diff --git a/config/psptoolchain-allegrex-config .sh b/config/psptoolchain-allegrex-config .sh
new file mode 100644
index 0000000..e71842a
--- /dev/null
+++ b/config/psptoolchain-allegrex-config .sh	
@@ -0,0 +1,14 @@
+#!/bin/bash
+
+PSPTOOLCHAIN_ALLEGREX_BINUTILS_REPO_URL="https://github.com/pspdev/binutils-gdb.git"
+PSPTOOLCHAIN_ALLEGREX_BINUTILS_DEFAULT_REPO_REF="allegrex-v2.37.0"
+PSPTOOLCHAIN_ALLEGREX_GCC_REPO_URL="https://github.com/pspdev/gcc.git"
+PSPTOOLCHAIN_ALLEGREX_GCC_DEFAULT_REPO_REF="allegrex-v13.2.0"
+PSPTOOLCHAIN_ALLEGREX_NEWLIB_REPO_URL="https://github.com/pspdev/newlib.git"
+PSPTOOLCHAIN_ALLEGREX_NEWLIB_DEFAULT_REPO_REF="allegrex-v4.4.0"
+PSPTOOLCHAIN_ALLEGREX_PTHREAD_EMBEDDED_REPO_URL="https://github.com/pspdev/pthread-embedded.git"
+PSPTOOLCHAIN_ALLEGREX_PTHREAD_EMBEDDED_DEFAULT_REPO_REF="platform_agnostic"
+
+if test -f "$PSPDEV_CONFIG_OVERRIDE"; then
+  source "$PSPDEV_CONFIG_OVERRIDE"
+fi
\ No newline at end of file
diff --git a/scripts/001-binutils.sh b/scripts/001-binutils.sh
index 52222fb..9da532f 100755
--- a/scripts/001-binutils.sh
+++ b/scripts/001-binutils.sh
@@ -1,14 +1,33 @@
 #!/bin/bash
-# binutils.sh by Francisco Javier Trujillo Mata (fjtrujy@gmail.com)
+# 001-binutils.sh by pspdev developers
+
+## Exit with code 1 when any command executed returns a non-zero exit code.
+onerr()
+{
+  exit 1;
+}
+trap onerr ERR
+
+## Read information from the configuration file.
+source "$(dirname "$0")/../config/psptoolchain-allegrex-config.sh"
 
 ## Download the source code.
-REPO_URL="https://github.com/pspdev/binutils-gdb.git"
-REPO_FOLDER="binutils-gdb"
-BRANCH_NAME="allegrex-v2.37.0"
+REPO_URL="$PSPTOOLCHAIN_ALLEGREX_BINUTILS_REPO_URL"
+REPO_REF="$PSPTOOLCHAIN_ALLEGREX_BINUTILS_DEFAULT_REPO_REF"
+REPO_FOLDER="$(s="$REPO_URL"; s=${s##*/}; printf "%s" "${s%.*}")"
+
+# Checking if a specific Git reference has been passed in parameter $1
+if test -n "$1"; then
+  REPO_REF="$1"
+  printf 'Using specified repo reference %s\n' "$REPO_REF"
+fi
+
 if test ! -d "$REPO_FOLDER"; then
-	git clone --depth 1 -b $BRANCH_NAME $REPO_URL $REPO_FOLDER && cd $REPO_FOLDER || { exit 1; }
+  git clone --depth 1 -b "$REPO_REF" "$REPO_URL" "$REPO_FOLDER"
 else
-	cd $REPO_FOLDER && git fetch origin && git reset --hard origin/${BRANCH_NAME} || { exit 1; }
+  git -C "$REPO_FOLDER" fetch origin
+  git -C "$REPO_FOLDER" reset --hard "origin/$REPO_REF"
+  git -C "$REPO_FOLDER" checkout "$REPO_REF"
 fi
 
 TARGET="psp"
diff --git a/scripts/002-gcc-stage1.sh b/scripts/002-gcc-stage1.sh
index 457512b..0ece950 100755
--- a/scripts/002-gcc-stage1.sh
+++ b/scripts/002-gcc-stage1.sh
@@ -1,14 +1,33 @@
 #!/bin/bash
-# gcc-stage1.sh by Francisco Javier Trujillo Mata (fjtrujy@gmail.com)
+# 002-gcc-stage1.sh by pspdev developers
+
+## Exit with code 1 when any command executed returns a non-zero exit code.
+onerr()
+{
+  exit 1;
+}
+trap onerr ERR
+
+## Read information from the configuration file.
+source "$(dirname "$0")/../config/psptoolchain-allegrex-config.sh"
 
