Fix for https://github.com/fish-shell/fish-shell/issues/79

Release tarballs with the user docs already build, removing the doxygen dependency

Makefile.in

@@ -862,6 +862,10 @@ distclean: clean
 # are created by the configure script.
 #
 
+# Don't delete the docs unless we have Doxygen installed
+# We provide pre-built docs in the tarball, and if they get
+# deleted we won't be able to regenerate them
+
 clean:
 	rm -f *.o doc.h doc.tmp doc_src/*.doxygen doc_src/*.cpp doc_src/*.o doc_src/commands.hdr
 	rm -f $(GENERATED_INTERN_SCRIPT_FILES)
@@ -872,7 +876,9 @@ clean:
 	rm -f fish-@PACKAGE_VERSION@.tar
 	rm -f fish-@PACKAGE_VERSION@.tar.gz
 	rm -f fish-@PACKAGE_VERSION@.tar.bz2
-	rm -rf doc user_doc share/man;
+	if command -v doxygen; then \
+		rm -rf doc user_doc share/man; \
+	fi
 	rm -rf fish-@PACKAGE_VERSION@
 	rm -f $(TRANSLATIONS)
 	test ! -d "$(XSEL)" || make -C $(XSEL) clean

build_tools/make_tarball.sh

@@ -1,11 +1,46 @@
 #!/bin/sh
 
-path=~/fish_built/fishfish-2.0.tar.gz
-rm -f "$path"
-if git archive --format=tar --prefix=fishfish/ master | gzip - > "$path"
-then
-	echo "Tarball written to $path"
-	openssl sha1 "$path"
-else
-	echo "Tarball could not be written"
-fi
+# Script to generate a tarball
+# We use git to output a tree. But we also want to build the user documentation
+# and put that in the tarball, so that nobody needs to have doxygen installed
+# to build it.
+
+# Exit on error
+set -e
+
+# We wil generate a tarball with a prefix "fish"
+# git can do that automatically for us via git-archive
+# but to get the documentation in, we need to make a symlink called "fish"
+# and tar from that, so that the documentation gets the right prefix
+
+# Get the current directory, which we'll use for symlinks
+wd="$PWD"
+
+# The name of the prefix, which is the directory that you get when you untar
+prefix="fish"
+
+# The path where we will output the tar file
+path=~/fish_built/fish-2.0.tar
+
+# Clean up stuff we've written before
+rm -f "$path" "$path".gz
+
+# git starts the archive
+git archive --format=tar --prefix="$prefix"/ master > "$path"
+
+# tarball out the documentation
+make user_doc
+make share/man
+cd /tmp
+rm -f "$prefix"
+ln -s "$wd" "$prefix"
+tar --append --file="$path" "$prefix"/user_doc/html
+tar --append --file="$path" "$prefix"/share/man
+rm -f "$prefix"
+
+# gzip it
+gzip "$path"
+
+# Output what we did, and the sha1 hash
+echo "Tarball written to $path".gz
+openssl sha1 "$path".gz