pkg-download: check for already downloaded file in the download wrapper

Instead of repeating the same test again and again in all our download
rules, just delegate the check for an already downloaded file to the
download wrapper.

This clears up the path for doing the hash checks on a cached file
before the download.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: Peter Korsgaard <jacmet@uclibc.org>
Cc: Gustavo Zacarias <gustavo@zacarias.com.ar>
Reviewed-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Yann E. MORIN
2014-12-11 23:52:06 +01:00
committed by Thomas Petazzoni
parent 78b92e5055
commit 2685937e06
2 changed files with 5 additions and 8 deletions

View File

@@ -43,6 +43,11 @@ main() {
error "no output specified, use -o\n"
fi
# If the output file already exists, do not download it again
if [ -e "${output}" ]; then
exit 0
fi
# tmpd is a temporary directory in which backends may store intermediate
# by-products of the download.
# tmpf is the file in which the backends should put the downloaded content.