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1 | + | #!/bin/bash |
2 | ||
3 | # globals------------------------------------------------------------------- | |
4 | script_name="${0##*/}" | |
5 | script_dir=$(readlink -f "${0%/*}") | |
6 | script_version=1 | |
7 | ||
8 | # this can be modded to be supplied from command line | |
9 | named_dir='/var/named' | |
10 | serialfile="ufis-common.txt" | |
11 | ||
12 | # main---------------------------------------------------------------------- | |
13 | [[ "$1" ]] && { | |
14 | (( ${#1} == 10 )) && newserial=$1 | |
15 | (( ${#1} == 8 )) && date=$1 | |
16 | (( ${#1} == 2 )) && revision=$1 | |
17 | ! [[ "$1" =~ ^[0-9]+$ ]] || [[ -z "$newserial$date$revision" ]] && echo "$script_name: ERROR: can't do anything with $1" && exit 1 | |
18 | } | |
19 | ||
20 | curserial="$( sed -ne 's/^.*\([0-9]\{10\}\).*/\1/g; /^[0-9]*$/p' "$named_dir/$serialfile" )" | |
21 | ||
22 | # if we haven't been passed a serial lets build one | |
23 | [[ -z "$newserial" ]] && { | |
24 | # if we don't have a date get current | |
25 | [[ -z "$date" ]] && date="$(date +%Y%m%d)" | |
26 | # if we don't have revision number get next from the current, if current=99 or date<>today it'll be "01" | |
27 | [[ -z "$contador" ]] && { | |
28 | revision="01" | |
29 | (( ${curserial:0:8} == $date )) && { | |
30 | revision=$( printf "%02d" $(( 10#${curserial:8:2}+1 )) ) | |
31 | (( 10#$revision == 100 )) && echo "$script_name: warning: revision counter looped to 01" && revision="01" | |
32 | } | |
33 | } | |
34 | newserial=$date$revision | |
35 | } | |
36 | ||
37 | # replace the serial | |
38 | # some sanity checks here won't hurt | |
39 | # this is a minimal one | |
40 | (( ${#newserial} == 10 )) && { | |
41 | echo "$script_name: new serial number $newserial" | |
42 | sed -i "s/\(^.*\)$curserial\(.*$\)/\1$newserial\2/" "$named_dir/$serialfile" | |
43 | } |