diff --git a/doc/PKGBUILD.5.asciidoc b/doc/PKGBUILD.5.asciidoc
index 4ca8eb3b..e7743c88 100644
--- a/doc/PKGBUILD.5.asciidoc
+++ b/doc/PKGBUILD.5.asciidoc
@@ -344,6 +344,10 @@ function.
 	fakeroot to ensure correct file permissions in the resulting package.
 	All other functions will be run as the user calling makepkg.
 
+*verify() Function*::
+	An optional `verify()` function can be specified to implement arbiterary
+	source authentication. This function is run before sources are extracted.
+
 *prepare() Function*::
 	An optional `prepare()` function can be specified in which operations to
 	prepare the sources for building, such as patching, are performed. This
diff --git a/doc/makepkg.8.asciidoc b/doc/makepkg.8.asciidoc
index 38032e7b..75b2139f 100644
--- a/doc/makepkg.8.asciidoc
+++ b/doc/makepkg.8.asciidoc
@@ -168,6 +168,9 @@ Options
 *\--noprepare*::
 	Do not run the prepare() function in the PKGBUILD.
 
+*\--noverify*::
+	Do not run the verify() function in the PKGBUILD.
+
 *\--sign*::
 	Sign the resulting package with gpg, overriding the setting in
 	linkman:makepkg.conf[5].
diff --git a/scripts/libmakepkg/integrity.sh.in b/scripts/libmakepkg/integrity.sh.in
index 070392fa..81f935df 100644
--- a/scripts/libmakepkg/integrity.sh.in
+++ b/scripts/libmakepkg/integrity.sh.in
@@ -42,4 +42,7 @@ check_source_integrity() {
 		check_checksums "$@"
 		check_pgpsigs "$@"
 	fi
+	if (( VERIFYFUNC )); then
+		run_verify
+	fi
 }
diff --git a/scripts/libmakepkg/source.sh.in b/scripts/libmakepkg/source.sh.in
index e39dd16c..92dc71e4 100644
--- a/scripts/libmakepkg/source.sh.in
+++ b/scripts/libmakepkg/source.sh.in
@@ -69,6 +69,21 @@ download_sources() {
 	done
 }
 
+copy_sources(){
+	msg "$(gettext "Copying sources...")"
+	local netfile all_sources
+
+	get_all_sources_for_arch 'all_sources'
+	for netfile in "${all_sources[@]}"; do
+		local proto=$(get_protocol "$netfile")
+		if declare -f copy_$proto > /dev/null; then
+			copy_$proto "$netfile"
+		else
+			copy_file "$netfile"
+		fi
+	done
+}
+
 extract_sources() {
 	msg "$(gettext "Extracting sources...")"
 	local netfile all_sources
diff --git a/scripts/libmakepkg/source/file.sh.in b/scripts/libmakepkg/source/file.sh.in
index fa09d446..51452550 100644
--- a/scripts/libmakepkg/source/file.sh.in
+++ b/scripts/libmakepkg/source/file.sh.in
@@ -82,13 +82,20 @@ download_file() {
 	fi
 }
 
-extract_file() {
+copy_file(){
 	local netfile=$1
 
 	local file=$(get_filename "$netfile")
 	local filepath=$(get_filepath "$file")
 	rm -f "$srcdir/${file}"
 	ln -s "$filepath" "$srcdir/"
+}
+
+extract_file() {
+	local netfile=$1
+
+	local file=$(get_filename "$netfile")
+	local filepath=$(get_filepath "$file")
 
 	if in_array "$file" "${noextract[@]}"; then
 		# skip source files in the noextract=() array
diff --git a/scripts/makepkg.sh.in b/scripts/makepkg.sh.in
index 5aaabf63..b7b21af1 100644
--- a/scripts/makepkg.sh.in
+++ b/scripts/makepkg.sh.in
@@ -144,6 +144,9 @@ clean_up() {
 			if (( PKGVERFUNC )); then
 				rm -f "${pkgbase}-${fullver}-${CARCH}-pkgver.log"*
 			fi
+			if (( VERIFYFUNC )); then
+				rm -f "${pkgbase}-${fullver}-${CARCH}-verify.log"*
+			fi
 			if (( PREPAREFUNC )); then
 				rm -f "${pkgbase}-${fullver}-${CARCH}-prepare.log"*
 			fi
@@ -447,6 +450,10 @@ run_function() {
 	fi
 }
 
+run_verify() {
+	run_function_safe "verify"
+}
+
 run_prepare() {
 	run_function_safe "prepare"
 }
@@ -973,6 +980,7 @@ while true; do
 		-m|--nocolor)     USE_COLOR='n'; PACMAN_OPTS+=("--color" "never") ;;
 		--noarchive)      NOARCHIVE=1 ;;
 		--nocheck)        RUN_CHECK='n' ;;
+		--noverify)       RUN_VERIFY='n' ;;
 		--noprepare)      RUN_PREPARE='n' ;;
 		--nosign)         SIGNPKG='n' ;;
 		-o|--nobuild)     BUILDPKG=0 NOBUILD=1 ;;
@@ -1093,7 +1101,7 @@ fi
 
 unset pkgname "${pkgbuild_schema_strings[@]}" "${pkgbuild_schema_arrays[@]}"
 unset "${known_hash_algos[@]/%/sums}"
-unset -f pkgver prepare build check package "${!package_@}"
+unset -f pkgver verify prepare build check package "${!package_@}"
 unset "${!makedepends_@}" "${!depends_@}" "${!source_@}" "${!checkdepends_@}"
 unset "${!optdepends_@}" "${!conflicts_@}" "${!provides_@}" "${!replaces_@}"
 unset "${!cksums_@}" "${!md5sums_@}" "${!sha1sums_@}" "${!sha224sums_@}"
@@ -1165,6 +1173,12 @@ if (( ${#pkgname[@]} > 1 )) || have_function package_${pkgname}; then
 fi
 
 # test for available PKGBUILD functions
+if have_function verify; then
+	# "Hide" verify() function if not going to be run
+	if [[ $RUN_VERIFY != "n" ]]; then
+		VERIFYFUNC=1
+	fi
+fi
 if have_function prepare; then
 	# "Hide" prepare() function if not going to be run
 	if [[ $RUN_PREPARE != "n" ]]; then
@@ -1312,6 +1326,7 @@ if (( !REPKG )); then
 		warning "$(gettext "Using existing %s tree")" "\$srcdir/"
 	else
 		download_sources
+		copy_sources
 		check_source_integrity
 		(( VERIFYSOURCE )) && exit $E_OK