Add version flag

Author: jcrd

Makefile

@@ -7,7 +7,11 @@ MANPREFIX ?= $(PREFIX)/share/man
 
 MANPAGE = auto-inhibit.1
 
-all: $(MANPAGE)
+all: auto-inhibit $(MANPAGE)
+
+auto-inhibit: auto-inhibit.in
+	sed -e "s/VERSION=/VERSION=$(VERSION)/" auto-inhibit.in > auto-inhibit
+	chmod +x auto-inhibit
 
 $(MANPAGE): man/$(MANPAGE).pod
 	pod2man -n=auto-inhibit -c=auto-inhibit -r=$(VERSION) $< $(MANPAGE)
@@ -26,9 +30,9 @@ uninstall:
 	rm -f $(DESTDIR)$(MANPREFIX)/man1/auto-inhibit.1
 
 clean:
-	rm -f $(MANPAGE)
+	rm -f auto-inhibit $(MANPAGE)
 
-test:
+test: auto-inhibit
 	$(MAKE) -C test
 
 .PHONY: all install uninstall clean test

auto-inhibit auto-inhibit.in

@@ -4,6 +4,8 @@
 
 set -eu
 
+readonly VERSION=
+
 readonly CONFIG="${AUTO_INHIBIT_CONF:-/etc/auto-inhibit.conf}"
 readonly INHIBITOR="${AUTO_INHIBITOR:-$(command -v auto-inhibit)}"
 
@@ -64,6 +66,7 @@ usage() {
 options:
   -h        Show help message
   -d DIR    Operate on DIR
+  -v        Show version
 
 commands:
   list      List symlinks
@@ -85,10 +88,11 @@ status() {
     exit $?
 }
 
-while getopts ':hd:' opt; do
+while getopts ':hd:v' opt; do
     case "$opt" in
         h) usage; exit ;;
         d) symdir="$OPTARG" ;;
+        v) echo "$VERSION"; exit ;;
         *) usage >&2; exit 2
     esac
 done

man/auto-inhibit.1.pod

@@ -23,6 +23,10 @@ Show help message.
 
 Operate on I<DIRECTORY>.
 
+=item B<-v>
+
+Show version.
+
 =back
 
 =head1 COMMANDS