kumquat-buildroot/support/download/git
Yann E. MORIN 7e40a1103a support/download: convert git to use the wrapper
This drastically simplifies the git helper, as it no longer has to deal
with atomically saving the downloaded archive.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Tested-by: Thomas De Schampheleire <thomas.de.schampheleire@gmail.com>
(Tested by running 'make fmc-fsl-sdk-source')
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2014-08-04 20:12:24 +02:00

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#!/bin/bash
# We want to catch any unexpected failure, and exit immediately
set -e
# Download helper for git, to be called from the download wrapper script
# Expected arguments:
# $1: output file
# $2: git repo
# $3: git cset
# $4: package's basename (eg. foobar-1.2.3)
# And this environment:
# GIT : the git command to call
output="${1}"
repo="${2}"
cset="${3}"
basename="${4}"
# Try to see if we can do a shallow clone, since it is faster
# than a full clone.
if [ -n "$(${GIT} ls-remote "${repo}" "${cset}" 2>&1)" ]; then
printf "Doing shallow clone\n"
if ${GIT} clone --depth 1 -b "${cset}" --bare "${repo}" "${basename}"; then
git_done=1
else
printf "Shallow clone failed, falling back to doing a full clone\n"
fi
fi
if [ ${git_done} -eq 0 ]; then
printf "Doing full clone\n"
${GIT} clone --bare "${repo}" "${basename}"
fi
GIT_DIR="${basename}" \
${GIT} archive --prefix="${basename}/" -o "${output}" --format=tar "${cset}"
gzip "${output}"