diff --git a/pidd.sh b/pidd.sh
index 118e6d8..50d512c 100644
--- a/pidd.sh
+++ b/pidd.sh
@@ -363,39 +363,39 @@ Acquire::https::Verify-Peer False;
     # variables
     [ -n "${PIDD_CA_1}" ] && PIDD_CA=true
     # continuous integration platform
-    if [ -n "${GITHUB_ACTIONS}" ] ; then
+    if [ -n "${GITHUB_ACTIONS}" ]; then
         # github → gitea → forgejo
-        if [ -n "${GITHUB_SERVER_URL}" ] ; then
+        if [ -n "${GITHUB_SERVER_URL}" ]; then
             PIDD_PROJECT_ROOT="$(dirname "${GITHUB_SERVER_URL}")//"
-            if [ -n "${GITHUB_TOKEN}" ] ; then
+            if [ -n "${GITHUB_TOKEN}" ]; then
                 PIDD_PROJECT_ROOT="${PIDD_PROJECT_ROOT}${GITHUB_TOKEN}@"
             fi
             PIDD_PROJECT_ROOT="${PIDD_PROJECT_ROOT}$(basename "${GITHUB_SERVER_URL}")"
         else
             pidd_error_ci "GITHUB_SERVER_URL"
         fi
-        if [ -n "${GITHUB_REPOSITORY}" ] ; then
+        if [ -n "${GITHUB_REPOSITORY}" ]; then
             PIDD_PROJECT_PATH="$(dirname "${GITHUB_REPOSITORY}")"
             PIDD_PROJECT_NAME="$(basename "${GITHUB_REPOSITORY}")"
         else
             pidd_error_ci "GITHUB_REPOSITORY"
         fi
-        if [ -n "${GITHUB_REF_NAME}" ] ; then
+        if [ -n "${GITHUB_REF_NAME}" ]; then
             PIDD_PROJECT_BRANCH="${GITHUB_REF_NAME}"
         else
             pidd_error_ci "GITHUB_REF_NAME"
         fi
-    elif [ -n "${GITLAB_CI}" ] ; then
+    elif [ -n "${GITLAB_CI}" ]; then
         # gitlab
-        if [ -n "${CI_SERVER_PROTOCOL}" ] ; then
-            if [ -n "${CI_REGISTRY_USER}" ] ; then
-                if [ -n "${CI_REGISTRY_PASSWORD}" ] ; then
-                    if [ -n "${CI_SERVER_FQDN}" ] ; then
+        if [ -n "${CI_SERVER_PROTOCOL}" ]; then
+            if [ -n "${CI_REGISTRY_USER}" ]; then
+                if [ -n "${CI_REGISTRY_PASSWORD}" ]; then
+                    if [ -n "${CI_SERVER_FQDN}" ]; then
                         PIDD_PROJECT_ROOT="${CI_SERVER_PROTOCOL}\
 ://${CI_REGISTRY_USER}:${CI_REGISTRY_PASSWORD}@${CI_SERVER_FQDN}"
-                        if [ -n "${CI_PROJECT_NAMESPACE}" ] ; then
+                        if [ -n "${CI_PROJECT_NAMESPACE}" ]; then
                             PIDD_PROJECT_PATH="${CI_PROJECT_NAMESPACE}"
-                            if [ -n "${CI_PROJECT_NAME}" ] ; then
+                            if [ -n "${CI_PROJECT_NAME}" ]; then
                                 PIDD_PROJECT_NAME="${CI_PROJECT_NAME}"
                             else
                                 pidd_error_ci "CI_PROJECT_NAME"
@@ -415,7 +415,7 @@ Acquire::https::Verify-Peer False;
         else
             pidd_error_ci "CI_SERVER_PROTOCOL"
         fi
-        if [ -n "${CI_COMMIT_BRANCH}" ] ; then
+        if [ -n "${CI_COMMIT_BRANCH}" ]; then
             PIDD_PROJECT_BRANCH="${CI_COMMIT_BRANCH}"
         else
             pidd_error_ci "CI_COMMIT_BRANCH"
@@ -511,7 +511,7 @@ pidd_set_packages_configuration() {
 # agnostic steps
 
 pidd_set_https_verification_off() {
-    if [ -n "${PIDD_CA}" ] || [ "${PIDD_PM}" = "${PIDD_PM_APT}" ] ; then
+    if [ -n "${PIDD_CA}" ] || [ "${PIDD_PM}" = "${PIDD_PM_APT}" ]; then
         pidd_step "Set HTTPS verification off"
         pidd_mkdir "$(dirname "${PIDD_PM_HTTPS_PATH}")"
         pidd_write "${PIDD_PM_HTTPS_PATH}" "${PIDD_PM_HTTPS_TEXT}"
@@ -668,7 +668,7 @@ ${PIDD_PYTHON_PACKAGES}/${pidd_stp__name}"
 
