Compress publicsuffix file to save space

* url-domsuf.el (url-domsuf-parse-file): Read compressed
publicsuffix file if available.
* Makefile.in (install-arch-indep): Compress publicsuffix.txt file.

4 files changed, 18 insertions, 4 deletions

diff --git a/ChangeLog b/ChangeLog
index 174fe6a3d41..92c39959689 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2014-11-14  David Reitter  <david.reitter@gmail.com>
+
+        * Makefile.in (install-arch-indep): Compress publicsuffix.txt file.
+
 2014-11-13  Lars Magne Ingebrigtsen  <larsi@gnus.org>
 
         * .gitignore: Copy over sufficient ignorable files from the old
diff --git a/Makefile.in b/Makefile.in
index 8f5cacbfeb5..25d2a08d907 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -259,7 +259,7 @@ MKDIR_P = @MKDIR_P@
 # Create a link to a file in the same directory as the target.
 LN_S_FILEONLY = @LN_S_FILEONLY@
 
-# We use gzip to compress installed .el files.
+# We use gzip to compress installed .el and some .txt files.
 GZIP_PROG = @GZIP_PROG@
 
 # ============================= Targets ==============================
@@ -600,11 +600,12 @@ install-arch-indep: lisp install-info install-man ${INSTALL_ARCH_INDEP_EXTRA}
         subdir="$(DESTDIR)${datadir}/emacs/site-lisp" ; \
           ${write_subdir} || true
         [ -z "${GZIP_PROG}" ] || { \
-          echo "Compressing *.el ..." && \
+          echo "Compressing *.el etc. ..." && \
           cd "$(DESTDIR)${lispdir}" && \
           for f in `find . -name "*.elc" -print | sed 's/.elc$$/.el/'`; do \
             ${GZIP_PROG} -9n "$$f"; \
           done; \
+          ${GZIP_PROG} -9n "../etc/publicsuffix.txt"; \
         }
         -chmod -R a+r "$(DESTDIR)${datadir}/emacs/${version}" ${COPYDESTS}
 
diff --git a/lisp/url/ChangeLog b/lisp/url/ChangeLog
index 13628773137..1be4ca70a80 100644
--- a/lisp/url/ChangeLog
+++ b/lisp/url/ChangeLog
@@ -1,3 +1,8 @@
+2014-11-14  David Reitter  <david.reitter@gmail.com>
+
+        * url-domsuf.el (url-domsuf-parse-file): Read compressed
+        publicsuffix file if available.
+
 2014-11-05  Teodor Zlatanov  <tzz@lifelogs.com>
 
         * url-http.el (url-user-agent): New variable, can be function or
diff --git a/lisp/url/url-domsuf.el b/lisp/url/url-domsuf.el
index 365cf561ae2..b7f92597e2f 100644
--- a/lisp/url/url-domsuf.el
+++ b/lisp/url/url-domsuf.el
@@ -32,8 +32,12 @@
 
 (defun url-domsuf-parse-file ()
   (with-temp-buffer
-    (insert-file-contents
-     (expand-file-name "publicsuffix.txt" data-directory))
+    (with-auto-compression-mode
+      (insert-file-contents
+       (let* ((suffixfile (expand-file-name "publicsuffix.txt" data-directory))
+              (compressed-file (concat suffixfile ".gz")))
+         (or (and (file-readable-p compressed-file) compressed-file)
+             suffixfile))))
     (let ((domains nil)
           domain exception)
       (while (not (eobp))