tg-datastore.inc

   1 die()
   2 {
   3   printf "E: $@\n" >&2
   4   exit 1
   5 }
   6
   7 tg_ds_resolve_commit()
   8 {
   9   git rev-parse --verify $1 2>/dev/null
  10 }
  11
  12 . ${0%/*}/tg-datastore-pcommits.inc
  13
  14 tg_ds_get_value()
  15 {
  16   local name; name="${1:-}"
  17   local commit; commit="${2:-HEAD}"
  18
  19   [ -z "$1" ] && die 'tg_ds_get_value: missing first argument (name)'
  20   tg_ds_resolve_commit $commit >/dev/null || die "tg_ds_get_value: invalid commit: $commit"
  21
  22   local data; data=$(tg_ds_list_data "$commit") || return 1
  23   printf "$data\n" | sed -rne "s,^${name}: *,,p"
  24 }
  25
  26 tg_ds_find_value()
  27 {
  28   local name; name="${1:-}"
  29   local commit; commit="${2:-HEAD}"
  30
  31   [ -z "$1" ] && die 'tg_ds_find_value: missing first argument (name)'
  32   ref=$(tg_ds_resolve_commit $commit) || die "tg_ds_find_value: invalid commit: $commit"
  33
  34   while :; do
  35     if [ "$name" = commitref ]; then
  36       tg_ds_list_data "$commit" >/dev/null && printf "$ref\n" && return 0
  37     else
  38       tg_ds_get_value "$name" $commit && return 0
  39     fi
  40     commit="${commit}^"
  41     ref=$(tg_ds_resolve_commit "${commit}") || break
  42   done
  43
  44   return 1
  45 }