Merge from origin/emacs-25

c3489d0 * lisp/w32-fns.el (set-message-beep, w32-get-locale-info) (w3...
a4d882c Correct old cell name unbinding when renaming cell.
6c12c53 Merge branch 'emacs-25' of git.sv.gnu.org:/srv/git/emacs into...
0be6725 Document problem: slow screen refresh on missing font.
853b9b9 * admin/admin.el (add-release-logs): Basic check of existing ...
5fa80cf * build-aux/gitlog-to-emacslog: Handle empty generated Change...
3c79e51 * admin/admin.el (add-release-logs): Generate ChangeLog if ne...
42275df * doc/misc/texinfo.tex: Revert previous change (Bug#23611).
3f4a9d9 * admin/authors.el (authors): First update the ChangeLog.
897fb6f ; 'Changes from the pre-25.1 API' copyedits
825ca25 Rename vc-stay-local back to vc-cvs-stay-local
4efb3e8 * doc/emacs/files.texi (Comparing Files): * doc/emacs/trouble...
b995d1e * doc/misc/eww.texi (Advanced): Fix xref.
2e589c0 Fix cross-references between manuals
f3d2ded * doc/misc/vhdl-mode.texi (Sample Init File): Rename node to ...
906c810 ; * admin/release-process: Move etc/HISTORY from here... ; * ...
bea1b65 * admin/admin.el (add-release-logs): Also update etc/HISTORY.
503e752 ; * CONTRIBUTE: Fix a typo.
fbfd478 Avoid aborting due to errors in arguments of 'set-face-attrib...
bdfbe6d ; * admin/release-process: Copyedits.
44a6aed ; * test/automated/data-tests.el: Standardize license notice.
c33ed39 ; * test/automated/viper-tests.el: Standardize license notice.
df4a14b Add automated test for viper-tests.el
c0139e3 Fix viper undo breakage from undo-boundary changes
920d76c Fix reference to obsolete fn ps-eval-switch
18a9bc1 Do not trash symlinks to init file
2671179 Don't print the "decomposition" line for control chars in wha...
869092c Bring back xterm pasting with middle mouse
5ab0830 Provide workaround for xftfont rendering problem
c9f7ec7 * lisp/desktop.el: Disable restore frameset if in non-graphic...
30989a0 Mention GTK+ problems in etc/PROBLEMS
421e3c4 * lisp/emacs-lisp/package.el (package-refresh-contents):
dadfc30 Revert "epg: Add a way to detect gpg1 executable for tests"
e41a5cb Avoid errors with Czech and Slovak input methods
d4ae6d7 epg: Add a way to detect gpg1 executable for tests
ebc3a94 * lisp/emacs-lisp/package.el: Fix free variable warnings.
6e71295 * lisp/emacs-lisp/package.el (package--with-response-buffer):
c45d9f6 Improve documentation of 'server-name'
3b5e38c Modernize ASLR advice in etc/PROBLEMS
1fe1e0a * lisp/char-fold.el: Rename from character-fold.el.

1 files changed, 14 insertions, 8 deletions

diff --git a/build-aux/gitlog-to-emacslog b/build-aux/gitlog-to-emacslog
index 6b9cfc145b..085d2c2512 100755
--- a/build-aux/gitlog-to-emacslog
+++ b/build-aux/gitlog-to-emacslog
@@ -81,7 +81,7 @@ test -e .git || {
   --ignore-line='^; ' --format='%B' \
   "$gen_origin..$new_origin" >"ChangeLog.tmp" || exit
 
-if test -s "ChangeLog.tmp"; then
+if test -e "ChangeLog.tmp"; then
 
   # Fix up bug references.
   # This would be better as eg a --transform option to gitlog-to-changelog,
@@ -99,7 +99,7 @@ if test -s "ChangeLog.tmp"; then
   `
   start_year=
   end_year=
-  for year in $years; do
+  for year in ${years:-`date +%Y`}; do
     : ${start_year:=$year}
     end_year=$year
   done
@@ -110,13 +110,19 @@ if test -s "ChangeLog.tmp"; then
     year_range=$start_year-$end_year
   fi
 
-  # Update gen_origin and append a proper copyright notice.
-  sed -n '
-    1i\
+  # Update gen_origin
+  if test "$gen_origin" != "$new_origin"; then
+      sed -n '
+        1i\
+
+        /^This file records repository revisions/p
+        s/^commit [0-9a-f]* (exclusive)/commit '"$gen_origin"' (exclusive)/p
+        s/^commit [0-9a-f]* (inclusive)/commit '"$new_origin"' (inclusive)/p
+      ' <ChangeLog.$nmax >>"ChangeLog.tmp" || exit
+  fi
 
-    /^This file records repository revisions/p
-    s/^commit [0-9a-f]* (exclusive)/commit '"$gen_origin"' (exclusive)/p
-    s/^commit [0-9a-f]* (inclusive)/commit '"$new_origin"' (inclusive)/p
+  # Append a proper copyright notice.
+  sed -n '
     /^See ChangeLog.[0-9]* for earlier/,${
        s/ChangeLog\.[0-9]*/ChangeLog.'$nmax'/
        s/\(Copyright[ (C)]*\)[0-9]*-[0-9]*/\1'"$year_range"'/