Add Makefile target to generate tgz archive of docset

Also fix and update .gitignore

2 files changed, 12 insertions, 3 deletions

diff --git a/.gitignore b/.gitignore
index 13c780c..9941ba2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
-/GNUMake.docset
+/GNU_Make.docset
+/GNU_Make.tgz
 /tmp
diff --git a/Makefile b/Makefile
index c6240a0..d5985d4 100644
--- a/Makefile
+++ b/Makefile
@@ -8,18 +8,26 @@ DOCUMENTS_DIR = $(RESOURCES_DIR)/Documents
 INFO_PLIST_FILE = $(CONTENTS_DIR)/Info.plist
 INDEX_FILE      = $(RESOURCES_DIR)/docSet.dsidx
 ICON_FILE       = $(DOCSET_DIR)/icon.png
+ARCHIVE_FILE    = $(DOCSET_NAME).tgz
 
 MANUAL_URL  = http://www.gnu.org/software/make/manual/make.html_node.tar.gz
 MANUAL_FILE = tmp/make.html_node.tar.gz
 
-all: $(INFO_PLIST_FILE) $(INDEX_FILE) $(ICON_FILE)
+DOCSET = $(INFO_PLIST_FILE) $(INDEX_FILE) $(ICON_FILE)
+
+all: $(DOCSET)
+
+archive: $(ARCHIVE_FILE)
 
 clean:
-	rm -rf $(DOCSET_DIR)
+	rm -rf $(DOCSET_DIR) $(ARCHIVE_FILE)
 
 tmp:
 	mkdir $@
 
+$(ARCHIVE_FILE): $(DOCSET)
+	tar --exclude='.DS_Store' -czf $@ $(DOCSET_DIR)
+
 $(MANUAL_FILE): tmp
 	curl -o $@ $(MANUAL_URL)