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-rwxr-xr-xadmin/make-changelog-diff26
1 files changed, 26 insertions, 0 deletions
diff --git a/admin/make-changelog-diff b/admin/make-changelog-diff
new file mode 100755
index 00000000000..45a77986835
--- /dev/null
+++ b/admin/make-changelog-diff
@@ -0,0 +1,26 @@
+#! /bin/bash
+
+if [ $# -ne 2 ]; then
+ echo "usage: $0 TAG1 TAG2" >&2
+ exit 1
+fi
+
+if [ ! -f INSTALL -o ! -f configure -o ! -d lib-src ]; then
+ echo "this script should be run in the emacs root directory" >&2
+ exit 2
+fi
+
+cvs -q diff -b -r $1 -r $2 $(find -name ChangeLog|sort) |
+ sed -n -e 's/^=\+/======/p' -e 's/^> //p' -e 's/^diff.*//p' \
+ -e 's/^RCS file: .cvsroot.emacs.emacs.\(.*\),v/\1/p' |
+ sed -n -e "/^======$/ {
+ N
+ N
+ h
+ d
+ }
+ H
+ s/.*//
+ x
+ s/^\n//
+ p"