From d3fdd520749446249fd4d8b55a95013b9cc78555 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gardais=20J=C3=A9r=C3=A9my?=
 <jeremy.gardais@univ-rennes1.fr>
Date: Mon, 5 Dec 2022 11:48:51 +0100
Subject: [PATCH] Unset var at the end of functions

---
 duplicati/create.homedir.sh | 34 ++++++++++++++++++++++++++--------
 1 file changed, 26 insertions(+), 8 deletions(-)

diff --git a/duplicati/create.homedir.sh b/duplicati/create.homedir.sh
index 9bd61a4..a1a08a9 100755
--- a/duplicati/create.homedir.sh
+++ b/duplicati/create.homedir.sh
@@ -83,7 +83,6 @@ OPTIONS :
         works with NSLCD − /etc/nslcd.conf).
 
 EOF
-
 }
 # }}}
 debug_message() {                                               # {{{
@@ -93,6 +92,8 @@ debug_message() {                                               # {{{
 	## Print message if DEBUG is enable (=0)
 	[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6b\e[m\n' "DEBUG − ${PROGNAME} : ${local_message}"
 
+	unset local_message
+
 	return 0
 }
 # }}}
@@ -104,6 +105,8 @@ error_message() {                                               # {{{
 	## Print error message
 	printf '%b\n' "ERROR − ${PROGNAME} : ${RED}${local_error_message}${RESET}"
 
+	unset local_error_message
+
 	exit "${local_error_code:=66}"
 }
 # }}}
@@ -178,8 +181,10 @@ Test var: ${1}."
 		shift
 	done
 
-	return "${return_var_empty}"
+	unset local_total_var
+	unset loop_count_var_empty
 
+	return "${return_var_empty}"
 }
 # }}}
 is_var_empty_silent() {                                         # {{{
@@ -203,8 +208,10 @@ is_var_empty_silent() {                                         # {{{
 		shift
 	done
 
-	return "${return_var_empty_silent}"
+	unset local_total_var
+	unset loop_count_var_empty_silent
 
+	return "${return_var_empty_silent}"
 }
 # }}}
 is_command_available() {                                        # {{{
@@ -224,8 +231,9 @@ ${RED}${local_command_available_cmd}${COLOR_DEBUG} is not available on this host
 		return_command_available="1"
 	fi
 
-	return "${return_command_available}"
+	unset local_command_available_cmd
 
+	return "${return_command_available}"
 }
 # }}}
 is_directory_absent() {                                         # {{{
@@ -247,8 +255,9 @@ The directory ${RED}${local_directory_absent}${COLOR_DEBUG} exists."
 The directory ${RED}${local_directory_absent}${COLOR_DEBUG} doesn't exist."
 	fi
 
-	return "${return_is_directory_absent}"
+	unset local_directory_absent
 
+	return "${return_is_directory_absent}"
 }
 # }}}
 get_ldap_user_list() {                                          # {{{
@@ -280,7 +289,6 @@ Error in ${RED}ldapsearch${COLOR_DEBUG} command for ${ldap_group_cn} LDAP group.
 	fi
 
 	return "${return_get_ldap_user_list}"
-
 }
 # }}}
 is_file_present() {                                             # {{{
@@ -302,8 +310,9 @@ The file ${RED}${local_file_present}${COLOR_DEBUG} exists."
 The file ${RED}${local_file_present}${COLOR_DEBUG} doesn't exist."
 	fi
 
-	return "${return_is_file_present}"
+	unset local_file_present
 
+	return "${return_is_file_present}"
 }
 # }}}
 is_file_similar() {                                             # {{{
@@ -324,6 +333,9 @@ ${local_similar_file_one} and ${local_similar_file_two} are ${RED}NOT${COLOR_DEB
 		return_is_file_similar="1"
 	fi
 
+	unset local_similar_file_one
+	unset local_similar_file_two
+
 	return "${return_is_file_similar}"
 }
 # }}}
@@ -344,6 +356,8 @@ Error in 'mkdir' command for ${RED}${local_directory}${COLOR_DEBUG} directory."
 		return_create_directory="1"
 	fi
 
+	unset local_directory
+
 	return "${return_create_directory}"
 }
 # }}}
@@ -374,12 +388,16 @@ Successfully remove permissions for group and other on ${RED}${local_directory}$
 Error in 'chmod' command for ${RED}${local_directory}${COLOR_DEBUG} directory (user: ${local_username})."
 			return_fix_directory_permissions="1"
 		fi
+	## }}}
 	else
 		debug_message "fix_directory_permissions − \
 Error in 'chown' command for ${RED}${local_directory}${COLOR_DEBUG} directory (user: ${local_username})."
 		return_fix_directory_permissions="1"
 	fi
-	## }}}
+
+	unset local_directory
+	unset local_username
+	unset local_user_groupname
 
 	return "${return_fix_directory_permissions}"
 }