Created attachment 4597 [details]
Test recipe to reproduce error

Writing a recipe that inherit useradd and add a task after do_populate_sysroot and before do_package breaks do_package task

This is the errror log:

ERROR: Error executing a python function in exec_python_func() autogenerated:

The stack trace of python calls that resulted in this exception/failure was:
File: 'exec_python_func() autogenerated', lineno: 2, function: <module>
     0001:
 *** 0002:extend_recipe_sysroot(d)
     0003:
File: '/storage/rpi/sources/poky/meta/classes/staging.bbclass', lineno: 553, function: extend_recipe_sysroot
     0549:                    dest = newmanifest[l]
     0550:                    if l.endswith("/"):
     0551:                        staging_copydir(l, targetdir, dest, seendirs)
     0552:                        continue
 *** 0553:                    staging_copyfile(l, targetdir, dest, postinsts, seendirs)
     0554:
     0555:    bb.note("Installed into sysroot: %s" % str(msg_adding))
     0556:    bb.note("Skipping as already exists in sysroot: %s" % str(msg_exists))
     0557:
File: '/storage/rpi/sources/poky/meta/classes/staging.bbclass', lineno: 151, function: staging_copyfile
     0147:        os.symlink(linkto, dest)
     0148:        #bb.warn(c)
     0149:    else:
     0150:        try:
 *** 0151:            os.link(c, dest)
     0152:        except OSError as err:
     0153:            if err.errno == errno.EXDEV:
     0154:                bb.utils.copyfile(c, dest)
     0155:            else:
Exception: FileExistsError: [Errno 17] File exists: '/storage/rpi/build/tmp/sysroots-components/aarch64/test-useradd-with-my-stuff-after-populate-sysroot-before-package/usr/bin/postinst-useradd-test-useradd-with-my-stuff-after-populate-sysroot-before-package' -> '/storage/rpi/build/tmp/work/aarch64-poky-linux/test-useradd-with-my-stuff-after-populate-sysroot-before-package/1.0-r0/recipe-sysroot/usr/bin/postinst-useradd-test-useradd-with-my-stuff-after-populate-sysroot-before-package'