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bitbake/fetch2: allow resuming interrupted fetch

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A lot of our checks in the fetcher code assume that if the downloaded
file exists, the download finished successfully; this meant that if
BitBake was interrupted in the middle of a fetch then it would not
resume the fetch the next time, but instead attempt to use the
half-fetched file and usually fail as a result.

Since we're already writing a ".done" stamp file when a fetch completes,
just check for its existence and assume the download didn't complete
successfully if it isn't present.

(Bitbake rev: 721e986624529aedef96dd06c9fe6243f2897b10)

Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Paul Eggleton
2012-01-16 15:01:08 +00:00
committed by Richard Purdie
parent 42645b0965
commit 8878ee89ba
1 changed files with 3 additions and 3 deletions
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6
bitbake/lib/bb/fetch2/__init__.py
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@@ -479,7 +479,7 @@ def try_mirrors(d, origud, mirrors, check = False):
return found
continue
if ud.method.need_update(newuri, ud, ld):
if not os.path.exists(ud.donestamp) or ud.method.need_update(newuri, ud, ld):
ud.method.download(newuri, ud, ld)
if hasattr(ud.method,"build_mirror_data"):
ud.method.build_mirror_data(newuri, ud, ld)
@@ -955,7 +955,7 @@ class Fetch(object):
try:
self.d.setVar("BB_NO_NETWORK", network)
if not m.need_update(u, ud, self.d):
if os.path.exists(ud.donestamp) and not m.need_update(u, ud, self.d):
localpath = ud.localpath
elif m.try_premirror(u, ud, self.d):
logger.debug(1, "Trying PREMIRRORS")
@@ -966,7 +966,7 @@ class Fetch(object):
self.d.setVar("BB_NO_NETWORK", "1")
firsterr = None
if not localpath and m.need_update(u, ud, self.d):
if not localpath and ((not os.path.exists(ud.donestamp)) or m.need_update(u, ud, self.d)):
try:
logger.debug(1, "Trying Upstream")
m.download(u, ud, self.d)