Travis: Point shellcheck to config files

.travis.yml

@@ -19,3 +19,4 @@ before_install:
 script:
     - time ./neofetch --ascii --config travis --ascii_distro travis -v
     - bash -c 'shellcheck neofetch'
+

neofetch

@@ -88,6 +88,7 @@ get_distro() {
             else
                 # Source the os-release file
                 for file in /etc/os-release /usr/lib/os-release /etc/*release /usr/lib/*release; do
+                    # shellcheck source=/etc/os-release
                     source "$file" && break
                 done
 
@@ -2414,6 +2415,7 @@ info() {
 
     # Use cache if it exists
     if [[ -f "${cache_dir}/neofetch/${2}" ]]; then
+        # shellcheck source=/dev/null
         source "${cache_dir}/neofetch/${2}"
     else
         # Call the function.
@@ -2817,6 +2819,7 @@ get_default_config() {
         travis_config="${script_dir}/config/travis"
     fi
 
+    # shellcheck source=config/config
     if source "$default_config"; then
         err "Config: Sourced default config. ($default_config)"
     else
@@ -2827,11 +2830,13 @@ get_default_config() {
 get_user_config() {
     # Check $config_file
     if [[ -f "$config_file" ]]; then
+        # shellcheck source=config/config
         source "$config_file"
         err "Config: Sourced user config.    ($config_file)"
         return
 
     elif [[ "$config_file" == "travis" ]]; then
+        # shellcheck source=config/travis
         source "$travis_config"
         err "Config: Sourced user config.    ($travis_config)"
         return
@@ -2857,7 +2862,7 @@ get_user_config() {
         cp "$script_dir/config/config" "$XDG_CONFIG_HOME/neofetch"
         config_file="$XDG_CONFIG_HOME/neofetch/config"
     fi
-
+    # shellcheck source=config/config
     source "$config_file"
     err "Config: Sourced user config.    ($config_file)"
 }