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-rwxr-xr-xbin/copy-to-build-support56
1 files changed, 53 insertions, 3 deletions
diff --git a/bin/copy-to-build-support b/bin/copy-to-build-support
index b3decd4..404a2b9 100755
--- a/bin/copy-to-build-support
+++ b/bin/copy-to-build-support
@@ -5,12 +5,62 @@
# shellcheck source=conf/default.conf
. "${0%/*}/../conf/default.conf"
+# shellcheck disable=SC2016
+usage() {
+ >&2 echo ''
+ >&2 echo 'copy-to-build-support [options] package-list:'
+ >&2 echo ' copy the packages listed in package-list into [build-support]'
+ >&2 echo ''
+ >&2 echo 'possible options:'
+ >&2 echo ' -h|--help:'
+ >&2 echo ' Show this help and exit.'
+ >&2 echo ' -w|--wait:'
+ >&2 echo ' Wait for lock if necessary.'
+ [ -z "$1" ] && exit 1 || exit "$1"
+}
+
+eval set -- "$(
+ getopt -o hw \
+ --long help \
+ --long wait \
+ -n "$(basename "$0")" -- "$@" || \
+ echo usage
+ )"
+
+wait_for_lock='-n'
+
+while true
+do
+ case "$1" in
+ -h|--help)
+ usage 0
+ ;;
+ -w|--wait)
+ wait_for_lock=''
+ ;;
+ --)
+ shift
+ break
+ ;;
+ *)
+ >&2 echo 'Whoops, forgot to implement option "'"$1"'" internally.'
+ exit 42
+ ;;
+ esac
+ shift
+done
+
if [ "$#" -ne 1 ]; then
- >&2 echo 'usage:'
- >&2 echo ' copy-to-build-support package-list'
- exit 2
+ >&2 echo 'No package-list was given.'
+ usage
fi
+exec 9> "${sanity_check_lock_file}"
+flock -s ${wait_for_lock} 9
+
+exec 8> "${package_database_lock_file}"
+flock ${wait_for_lock} 8
+
tmp_dir=$(mktemp -d "${work_dir}/tmp.copy-to-build-support.0.XXXXXXXXXX")
trap 'rm -rf --one-file-system "${tmp_dir}"' EXIT