diff --git a/Makefile.am b/Makefile.am
index b8ac76d..66dda30 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,7 +1,7 @@
 EXTRA_DIST = README LICENSES AUTHORS
 
 bin_SCRIPTS = go-commit go-series2epatch go-patch go-checkPatch go-distclean go-redigest go-oneelf go-checkdeps
-pkglib_SCRIPTS= go-pkgutil.rb
+pkgdata_SCRIPTS= go-pkgutil.rb
 man1_MANS = go-commit.1
 
 
diff --git a/configure.ac b/configure.ac
index b771ecb..d0a9a2e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 AC_PREREQ([2.59])
-AC_INIT([go-utils], [0.3.1])
+AC_INIT([go-utils], [0.4])
 AC_CONFIG_MACRO_DIR([m4])
 
 AM_INIT_AUTOMAKE([1.6 foreign dist-bzip2 no-dependencies])
diff --git a/install-sh b/install-sh
index 6781b98..a9244eb 100755
--- a/install-sh
+++ b/install-sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # install - install a program, script, or datafile
 
-scriptversion=2009-04-28.21; # UTC
+scriptversion=2011-01-19.21; # UTC
 
 # This originates from X11R5 (mit/util/scripts/install.sh), which was
 # later released in X11R6 (xc/config/util/install.sh) with the
@@ -156,6 +156,10 @@ while test $# -ne 0; do
     -s) stripcmd=$stripprog;;
 
     -t) dst_arg=$2
+	# Protect names problematic for `test' and other utilities.
+	case $dst_arg in
+	  -* | [=\(\)!]) dst_arg=./$dst_arg;;
+	esac
 	shift;;
 
     -T) no_target_directory=true;;
@@ -186,6 +190,10 @@ if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then
     fi
     shift # arg
     dst_arg=$arg
+    # Protect names problematic for `test' and other utilities.
+    case $dst_arg in
+      -* | [=\(\)!]) dst_arg=./$dst_arg;;
+    esac
   done
 fi
 
@@ -200,7 +208,11 @@ if test $# -eq 0; then
 fi
 
 if test -z "$dir_arg"; then
-  trap '(exit $?); exit' 1 2 13 15
+  do_exit='(exit $ret); exit $ret'
+  trap "ret=129; $do_exit" 1
+  trap "ret=130; $do_exit" 2
+  trap "ret=141; $do_exit" 13
+  trap "ret=143; $do_exit" 15
 
   # Set umask so as not to create temps with too-generous modes.
   # However, 'strip' requires both read and write access to temps.
@@ -228,9 +240,9 @@ fi
 
 for src
 do
-  # Protect names starting with `-'.
+  # Protect names problematic for `test' and other utilities.
   case $src in
-    -*) src=./$src;;
+    -* | [=\(\)!]) src=./$src;;
   esac
 
   if test -n "$dir_arg"; then
@@ -252,12 +264,7 @@ do
       echo "$0: no destination specified." >&2
       exit 1
     fi
-
     dst=$dst_arg
-    # Protect names starting with `-'.
-    case $dst in
-      -*) dst=./$dst;;
-    esac
 
     # If destination is a directory, append the input filename; won't work
     # if double slashes aren't ignored.
@@ -385,7 +392,7 @@ do
 
       case $dstdir in
 	/*) prefix='/';;
-	-*) prefix='./';;
+	[-=\(\)!]*) prefix='./';;
 	*)  prefix='';;
       esac
 
@@ -403,7 +410,7 @@ do
 
       for d
       do
-	test -z "$d" && continue
+	test X"$d" = X && continue
 
 	prefix=$prefix$d
 	if test -d "$prefix"; then
diff --git a/missing b/missing
index 28055d2..86a8fc3 100755
--- a/missing
+++ b/missing
@@ -1,10 +1,10 @@
 #! /bin/sh
 # Common stub for a few missing GNU programs while installing.
 
-scriptversion=2009-04-28.21; # UTC
+scriptversion=2012-01-06.13; # UTC
 
 # Copyright (C) 1996, 1997, 1999, 2000, 2002, 2003, 2004, 2005, 2006,
-# 2008, 2009 Free Software Foundation, Inc.
+# 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
 # Originally by Fran,cois Pinard <pinard@iro.umontreal.ca>, 1996.
 
