kumquat-buildroot/support/download/wget
Thomas De Schampheleire b70ce56651 support/download: fix git/svn corrupted cache
Commit 54d3d94b6e ("support/download: print
command used for download") broke the git and svn download helpers, because
these helpers have invocations of the _git/_svn commands where the exact
output matters.

For example for git, this would result in:

    date: invalid date ‘GIT_DIR=.../dl/libyuv/git/.git git log -1 --pretty=format:%ci \n2019-04-12 17:48:45 +0000’
    Detected a corrupted git cache.
    Removing it and starting afresh.

Fix by splitting the _git function in two: _git and _plain_git.
The former echoes the command, and then calls the latter.
Most invocations use _git as before, but those cases where the output should
not be disturbed, directly call _plain_git.

For symmetry, all download helpers are aligned, even though only the git and
svn helpers were broken.

Fixes: #13631
Fixes:
    http://autobuild.buildroot.org/results/c2f/c2fcd4aa6660e3c2f9c6f85646ca7dfe0db56040/

Signed-off-by: Thomas De Schampheleire <thomas.de_schampheleire@nokia.com>
[yann.morin.1998@free.fr: add bug report and autobuild failure]
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
2021-03-19 21:22:59 +01:00

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#!/usr/bin/env bash
# We want to catch any unexpected failure, and exit immediately
set -e
# Download helper for wget, to be called from the download wrapper script
#
# Options:
# -q Be quiet.
# -o FILE Save into file FILE.
# -f FILENAME The filename of the tarball to get at URL
# -u URL Download file at URL.
# -e ENCODE Tell wget to urlencode the filename passed to it
#
# Environment:
# WGET : the wget command to call
quiet=
while getopts "${BR_BACKEND_DL_GETOPTS}" OPT; do
case "${OPT}" in
q) quiet=-q;;
o) output="${OPTARG}";;
f) filename="${OPTARG}";;
u) url="${OPTARG}";;
e) encode="-e";;
:) printf "option '%s' expects a mandatory argument\n" "${OPTARG}"; exit 1;;
\?) printf "unknown option '%s'\n" "${OPTARG}" >&2; exit 1;;
esac
done
shift $((OPTIND-1)) # Get rid of our options
# Caller needs to single-quote its arguments to prevent them from
# being expanded a second time (in case there are spaces in them)
_wget() {
if [ -z "${quiet}" ]; then
printf '%s ' ${WGET} "${@}"; printf '\n'
fi
_plain_wget "$@"
}
# Note: please keep command below aligned with what is printed above
_plain_wget() {
eval ${WGET} "${@}"
}
# Replace every '?' with '%3F' in the filename; only for the PRIMARY and BACKUP
# mirror
[ -n "${encode}" ] && filename=${filename//\?/%3F}
_wget ${quiet} "${@}" -O "'${output}'" "'${url}/${filename}'"