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bitbake.conf/pseudo: Switch from exclusion list to inclusion list

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Currently, pseudo tracks all files referenced within its presence unless
they're listed in an exclusion list. The exclusion list has grown to be
fairly unwieldy.

This patch swaps PSEUDO_IGNORE_PATHS for PSEUDO_INCLUDE_PATHS which in
theory should be easier and more explicit to maintain.

This change does drop many directories from pseudo coverage including
/home and /tmp. There may be adapatations needed for recipes/classes
using pseudo in specific ways.

(From OE-Core rev: 2502da81709f25de499277b28d33c915638c45f6)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Richard Purdie
2025-05-10 16:54:21 +01:00
parent c40f78b267
commit 6a2ad60ecc
13 changed files with 20 additions and 27 deletions
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8
scripts/lib/wic/partition.py
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@@ -222,19 +222,19 @@ class Partition():
if (pseudo_dir):
# Canonicalize the ignore paths. This corresponds to
# calling oe.path.canonicalize(), which is used in bitbake.conf.
ignore_paths = [rootfs] + (get_bitbake_var("PSEUDO_IGNORE_PATHS") or "").split(",")
include_paths = [rootfs_dir] + (get_bitbake_var("PSEUDO_INCLUDE_PATHS") or "").split(",")
canonical_paths = []
for path in ignore_paths:
for path in include_paths:
if "$" not in path:
trailing_slash = path.endswith("/") and "/" or ""
canonical_paths.append(os.path.realpath(path) + trailing_slash)
ignore_paths = ",".join(canonical_paths)
include_paths = ",".join(canonical_paths)
pseudo = "export PSEUDO_PREFIX=%s;" % p_prefix
pseudo += "export PSEUDO_LOCALSTATEDIR=%s;" % pseudo_dir
pseudo += "export PSEUDO_PASSWD=%s;" % rootfs_dir
pseudo += "export PSEUDO_NOSYMLINKEXP=1;"
pseudo += "export PSEUDO_IGNORE_PATHS=%s;" % ignore_paths
pseudo += "export PSEUDO_INCLUDE_PATHS=%s;" % include_paths
pseudo += "%s " % get_bitbake_var("FAKEROOTCMD")
else:
pseudo = None