 # This program is free software; you can redistribute it and/or modify
@@ -84,7 +84,6 @@ Supported PROGRAM values:
   help2man     touch the output file
   lex          create \`lex.yy.c', if possible, from existing .c
   makeinfo     touch the output file
-  tar          try tar, gnutar, gtar, then tar without non-portable flags
   yacc         create \`y.tab.[ch]', if possible, from existing .[ch]
 
 Version suffixes to PROGRAM as well as the prefixes \`gnu-', \`gnu', and
@@ -122,15 +121,6 @@ case $1 in
     # Not GNU programs, they don't have --version.
     ;;
 
-  tar*)
-    if test -n "$run"; then
-       echo 1>&2 "ERROR: \`tar' requires --run"
-       exit 1
-    elif test "x$2" = "x--version" || test "x$2" = "x--help"; then
-       exit 1
-    fi
-    ;;
-
   *)
     if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
        # We have it, but it failed.
@@ -226,7 +216,7 @@ WARNING: \`$1' $msg.  You should only need it if
          \`Bison' from any GNU archive site."
     rm -f y.tab.c y.tab.h
     if test $# -ne 1; then
-        eval LASTARG="\${$#}"
+        eval LASTARG=\${$#}
 	case $LASTARG in
 	*.y)
 	    SRCFILE=`echo "$LASTARG" | sed 's/y$/c/'`
@@ -256,7 +246,7 @@ WARNING: \`$1' is $msg.  You should only need it if
          \`Flex' from any GNU archive site."
     rm -f lex.yy.c
     if test $# -ne 1; then
-        eval LASTARG="\${$#}"
+        eval LASTARG=\${$#}
 	case $LASTARG in
 	*.l)
 	    SRCFILE=`echo "$LASTARG" | sed 's/l$/c/'`
@@ -318,41 +308,6 @@ WARNING: \`$1' is $msg.  You should only need it if
     touch $file
     ;;
 
-  tar*)
-    shift
-
-    # We have already tried tar in the generic part.
-    # Look for gnutar/gtar before invocation to avoid ugly error
-    # messages.
-    if (gnutar --version > /dev/null 2>&1); then
-       gnutar "$@" && exit 0
-    fi
-    if (gtar --version > /dev/null 2>&1); then
-       gtar "$@" && exit 0
-    fi
-    firstarg="$1"
-    if shift; then
-	case $firstarg in
-	*o*)
-	    firstarg=`echo "$firstarg" | sed s/o//`
-	    tar "$firstarg" "$@" && exit 0
-	    ;;
-	esac
-	case $firstarg in
-	*h*)
-	    firstarg=`echo "$firstarg" | sed s/h//`
-	    tar "$firstarg" "$@" && exit 0
-	    ;;
-	esac
-    fi
-
-    echo 1>&2 "\
-WARNING: I can't seem to be able to run \`tar' with the given arguments.
-         You may want to install GNU tar or Free paxutils, or check the
-         command line arguments."
-    exit 1
-    ;;
-
   *)
     echo 1>&2 "\
 WARNING: \`$1' is needed, and is $msg.
diff --git a/repo-commit.1.in b/repo-commit.1.in
index 40330ca..7145881 100644
--- a/repo-commit.1.in
+++ b/repo-commit.1.in
@@ -1,4 +1,4 @@
-.TH SUNRISE-COMMIT 1 "13 Jul 2010" "@PACKAGE_STRING@" "User Commands"
+.TH REPO-COMMIT 1 "13 Jul 2010" "@PACKAGE_STRING@" "User Commands"
 
 .SH NAME
 
@@ -58,6 +58,10 @@ Do not update and rebase the repository before proceeding with the
 commit. This option only applies to Subversion and CVS repositories.
 It makes no sense to automatically pull from remote DVCS repositories.
 
+.IP "\fB--diff\fP"
+
+Display a complete diff against the previous revision before committing.
+
 .IP "\fB-f\fP, \fB--force\fP"
 
 Force proceeding with the commit even if QA violations occur. With
@@ -78,6 +82,10 @@ Do not prepend the commit message with package names.
 
 Ignored (provided for backwards compatibility).
 
+.IP "\fB-S\fP, \fB--no-spelling\fP"
+
+Disable attempt to check the commit message's spelling.
+
 .IP "\fB-t\fP, \fB--trivial\fP"
 
 Assume the changes are trivial and thus do not require a ChangeLog
@@ -88,6 +96,12 @@ minor correction of previous ChangeLog entries.
 
 Enable verbose output. Useful mostly for debugging.
 
