oeqa/selftest: add test for git working correctly inside pseudo

The fix for CVE-2022-24765 in git[1] breaks any use of git inside
pseudo. Add a simple test case to oe-selftest to verify that at least
basic uses of git work fine under pseudo.

[1] https://github.com/git/git/commit/8959555cee7ec045958f9b6dd62e541affb7e7d9

(From OE-Core rev: 3fafd22233be8961801fa541969383b5b8444dee)

Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit 46822268040a23dbb81f71fe35aee8c2663a31f6)
Signed-off-by: Steve Sakoman <steve@sakoman.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 15 insertions, 0 deletions

diff --git a/meta/lib/oeqa/selftest/cases/git.py b/meta/lib/oeqa/selftest/cases/git.py
new file mode 100644
index 0000000000..f12874dc7d
--- /dev/null
+++ b/meta/lib/oeqa/selftest/cases/git.py
@@ -0,0 +1,15 @@
+from oeqa.selftest.case import OESelftestTestCase
+from oeqa.utils.commands import bitbake
+
+class GitCheck(OESelftestTestCase):
+    def test_git_intercept(self):
+        """
+        Git binaries with CVE-2022-24765 fixed will refuse to operate on a
+        repository which is owned by a different user. This breaks our
+        do_install task as that runs inside pseudo, so the git repository is
+        owned by the build user but git is running as (fake)root.
+
+        We have an intercept which disables pseudo, so verify that it works.
+        """
+        bitbake("git-submodule-test -c test_git_as_user")
+        bitbake("git-submodule-test -c test_git_as_root")