refactor(posix): replace '==' with '=' (shellcheck SC3014)

_webi/template.sh

@@ -86,7 +86,7 @@ __bootstrap_webi() {
             return 0
         fi
 
-        if [ -n "$WEBI_SINGLE" ] || [ "single" == "${1:-}" ]; then
+        if [ -n "$WEBI_SINGLE" ] || [ "single" = "${1:-}" ]; then
             rm -rf "$pkg_dst_cmd"
             ln -s "$pkg_src_cmd" "$pkg_dst_cmd"
         else
@@ -143,7 +143,7 @@ __bootstrap_webi() {
         if [ -n "${1:-}" ]; then
             my_url="$1"
         else
-            if [ "error" == "$WEBI_CHANNEL" ]; then
+            if [ "error" = "$WEBI_CHANNEL" ]; then
                 # TODO pass back requested OS / Arch / Version
                 echo >&2 "Error: no '$PKG_NAME' release for '${WEBI_OS:-}' on '$WEBI_ARCH' as one of '$WEBI_FORMATS' by the tag '${WEBI_TAG:-}'"
                 echo >&2 "       '$PKG_NAME' is available for '$PKG_OSES' on '$PKG_ARCHES' as one of '$PKG_FORMATS'"
@@ -209,16 +209,16 @@ __bootstrap_webi() {
     # detect which archives can be used
     webi_extract() {
         pushd "$WEBI_TMP" > /dev/null 2>&1
-        if [ "tar" == "$WEBI_EXT" ]; then
+        if [ "tar" = "$WEBI_EXT" ]; then
             echo "Extracting ${WEBI_PKG_PATH}/$WEBI_PKG_FILE"
             tar xf "${WEBI_PKG_PATH}/$WEBI_PKG_FILE"
-        elif [ "zip" == "$WEBI_EXT" ]; then
+        elif [ "zip" = "$WEBI_EXT" ]; then
             echo "Extracting ${WEBI_PKG_PATH}/$WEBI_PKG_FILE"
             unzip "${WEBI_PKG_PATH}/$WEBI_PKG_FILE" > __unzip__.log
-        elif [ "exe" == "$WEBI_EXT" ]; then
+        elif [ "exe" = "$WEBI_EXT" ]; then
             echo "Moving ${WEBI_PKG_PATH}/$WEBI_PKG_FILE"
             mv "${WEBI_PKG_PATH}/$WEBI_PKG_FILE" .
-        elif [ "xz" == "$WEBI_EXT" ]; then
+        elif [ "xz" = "$WEBI_EXT" ]; then
             echo "Inflating ${WEBI_PKG_PATH}/$WEBI_PKG_FILE"
             unxz -c "${WEBI_PKG_PATH}/$WEBI_PKG_FILE" > "$(basename "$WEBI_PKG_FILE")"
         else
@@ -263,7 +263,7 @@ __bootstrap_webi() {
     # shellcheck disable=2120
     # webi_install may be sourced and used elsewhere
     webi_install() {
-        if [ -n "$WEBI_SINGLE" ] || [ "single" == "${1:-}" ]; then
+        if [ -n "$WEBI_SINGLE" ] || [ "single" = "${1:-}" ]; then
             mkdir -p "$(dirname "$pkg_src_cmd")"
             mv ./"$pkg_cmd_name"* "$pkg_src_cmd"
         else

macos/install.sh

@@ -7,7 +7,7 @@ main() {
 
     pushd ~/Downloads/webi 2>&1 > /dev/null
 
-    if [ "Darwin" == "$(uname -s)" ]; then
+    if [ "Darwin" = "$(uname -s)" ]; then
         curl -fsSL 'https://gist.githubusercontent.com/coolaj86/8c36d132250163011c83bad8284975ee/raw/5a291955813743c20c12ca2d35c7b1bb34f8aecc/create-bootable-installer-for-os-x-el-capitan.sh' -o create-bootable-installer-for-os-x-el-capitan.sh
         bash create-bootable-installer-for-os-x-el-capitan.sh
     else

ssh-adduser/ssh-adduser.sh

@@ -56,7 +56,7 @@ main() {
     # TODO ensure that ssh-password login is off
     my_pass="$(grep 'PasswordAuthentication yes' /etc/ssh/sshd_config)"
     my_pam=""
-    if [[ "Darwin" == "$(uname -s)" ]]; then
+    if [[ "Darwin" = "$(uname -s)" ]]; then
         # Turn off PAM for macOS or it will allow password login
         my_pam="$(grep 'UsePAM yes' /etc/ssh/sshd_config)"
     fi