diff --git a/poky/meta-selftest/recipes-test/devtool/devtool-test-ignored.bb b/poky/meta-selftest/recipes-test/devtool/devtool-test-ignored.bb
new file mode 100644
index 0000000..6a3d58c
--- /dev/null
+++ b/poky/meta-selftest/recipes-test/devtool/devtool-test-ignored.bb
@@ -0,0 +1,9 @@
+LICENSE = "CLOSED"
+INHIBIT_DEFAULT_DEPS = "1"
+
+SRC_URI = "file://${BPN}.tar.gz \
+           file://${BPN}.patch"
+
+S = "${WORKDIR}/${BPN}"
+
+EXCLUDE_FROM_WORLD = "1"
diff --git a/poky/meta-selftest/recipes-test/devtool/devtool-test-ignored/devtool-test-ignored.patch b/poky/meta-selftest/recipes-test/devtool/devtool-test-ignored/devtool-test-ignored.patch
new file mode 100644
index 0000000..96ea0eb
--- /dev/null
+++ b/poky/meta-selftest/recipes-test/devtool/devtool-test-ignored/devtool-test-ignored.patch
@@ -0,0 +1,7 @@
+diff --git a/ignored b/ignored
+index a579759..e3d7b43 100644
+--- a/ignored
++++ b/ignored
+@@ -1 +1 @@
+-I'm so ignored
++# I'm so ignored
diff --git a/poky/meta-selftest/recipes-test/devtool/devtool-test-ignored/devtool-test-ignored.patch.expected b/poky/meta-selftest/recipes-test/devtool/devtool-test-ignored/devtool-test-ignored.patch.expected
new file mode 100644
index 0000000..68ec6d9
--- /dev/null
+++ b/poky/meta-selftest/recipes-test/devtool/devtool-test-ignored/devtool-test-ignored.patch.expected
@@ -0,0 +1,16 @@
+From 3a286343cc5cadd83f41d524ee3606ae51df9ee7 Mon Sep 17 00:00:00 2001
+From: Martin Jansa <Martin.Jansa@gmail.com>
+Date: Thu, 28 May 2020 01:32:31 +0200
+Subject: [PATCH] meta-selftest: add test of .gitignore in tarball
+
+---
+ ignored | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/ignored b/ignored
+index a579759..e3d7b43 100644
+--- a/ignored
++++ b/ignored
+@@ -1 +1 @@
+-I'm so ignored
++# I'm so ignored
diff --git a/poky/meta-selftest/recipes-test/devtool/devtool-test-ignored/devtool-test-ignored.tar.gz b/poky/meta-selftest/recipes-test/devtool/devtool-test-ignored/devtool-test-ignored.tar.gz
new file mode 100644
index 0000000..b2e9935
--- /dev/null
+++ b/poky/meta-selftest/recipes-test/devtool/devtool-test-ignored/devtool-test-ignored.tar.gz
Binary files differ
diff --git a/poky/meta-selftest/recipes-test/devtool/devtool-test-long-filename.bb b/poky/meta-selftest/recipes-test/devtool/devtool-test-long-filename.bb
new file mode 100644
index 0000000..3ec22ca
--- /dev/null
+++ b/poky/meta-selftest/recipes-test/devtool/devtool-test-long-filename.bb
@@ -0,0 +1,9 @@
+LICENSE = "CLOSED"
+INHIBIT_DEFAULT_DEPS = "1"
+
+SRC_URI = "file://${BPN}.tar.gz \
+           file://0001-I-ll-patch-you-only-if-devtool-lets-me-to-do-it-corr.patch"
+
+S = "${WORKDIR}/${BPN}"
+
+EXCLUDE_FROM_WORLD = "1"
diff --git a/poky/meta-selftest/recipes-test/devtool/devtool-test-long-filename/0001-I-ll-patch-you-only-if-devtool-lets-me-to-do-it-corr.patch b/poky/meta-selftest/recipes-test/devtool/devtool-test-long-filename/0001-I-ll-patch-you-only-if-devtool-lets-me-to-do-it-corr.patch
new file mode 100644
index 0000000..6aaf409
--- /dev/null
+++ b/poky/meta-selftest/recipes-test/devtool/devtool-test-long-filename/0001-I-ll-patch-you-only-if-devtool-lets-me-to-do-it-corr.patch
@@ -0,0 +1,7 @@
+diff --git a/patch-me b/patch-me
+index a20b29a..5e35d1b 100644
+--- a/patch-me
++++ b/patch-me
+@@ -1 +1 @@
+-please
++NO
diff --git a/poky/meta-selftest/recipes-test/devtool/devtool-test-long-filename/0001-I-ll-patch-you-only-if-devtool-lets-me-to-do-it-corr.patch.expected b/poky/meta-selftest/recipes-test/devtool/devtool-test-long-filename/0001-I-ll-patch-you-only-if-devtool-lets-me-to-do-it-corr.patch.expected
new file mode 100644
index 0000000..1bf25a6
--- /dev/null
+++ b/poky/meta-selftest/recipes-test/devtool/devtool-test-long-filename/0001-I-ll-patch-you-only-if-devtool-lets-me-to-do-it-corr.patch.expected
@@ -0,0 +1,16 @@
+From 45ba3d107ea60777a6b6e134fd00fe5009749177 Mon Sep 17 00:00:00 2001
+From: Martin Jansa <Martin.Jansa@gmail.com>
+Date: Thu, 28 May 2020 02:03:39 +0200
+Subject: [PATCH] meta-selftest: add test for .patch file with long filename
+
+---
+ patch-me | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/patch-me b/patch-me
+index a20b29a..5e35d1b 100644
+--- a/patch-me
++++ b/patch-me
+@@ -1 +1 @@
+-please
++NO
diff --git a/poky/meta-selftest/recipes-test/devtool/devtool-test-long-filename/devtool-test-long-filename.tar.gz b/poky/meta-selftest/recipes-test/devtool/devtool-test-long-filename/devtool-test-long-filename.tar.gz
new file mode 100644
index 0000000..ab6242a
--- /dev/null
+++ b/poky/meta-selftest/recipes-test/devtool/devtool-test-long-filename/devtool-test-long-filename.tar.gz
Binary files differ