Fix all Shellcheck SC1090 violations.

lib/install/install.sh

@@ -2,6 +2,7 @@
 
 # Include config rc file if found
 CONFIG_FILE="$HOME/.bpkgrc"
+# shellcheck disable=SC1090
 [[ -f "$CONFIG_FILE" ]] && source "$CONFIG_FILE"
 
 ## set defaults

lib/list/list.sh

@@ -6,7 +6,8 @@ if ! type -f bpkg-utils &>/dev/null; then
   echo "error: bpkg-utils not found, aborting"
   exit 1
 else
-  source $(which bpkg-utils)
+  # shellcheck source=../utils/utils.sh
+  source "$(which bpkg-utils)"
 fi
 
 bpkg_initrc

lib/show/show.sh

@@ -6,7 +6,8 @@ if ! type -f bpkg-utils &>/dev/null; then
   echo "error: bpkg-utils not found, aborting"
   exit 1
 else
-  source $(which bpkg-utils)
+  # shellcheck source=../utils/utils.sh
+  source "$(which bpkg-utils)"
 fi
 
 bpkg_initrc

lib/update/update.sh

@@ -6,7 +6,8 @@ if ! type -f bpkg-utils &>/dev/null; then
   echo "error: bpkg-utils not found, aborting"
   exit 1
 else
-  source $(which bpkg-utils)
+  # shellcheck source=../utils/utils.sh
+  source "$(which bpkg-utils)"
 fi
 
 bpkg_initrc

lib/utils/utils.sh

@@ -5,8 +5,10 @@
 ## Init local config and set environmental defaults
 bpkg_initrc() {
   local global_config=${BPKG_GLOBAL_CONFIG:-"/etc/bpkgrc"}
+  # shellcheck disable=SC1090
   [ -f "$global_config" ] && source "$global_config"
   local config=${BPKG_CONFIG:-"$HOME/.bpkgrc"}
+  # shellcheck disable=SC1090
   [ -f "$config" ] && source "$config"
   ## set defaults
   if [ ${#BPKG_REMOTES[@]} -eq 0 ]; then