 ## Download the source code.
-REPO_URL="https://github.com/pspdev/gcc.git"
-REPO_FOLDER="gcc"
-BRANCH_NAME="allegrex-v11.2.0"
+REPO_URL="$PSPTOOLCHAIN_ALLEGREX_GCC_REPO_URL"
+REPO_REF="$PSPTOOLCHAIN_ALLEGREX_GCC_DEFAULT_REPO_REF"
+REPO_FOLDER="$(s="$REPO_URL"; s=${s##*/}; printf "%s" "${s%.*}")"
+
+# Checking if a specific Git reference has been passed in parameter $1
+if test -n "$1"; then
+  REPO_REF="$1"
+  printf 'Using specified repo reference %s\n' "$REPO_REF"
+fi
+
 if test ! -d "$REPO_FOLDER"; then
-	git clone --depth 1 -b $BRANCH_NAME $REPO_URL $REPO_FOLDER && cd $REPO_FOLDER || { exit 1; }
+  git clone --depth 1 -b "$REPO_REF" "$REPO_URL" "$REPO_FOLDER"
 else
-	cd $REPO_FOLDER && git fetch origin && git reset --hard origin/${BRANCH_NAME} || { exit 1; }
+  git -C "$REPO_FOLDER" fetch origin
+  git -C "$REPO_FOLDER" reset --hard "origin/$REPO_REF"
+  git -C "$REPO_FOLDER" checkout "$REPO_REF"
 fi
 
 TARGET="psp"
diff --git a/scripts/003-newlib.sh b/scripts/003-newlib.sh
index 229979a..b26eebd 100755
--- a/scripts/003-newlib.sh
+++ b/scripts/003-newlib.sh
@@ -1,14 +1,33 @@
 #!/bin/bash
-# newlib.sh by Francisco Javier Trujillo Mata (fjtrujy@gmail.com)
+# 003-newlib.sh by pspdev developers
+
+## Exit with code 1 when any command executed returns a non-zero exit code.
+onerr()
+{
+  exit 1;
+}
+trap onerr ERR
+
+## Read information from the configuration file.
+source "$(dirname "$0")/../config/psptoolchain-allegrex-config.sh"
 
 ## Download the source code.
-REPO_URL="https://github.com/pspdev/newlib.git"
-REPO_FOLDER="newlib"
-BRANCH_NAME="allegrex-v4.3.0"
+REPO_URL="$PSPTOOLCHAIN_ALLEGREX_NEWLIB_REPO_URL"
+REPO_REF="$PSPTOOLCHAIN_ALLEGREX_NEWLIB_DEFAULT_REPO_REF"
+REPO_FOLDER="$(s="$REPO_URL"; s=${s##*/}; printf "%s" "${s%.*}")"
+
+# Checking if a specific Git reference has been passed in parameter $1
+if test -n "$1"; then
+  REPO_REF="$1"
+  printf 'Using specified repo reference %s\n' "$REPO_REF"
+fi
+
 if test ! -d "$REPO_FOLDER"; then
-	git clone --depth 1 -b $BRANCH_NAME $REPO_URL && cd $REPO_FOLDER || { exit 1; }
+  git clone --depth 1 -b "$REPO_REF" "$REPO_URL" "$REPO_FOLDER"
 else
-	cd $REPO_FOLDER && git fetch origin && git reset --hard origin/${BRANCH_NAME} && git checkout ${BRANCH_NAME} || { exit 1; }
+  git -C "$REPO_FOLDER" fetch origin
+  git -C "$REPO_FOLDER" reset --hard "origin/$REPO_REF"
+  git -C "$REPO_FOLDER" checkout "$REPO_REF"
 fi
 
