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author | Richard Purdie <richard.purdie@linuxfoundation.org> | 2020-01-05 14:49:03 +0000 |
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committer | Richard Purdie <richard.purdie@linuxfoundation.org> | 2020-01-06 23:53:55 +0000 |
commit | 90cc3d1ed1a12294a2d3ac97c1ba528ab315605d (patch) | |
tree | 0a93d4e862f301a4bf487e0c5810e123fe5cb9f9 /meta/classes | |
parent | c0c158d38583648a801e959d91371f7b43a98da5 (diff) | |
download | openembedded-core-contrib-90cc3d1ed1a12294a2d3ac97c1ba528ab315605d.tar.gz |
sstate: Handle sstate filenames longer than 255 characters
Many filesystems can't cope with filenames longer that 255 characters.
Add code to detect this and truncate non-essential elements of the filename
to stay within the limit.
[YOCTO #13268]
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'meta/classes')
-rw-r--r-- | meta/classes/sstate.bbclass | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/meta/classes/sstate.bbclass b/meta/classes/sstate.bbclass index 71ae090077..241dace6d9 100644 --- a/meta/classes/sstate.bbclass +++ b/meta/classes/sstate.bbclass @@ -7,11 +7,28 @@ def generate_sstatefn(spec, hash, taskname, siginfo, d): if taskname is None: return "" extension = ".tgz" + # 8 chars reserved for siginfo + limit = 254 - 8 if siginfo: + limit = 254 extension = ".tgz.siginfo" if not hash: hash = "INVALID" - return hash[:2] + "/" + hash[2:4] + "/" + spec + hash + "_" + taskname + extension + fn = spec + hash + "_" + taskname + extension + # If the filename is too long, attempt to reduce it + if len(fn) > limit: + components = spec.split(":") + # Fields 0,5,6 are mandatory, 1 is most useful, 2,3,4 are just for information + # 7 is for the separators + avail = (254 - len(hash + "_" + taskname + extension) - len(components[0]) - len(components[1]) - len(components[5]) - len(components[6]) - 7) / 3 + components[2] = components[2][:avail] + components[3] = components[3][:avail] + components[4] = components[4][:avail] + spec = ":".join(components) + fn = spec + hash + "_" + taskname + extension + if len(fn) > limit: + bb.fatal("Unable to reduce sstate name to less than 255 chararacters") + return hash[:2] + "/" + hash[2:4] + "/" + fn SSTATE_PKGARCH = "${PACKAGE_ARCH}" SSTATE_PKGSPEC = "sstate:${PN}:${PACKAGE_ARCH}${TARGET_VENDOR}-${TARGET_OS}:${PV}:${PR}:${SSTATE_PKGARCH}:${SSTATE_VERSION}:" |