gclient flatten: also preserve variables in deps_os entries

This is the same change as in https://chromium-review.googlesource.com/c/586594
applied to _DepsOsToLines.

Bug: 570091
Change-Id: I06a4dc3a9b6dbb001a15b1d7b88fef12cf6c6aaa
Reviewed-on: https://chromium-review.googlesource.com/609980
Reviewed-by: Emma Söderberg <emso@chromium.org>
Commit-Queue: Paweł Hajdan Jr. <phajdan.jr@chromium.org>

gclient.py

@@ -1890,7 +1890,7 @@ def _DepsOsToLines(deps_os):
       s.extend([
           '    # %s' % dep.hierarchy(include_url=False),
           '    "%s": {' % (name,),
-          '      "url": "%s",' % (dep.url,),
+          '      "url": "%s",' % (dep.raw_url,),
       ] + condition_part + [
           '    },',
           '',

testing_support/fake_repos.py

@@ -460,6 +460,7 @@ vars = {
   'DummyVariable': 'repo',
   'git_base': '%(git_base)s',
   'hook1_contents': 'git_hooked1',
+  'repo5_var': '/repo_5',
 }
 gclient_gn_args_file = 'src/gclient.args'
 gclient_gn_args = ['DummyVariable']
@@ -480,15 +481,15 @@ deps = {
 deps_os ={
   'mac': {
     # This entry should not appear in flattened DEPS' |deps|.
-    'src/mac_repo': '/repo_5',
+    'src/mac_repo': '{repo5_var}',
   },
   'unix': {
     # This entry should not appear in flattened DEPS' |deps|.
-    'src/unix_repo': '/repo_5',
+    'src/unix_repo': '{repo5_var}',
   },
   'win': {
     # This entry should not appear in flattened DEPS' |deps|.
-    'src/win_repo': '/repo_5',
+    'src/win_repo': '{repo5_var}',
   },
 }
 hooks = [

tests/gclient_smoketest.py

@@ -625,7 +625,7 @@ class GClientSmokeGIT(GClientSmokeBase):
         '  "mac": {',
         '    # src -> src/mac_repo',
         '    "src/mac_repo": {',
-        '      "url": "/repo_5",',
+        '      "url": "{repo5_var}",',
         '    },',
         '',
         '    # src -> src/repo8 -> src/recursed_os_repo',
@@ -643,7 +643,7 @@ class GClientSmokeGIT(GClientSmokeBase):
         '',
         '    # src -> src/unix_repo',
         '    "src/unix_repo": {',
-        '      "url": "/repo_5",',
+        '      "url": "{repo5_var}",',
         '    },',
         '',
         '  },',
@@ -651,7 +651,7 @@ class GClientSmokeGIT(GClientSmokeBase):
         '  "win": {',
         '    # src -> src/win_repo',
         '    "src/win_repo": {',
-        '      "url": "/repo_5",',
+        '      "url": "{repo5_var}",',
         '    },',
         '',
         '  },',
@@ -712,6 +712,9 @@ class GClientSmokeGIT(GClientSmokeBase):
         '  # src',
         '  "hook1_contents": \'git_hooked1\',',
         '',
+        '  # src',
+        '  "repo5_var": \'/repo_5\',',
+        '',
         '}',
         '',
     ], deps_contents.splitlines())
@@ -776,7 +779,7 @@ class GClientSmokeGIT(GClientSmokeBase):
         '  "mac": {',
         '    # src -> src/mac_repo',
         '    "src/mac_repo": {',
-        '      "url": "/repo_5",',
+        '      "url": "{repo5_var}",',
         '    },',
         '',
         '    # src -> src/repo8 -> src/recursed_os_repo',
@@ -794,7 +797,7 @@ class GClientSmokeGIT(GClientSmokeBase):
         '',
         '    # src -> src/unix_repo',
         '    "src/unix_repo": {',
-        '      "url": "/repo_5",',
+        '      "url": "{repo5_var}",',
         '    },',
         '',
         '  },',
@@ -802,7 +805,7 @@ class GClientSmokeGIT(GClientSmokeBase):
         '  "win": {',
         '    # src -> src/win_repo',
         '    "src/win_repo": {',
-        '      "url": "/repo_5",',
+        '      "url": "{repo5_var}",',
         '    },',
         '',
         '  },',
@@ -863,6 +866,9 @@ class GClientSmokeGIT(GClientSmokeBase):
         '  # src',
         '  "hook1_contents": \'git_hooked1\',',
         '',
+        '  # src',
+        '  "repo5_var": \'/repo_5\',',
+        '',
         '}',
         '',
     ], deps_contents.splitlines())