bash autocompletions

Makefile

@@ -17,6 +17,7 @@ SYSUSERSDIR := $(PREFIX)/lib/sysusers.d
 TMPFILESDIR := $(PREFIX)/lib/tmpfiles.d
 DOCDIR      := $(PREFIX)/share/doc/$(NAME)
 DATADIR     := $(PREFIX)/share/$(NAME)
+COMPLETIONDIR := $(PREFIX)/share/bash-completion/completions
 
 # Fill in version and install paths
 SUBST = sed -e 's|@VERSION@|$(VERSION)|g' -e 's|@BINDIR@|$(BINDIR)|g' -e 's|@DOCDIR@|$(DOCDIR)|g'
@@ -31,9 +32,10 @@ all: check
 
 check:
 	bash -n bin/terractl
+	bash -n completions/bash/terractl
 	for f in $(MAINT_SCRIPTS); do sh -n $$f; done
 	@if command -v shellcheck >/dev/null; then \
-		shellcheck bin/terractl $(MAINT_SCRIPTS); \
+		shellcheck bin/terractl completions/bash/terractl $(MAINT_SCRIPTS); \
 	else \
 		echo "shellcheck not installed; skipped (apt install shellcheck)"; \
 	fi
@@ -41,7 +43,7 @@ check:
 install:
 	install -d $(DESTDIR)$(BINDIR) $(DESTDIR)$(UNITDIR) $(DESTDIR)$(SYSUSERSDIR) \
 		$(DESTDIR)$(TMPFILESDIR) $(DESTDIR)$(DOCDIR) $(DESTDIR)$(DATADIR) \
-		$(DESTDIR)$(SYSCONFDIR)/default
+		$(DESTDIR)$(COMPLETIONDIR) $(DESTDIR)$(SYSCONFDIR)/default
 	$(SUBST) bin/terractl > $(DESTDIR)$(BINDIR)/terractl
 	chmod 755 $(DESTDIR)$(BINDIR)/terractl
 	$(SUBST) systemd/terraria@.service > $(DESTDIR)$(UNITDIR)/terraria@.service
@@ -50,6 +52,7 @@ install:
 	install -m 644 config/tmpfiles.d/terractl.conf $(DESTDIR)$(TMPFILESDIR)/
 	install -m 644 docs/guide.md $(DESTDIR)$(DOCDIR)/README.md
 	install -m 644 tools/windows/export-tmod-mods.ps1 $(DESTDIR)$(DATADIR)/
+	install -m 644 completions/bash/terractl $(DESTDIR)$(COMPLETIONDIR)/terractl
 	@# Never overwrite local settings
 	@if [ -e $(DESTDIR)$(SYSCONFDIR)/default/terractl ]; then \
 		echo "keeping existing $(DESTDIR)$(SYSCONFDIR)/default/terractl"; \
@@ -67,7 +70,8 @@ install:
 uninstall:
 	rm -f $(DESTDIR)$(BINDIR)/terractl \
 		$(DESTDIR)$(UNITDIR)/terraria@.service $(DESTDIR)$(UNITDIR)/terraria@.socket \
-		$(DESTDIR)$(SYSUSERSDIR)/terractl.conf $(DESTDIR)$(TMPFILESDIR)/terractl.conf
+		$(DESTDIR)$(SYSUSERSDIR)/terractl.conf $(DESTDIR)$(TMPFILESDIR)/terractl.conf \
+		$(DESTDIR)$(COMPLETIONDIR)/terractl
 	rm -rf $(DESTDIR)$(DOCDIR) $(DESTDIR)$(DATADIR)
 	@if [ -z "$(DESTDIR)" ] && [ -d /run/systemd/system ]; then systemctl daemon-reload; fi
 	@echo "Removed. Kept: $(SYSCONFDIR)/default/terractl, /var/lib/terraria and the terraria user."