diff options
Diffstat (limited to 'subr/pkg_fetch_wget.subr')
| -rw-r--r-- | subr/pkg_fetch_wget.subr | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/subr/pkg_fetch_wget.subr b/subr/pkg_fetch_wget.subr new file mode 100644 index 00000000..5dd0cc55 --- /dev/null +++ b/subr/pkg_fetch_wget.subr @@ -0,0 +1,42 @@ +# +# set -o errexit -o noglob are assumed. +# + +# N.B. URLs ($1) may contain `?' or '&' characters. +pkgp_fetch_wget() { + local _url="${1}" _sha256sum_src="${2}"; + if [ -z "${3}" ]; then + _url_dst="${DLCACHEDIR}/$(basename "${_url}")"; + else + _url_dst="${DLCACHEDIR}/${3}"; + fi; + if [ "${ARG_OFFLINE:-0}" -eq 1 ]\ + || [ -e "${_url_dst}.fetched" ]; then + return 0; + else + wget ${DEFAULT_WGET_ARGS} -c -O "${_url_dst}" "${_url}"; + fi; + if [ -n "${_sha256sum_src}" ]; then + set -- $(openssl dgst -sha256 "${_url_dst}"); shift $((${#}-1)); + if [ "${_sha256sum_dst:=${1}}" != "${_sha256sum_src}" ]; then + if [ "${ARG_IGNORE_SHA256SUMS:-0}" -eq 0 ]; then + log_msg failexit "Error: hash mismatch for URL \`${_url}' (is: ${_sha256sum_dst}, should be: ${_sha256sum_src}.)"; + else + log_msg warn "Warning: hash mismatch for URL \`${_url}' (is: ${_sha256sum_dst}, should be: ${_sha256sum_src}.)"; + fi; + fi; + fi; + touch "${_url_dst}.fetched"; +}; + +pkg_fetch_wget() { + if [ -n "${1}" ]; then + pkgp_fetch_wget "${1}" "${2}"; + else + if [ -n "${PKG_URL}" ]; then + pkgp_fetch_wget "${PKG_URL}" "${PKG_SHA256SUM}" "${PKG_FNAME}"; + fi; + fi; +}; + +# vim:filetype=sh |