add simple bin script to show version…

client/bin/evobackup

@@ -0,0 +1,31 @@
+#!/bin/sh
+
+# Change this to wherever you install the libraries
+LIBDIR="/usr/local/lib/evobackup"
+
+source "${LIBDIR}/main.sh"
+
+# Parse options, based on https://gist.github.com/deshion/10d3cb5f88a21671e17a
+while :; do
+    case ${1:-''} in
+        -V|--version)
+            show_version
+            exit 0
+            ;;
+        --)
+            # End of all options.
+            shift
+            break
+            ;;
+        -?*|[[:alnum:]]*)
+            # ignore unknown options
+            log_error "unknown option '${1}' (ignored)"
+            ;;
+        *)
+            # Default case: If no more options then break out of the loop.
+            break
+            ;;
+    esac
+
+    shift
+done

client/lib/main.sh

@@ -18,6 +18,25 @@ source "${LIBDIR}/dump-mysql.sh"
 source "${LIBDIR}/dump-postgresql.sh"
 source "${LIBDIR}/dump-misc.sh"
 
+show_version() {
+    cat <<END
+evobackup version ${VERSION}
+
+Copyright 2023 Evolix <info@evolix.fr>,
+               Gregory Colpart <reg@evolix.fr>,
+               Romain Dessort <rdessort@evolix.fr>,
+               Benoit Série <bserie@evolix.fr>,
+               Tristan Pilat <tpilat@evolix.fr>,
+               Victor Laborie <vlaborie@evolix.fr>,
+               Jérémy Lecour <jlecour@evolix.fr>
+               and others.
+
+evobackup comes with ABSOLUTELY NO WARRANTY.  This is free software,
+and you are welcome to redistribute it under certain conditions.
+See the GNU General Public License v3.0 for details.
+END
+}
+
 # Called from main, it is wrapping the local_tasks function defined in the real script
 local_tasks_wrapper() {
     log "START LOCAL_TASKS"