+.IP "\fB-y\fP, \fB--noask\fP"
+
+Do not ask for the user to confirm the commit. Assume that the user
+would type `\fIyes\fP' to any question. This allows the commit to be
+performed non-interactively.
+
 .IP "\fB-?\fP, \fB-h\fP, \fB--help\fP"
 
 Print a short help message and exit.
diff --git a/repo-commit.in b/repo-commit.in
index b3548cf..1048985 100644
--- a/repo-commit.in
+++ b/repo-commit.in
@@ -1,5 +1,5 @@
 #!/bin/sh
-# sunrise-commit -- a Gentoo repository commit helper
+# repo-commit -- a Gentoo repository commit helper
 # (c) 2011 Michał Górny & Nathan Phillip Brink
 # Released under the terms of the 2-clause BSD license.
 
@@ -237,6 +237,19 @@ vcs_status() {
 	fi
 }
 
+# Request VCS to provide a verbose diff.
+vcs_diff() {
+	if [ ${SC_VCS} = git ]; then
+		git --no-pager diff HEAD -- ${1-.}
+	elif [ ${SC_VCS} = hg ]; then
+		hg diff -- ${1-.}
+	elif [ ${SC_VCS} = svn ]; then
+		svn diff -- "${@}"
+	elif [ ${SC_VCS} = cvs ]; then
+		cvs -n -q diff -u -p -- "${@}"
+	fi
+}
+
 # Add particular files to the repository.
 vcs_add() {
 	${SC_VCS} add -- "${@}"
@@ -273,11 +286,51 @@ vcs_update() {
 	fi
 }
 
+# Check the spelling of the commit message if enabled
+check_spelling() {
+	if [ -n "${no_check_spelling}" ]; then
+		echo "${@}"
+		return
+	fi
+
+	local speller misspelled_words
+	for speller in "enchant -l -d en | cat" \
+		"aspell -l en list | cat" \
+		"hunspell -l -d en_US | hunspell -l -d en_GB" \
+		"ispell -l -denglish | ispell -l -dbritish"; do
+		if echo | ${speller%|*} | ${speller#*|} 2>/dev/null; then
+			misspelled_words=$(echo "${@}" | ${speller%|*} | ${speller#*|})
+			break
+		fi
+	done
+
+	local word expressions
+	for word in ${misspelled_words}; do
+		case ${word} in
+			[Ee]build|[Gg]entoo|[Gg]entoo-x86|${SC_CP#*/}*|${SC_CP%/*})
+				continue
+				;;
+			[Rr]epoman|[Mm]etadata|[Xx][Mm][Ll])
+				continue
+				;;
+		esac
+		expressions="${expressions} -e s/\\(^\\|[^a-zA-Z]\\)\\(${word}\\)\\([^a-zA-Z]\\|\$\\)/\\1${RED}\\2${RESET}\\3/g"
+	done
+
+	# sed can't handle zero expressions.
+	if [ -z "${expressions}" ]; then
+		echo "${@}"
+		return
+	fi
+
+	echo "${@}" | sed ${expressions}
+}
+
 # Print the help message.
 print_help() {
 	cat <<_EOH_
 Synopsis:
-	sunrise-commit [options] [--] <commit message>
+	repo-commit [options] [--] <commit message>
 
 Options:
 	-?, -h, --help		print this message,
@@ -286,17 +339,20 @@ Options:
 	-c, --changelog		force creating a ChangeLog entry,
 	-C, --nocolor		disable colorful output,
 	-d, --noupdate		disable updating the repository,
+	--diff			display diff of changes before committing,
 	-f, --force		force repoman to proceed with the commit,
 	-H, --nochangelog	do not append to ChangeLog nor revert it,
 	-m, --noformat		do not prepend the commit message with package names,
 	-q, --quiet		backwards compat (ignored),
 	-t, --trivial		trivial changes (do not add a ChangeLog entry),
-	-v, --verbose		enable verbose output.
+	-v, --verbose		enable verbose output,
+	-y, --noask		do not ask before committing (avoid interactivity).
 _EOH_
 }
 
 # Request confirmation before committing. Abort if it is not granted.
 confirm() {
+	${SC_NOASK+return}
 	while true; do
 		local answ
 		printf '\n%s' "${WHITE}Commit changes?${RESET} [${BGREEN}Yes${RESET}/${RED}No${RESET}] ${GREEN}" >&2
@@ -318,8 +374,9 @@ confirm() {
 
 # Guess what!
 main() {
-	local commitmsg force monochrome noprepend noupdate trivial
-	unset SC_VERBOSE SC_WANT_CHANGELOG
+	local no_check_spelling commitmsg force monochrome noprepend noupdate \
+		trivial print_diff repoman_changelog
+	unset SC_NOASK SC_VERBOSE SC_WANT_CHANGELOG
 