 TARGET="psp"
diff --git a/scripts/004-pthread-embedded.sh b/scripts/004-pthread-embedded.sh
index adb8efe..da178a7 100755
--- a/scripts/004-pthread-embedded.sh
+++ b/scripts/004-pthread-embedded.sh
@@ -1,14 +1,33 @@
 #!/bin/bash
-# pthread-embedded.sh by Francisco Javier Trujillo Mata (fjtrujy@gmail.com)
+# 004-pthread-embeedded.sh by pspdev developers
+
+## Exit with code 1 when any command executed returns a non-zero exit code.
+onerr()
+{
+  exit 1;
+}
+trap onerr ERR
+
+## Read information from the configuration file.
+source "$(dirname "$0")/../config/psptoolchain-allegrex-config.sh"
 
 ## Download the source code.
-REPO_URL="https://github.com/pspdev/pthread-embedded.git"
-REPO_FOLDER="pthread-embedded"
-BRANCH_NAME="psp"
+REPO_URL="$PSPTOOLCHAIN_ALLEGREX_PTHREAD_EMBEDDED_REPO_URL"
+REPO_REF="$PSPTOOLCHAIN_ALLEGREX_PTHREAD_EMBEDDED_DEFAULT_REPO_REF"
+REPO_FOLDER="$(s="$REPO_URL"; s=${s##*/}; printf "%s" "${s%.*}")"
+
+# Checking if a specific Git reference has been passed in parameter $1
+if test -n "$1"; then
+  REPO_REF="$1"
+  printf 'Using specified repo reference %s\n' "$REPO_REF"
+fi
+
 if test ! -d "$REPO_FOLDER"; then
-	git clone --depth 1 -b $BRANCH_NAME $REPO_URL && cd $REPO_FOLDER || { exit 1; }
+  git clone --depth 1 -b "$REPO_REF" "$REPO_URL" "$REPO_FOLDER"
 else
-	cd $REPO_FOLDER && git fetch origin && git reset --hard origin/${BRANCH_NAME} && git checkout ${BRANCH_NAME} || { exit 1; }
+  git -C "$REPO_FOLDER" fetch origin
+  git -C "$REPO_FOLDER" reset --hard "origin/$REPO_REF"
+  git -C "$REPO_FOLDER" checkout "$REPO_REF"
 fi
 
 TARGET="psp"
diff --git a/scripts/005-gcc-stage2.sh b/scripts/005-gcc-stage2.sh
index 8c1fc82..48391e0 100755
--- a/scripts/005-gcc-stage2.sh
+++ b/scripts/005-gcc-stage2.sh
@@ -1,14 +1,33 @@
 #!/bin/bash
-# gcc-stage2.sh by Francisco Javier Trujillo Mata (fjtrujy@gmail.com)
+# 005-gcc-stage2.sh by pspdev developers
+
+## Exit with code 1 when any command executed returns a non-zero exit code.
+onerr()
+{
+  exit 1;
+}
+trap onerr ERR
+
+## Read information from the configuration file.
+source "$(dirname "$0")/../config/psptoolchain-allegrex-config.sh"
 
 ## Download the source code.
-REPO_URL="https://github.com/pspdev/gcc.git"
-REPO_FOLDER="gcc"
-BRANCH_NAME="allegrex-v11.2.0"
+REPO_URL="$PSPTOOLCHAIN_ALLEGREX_GCC_REPO_URL"
+REPO_REF="$PSPTOOLCHAIN_ALLEGREX_GCC_DEFAULT_REPO_REF"
+REPO_FOLDER="$(s="$REPO_URL"; s=${s##*/}; printf "%s" "${s%.*}")"
+
+# Checking if a specific Git reference has been passed in parameter $1
+if test -n "$1"; then
+  REPO_REF="$1"
+  printf 'Using specified repo reference %s\n' "$REPO_REF"
+fi
+
 if test ! -d "$REPO_FOLDER"; then
-	git clone --depth 1 -b $BRANCH_NAME $REPO_URL && cd $REPO_FOLDER || { exit 1; }
+  git clone --depth 1 -b "$REPO_REF" "$REPO_URL" "$REPO_FOLDER"
 else
-	cd $REPO_FOLDER && git fetch origin && git reset --hard origin/${BRANCH_NAME} || { exit 1; }
+  git -C "$REPO_FOLDER" fetch origin
+  git -C "$REPO_FOLDER" reset --hard "origin/$REPO_REF"
+  git -C "$REPO_FOLDER" checkout "$REPO_REF"
 fi
 
 TARGET="psp"