wrap: Fix git exception not catched by interpreter

This is a regression introduced in Meson 0.56.0, it was fatal
error when optional dependencies fails to download their fallback
subproject.

Author: xclaesse

mesonbuild/wrap/wrap.py

@@ -31,7 +31,8 @@
 from .._pathlib import Path
 from . import WrapMode
 from .. import coredata
-from ..mesonlib import verbose_git, quiet_git, GIT, ProgressBar, MesonException
+from ..mesonlib import quiet_git, GIT, ProgressBar, MesonException
+from  .. import mesonlib
 
 if T.TYPE_CHECKING:
     import http.client
@@ -186,6 +187,15 @@ def get_directory(subdir_root: str, packagename: str) -> str:
         return wrap.directory
     return packagename
 
+def verbose_git(*args, **kwargs):
+    '''
+    Wrapper to convert GitException to WrapException caught in interpreter.
+    '''
+    try:
+        return mesonlib.verbose_git(*args, **kwargs)
+    except mesonlib.GitException as e:
+        raise WrapException(str(e))
+
 class Resolver:
     def __init__(self, source_dir: str, subdir: str, wrap_mode: WrapMode = WrapMode.default) -> None:
         self.source_dir = source_dir