[PATCH v4 4/7] oeqa/selftest: Add test for shebang overflow

[Paulo Neves <ptsneves@gmail.com>]

Make sure we do not stage any executable with a bigger shebang
than 128. Fixes [1]

[1] https://bugzilla.yoctoproject.org/show_bug.cgi?id=11053

Signed-off-by: Paulo Neves <ptsneves@gmail.com>
---
 .../sysroot-test/sysroot-shebang-test_1.0.bb         | 12 ++++++++++++
 meta/lib/oeqa/selftest/cases/sysroot.py              | 10 ++++++++++
 2 files changed, 22 insertions(+)
 create mode 100644 meta-selftest/recipes-test/sysroot-test/sysroot-shebang-test_1.0.bb

diff --git a/meta-selftest/recipes-test/sysroot-test/sysroot-shebang-test_1.0.bb b/meta-selftest/recipes-test/sysroot-test/sysroot-shebang-test_1.0.bb
new file mode 100644
index 0000000000..6c834be897
--- /dev/null
+++ b/meta-selftest/recipes-test/sysroot-test/sysroot-shebang-test_1.0.bb
@@ -0,0 +1,12 @@
+SUMMARY = "Check that shebang does not exceed 128 characters"
+LICENSE = "CLOSED"
+INHIBIT_DEFAULT_DEPS = "1"
+
+EXCLUDE_FROM_WORLD = "1"
+do_install() {
+    install -d ${D}${bindir}
+    echo '#!BiM3cnVd1Amtv6PG+FynrQiVMbZnX5ELgF21q3EkuB+44JEGWtq8TvBJ7EGidfVs3eR3wVOUbLnjYDlKUWcm7YC/ute7f+KDHbwxziRUSUBZAUqgjiQdfQ0HnxajI0ozbM863E9JV9k13yZKYfh9/zR77Y6Dl4Dd3zOWS75LSpkAXV' > ${D}${bindir}/max-shebang
+    chmod 755 ${D}${bindir}/max-shebang
+}
+
+BBCLASSEXTEND = "native"
diff --git a/meta/lib/oeqa/selftest/cases/sysroot.py b/meta/lib/oeqa/selftest/cases/sysroot.py
index 315d1a61c2..9457f1e3ac 100644
--- a/meta/lib/oeqa/selftest/cases/sysroot.py
+++ b/meta/lib/oeqa/selftest/cases/sysroot.py
@@ -35,3 +35,13 @@ TESTSTRING:pn-sysroot-test-arch1 = "%s"
 TESTSTRING:pn-sysroot-test-arch2 = "%s"
 """ % (uuid1, uuid2))
         bitbake("sysroot-test")
+
+    def test_sysroot_max_shebang(self):
+        """
+        Summary:   Check max shebang triggers. To confirm [YOCTO #11053] is closed.
+        Expected:  Fail when a shebang bigger than the max shebang-size is reached.
+        Author:    Paulo Neves <ptsneves@gmail.com>
+        """
+        expected = "maximum shebang size exceeded, the maximum size is 128. [shebang-size]"
+        res = bitbake("sysroot-shebang-test-native -c populate_sysroot", ignore_status=True)
+        self.assertTrue(expected in res.output, msg=res.output)
-- 
2.25.1