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core/download: look for archives in the global download dir first

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For existing setups, the global donload directory may have a lot of the
required archives, so look into there before attempting a download.

We simply hard-link them if found there and not in the new per-package
loaction. Then we resume the existing procedure (which means the new
hardlink will get removed if it happened to not match the hash).

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Maxime Hadjinlian <maxime.hadjinlian@gmail.com>
Cc: Peter Korsgaard <peter@korsgaard.com>
Cc: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Yann E. MORIN 2018-04-02 17:13:58 +02:00 committed by Peter Korsgaard
parent 5d2a018ddf
commit e80d1d0af4
2 changed files with 10 additions and 1 deletions
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1
package/pkg-download.mk
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@ -97,6 +97,7 @@ define DOWNLOAD
$(EXTRA_ENV) $(FLOCK) $(DL_WRAPPER) \
-c '$($(PKG)_DL_VERSION)' \
-d '$($(PKG)_DL_DIR)' \
-D '$(DL_DIR)' \
-f '$(notdir $(1))' \
-H '$(PKGDIR)/$($(PKG)_RAWNAME).hash' \
-n '$($(PKG)_BASENAME_RAW)' \

10
support/download/dl-wrapper
View File

@ -27,11 +27,12 @@ main() {
local -a uris
# Parse our options; anything after '--' is for the backend
while getopts ":hc:d:o:n:N:H:rf:u:q" OPT; do
while getopts ":hc:d:D:o:n:N:H:rf:u:q" OPT; do
case "${OPT}" in
h) help; exit 0;;
c) cset="${OPTARG}";;
d) dl_dir="${OPTARG}";;
D) old_dl_dir="${OPTARG}";;
o) output="${OPTARG}";;
n) raw_base_name="${OPTARG}";;
N) base_name="${OPTARG}";;
@ -52,6 +53,13 @@ main() {
error "no output specified, use -o\n"
fi
# Legacy handling: check if the file already exists in the global
# download directory. If it does, hard-link it. If it turns out it
# was an incorrect download, we'd still check it below anyway.
if [ ! -e "${output}" -a -e "${old_dl_dir}/${filename}" ]; then
ln "${old_dl_dir}/${filename}" "${output}"
fi
# 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