e17719264b
git has supported -C only since 1.8.5, and some distros have not yet
caught up after more than 4 years...
Fall back to entering the directory.
Fixes:
http://autobuild.buildroot.net/results/35f9f7a4adc6c2cad741079e4afdf1408c94703b
Reported-by: André Hentschel <nerv@dawncrow.de>
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Maxime Hadjinlian <maxime.hadjinlian@gmail.com>
Cc: André Hentschel <nerv@dawncrow.de>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
125 lines
4.2 KiB
Bash
Executable File
125 lines
4.2 KiB
Bash
Executable File
#!/usr/bin/env bash
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# We want to catch any unexpected failure, and exit immediately
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set -e
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# Download helper for git, to be called from the download wrapper script
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#
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# Options:
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# -q Be quiet.
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# -r Clone and archive sub-modules.
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# -o FILE Generate archive in FILE.
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# -u URI Clone from repository at URI.
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# -c CSET Use changeset CSET.
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# -n NAME Use basename NAME.
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#
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# Environment:
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# GIT : the git command to call
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verbose=
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recurse=0
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while getopts "${BR_BACKEND_DL_GETOPTS}" OPT; do
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case "${OPT}" in
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q) verbose=-q; exec >/dev/null;;
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r) recurse=1;;
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o) output="${OPTARG}";;
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u) uri="${OPTARG}";;
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c) cset="${OPTARG}";;
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d) dl_dir="${OPTARG}";;
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n) basename="${OPTARG}";;
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:) printf "option '%s' expects a mandatory argument\n" "${OPTARG}"; exit 1;;
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\?) printf "unknown option '%s'\n" "${OPTARG}" >&2; exit 1;;
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esac
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done
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shift $((OPTIND-1)) # Get rid of our options
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# Caller needs to single-quote its arguments to prevent them from
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# being expanded a second time (in case there are spaces in them)
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_git() {
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eval ${GIT} "${@}"
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}
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# We want to check if a cache of the git clone of this repo already exists.
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git_cache="${dl_dir}/git"
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# If the cache directory doesn't exists, init a new repo, which will be
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# fetch'ed later.
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if [ ! -d "${git_cache}" ]; then
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_git init "'${git_cache}'"
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pushd "${git_cache}" >/dev/null
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_git remote add origin "'${uri}'"
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popd >/dev/null
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fi
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pushd "${git_cache}" >/dev/null
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_git remote set-url origin "'${uri}'"
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# Try to fetch with limited depth, since it is faster than a full clone - but
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# that only works if the version is a ref (tag or branch). Before trying to do
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# a shallow clone we check if ${cset} is in the list provided by git ls-remote.
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# If not we fallback to a full fetch.
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#
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# Messages for the type of clone used are provided to ease debugging in
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# case of problems
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git_done=0
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if [ -n "$(_git ls-remote origin "'${cset}'" 2>&1)" ]; then
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printf "Doing a shallow fetch\n"
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if _git fetch "${@}" --depth 1 origin "'${cset}'"; then
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git_done=1
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else
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printf "Shallow fetch failed, falling back to fetching all refs\n"
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fi
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fi
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if [ ${git_done} -eq 0 ]; then
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printf "Fetching all references\n"
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_git fetch origin -t
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fi
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# Try to get the special refs exposed by some forges (pull-requests for
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# github, changes for gerrit...). There is no easy way to know whether
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# the cset the user passed us is such a special ref or a tag or a sha1
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# or whatever else. We'll eventually fail at checking out that cset,
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# below, if there is an issue anyway. Since most of the cset we're gonna
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# have to clone are not such special refs, consign the output to oblivion
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# so as not to alarm unsuspecting users, but still trace it as a warning.
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if ! _git fetch origin "'${cset}:${cset}'" >/dev/null 2>&1; then
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printf "Could not fetch special ref '%s'; assuming it is not special.\n" "${cset}"
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fi
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# Checkout the required changeset, so that we can update the required
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# submodules.
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_git checkout -q "'${cset}'"
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# Get date of commit to generate a reproducible archive.
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# %cD is RFC2822, so it's fully qualified, with TZ and all.
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date="$( _git log -1 --pretty=format:%cD )"
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# There might be submodules, so fetch them.
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if [ ${recurse} -eq 1 ]; then
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_git submodule update --init --recursive
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fi
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# Generate the archive, sort with the C locale so that it is reproducible.
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# We do not want the .git dir; we keep other .git files, in case they are the
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# only files in their directory.
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# The .git dir would generate non reproducible tarballs as it depends on
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# the state of the remote server. It also would generate large tarballs
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# (gigabytes for some linux trees) when a full clone took place.
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find . -not -type d \
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-and -not -path "./.git/*" >"${output}.list"
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LC_ALL=C sort <"${output}.list" >"${output}.list.sorted"
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# Create GNU-format tarballs, since that's the format of the tarballs on
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# sources.buildroot.org and used in the *.hash files
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tar cf - --transform="s/^\.\//${basename}\//" \
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--numeric-owner --owner=0 --group=0 --mtime="${date}" --format=gnu \
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-T "${output}.list.sorted" >"${output}.tar"
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gzip -6 -n <"${output}.tar" >"${output}"
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rm -f "${output}.list"
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rm -f "${output}.list.sorted"
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popd >/dev/null
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