fix linting issues

Author: ndbroadbent

.cspell.json

@@ -13,6 +13,7 @@
     "afplay",
     "convox",
     "greadlink",
+    "gsed",
     "mplayer",
     "ndbroadbent",
     "osascript",

bashrc/functions.sh

@@ -3,7 +3,7 @@ restart_loop() (
   trap true INT;
   while
     echo "Starting $1..."
-    eval "${@:2}"
+    "${@:2}"
     sleep 0.5
   do
     continue
@@ -194,8 +194,8 @@ rspec_show_affected_files() {
 
     for file in $(git show --pretty="format:" --name-only "$@" | \grep -v '^$'); do
         if [[ "$file" == spec/* ]]; then
-            let f++;
-            export "$git_env_char"$f="$file";
+            (( f++ ))
+            export "$GIT_ENV_CHAR"$f="$file";
             echo -e "#     \033[2;37m[\033[0m$f\033[2;37m]\033[0m $file";
             spec_files+=("$file");
         fi

bashrc/git_completions.sh

@@ -21,9 +21,9 @@ __define_git_completion() {
       local cur words cword prev
       _get_comp_words_by_ref -n =: cur words cword prev
       COMP_LINE=\"git ${cmd} \${COMP_LINE/${alias_name} }\"
-      let COMP_POINT+=$((4+${#cmd}-${#alias_name}))
+      (( COMP_POINT+=$((4+${#cmd}-${#alias_name})) ))
       COMP_WORDS=(git ${cmd} \"\${COMP_WORDS[@]:1}\")
-      let COMP_CWORD+=1
+      (( COMP_CWORD+=1 ))
       __git_wrap__git_main
     }
   "