Fix static analysis and lint errors

.config/shell/rc.d/ssh-agent-autoconfiguration.sh

@@ -74,7 +74,7 @@ test_agent_socket() {
     _KEY_COUNT=0
   fi
 
-  if [[ (($result -eq 0) || ($result -eq 1)) ]]; then
+  if [ $result -eq 0 ] || [ $result -eq 1 ]; then
     if [[ -n "$_LIVE_AGENT_LIST" ]]; then
       _LIVE_AGENT_LIST="${_LIVE_AGENT_LIST} ${SOCKET}:$_KEY_COUNT"
     else

.config/shell/zshrc.d/0-plugins.zsh

@@ -2,19 +2,19 @@
 # Clone zgen if you haven't already
 check_zgen_installation() {
   if [[ -z "$ZGEN_PARENT_DIR" ]]; then
-    ZGEN_PARENT_DIR=${${XDG_CONFIG_HOME}:="$HOME/.config/"}
+    ZGEN_PARENT_DIR=${XDG_CONFIG_HOME:="$HOME/.config/"}
     ZGEN_DIR="$ZGEN_PARENT_DIR/zgen"
   fi
   if [[ ! -f $ZGEN_DIR/zgen.zsh ]]; then
     if [[ ! -d "$ZGEN_PARENT_DIR" ]]; then
       mkdir -p "$ZGEN_PARENT_DIR"
     fi
-    cd $ZGEN_PARENT_DIR || return
-    git clone https://github.com/tarjoilija/zgen.git $ZGEN_DIR
+    cd "$ZGEN_PARENT_DIR" || return
+    git clone https://github.com/tarjoilija/zgen.git "$ZGEN_DIR"
   fi
   # shellcheck source=/home/marty/.config/zgen/zgen.zsh
   # shellcheck disable=SC1091
-  source $ZGEN_DIR/zgen.zsh
+  source "$ZGEN_DIR"/zgen.zsh
   unset ZGEN_PARENT_DIR
 }
 

.config/shell/zshrc.d/6-mkcd.zsh

@@ -1,5 +1,5 @@
 #!/bin/zsh
 # mkdir & cd
-function mkcd {
+function mkcd() {
   mkdir -p "$@" && cd "$_" || return
 }

.config/shell/zshrc.d/6-newest-files.zsh

@@ -2,9 +2,9 @@
 # show newest files
 # http://www.commandlinefu.com/commands/view/9015/find-the-most-recently-changed-files-recursively
 newest() {
-  find . -type f -printf '%TY-%Tm-%Td %TT %p\n' | \
-  grep -v cache | \
-  grep -v '.hg' | grep -v '.git' | \
-  sort -r | \
+  find . -type f -printf '%TY-%Tm-%Td %TT %p\n' |
+    grep -v cache |
+    grep -v '.hg' | grep -v '.git' |
+    sort -r |
     less
 }

.config/shell/zshrc.d/9-configure-autocompletion.zsh

@@ -1,14 +1,15 @@
+#!/bin/zsh
+#
 # Speed up autocomplete, force prefix mapping
 zstyle ':completion:*' accept-exact '*(N)'
 zstyle ':completion:*' use-cache on
 zstyle ':completion:*' cache-path ~/.zsh/cache
 # shellcheck disable=SC2016
-zstyle -e ':completion:*:default' list-colors 'reply=("${PREFIX:+=(#bi)($PREFIX:t)*==34=34}:${(s.:.)LS_COLORS}")';
+zstyle -e ':completion:*:default' list-colors 'reply=("${PREFIX:+=(#bi)($PREFIX:t)*==34=34}:${(s.:.)LS_COLORS}")'
 
 # Load any custom zsh completions we've installed
 if [ -d ~/.zsh-completions ]; then
-  for completion in ~/.zsh-completions/*
-  do
+  for completion in ~/.zsh-completions/*; do
     # shellcheck source=/dev/null
     source "$completion"
   done

.config/shell/zshrc.d/9-deduplicate-path-variable.zsh

@@ -5,20 +5,18 @@
 
 # In case a plugin adds a redundant path entry, remove duplicate entries
 # from PATH
-#
-# This snippet is from Mislav Marohnić <mislav.marohnic@gmail.com>'s
-# dotfiles repo at https://github.com/mislav/dotfiles
-dedupe_path() {
-  typeset -a paths result
-  paths=($path)
-
-  while [[ ${#paths} -gt 0 ]]; do
-    p="${paths[1]}"
-    shift paths
-    [[ -z ${paths[(r)$p]} ]] && result+="$p"
-  done
-
-  export PATH=${(j+:+)result}
+# from: https://unix.stackexchange.com/questions/40749/remove-duplicate-path-entries-with-awk-command
+get_var() {
+  eval 'printf "%s\n" "${'"$1"'}"'
 }
-
-dedupe_path
+set_var() {
+  eval "$1=\"\$2\""
+}
+dedup_pathvar() {
+  pathvar_name="$1"
+  pathvar_value="$(get_var "$pathvar_name")"
+  deduped_path="$(perl -e 'print join(":",grep { not $seen{$_}++ } split(/:/, $ARGV[0]))' "$pathvar_value")"
+  set_var "$pathvar_name" "$deduped_path"
+}
+dedup_pathvar PATH
+dedup_pathvar MANPATH