diff options
Diffstat (limited to 'bin')
| -rwxr-xr-x | bin/get-package-updates | 63 |
1 files changed, 58 insertions, 5 deletions
diff --git a/bin/get-package-updates b/bin/get-package-updates index ce02978..fc6cf29 100755 --- a/bin/get-package-updates +++ b/bin/get-package-updates @@ -10,6 +10,53 @@ . "${0%/*}/../conf/default.conf" +usage() { + >&2 echo '' + >&2 echo 'get-package-updates: check for packages that need to be built,' + >&2 echo ' and build a list in the proper build order' + >&2 echo '' + >&2 echo 'possible options:' + >&2 echo ' -b|--block: If necessary, wait for lock blocking.' + >&2 echo ' -h|--help: Show this help and exit.' + [ -z "$1" ] && exit 1 || exit $1 +} + +eval set -- "$( + getopt -o bh \ + --long block \ + --long help \ + -n "$(basename "$0")" -- "$@" || \ + echo usage +)" + +block=false + +while true +do + case "$1" in + -b|--block) + block=true + ;; + -h|--help) + usage 0 + ;; + --) + shift + break + ;; + *) + >&2 echo 'Whoops, forgot to implement option "'"$1"'" internally.' + exit -1 + ;; + esac + shift +done + +if [ $# -ne 0 ]; then + >&2 echo 'Too many arguments.' + usage +fi + # delete_package package # mark $package for deletion delete_package() { @@ -47,11 +94,17 @@ done # Create a lock file for build list. -exec 9> "${build_list_lock_file}" -if ! flock -n 9; then - >&2 echo 'come back (shortly) later - I cannot lock build list.' - exit -fi +while true; do + exec 9> "${build_list_lock_file}" + if flock -n 9; then + break + fi + if ! ${block}; then + >&2 echo 'come back (shortly) later - I cannot lock build list.' + exit + fi + sleep 0.1 +done echo 'Check modified packages from the last update, and put them to the build list.' |