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support/download: properly catch missing hashes

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When checking hashes reports no hash for a file, and this is treated as
an error (now: because BR2_ENFORCE_CHECK_HASH is set; later: because
that will be the new and only behaviour), exit promptly in error.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: Arnout Vandecappelle <arnout@mind.be>
Reviewed-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Reviewed-by: Samuel Martin <s.martin49@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Yann E. MORIN 2015-04-01 00:15:05 +02:00 committed by Thomas Petazzoni
parent 0012b36c14
commit 3c19d511d7
1 changed files with 10 additions and 1 deletions
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11
support/download/dl-wrapper
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@ -45,10 +45,19 @@ main() {
error "no output specified, use -o\n"
fi
# If the output file already exists, do not download it again
# If the output file already exists and:
# - there's no .hash file: do not download it again and exit promptly
# - matches all its hashes: do not download it again and exit promptly
# - fails at least one of its hashes: force a re-download
# - there's no hash (but a .hash file): consider it a hard error
if [ -e "${output}" ]; then
if support/download/check-hash ${quiet} "${hfile}" "${output}" "${output##*/}"; then
exit 0
elif [ ${?} -ne 2 ]; then
# Do not remove the file, otherwise it might get re-downloaded
# from a later location (i.e. primary -> upstream -> mirror).
# Do not print a message, check-hash already did.
exit 1
fi
rm -f "${output}"
warn "Re-downloading '%s'...\n" "${output##*/}"