gentoo-sync: add command line options

diff --git a/.bin/gentoo-sync b/.bin/gentoo-sync
index f987673282022646f2aac299400b9d2e02b1c747..11bd717b9370a9c0943ad65951738a95d8bf06bd 100755 (executable)
--- a/.bin/gentoo-sync
+++ b/.bin/gentoo-sync
@@ -1,20 +1,70 @@
 #!/bin/bash
 
-[ "${FLOCKER}" != "$0" ] && exec env FLOCKER="$0" flock -en "$0" "$0" "$@" || :
-
-logdir="/var/log"
-sync_log="${logdir}/rsync.log"
-up_log="${logdir}/emerge-updates.log"
-
 GS_SYNC=true
 GS_RSYNC=false
 GS_EUPDATEDB=true
 GS_FETCH=false
 GS_UPWORLD=true
 GS_LAYMAN=true
+GS_DEBUG=false
 conf="/etc/gentoo-sync.conf"
 [[ -e ${conf} ]] && . "${conf}"
 
+usage() {
+       cat <<-EOF
+       Usage: ${0##*/} [options]
+
+       Options:
+         -h, --help
+         -a, --all,      -na, --noall
+         -s, --sync,     -ns, --nosync      ${GS_SYNC}
+         -r, --rsync,    -nr, --norsync     ${GS_RSYNC}
+         -d, --database, -nd, --nodatabase  ${GS_EUPDATEDB}
+         -f, --fetch,    -nf, --nofetch     ${GS_FETCH}
+         -w, --world,    -nw, --noworld     ${GS_UPWORLD}
+         -l, --layman,   -nl, --nolayman    ${GS_LAYMAN}
+         -x, --debug,    -nx, --nodebug     ${GS_DEBUG}
+       EOF
+       exit 0
+}
+
+s() {
+       local x val=$1
+       shift
+       for x ; do
+               eval GS_${x}=${val};
+       done
+}
+for x ; do
+       case ${x} in
+       -h|--help)        usage;;
+       -a|--all)         s true  SYNC RSYNC EUPDATEDB FETCH UPWORLD LAYMAN DEBUG;;
+       -na|--noall)      s false SYNC RSYNC EUPDATEDB FETCH UPWORLD LAYMAN DEBUG;;
+       -s|--sync)        s true  SYNC;;
+       -ns|--nosync)     s false SYNC;;
+       -r|--rsync)       s true  RSYNC;;
+       -nr|--norsync)    s false RSYNC;;
+       -d|--database)    s true  EUPDATEDB;;
+       -nd|--nodatabase) s false EUPDATEDB;;
+       -f|--fetch)       s true  FETCH;;
+       -nf|--nofetch)    s false FETCH;;
+       -w|--world)       s true  UPWORLD;;
+       -nw|--noworld)    s false UPWORLD;;
+       -l|--layman)      s true  LAYMAN;;
+       -nl|--nolayman)   s false LAYMAN;;
+       -x|--debug)       s true  DEBUG;;
+       -nx|--nodebug)    s false DEBUG;;
+       *)                usage;;
+       esac
+done
+
+[ "${FLOCKER}" != "$0" ] && exec env FLOCKER="$0" flock -en "$0" "$0" "$@" || :
+${GS_DEBUG} && set -x
+
+logdir="/var/log"
+sync_log="${logdir}/rsync.log"
+up_log="${logdir}/emerge-updates.log"
+
 export NOCOLOR=true
 
 (