X-Git-Url: https://git.madduck.net/code/vcsh.git/blobdiff_plain/5101db33a662db9417a0816a440ced20200f8a91..eadb8df6aa71a76e5be36492edcadb118bd862ac:/Makefile

diff --git a/Makefile b/Makefile
index 4ae8d88..b9154e7 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-PREFIX=/usr
+PREFIX?=/usr
 DOCDIR_PREFIX=$(PREFIX)/share/doc
 DOCDIR=$(DOCDIR_PREFIX)/$(self)
 ZSHDIR=$(PREFIX)/share/zsh/vendor-completions
@@ -40,11 +40,12 @@ uninstall:
 purge: uninstall
 	rmdir -p --ignore-fail-on-non-empty $(DESTDIR)$(PREFIX)/bin/
 	rmdir -p --ignore-fail-on-non-empty $(DESTDIR)$(PREFIX)/share/man/man1/
-	rmdir -p --ignore-fail-on-non-empty $(DESTDIR)$(DOCDIR_PREFIX)
+	rmdir -p --ignore-fail-on-non-empty $(DESTDIR)$(DOCDIR)
 	rmdir -p --ignore-fail-on-non-empty $(DESTDIR)$(ZSHDIR)
 
 test:
-	@if which git > /dev/null ; then :; else echo "'git' not found, exiting..."; exit 1; fi
+	@if which git   > /dev/null; then :    ; else echo "'git' not found, exiting..."         ; exit 1; fi
+	@if which prove > /dev/null; then prove; else echo "'prove' not found; not running tests";         fi
 
 moo:
-	@if [ -x /usr/games/cowsay ]; then /usr/games/cowsay "I hope you're happy now..."; fi
+	@which cowsay >/dev/null 2>&1 && cowsay "I hope you're happy now..."