Fix #2293: Accept two names for the MC linux distro

Signed-off-by: Diego Giovane Pasqualin <dpasqualin@c3sl.ufpr.br>

agent/gen-scripts/collected-data/inventory/distro.tree

@@ -19,17 +19,29 @@
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
 # USA.
 
-DISTRO=$(cut -sd ' ' -f1 /etc/issue | head -n 1)
+DISTRO=$(cut -sd ' ' -f1 /etc/issue | head -n 1 2>/dev/null)
 
-if test -f "/etc/le_version"; then
-  printf "Linux Educacional $(cat /etc/le_version)"
-  (dpkg -l minicom-client-config | grep -q '^ii' || 
-      dpkg -l minicom-server-config | grep -q '^ii') > /dev/null 2>&1 && printf " mc"
+# Return 0 if package $1 is installed on the system, >0 otherwise
+function isInstalled () {
+    dpkg --get-selections | grep "$1" | grep -q 'install$'
+}
+
+# Linux Comunicações
+if isInstalled "minicom-client-config" ||
+   isInstalled 'minicom-server-config'; then
+    printf "Linux Comunicações"
+    test -f "/etc/mc_version" && printf " $(cat /etc/mc_version)"
     printf "\n"
+# Linux Educacional > 3
+elif test -f "/etc/le_version"; then
+    printf "Linux Educacional $(cat /etc/le_version)\n"
+# Linux Educacional < 3
 elif test "${DISTRO}" = "Ubuntu" -a -f "/usr/lib/edu/fbedu/tutorial.htm"; then
     printf "Linux Educacional\n"
+# Mandriva or Fedora
 elif test "${DISTRO}" = "Mandriva" -o "${DISTRO}" = "Fedora"; then
     head -n 1 /etc/issue
+# Other...
 elif test "${DISTRO}" = "Welcome"; then
     cut -sd "\\" -f1 /etc/issue | cut -d ' ' -f3-
 else