sync.sh: add some code in functions

bash/sync.sh

@@ -142,13 +142,8 @@
 ###############################################################################
 #########################  options default values
 ###############################################################################
-<<<<<<< Updated upstream
-# These ones can be set by command-line.
-# They can also be overwritten in configuration file (prefered option).
-=======
 # These ones can be set by command-line and in configuration file.
 # priority is given to configuration file.
->>>>>>> Stashed changes
 YEARLY=n                        # (-ay) yearly backup (y/n)
 MONTHLY=n                       # (-am) monthly backup (y/n)
 WEEKLY=n                        # (-aw) weekly backup (y/n)
@@ -378,8 +373,9 @@ exit_handler() {
 ###############################################################################
 #########################  Options/Environment setup
 ###############################################################################
-# command-line options parsing.
-OPTIND=1
+# command-line parsing / configuration file read.
+parse_opts() {
+    OPTIND=0
     shopt -s extglob                # to parse "-a" option
     while getopts a:DfnruvzZ todo; do
         case "$todo" in
@@ -413,6 +409,7 @@ done
     shift $((OPTIND - 1))
     (( $# != 1 )) && usage
     CONFIG="$1"
+
     LOCKDIR=".sync-$SERVER-${CONFIG##*/}.lock"
 
     if [[ ! -r "$CONFIG" ]]; then
@@ -421,16 +418,23 @@ if [[ ! -r "$CONFIG" ]]; then
     fi
     # shellcheck source=/dev/null
     source "$CONFIG"
+}
+
+parse_opts "$@"
 
 # we set backups to be done if none has been set yet (i.e. none is "y").
 # Note: we use the form +%-d to avoid zero padding :
 # for bash, starting with 0 => octal => 08 is invalid
+adjust_targets() {
     if ! [[ "$DAILY$WEEKLY$MONTHLY$YEARLY" =~ .*y.* ]]; then
         (( $(date +%u) == 7 )) && WEEKLY=y
         (( $(date +%-d) == 1 )) && MONTHLY=y
         (( $(date +%-d) == 1 && $(date +%-m) == 1 )) && YEARLY=y
         DAILY=y
     fi
+}
+
+adjust_targets
 
 # After these basic initializations, errors will be managed by the
 # following handler. It is better to do this before the redirections below.
@@ -485,11 +489,7 @@ log -n "Compression: " && [[ $ZIPMAIL = gzip ]] && log "gzip" || log "none"
 declare -a cmdavail=()
 log -n "Checking for commands : "
 for cmd in rsync base64 sendmail gzip; do
-<<<<<<< Updated upstream
-    log -n "%s..." "$cmd..."
-=======
     log -n "%s..." "$cmd"
->>>>>>> Stashed changes
     if type -P "$cmd" > /dev/null; then
         log -n "ok "
     else