*: address shellcheck SC2046

Author: scop

bash_completion

@@ -813,7 +813,7 @@ __parse_options()
 #
 _parse_help()
 {
-    eval local cmd=$(quote "$1")
+    eval local cmd="$(quote "$1")"
     local line
     { case $cmd in
         -) cat ;;
@@ -838,7 +838,7 @@ _parse_help()
 #
 _parse_usage()
 {
-    eval local cmd=$(quote "$1")
+    eval local cmd="$(quote "$1")"
     local line match option i char
     { case $cmd in
         -) cat ;;
@@ -1034,7 +1034,7 @@ _tilde()
 __expand_tilde_by_ref()
 {
     if [[ ${!1} == \~* ]]; then
-        eval $1=$(printf ~%q "${!1#\~}")
+        eval $1="$(printf ~%q "${!1#\~}")"
     fi
 } # __expand_tilde_by_ref()
 
@@ -1050,7 +1050,7 @@ _expand()
     if [[ "$cur" == \~*/* ]]; then
         __expand_tilde_by_ref cur
     elif [[ "$cur" == \~* ]]; then
-        _tilde "$cur" || eval COMPREPLY[0]=$(printf ~%q "${COMPREPLY[0]#\~}")
+        _tilde "$cur" || eval COMPREPLY[0]="$(printf ~%q "${COMPREPLY[0]#\~}")"
         return ${#COMPREPLY[@]}
     fi
 }
@@ -1565,10 +1565,10 @@ _known_hosts_real()
     cur=${!OPTIND}; (( OPTIND += 1 ))
     if [[ $# -ge $OPTIND ]]; then
         echo "bash_completion: $FUNCNAME($*): unprocessed arguments:" \
-             $(while [[ $# -ge $OPTIND ]]; do
-                   printf '%s\n' ${!OPTIND}
+             "$(while [[ $# -ge $OPTIND ]]; do
+                   printf '%s ' ${!OPTIND}
                    shift
-               done) >&2
+               done)" >&2
         return 1
     fi
 

completions/7z

@@ -109,9 +109,9 @@ _7z()
     else
         if [[ ${words[1]} == d ]]; then
             local IFS=$'\n'
-            COMPREPLY=( $(compgen -W "$(printf '%s\n' $($1 l ${words[2]} \
+            COMPREPLY=( $(compgen -W "$(printf '%s\n' "$($1 l ${words[2]} \
                 -slt 2>/dev/null | command sed -n '/^Path =/s/^Path = \(.*\)$/\1/p' \
-                2>/dev/null | tail -n+2))" -- "$cur") )
+                2>/dev/null | tail -n+2)")" -- "$cur") )
             compopt -o filenames
         else
             _filedir

completions/mutt

@@ -55,7 +55,7 @@ _muttconffiles()
     sofar=" $1 "
     shift
     while [[ "$1" ]]; do
-        newconffiles=( $(command sed -n 's|^source[[:space:]]\{1,\}\([^[:space:]]\{1,\}\).*$|\1|p' $(eval printf %s $1) ) )
+        newconffiles=( $(command sed -n 's|^source[[:space:]]\{1,\}\([^[:space:]]\{1,\}\).*$|\1|p' "$(eval printf %s $1)" ) )
         for file in "${newconffiles[@]}"; do
             __expand_tilde_by_ref file
             [[ ! -f "$file" || $sofar == *\ $file\ * ]] && continue
@@ -78,8 +78,9 @@ _muttaliases()
     [[ -z $muttrc ]] && return
 
     conffiles=( $(eval _muttconffiles $muttrc $muttrc) )
-    aliases=( $(command sed -n 's|^alias[[:space:]]\{1,\}\([^[:space:]]\{1,\}\).*$|\1|p' \
-        $(eval echo "${conffiles[@]}")) )
+    # shellcheck disable=SC2046
+    aliases=( "$(command sed -n 's|^alias[[:space:]]\{1,\}\([^[:space:]]\{1,\}\).*$|\1|p' \
+        $(eval echo "${conffiles[@]}"))" )
     COMPREPLY+=( $(compgen -W "${aliases[*]}" -- "$cur") )
 }
 

completions/pkgadd

@@ -49,8 +49,8 @@ _pkgadd ()
                     done
                     pkginst_list="${tmplist[*]}"
                 else
-                    pkginst_list=$(strings $(dequote $device) | \
-                        command grep "^PKG=" | sort -u | cut -d= -f2)
+                    pkginst_list="$(strings "$(dequote $device)" | \
+                        command grep ^PKG= | sort -u | cut -d= -f2)"
             fi
             COMPREPLY=( $(compgen -W "$pkginst_list" -- ${cur}) )
         fi