 pidd_cat() {
     pidd_cat__file="${1}"
-    if [ -n "${pidd_cat__file}" ] ; then
+    if [ -n "${pidd_cat__file}" ]; then
         pidd_open "${pidd_cat__file}"
         cat "${pidd_cat__file}" || exit
         pidd_shut "${pidd_cat__file}"
@@ -676,7 +676,7 @@ pidd_cat() {
 }
 
 pidd_echo() {
-    if [ -n "${1}" ] ; then
+    if [ -n "${1}" ]; then
         for pidd_echo__name in "${@}" ; do
             pidd_echo__text=""
             eval "pidd_echo__text=\"\${${pidd_echo__name}}\""
@@ -699,7 +699,7 @@ pidd_error_os() {
 
 pidd_grep_os() {
     pidd_grep_os__variable="${1}"
-    if [ -n "${pidd_grep_os__variable}" ] ; then
+    if [ -n "${pidd_grep_os__variable}" ]; then
         grep "^${pidd_grep_os__variable}=" "/etc/os-release" \
         | sed "s|^${pidd_grep_os__variable}=||" \
         | sed "s|^\"\(.*\)\"$|\1|"
@@ -708,14 +708,14 @@ pidd_grep_os() {
 
 pidd_install_package() {
     pidd_install_package__name="${1}"
-    if [ -n "${pidd_install_package__name}" ] ; then
+    if [ -n "${pidd_install_package__name}" ]; then
         ${PIDD_PM_INSTALL} "${pidd_install_package__name}" || exit
     fi
 }
 
 pidd_ln_python() {
     pidd_ln_python__command="${1}"
-    if [ -n "${pidd_ln_python__command}" ] ; then
+    if [ -n "${pidd_ln_python__command}" ]; then
         echo "→ ${PIDD_PYTHON_ALIAS} → ${pidd_ln_python__command}"
         ln -f -s "${pidd_ln_python__command}" "/usr/bin/${PIDD_PYTHON_ALIAS}" \
         || exit
@@ -724,7 +724,7 @@ pidd_ln_python() {
 
 pidd_ls() {
     pidd_ls__path="${1}"
-    if [ -n "${pidd_ls__path}" ] ; then
+    if [ -n "${pidd_ls__path}" ]; then
         pidd_open "${pidd_ls__path}"
         ls -a -l "${pidd_ls__path}" || exit
         pidd_shut "${pidd_ls__path}"
@@ -733,7 +733,7 @@ pidd_ls() {
 
 pidd_mkdir() {
     pidd_mkdir__path="${1}"
-    if [ -n "${pidd_mkdir__path}" ] ; then
+    if [ -n "${pidd_mkdir__path}" ]; then
         echo "→ ${pidd_mkdir__path}"
         mkdir --parents "${pidd_mkdir__path}" || exit
     fi
@@ -745,7 +745,7 @@ pidd_open() {
 
 pidd_openssl() {
     pidd_openssl__file="${1}"
-    if [ -f "${pidd_openssl__file}" ] ; then
+    if [ -f "${pidd_openssl__file}" ]; then
         openssl x509 \
         -in "${pidd_openssl__file}" \
         -noout -text \
@@ -755,7 +755,7 @@ pidd_openssl() {
 
 pidd_rm() {
     pidd_rm__path="${1}"
-    if [ -e "${pidd_rm__path}" ] ; then
+    if [ -e "${pidd_rm__path}" ]; then
         echo "← ${pidd_rm__path}"
         rm -r "${pidd_rm__path}" || exit
     fi
@@ -764,7 +764,7 @@ pidd_rm() {
 pidd_sed() {
     pidd_sed__file="${1}"
     shift
-    if [ -f "${pidd_sed__file}" ] ; then
+    if [ -f "${pidd_sed__file}" ]; then
         pidd_cat "${pidd_sed__file}"
         for pidd_sed__regex in "${@}" ; do
             sed --in-place "s${pidd_sed__regex}g" "${pidd_sed__file}" \
@@ -793,7 +793,7 @@ ${PIDD___UP}"
 pidd_write() {
     pidd_write__file="${1}"
     pidd_write__text="${2}"
-    if [ -n "${pidd_write__file}" ] ; then
+    if [ -n "${pidd_write__file}" ]; then
         [ -f "${pidd_write__file}" ] && pidd_cat "${pidd_write__file}"
         echo "→ ${pidd_write__file}"
         printf "%s" "${pidd_write__text}" > "${pidd_write__file}" || exit