msubprojects: Support git subprojects with no wrap file

User could have cloned manually a subproject.

1 files changed, 12 insertions, 0 deletions

diff --git a/mesonbuild/wrap/wrap.py b/mesonbuild/wrap/wrap.py
index 68f83c1..26f3d4a 100644
--- a/mesonbuild/wrap/wrap.py
+++ b/mesonbuild/wrap/wrap.py
@@ -118,10 +118,22 @@ class PackageDefinition:
         self.provided_deps[self.name] = None
         if fname.endswith('.wrap'):
             self.parse_wrap(fname)
+        else:
+            self.guess_type();
         self.directory = self.values.get('directory', self.name)
         if os.path.dirname(self.directory):
             raise WrapException('Directory key must be a name and not a path')
 
+    def guess_type(self) -> None:
+        if os.path.exists(os.path.join(self.filename, '.git')):
+            # This is a git subproject without wrap file. Either the user cloned
+            # it manually, or it's a git submodule. The revision is used in
+            # msubprojects.py to update the git repo. If it's a submodule the repo
+            # is likely detached and revision will be empty.
+            res, stdout = quiet_git(['branch', '--show-current'], self.filename)
+            self.values['revision'] = stdout.strip()
+            self.type = 'git'
+
     def parse_wrap(self, fname: str) -> None:
         try:
             self.config = configparser.ConfigParser(interpolation=None)