 	# Command-line parsing.
 	while [ ${#} -gt 0 ]; do
@@ -342,6 +399,9 @@ main() {
 			-d|--noupdate)
 				noupdate=1
 				;;
+			--diff)
+				print_diff=1
+				;;
 			-f|--force)
 				force=1
 				;;
@@ -353,12 +413,18 @@ main() {
 				;;
 			-q|--quiet)
 				;;
+			-S|--no-spelling)
+				no_check_spelling=1
+				;;
 			-t|--trivial)
 				trivial=1
 				;;
 			-v|--verbose)
 				SC_VERBOSE=1
 				;;
+			-y|--noask)
+				SC_NOASK=
+				;;
 
 			--)
 				shift
@@ -449,19 +515,29 @@ main() {
 						if [ ! -f metadata.xml ]; then
 							req cp ../../skel.metadata.xml metadata.xml
 							# Output similar to echangelog.
-							diff -dup /dev/null metadata.xml
+							[ -n "${print_diff}" ] || diff -dup /dev/null metadata.xml
 							req vcs_add metadata.xml
 						fi
 					fi
 				fi
 
-				if [ -z "${trivial}" ]; then
-					local ecopts
-					[ ${SC_WANT_CHANGELOG} = force ] && ecopts=--no-strict
-					sayv '...and appending to it.'
-					echangelog --vcs ${SC_VCS} ${ecopts} "${commitmsg}" \
-						|| die 'Please correct the problems shown by echangelog.'
-					echo
+				# create ChangeLog entries using repoman if possible
+				repoman --version --echangelog=y >/dev/null 2>&1
+				if [ ${?} -ne 2 ]; then
+					if [ -z "${trivial}" ]; then
+						repoman_changelog='--echangelog=y'
+					else
+						repoman_changelog='--echangelog=n'
+					fi
+				else
+					if [ -z "${trivial}" ]; then
+						local ecopts
+						[ ${SC_WANT_CHANGELOG} = force ] && ecopts=--no-strict
+						sayv '...and appending to it.'
+						echangelog --vcs ${SC_VCS} ${ecopts} -- "${commitmsg}" \
+							|| die 'Please correct the problems shown by echangelog.'
+						echo
+					fi
 				fi
 			fi
 
@@ -476,7 +552,9 @@ main() {
 				echo
 			fi
 
-			if [ ${SC_VCS} != cvs ] || [ -n "${noupdate}" ]; then
+			if [ -n "${print_diff}" ]; then
+				vcs_diff
+			elif [ ${SC_VCS} != cvs ] || [ -n "${noupdate}" ]; then
 				vcs_status
 			fi
 			echo
@@ -509,14 +587,17 @@ main() {
 				if ! repoman full; then
 					[ -n "${force}" ] || die 'Please correct the problems shown by repoman.'
 				fi
-				confirm
 			fi
 
 			# In CVS, we don't prepend the package name to the commit message.
 			[ ${SC_VCS} = cvs ] && noprepend=
 
+			say "${BGREEN}Ready to commit using the following commit message:${RESET}"
+			say "${noprepend-${SC_CP}: }$(check_spelling "${commitmsg}")"
+			${old_repoman+confirm}
+
 			sayv "Now, let's let repoman do its job..."
-			exec repoman commit ${old_repoman--a} ${force+-f} -m "${noprepend-${SC_CP}: }${commitmsg}"
+			exec repoman commit ${old_repoman-${SC_NOASK--a}} ${force+-f} ${repoman_changelog} -m "${noprepend-${SC_CP}: }${commitmsg}"
 			;;
 
 		# Clean removal of a package set.
@@ -539,8 +620,8 @@ main() {
 				echo
 			fi
 
-			say "Ready to commit ${WHITE}$(echo ${SC_REMOVED_PACKAGE_LIST} | wc -w)${RESET} package removal(s), with commit message:"
-			say "${BGREEN}${SC_CP}: ${commitmsg}${RESET}"
+			say "${BGREEN}Ready to commit ${WHITE}$(echo ${SC_REMOVED_PACKAGE_LIST} | wc -w)${BGREEN} package removal(s), with commit message:${RESET}"
+			say "${SC_CP}: $(check_spelling "${commitmsg}")"
 			confirm
 
 			if [ -z "${noupdate}" ]; then
diff --git a/series2epatch.in b/series2epatch.in
index 983bdf8..d2535b5 100644
--- a/series2epatch.in
+++ b/series2epatch.in
@@ -58,7 +58,7 @@ sed -e '/^#/d' -i $2/series
 
 cnt=$1
 for f in $(<$2/series) ; do
-        cp $2/${f} $3/${cnt}_${f}
+        cp $2/${f} $3/${cnt}_${f##*/}
         ((cnt++))
 done