diff options
Diffstat (limited to 'support/download/dl-wrapper')
| -rwxr-xr-x | support/download/dl-wrapper | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/support/download/dl-wrapper b/support/download/dl-wrapper index af2950ac3b..ce44752df0 100755 --- a/support/download/dl-wrapper +++ b/support/download/dl-wrapper @@ -27,11 +27,12 @@ main() { local -a uris # Parse our options; anything after '--' is for the backend - while getopts ":hc:d:o:n:N:H:rf:u:q" OPT; do + while getopts ":hc: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}";; o) output="${OPTARG}";; n) raw_base_name="${OPTARG}";; N) base_name="${OPTARG}";; @@ -52,6 +53,13 @@ main() { error "no output specified, use -o\n" fi + # Legacy handling: check if the file already exists in the global + # download directory. If it does, hard-link it. If it turns out it + # was an incorrect download, we'd still check it below anyway. + if [ ! -e "${output}" -a -e "${old_dl_dir}/${filename}" ]; then + ln "${old_dl_dir}/${filename}" "${output}" + fi + # If the output file already exists and: # - there's no .hash file: do not download it again and exit promptly # - matches all its hashes: do not download it again and exit promptly |
