Include fish completions in make install

Author: Jakeler

Makefile

@@ -4,6 +4,7 @@ HOOKSDIR ?= $(PREFIX)/share/aurpublish
 ZCOMPDIR ?= $(PREFIX)/share/zsh/site-functions
 MANS = doc/aurpublish.1
 BASHCOMPDIR ?= $(shell pkg-config bash-completion --variable=completionsdir || echo '/usr/share/bash-completion/completions')
+FISHCOMPDIR ?= $(PREFIX)/share/fish/vendor_completions.d
 
 edit = sed -e 's|@HOOKSDIR@|$(HOOKSDIR)|g'
 
@@ -26,8 +27,10 @@ install: all
 	install -m755 *.hook '$(DESTDIR)$(HOOKSDIR)/'
 	install -dm755 '$(DESTDIR)$(ZCOMPDIR)'
 	install -dm755 '$(DESTDIR)$(BASHCOMPDIR)'
+	install -dm755 '$(DESTDIR)$(FISHCOMPDIR)'
 	install -m644 completion/$(NAME).zsh '$(DESTDIR)$(ZCOMPDIR)/_$(NAME)'
 	install -m644 completion/$(NAME).bash '$(DESTDIR)$(BASHCOMPDIR)/$(NAME)'
+	install -m644 completion/$(NAME).fish '$(DESTDIR)$(FISHCOMPDIR)/$(NAME).fish'
 	for manfile in $(MANS); do \
 		install -Dm644 $$manfile -t $(DESTDIR)$(PREFIX)/share/man/man$${manfile##*.}; \
 	done