Diff
1diff --git a/duplicity-backup.sh b/duplicity-backup.sh
2index 28aeffce71be11e853c08e80e25cea155ba2a46d..81d19c98db6c682dd8735c696db1d3fa20d88702 100755
3--- a/duplicity-backup.sh
4+++ b/duplicity-backup.sh
5@@ -84,6 +84,7 @@ echo "USAGE:
6 -n, --dry-run perform a trial run with no changes made
7 -d, --debug echo duplicity commands to logfile
8 -V, --version print version information about this script and duplicity
9+ -h, --help print this help and exit
10
11 CURRENT SCRIPT VARIABLES:
12 ========================
13@@ -93,6 +94,7 @@ echo "USAGE:
14 ROOT (root directory of backup) = ${ROOT}
15 LOGFILE (log file path) = ${LOGFILE}
16 " >&6
17+USAGE=1
18 }
19
20 DUPLICITY="$(which duplicity)"
21@@ -114,7 +116,7 @@ version(){
22 # Some expensive argument parsing that allows the script to
23 # be insensitive to the order of appearance of the options
24 # and to handle correctly option parameters that are optional
25-while getopts ":c:t:bfvelsqndV-:" opt; do
26+while getopts ":c:t:bfvelsqndhV-:" opt; do
27 case $opt in
28 # parse long options (a bit tricky because builtin getopts does not
29 # manage long options and I don't want to impose GNU getopt dependancy)
30@@ -169,6 +171,10 @@ while getopts ":c:t:bfvelsqndV-:" opt; do
31 debug)
32 ECHO=$(which echo)
33 ;;
34+ help)
35+ usage
36+ exit 0
37+ ;;
38 version)
39 version
40 ;;
41@@ -189,6 +195,10 @@ while getopts ":c:t:bfvelsqndV-:" opt; do
42 q) QUIET=1;;
43 n) DRY_RUN="--dry-run ";; # dry run
44 d) ECHO=$(which echo);; # debug
45+ h)
46+ usage
47+ exit 0
48+ ;;
49 V) version;;
50 :)
51 echo "Option -${OPTARG} requires an argument." >&2
52@@ -1026,6 +1036,10 @@ esac
53
54 echo -e "--------- END DUPLICITY-BACKUP SCRIPT ---------\n" >&5
55
56+if [ "${USAGE}" ]; then
57+ exit 0
58+fi
59+
60 if [ "${BACKUP_ERROR}" ]; then
61 BACKUP_STATUS="ERROR"
62 else