From d317f86441fb55861d6cb4094ca7955662c0f9e5 Mon Sep 17 00:00:00 2001
From: Siyuan Lou <siyuanlou@tencent.com>
Date: Jul 02 2024 04:02:03 +0000
Subject: add argument destdir to R2spec to specify the generated path of the spec file


---

diff --git a/r2spec/r2spec_obj.py b/r2spec/r2spec_obj.py
index 9f0f076..3799037 100644
--- a/r2spec/r2spec_obj.py
+++ b/r2spec/r2spec_obj.py
@@ -85,6 +85,8 @@ def setup_parser(prog):
         help='Give more info about what is going on.')
     parser.add_argument('--debug', action='store_true',
         help='Output bunches of debugging info.')
+    parser.add_argument('--destdir', 
+        help='Custom path to save the generated spec file.')
     if prog == 'R2rpm':
         setup_r2rpm_parser(parser)
     return parser
@@ -284,11 +286,13 @@ class R2spec(object):
         pack.get_description()
         pack.determine_arch()
 
+        destdir = args.destdir if hasattr(args, 'destdir') else None
+
         spec = Spec(settings, pack, no_check=args.no_check,
                     with_deps=args.with_deps)
         spec.fill_spec_info()
         spec.get_template()
-        spec.write_spec(True)
+        spec.write_spec(True, destdir=destdir)
 
         return pack
 
diff --git a/r2spec/spec.py b/r2spec/spec.py
index 859e742..c6ffdcb 100644
--- a/r2spec/spec.py
+++ b/r2spec/spec.py
@@ -228,12 +228,15 @@ class Spec:
             self.log.debug('ERROR: %s', err)
             raise R2specError('Cannot read the file %s' % (err, ))
 
-    def get_specfile(self):
+    def get_specfile(self, destdir=None):
         """ Return the path to the spec file.
         """
-        specdir = get_rpm_tag('_specdir')
-        specname = 'R-%s.spec' % self.package.name
-        return '%s/%s' % (specdir, specname)
+        if destdir:
+            return os.path.join(destdir, f'R-{self.package.name}.spec')
+        else:
+            specdir = get_rpm_tag('_specdir')
+            specname = 'R-%s.spec' % self.package.name
+            return '%s/%s' % (specdir, specname)
 
     def read_specfile(self):
         """ Read the specfile present in the spec directory.
@@ -249,10 +252,10 @@ class Spec:
                 self.log.info('Cannot read the file %s', specfile)
                 self.log.debug('ERROR: %s', err)
 
-    def write_spec(self, verbose=False):
+    def write_spec(self, verbose=False, destdir=None):
         """ Write down the spec to the spec directory as returned by rpm.
         """
-        specfile = self.get_specfile()
+        specfile = self.get_specfile(destdir)
         self.log.info('Writing file %s', specfile)
         try:
             stream = open(specfile, 'w')