[fix] : Fix unexpected script_path behaviour

When one calls the `build.sh` scripts with bash instead of the shebang

Author: Hayao0819

build.sh

@@ -16,7 +16,7 @@ set -u
 
 # Internal config
 # Do not change these values.
-script_path="$(readlink -f ${0%/*})"
+script_path="$( cd -P "$( dirname "$(readlink -f "$0")" )" && pwd )"
 defaultconfig="${script_path}/default.conf"
 rebuild=false
 customized_username=false

clean.sh

@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-script_path="$(readlink -f ${0%/*})"
+script_path="$( cd -P "$( dirname "$(readlink -f "$0")" )" && pwd )"
 
 cd "${script_path}"
 sudo make clean

fullbuild.sh

@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-script_path="$(readlink -f ${0%/*})"
+script_path="$( cd -P "$( dirname "$(readlink -f "$0")" )" && pwd )"
 
 channnels=(
     "xfce"

keyring.sh

@@ -14,7 +14,7 @@
 
 set -e
 
-script_path="$(readlink -f ${0%/*})"
+script_path="$( cd -P "$( dirname "$(readlink -f "$0")" )" && pwd )"
 arch=$(uname -m)
 
 

wizard.sh

@@ -4,7 +4,7 @@ set -e
 
 nobuild=false
 
-script_path="$(readlink -f ${0%/*})"
+script_path="$( cd -P "$( dirname "$(readlink -f "$0")" )" && pwd )"
 
 build_arch=$(uname -m)