diff options
Diffstat (limited to 'support/download/dl-wrapper')
| -rwxr-xr-x | support/download/dl-wrapper | 147 |
1 files changed, 92 insertions, 55 deletions
diff --git a/support/download/dl-wrapper b/support/download/dl-wrapper index abc51f637a..cd903f92d9 100755 --- a/support/download/dl-wrapper +++ b/support/download/dl-wrapper @@ -19,31 +19,34 @@ # We want to catch any unexpected failure, and exit immediately. set -e -export BR_BACKEND_DL_GETOPTS=":hc:o:n:N:H:ru:q" +export BR_BACKEND_DL_GETOPTS=":hc:o:n:N:H:ru:qf:e" main() { local OPT OPTARG local backend output hfile recurse quiet rc + local -a uris # Parse our options; anything after '--' is for the backend - while getopts :hb:o:H:rq OPT; do + while getopts ":hc:o:n:N:H:rf:u:q" OPT; do case "${OPT}" in h) help; exit 0;; - b) backend="${OPTARG}";; + c) cset="${OPTARG}";; o) output="${OPTARG}";; + n) raw_base_name="${OPTARG}";; + N) base_name="${OPTARG}";; H) hfile="${OPTARG}";; r) recurse="-r";; + f) filename="${OPTARG}";; + u) uris+=( "${OPTARG}" );; q) quiet="-q";; :) error "option '%s' expects a mandatory argument\n" "${OPTARG}";; \?) error "unknown option '%s'\n" "${OPTARG}";; esac done + # Forget our options, and keep only those for the backend shift $((OPTIND-1)) - if [ -z "${backend}" ]; then - error "no backend specified, use -b\n" - fi if [ -z "${output}" ]; then error "no output specified, use -o\n" fi @@ -66,48 +69,85 @@ main() { warn "Re-downloading '%s'...\n" "${output##*/}" fi - # tmpd is a temporary directory in which backends may store intermediate - # by-products of the download. - # tmpf is the file in which the backends should put the downloaded content. - # tmpd is located in $(BUILD_DIR), so as not to clutter the (precious) - # $(BR2_DL_DIR) - # We let the backends create tmpf, so they are able to set whatever - # permission bits they want (although we're only really interested in - # the executable bit.) - tmpd="$(mktemp -d "${BUILD_DIR}/.${output##*/}.XXXXXX")" - tmpf="${tmpd}/output" - - # Helpers expect to run in a directory that is *really* trashable, so - # they are free to create whatever files and/or sub-dirs they might need. - # Doing the 'cd' here rather than in all backends is easier. - cd "${tmpd}" - - # If the backend fails, we can just remove the temporary directory to - # remove all the cruft it may have left behind. Then we just exit in - # error too. - if ! "${OLDPWD}/support/download/${backend}" \ - ${quiet} ${recurse} \ - -o "${tmpf}" "${@}" - then - rm -rf "${tmpd}" - exit 1 - fi - - # cd back to free the temp-dir, so we can remove it later - cd "${OLDPWD}" - - # Check if the downloaded file is sane, and matches the stored hashes - # for that file - if support/download/check-hash ${quiet} "${hfile}" "${tmpf}" "${output##*/}"; then - rc=0 - else - if [ ${?} -ne 3 ]; then + # Look through all the uris that we were given to download the package + # source + download_and_check=0 + rc=1 + for uri in "${uris[@]}"; do + backend=${uri%+*} + case "${backend}" in + git|svn|cvs|bzr|file|scp|hg) ;; + *) backend="wget" ;; + esac + uri=${uri#*+} + + urlencode=${backend#*|} + # urlencode must be "urlencode" + [ "${urlencode}" != "urlencode" ] && urlencode="" + + # tmpd is a temporary directory in which backends may store + # intermediate by-products of the download. + # tmpf is the file in which the backends should put the downloaded + # content. + # tmpd is located in $(BUILD_DIR), so as not to clutter the (precious) + # $(BR2_DL_DIR) + # We let the backends create tmpf, so they are able to set whatever + # permission bits they want (although we're only really interested in + # the executable bit.) + tmpd="$(mktemp -d "${BUILD_DIR}/.${output##*/}.XXXXXX")" + tmpf="${tmpd}/output" + + # Helpers expect to run in a directory that is *really* trashable, so + # they are free to create whatever files and/or sub-dirs they might need. + # Doing the 'cd' here rather than in all backends is easier. + cd "${tmpd}" + + # If the backend fails, we can just remove the content of the temporary + # directory to remove all the cruft it may have left behind, and try + # the next URI until it succeeds. Once out of URI to try, we need to + # cleanup and exit. + if ! "${OLDPWD}/support/download/${backend}" \ + $([ -n "${urlencode}" ] && printf %s '-e') \ + -c "${cset}" \ + -n "${raw_base_name}" \ + -N "${raw_name}" \ + -f "${filename}" \ + -u "${uri}" \ + -o "${tmpf}" \ + ${quiet} ${recurse} "${@}" + then + # cd back to keep path coherence + cd "${OLDPWD}" rm -rf "${tmpd}" - exit 1 + continue + fi + + # cd back to free the temp-dir, so we can remove it later + cd "${OLDPWD}" + + # Check if the downloaded file is sane, and matches the stored hashes + # for that file + if support/download/check-hash ${quiet} "${hfile}" "${tmpf}" "${output##*/}"; then + rc=0 + else + if [ ${?} -ne 3 ]; then + rm -rf "${tmpd}" + continue + fi + + # the hash file exists and there was no hash to check the file + # against + rc=1 fi + download_and_check=1 + break + done - # the hash file exists and there was no hash to check the file against - rc=1 + # We tried every URI possible, none seems to work or to check against the + # available hash. *ABORT MISSION* + if [ "${download_and_check}" -eq 0 ]; then + rm -rf "${tmpd}" + exit 1 fi # tmp_output is in the same directory as the final output, so we can @@ -173,16 +213,13 @@ DESCRIPTION -h This help text. - -b BACKEND - Wrap the specified BACKEND. Known backends are: - bzr Bazaar - cp Local files - cvs Concurrent Versions System - git Git - hg Mercurial - scp Secure copy - svn Subversion - wget HTTP download + -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. |
