diff options
Diffstat (limited to 'misc')
| -rwxr-xr-x | misc/emerge-delta-webrsync | 84 |
1 files changed, 43 insertions, 41 deletions
diff --git a/misc/emerge-delta-webrsync b/misc/emerge-delta-webrsync index 874c52719..e237c7f13 100755 --- a/misc/emerge-delta-webrsync +++ b/misc/emerge-delta-webrsync @@ -153,29 +153,56 @@ cleanse_state_dir() { [[ ${STATE_DIR:-/} != '/' ]] && rm -f "${STATE_DIR}"/* &> /dev/null } +get_utc_date_in_seconds() { + date -u +"%s" +} + +get_date_part() { + local utc_time_in_secs="$1" + local part="$2" + + if [[ ${USERLAND} == BSD ]] ; then + date -r ${utc_time_in_secs} -u +"${part}" + else + date -d @${utc_time_in_secs} -u +"${part}" + fi +} + +increment_date() { + local s="$1" inc="$2" + if [[ ${USERLAND} == BSD ]] ; then + # Specify zeros for the least significant digits, or else those + # digits are inherited from the current system clock time. + date -v${inc}d -juf "%Y%m%d%H%M.%S" "${s}0000.00" +"%Y%m%d" + else + date -d "${s:0:4}-${s:4:2}-${s:6:2} ${inc} day" -u +"%Y%m%d" + fi +} + full_version_attempt() { local FILE file_exists echo "Fetching most recent snapshot" + + local start_time=$(get_utc_date_in_seconds) + local start_hour=$(get_date_part ${start_time} "%H") + local snapshot_date=$(get_date_part ${start_time} "%Y%m%d") + + # Daily snapshots are created at 00:45 and are not + # available until after 01:00. Don't waste time trying + # to fetch a snapshot before it's been created. + if [ ${start_hour} -lt 1 ] ; then + snapshot_date=$(increment_date ${snapshot_date} -1) + fi + declare -i attempts=-1 while (( $attempts < 40 )) ; do unset file_exists attempts=$(( attempts + 1 )) + snapshot_date=$(increment_date ${snapshot_date} -1) - #this too, sucks. it works in the interim though. - if [ "$USERLAND" == "BSD" ] || [ "$USERLAND" == "Darwin" ] ; then - daysbefore=$(expr $(date +"%s") - 86400 \* $attempts) - day=$(date -r $daysbefore +"%d") - month=$(date -r $daysbefore +"%m") - year=$(date -r $daysbefore +"%Y") - else - day=$(date -d "-$attempts day" +"%d") - month=$(date -d "-$attempts day" +"%m") - year=$(date -d "-$attempts day" +"%Y") - fi - - FILE="portage-${year}${month}${day}.tar.bz2" + FILE="portage-${snapshot_date}.tar.bz2" - echo "Attempting to fetch file dated: ${year}${month}${day}" + echo "Attempting to fetch file dated: ${snapshot_date}" got_md5=0 @@ -220,7 +247,7 @@ full_version_attempt() { cleanse_state_dir echo echo " *** Completed websync, please now perform a normal rsync if possible." - echo " Update is current as of YYYYMMDD: ${year}${month}${day}" + echo " Update is current as of YYYYMMDD: ${snapshot_date}" echo exit 0 fi @@ -418,36 +445,11 @@ base_date="${base_version%.tar.bz2}" base_date="${base_date#portage-}" # we now have yyyymmdd -unset patch_dates -if [ "$USERLAND" == "BSD" ] || [ "$USERLAND" == "Darwin" ] ; then - daysbefore=$(expr $(date +"%s") - 86400 \* $attempts) - day=$(date -r $daysbefore +"%d") - month=$(date -r $daysbefore +"%m") - year=$(date -r $daysbefore +"%Y") -else - day=$(date -d "-$attempts day" +"%d") - month=$(date -d "-$attempts day" +"%m") - year=$(date -d "-$attempts day" +"%Y") -fi - -#todays_date="${year}${month}${day}" - -next_date() { - local year day month - year="${1:0:4}" - month="${1:4:2}" - day="${1:6:2}" -# if [[ "${USERLAND}" == "BSD" ]] || [[ "${USERLAND}" == "Darwin" ]]; then -# else - date -d "$year/$month/$day +1 day" +"%Y%m%d" -# fi -} - patches='' echo "fetching patches" fetched='asdf' while [[ -n ${fetched} ]]; do - next_day=$(next_date ${base_date}) + next_day=$(increment_date ${base_date} +1) # if we can't get a *single* patch or md5, even one missing, do full. p="snapshot-${base_date}-${next_day}.patch.bz2" if [[ ! -e ${p}.md5sum ]] && ! fetch_from_mirrors "/snapshots/deltas/${p}.md5sum" "${p}.md5sum"; then |