# Its role is to ensure atomicity when saving downloaded files
# back to BR2_DL_DIR, and not clutter BR2_DL_DIR with partial,
# failed downloads.
-#
-# Call it with -h to see some help.
# To avoid cluttering BR2_DL_DIR, we download to a trashable
# location, namely in $(BUILD_DIR).
local -a uris
# Parse our options; anything after '--' is for the backend
- while getopts ":hc:d:D:o:n:N:H:rf:u:q" OPT; do
+ while getopts ":c:d:D:o:n:N:H:rf:u:q" OPT; do
case "${OPT}" in
- h) help; exit 0;;
c) cset="${OPTARG}";;
d) dl_dir="${OPTARG}";;
D) old_dl_dir="${OPTARG}";;
return ${rc}
}
-help() {
- cat <<_EOF_
-NAME
- ${my_name} - download wrapper for Buildroot
-
-SYNOPSIS
- ${my_name} [OPTION]... -- [BACKEND OPTION]...
-
-DESCRIPTION
- Wrapper script around different download mechanisms. Ensures that
- concurrent downloads do not conflict, that partial downloads are
- properly evicted without leaving temporary files, and that access
- rights are maintained.
-
- -h This help text.
-
- -u URIs
- The URI to get the file from, the URI must respect the format given in
- the example.
- You may give as many '-u URI' as you want, the script will stop at the
- frist successful download.
-
- Example: backend+URI; git+http://example.com or http+http://example.com
-
- -o FILE
- Store the downloaded archive in FILE.
-
- -H FILE
- Use FILE to read hashes from, and check them against the downloaded
- archive.
-
- Exit status:
- 0 if OK
- !0 in case of error
-
-ENVIRONMENT
-
- BUILD_DIR
- The path to Buildroot's build dir
-_EOF_
-}
-
trace() { local msg="${1}"; shift; printf "%s: ${msg}" "${my_name}" "${@}"; }
warn() { trace "${@}" >&2; }
errorN() { local ret="${1}"; shift; warn "${@}"; exit ${ret}; }