diff --git a/maint/bumplibs.sh b/maint/bumplibs.sh
index 74bd3b5a29..cb218df069 100755
--- a/maint/bumplibs.sh
+++ b/maint/bumplibs.sh
@@ -1,222 +1,251 @@
 #!/bin/bash
 #
 # Copyright 2012-2019 the Pacemaker project contributors
 #
 # The version control history for this file may have further details.
 #
 # This source code is licensed under the GNU General Public License version 2
 # or later (GPLv2+) WITHOUT ANY WARRANTY.
 #
 
 declare -A HEADERS
 HEADERS[cib]="include/crm/cib.h include/crm/cib/*.h"
 HEADERS[crmcommon]="include/crm/crm.h
                     include/crm/attrd.h
                     include/crm/msg_xml.h
                     include/crm/common/*.h"
 HEADERS[crmcluster]="include/crm/cluster.h include/crm/cluster/*.h"
 HEADERS[crmservice]="include/crm/services.h"
 HEADERS[lrmd]="include/crm/lrmd*.h"
 HEADERS[pacemaker]="include/pacemaker*.h include/pcmki/*.h"
 HEADERS[pe_rules]="include/crm/pengine/rules*.h"
 HEADERS[pe_status]="include/crm/pengine/*.h"
 HEADERS[stonithd]="include/crm/stonith-ng.h include/crm/fencing/*.h"
 
 prompt_to_continue() {
     local RESPONSE
 
     read -p "Continue? " RESPONSE
     case "$RESPONSE" in
         y|Y|yes|ano|ja|si|oui) ;;
         *) exit 0 ;;
     esac
 }
 
 find_last_release() {
     if [ ! -z "$1" ]; then
         echo "$1"
     else
         git tag -l | grep Pacemaker | grep -v rc | sort -Vr | head -n 1
     fi
 }
 
 find_libs() {
     find . -name "*.am" -exec grep "lib.*_la_LDFLAGS.*version-info" \{\} \; \
         | sed -e 's/lib\(.*\)_la_LDFLAGS.*/\1/'
 }
 
 find_makefile() {
     find . -name Makefile.am -exec grep -l "lib${1}_la.*version-info" \{\} \;
 }
 
 find_sources() {
     local LIB="$1"
     local AMFILE="$2"
     local SOURCES
 
     # Library makefiles should use "+=" to break up long sources lines rather
     # than backslashed continuation lines, to allow this script to detect
     # source files correctly. Warn if that's not the case.
     if
         grep "lib${LIB}_la_SOURCES.*\\\\" $AMFILE
     then
         echo -e "\033[1;35m -- Sources list for lib$LIB is probably truncated! --\033[0m"
         echo "Edit to use '+=' rather than backslashed continuation lines"
         prompt_to_continue
     fi
 
-    SOURCES=$(grep "lib${LIB}_la_SOURCES" "$AMFILE" \
+    SOURCES=$(grep "^lib${LIB}_la_SOURCES" "$AMFILE" \
         | sed -e 's/.*=//' -e 's/\\//' -e 's:\.\./gnu/:lib/gnu/:')
 
     for SOURCE in $SOURCES; do
         if
             echo $SOURCE | grep -q "/"
         then
             echo "$SOURCE"
         else
             echo "$(dirname $AMFILE)/$SOURCE"
         fi
     done
 }
 
 extract_version() {
     grep "lib${1}_la.*version-info" | sed -e 's/.*version-info\s*\(\S*\)/\1/'
 }
 
 shared_lib_name() {
     local LIB="$1"
     local VERSION="$2"
 
     echo "lib${LIB}.so.$(echo $VERSION | cut -d: -f 1)"
 }
 
 process_lib() {
     local LIB="$1"
     local LAST_RELEASE="$2"
     local AMFILE
     local SOURCES
+    local HEADERS_EXP
+    local HEADERS_GONE
     local CHANGE
     local CHANGES
 
     if [ -z "${HEADERS[$LIB]}" ]; then
         echo "Can't check lib$LIB until this script is updated with its headers"
         prompt_to_continue
     fi
 
+    for HEADER in $(ls ${HEADERS[$LIB]} 2>&1|sed -e 's/.* include/include/' -e 's/:.*//'); do
+      if [ -f "$HEADER" ]; then
+        HEADERS_EXP+=" $HEADER"
+      else
+        HEADERS_GONE+=" $HEADER"
+      fi
+    done
+
     AMFILE="$(find_makefile "$LIB")"
 
     # Get current shared library version
     VER_NOW=$(cat $AMFILE | extract_version $LIB)
 
     # Check whether library existed at last release
     git cat-file -e $LAST_RELEASE:$AMFILE 2>/dev/null
     if [ $? -ne 0 ]; then
         echo "lib$LIB is new, not changing version ($VER_NOW)"
         prompt_to_continue
         echo ""
         return
     fi
 
     # Check whether there were any changes to headers or sources
     SOURCES="$(find_sources "$LIB" "$AMFILE")"
-    CHANGES=$(git diff -w $LAST_RELEASE..HEAD ${HEADERS[$LIB]} $SOURCES | wc -l)
+    CHANGES=$(git diff -w $LAST_RELEASE..HEAD $HEADERS_EXP $SOURCES | wc -l)
     if [ $CHANGES -eq 0 ]; then
-        echo "No changes to $LIB interface"
-        prompt_to_continue
-        echo ""
-        return
+        if [ -z "$HEADERS_GONE" ]; then
+          echo "No changes to $LIB interface"
+          prompt_to_continue
+          echo ""
+          return
+        fi
     fi
 
