From: Thomas Roos <throos@...>

When a .gitmodules file exists but is empty then devtool finish fails.
Add an additional check for this.

[YOCTO #14999]

Signed-off-by: Thomas Roos <throos@...>
Signed-off-by: Luca Ceresoli <luca.ceresoli@...>
Signed-off-by: Richard Purdie <richard.purdie@...>
(cherry picked from commit b4f0f7c4934bade9e4d4a1086f9d8b29d8e9ad45)
Signed-off-by: Steve Sakoman <steve@...>
---
meta/classes/externalsrc.bbclass | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/meta/classes/externalsrc.bbclass b/meta/classes/externalsrc.bbclass
index 57135f2e4c..a649bcdff8 100644
--- a/meta/classes/externalsrc.bbclass
+++ b/meta/classes/externalsrc.bbclass
@@ -229,7 +229,7 @@ def srctree_hash_files(d, srcdir=None):
env['GIT_INDEX_FILE'] = tmp_index.name
subprocess.check_output(['git', 'add', '-A', '.'], cwd=s_dir, env=env)
git_sha1 = subprocess.check_output(['git', 'write-tree'], cwd=s_dir, env=env).decode("utf-8")
- if os.path.exists(os.path.join(s_dir, ".gitmodules")):
+ if os.path.exists(os.path.join(s_dir, ".gitmodules")) and os.path.getsize(os.path.join(s_dir, ".gitmodules")) > 0:
submodule_helper = subprocess.check_output(["git", "config", "--file", ".gitmodules", "--get-regexp", "path"], cwd=s_dir, env=env).decode("utf-8")
for line in submodule_helper.splitlines():
module_dir = os.path.join(s_dir, line.rsplit(maxsplit=1)[1])
--
2.25.1