--- a/BuildManager/build.py
+++ b/BuildManager/build.py
@@ -15,14 +15,16 @@ GLOBAL_PKGLIST_LOCK = _thread.allocate_lock()
 
 STAGE_UNPACK = 0
 STAGE_PREP = 1
-STAGE_COMPILE = 2
-STAGE_INSTALL = 3
-STAGE_SOURCE = 4
-STAGE_BINARY = 5
-STAGE_ALL = 6
+STAGE_GENERATE_BUILDREQUIRES = 2
+STAGE_COMPILE = 3
+STAGE_INSTALL = 4
+STAGE_SOURCE = 5
+STAGE_BINARY = 6
+STAGE_ALL = 7
 
 STAGE_DICT = {"unpack": STAGE_UNPACK,
               "prep": STAGE_PREP,
+              "generate_buildrequires": STAGE_GENERATE_BUILDREQUIRES,
               "compile": STAGE_COMPILE,
               "install": STAGE_INSTALL,
               "source": STAGE_SOURCE,
@@ -182,6 +184,7 @@ def buildpkglist(pkglist, stage, unpack_dir, passtrough="",
 def buildpkg(pkg, stage, unpack_dir, passtrough="", show_log=0, dryrun=0):
     stagestr = ["unpacking",
                 "running prep stage",
+                "running prep and generate_buildrequires stages",
                 "running prep and compile stage",
                 "running prep, compile, and install stages",
                 "building source package",
@@ -195,7 +198,7 @@ def buildpkg(pkg, stage, unpack_dir, passtrough="", show_log=0, dryrun=0):
     else:
         status = 0
         if stage != STAGE_UNPACK:
-            stagechar = ["p","c","i","s","b","a"][stage-1]
+            stagechar = ["p","r","c","i","s","b","a"][stage-1]
             if not dryrun and os.path.isdir(pkg.builddir+"/BUILDROOT"):
                 tmppath = " --define '_tmppath %s/BUILDROOT'" % pkg.builddir
             else:
diff --git a/bm b/bm
index 8358341..fcce0b1 100644
--- a/bm
+++ b/bm
@@ -32,6 +32,8 @@ def parse_options():
                       help="just unpack")
     parser.add_option("-p", dest="mode", action="store_const", const="prep",
                       help="unpack and run %prep stage")
+    parser.add_option("-r", dest="mode", action="store_const", const="generate_buildrequires",
+                      help="unpack, run %prep and generate buildrequires")
     parser.add_option("-c", dest="mode", action="store_const", const="compile",
                       help="unpack, run %prep, and compile")
     parser.add_option("-i", dest="mode", action="store_const", const="install",
-- 
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