diff --git a/libraries/filesystem b/libraries/filesystem
index 850270b..9c7dfb5 100644
--- a/libraries/filesystem
+++ b/libraries/filesystem
@@ -63,6 +63,31 @@ function download() {
 	return ${RESULT}
 }
 
+#-------------------------------------------------------------------------------
+# Generates a contents file
+# Parameters: %contentsfile% %archive%
+#-------------------------------------------------------------------------------
+function generateContents() {
+	local OUTPUT="${1}"
+	local ARCHIVE="${2}"
+	[ ! -f ${ARCHIVE} ] && return 1
+	case ${ARCHIVE} in
+		*.iso)
+			isoinfo -l -i ${ARCHIVE} > ${OUTPUT} || return 1
+			;;
+		*.tar)
+			tar -tvf ${ARCHIVE} > ${OUTPUT} || return 1
+			;;
+		*.tar.gz|*.tar.xz|*.tar.z)
+			tar -tvzf ${ARCHIVE} > ${OUTPUT} || return 1
+			;;
+		*.tar.bz2)
+			tar -tvjf ${ARCHIVE} > ${OUTPUT} || return 1
+			;;
+	esac
+	return 0
+}
+
 #-------------------------------------------------------------------------------
 # Generates a hash file
 # Parameters: %digestfile% %filelist%
diff --git a/libraries/repositories b/libraries/repositories
index a3c96f2..ca01ffb 100644
--- a/libraries/repositories
+++ b/libraries/repositories
@@ -21,6 +21,25 @@ function mirrorGit() {
 	return 0
 }
 
+#-------------------------------------------------------------------------------
+# Creates a local mirror of specified HG repository
+# Parameters: %dest_directory% %address% [%username%]
+#-------------------------------------------------------------------------------
+function mirrorMercurial() {
+	local DIRECTORY="${1}"
+	local ADDRESS="${2}"
+	local USER="${3:-root}"
+	if [ -d ${DIRECTORY} ]; then
+		cd ${DIRECTORY}
+		run "su ${USER} -s \"/bin/sh\" -c \"hg pull --update -e \
+			${BINDIR}/ssh_wrapper.sh\"" || return 1
+	else
+		run "su ${USER} -s \"/bin/sh\" -c \"hg clone ${ADDRESS} ${DIRECTORY} \
+			-e ${BINDIR}/ssh_wrapper.sh\"" || return 1
+	fi
+	return 0
+}
+
 #-------------------------------------------------------------------------------
 # Creates a local mirror of specified repository regardless its protocol
 # Parameters: %dest_directory% %protocol% %address% [%username%]
@@ -30,6 +49,9 @@ function mirrorRepository() {
 		[Gg][Ii][Tt])
 			mirrorGit "${1}" "${3}" "${4}" && return 0
 			;;
+		[Hh][Gg])
+			mirrorMercurial "${1}" "${3}" "${4}" && return 0
+			;;
 		[Rr][Ss][Yy][Nn][Cc])
 			mirrorRsync "${1}" "${3}" "${4}" && return 0
 			;;