     # Show all header changes since last release
-    git diff -w $LAST_RELEASE..HEAD ${HEADERS[$LIB]}
+    echo "- Changes in Headers ($HEADERS_EXP) since $LAST_RELEASE:"
+    if [ ! -z "$HEADERS_GONE" ]; then
+      for HEADER in $HEADERS_GONE; do
+        echo "$HEADER not found in current release!"
+      done
+    fi
+    git --no-pager diff --color -w $LAST_RELEASE..HEAD ${HEADERS_EXP}
+
+    # Show commits touching lib since last release
+    echo ""
+    echo "- Commits (without Refactor & Build) touching lib$LIB since $LAST_RELEASE:"
+    git log --color Pacemaker-2.0.3..HEAD -z ${HEADERS_EXP} $SOURCES $AMFILE|grep -vzE "Refactor:|Build:|Merge pull request"
+
+    # Show merged PRs since last release touching this lib
+    echo ""
+    echo "- PRs merged touching lib$LIB since $LAST_RELEASE:"
+    git log Pacemaker-2.0.3..HEAD -z ${HEADERS_EXP} $SOURCES $AMFILE|grep -z "Merge pull request"|sed -zr "s/.*#([0-9]+).*/#\1 /"
+    echo ""
 
     # Show summary of source changes since last release
     echo ""
-    echo "- Headers: ${HEADERS[$LIB]}"
+    echo "- Headers: ${HEADERS_EXP}"
     echo "- Changed sources since $LAST_RELEASE:"
-    git diff -w $LAST_RELEASE..HEAD --stat $SOURCES
+    git --no-pager diff --color -w $LAST_RELEASE..HEAD --stat $SOURCES
     echo ""
 
     # Ask for human guidance
     # @TODO: change default based on intelligent analysis
     echo "Are the changes to lib$LIB:"
     read -p "[c]ompatible additions, [i]ncompatible additions/removals or [f]ixes? [None]: " CHANGE
 
     # Get (and show) shared library version at last release
     VER=$(git show $LAST_RELEASE:$AMFILE | extract_version $LIB)
     VER_1=$(echo $VER | awk -F: '{print $1}')
     VER_2=$(echo $VER | awk -F: '{print $2}')
     VER_3=$(echo $VER | awk -F: '{print $3}')
     echo "lib$LIB version at $LAST_RELEASE: $VER"
 
     # Show current shared library version if changed
     if [ $VER_NOW != $VER ]; then
         echo "lib$LIB version currently: $VER_NOW"
     fi
 
     # Calculate new library version
     case $CHANGE in
         i|I)
             echo "New backwards-incompatible version: x+1:0:0"
             VER_1=$(expr $VER_1 + 1)
             VER_2=0
             VER_3=0
 
             # Some headers define constants for shared library names,
             # update them if the name changed
-            for H in ${HEADERS[$LIB]}; do
+            for H in $HEADERS_EXP; do
                 sed -i -e "s/$(shared_lib_name "$LIB" "$VER_NOW")/$(shared_lib_name "$LIB" "$VER_1:0:0")/" $H
             done
             ;;
         c|C)
             echo "New version with backwards-compatible extensions: x+1:0:z+1"
             VER_1=$(expr $VER_1 + 1)
             VER_2=0
             VER_3=$(expr $VER_3 + 1)
             ;;
         F|f)
             echo "Code changed though interfaces didn't: x:y+1:z"
             VER_2=$(expr $VER_2 + 1)
             ;;
         *)
             echo "Not updating lib$LIB version"
             prompt_to_continue
             CHANGE=""
             ;;
     esac
     VER_NEW=$VER_1:$VER_2:$VER_3
 
     if [ ! -z $CHANGE ]; then
         if [ "$VER_NEW" != "$VER_NOW" ]; then
             echo "Updating lib$LIB version from $VER_NOW to $VER_NEW"
             prompt_to_continue
             sed -i "s/version-info\s*$VER_NOW/version-info $VER_NEW/" $AMFILE
         else
             echo "No version change needed for lib$LIB"
             prompt_to_continue
         fi
     fi
     echo ""
 }
 
 echo "Definitions:"
 echo "- Compatible additions: new public API functions, structs, etc."
 echo "- Incompatible additions/removals: new arguments to public API functions,"
 echo "  new members added to the middle of public API structs,"
 echo "  removal of any public API, etc."
 echo "- Fixes: any other code changes at all"
 echo ""
 echo "When possible, improve backward compatibility first:"
 echo "- move new members to the end of structs"
 echo "- use bitfields instead of booleans"
 echo "- when adding arguments, create a new function that the old one can wrap"
 echo ""
 prompt_to_continue
 
 LAST_RELEASE=$(find_last_release "$1")
 for LIB in $(find_libs); do
     process_lib "$LIB" "$LAST_RELEASE"
 done
 
 # Show all proposed changes
-git diff -w
+git --no-pager diff --color -w