Trivial fixes for shellcheck warnings

misc/userscripts/cast

@@ -144,7 +144,7 @@ fi
 pkill -f "${program_}"
 
 # start youtube download in stream mode (-o -) into temporary file
-youtube-dl -qo - "$1" > ${file_to_cast} &
+youtube-dl -qo - "$1" > "${file_to_cast}" &
 ytdl_pid=$!
 
 msg info "Casting $1" >> "$QUTE_FIFO"
@@ -153,4 +153,4 @@ tail -F "${file_to_cast}" | ${program_} -
 
 # cleanup remaining background process and file on disk
 kill ${ytdl_pid}
-rm -rf ${tmpdir}
+rm -rf "${tmpdir}"

misc/userscripts/dmenu_qutebrowser

@@ -41,7 +41,7 @@
 [ -z "$QUTE_URL" ] && QUTE_URL='http://google.com'
 
 url=$(echo "$QUTE_URL" | cat - "$QUTE_CONFIG_DIR/quickmarks" "$QUTE_DATA_DIR/history" | dmenu -l 15 -p qutebrowser)
-url=$(echo "$url" | sed -E 's/[^ ]+ +//g' | egrep "https?:" || echo "$url")
+url=$(echo "$url" | sed -E 's/[^ ]+ +//g' | grep -E "https?:" || echo "$url")
 
 [ -z "${url// }" ] && exit
 

misc/userscripts/format_json

@@ -35,12 +35,12 @@ FILE_SIZE=$(ls -s --block-size=1048576 "$QUTE_TEXT" | cut -d' ' -f1)
 
 # use pygments to pretty-up the json (syntax highlight) if file is less than 10MB
 if [ "$FILE_SIZE" -lt "10" ]; then
-    FORMATTED_JSON="$(echo "$FORMATTED_JSON" | pygmentize -l json -f html -O full,style=$STYLE)"
+    FORMATTED_JSON="$(echo "$FORMATTED_JSON" | pygmentize -l json -f html -O full,style="$STYLE")"
 fi
 
 # create a temp file and write the formatted json to that file
 TEMP_FILE="$(mktemp --suffix '.html')"
-echo "$FORMATTED_JSON" > $TEMP_FILE
+echo "$FORMATTED_JSON" > "$TEMP_FILE"
 
 
 # send the command to qutebrowser to open the new file containing the formatted json

misc/userscripts/open_download

@@ -92,7 +92,7 @@ if [ "${#entries[@]}" -eq 0 ] ; then
     die "Download directory »${DOWNLOAD_DIR}« empty"
 fi
 
-line=$(printf "%s\n" "${entries[@]}"  \
+line=$(printf '%s\n' "${entries[@]}"  \
        | crop-first-column 55 \
        | column -s $'\t' -t \
        | $ROFI_CMD "${rofi_default_args[@]}" "$ROFI_ARGS") || true

misc/userscripts/password_fill

@@ -178,7 +178,7 @@ choose_entry_menu() {
     if [ "$nr" -eq 1 ] && ! ((menu_if_one_entry)) ; then
         file="${files[0]}"
     else
-        file=$( printf "%s\n" "${files[@]}" | "${MENU_COMMAND[@]}" )
+        file=$( printf '%s\n' "${files[@]}" | "${MENU_COMMAND[@]}" )
     fi
 }
 
@@ -303,6 +303,7 @@ pass_backend
 QUTE_CONFIG_DIR=${QUTE_CONFIG_DIR:-${XDG_CONFIG_HOME:-$HOME/.config}/qutebrowser/}
 PWFILL_CONFIG=${PWFILL_CONFIG:-${QUTE_CONFIG_DIR}/password_fill_rc}
 if [ -f "$PWFILL_CONFIG" ] ; then
+    # shellcheck source=/dev/null
     source "$PWFILL_CONFIG"
 fi
 init
@@ -311,7 +312,7 @@ simplify_url "$QUTE_URL"
 query_entries "${simple_url}"
 no_entries_found
 # remove duplicates
-mapfile -t files < <(printf "%s\n" "${files[@]}" | sort | uniq )
+mapfile -t files < <(printf '%s\n' "${files[@]}" | sort | uniq )
 choose_entry
 if [ -z "$file" ] ; then
     # choose_entry didn't want any of these entries

misc/userscripts/qutedmenu

@@ -39,6 +39,7 @@ get_selection() {
 
 [[ $font ]] && opts+=(-fn "$font")
 
+# shellcheck source=/dev/null
 [[ -s $optsfile ]] && source "$optsfile"
 
 url=$(get_selection)

misc/userscripts/rss

@@ -32,7 +32,7 @@ add_feed () {
     if grep -Fq "$1" "feeds"; then
         notice "$1 is saved already."
     else
-        printf "%s\n" "$1" >> "feeds"
+        printf '%s\n' "$1" >> "feeds"
     fi
 }
 
@@ -57,7 +57,7 @@ notice () {
 
 # Update a database of a feed and open new URLs
 read_items () {
-    cd read_urls
+    cd read_urls || return
     feed_file="$(echo "$1" | tr -d /)"
     feed_temp_file="$(mktemp "$feed_file.tmp.XXXXXXXXXX")"
     feed_new_items="$(mktemp "$feed_file.new.XXXXXXXXXX")"
@@ -75,7 +75,7 @@ read_items () {
         cat "$feed_new_items" >> "$feed_file"
         sort -o "$feed_file" "$feed_file"
         rm "$feed_temp_file" "$feed_new_items"
-    fi | while read item; do
+    fi | while read -r item; do
         echo "open -t $item" > "$QUTE_FIFO"
     done
 }
@@ -85,7 +85,7 @@ if [ ! -d "$config_dir/read_urls" ]; then
     mkdir -p "$config_dir/read_urls"
 fi
 
-cd "$config_dir"
+cd "$config_dir" || exit
 
 if [ $# != 0 ]; then
     for arg in "$@"; do
@@ -115,7 +115,7 @@ if < /dev/null grep --help 2>&1 | grep -q -- -a; then
     text_only="-a"
 fi
 
-while read feed_url; do
+while read -r feed_url; do
     read_items "$feed_url" &
 done < "$config_dir/feeds"
 

scripts/dev/ci/travis_backtrace.sh

@@ -6,7 +6,7 @@
 
 case $TESTENV in
     py3*-pyqt*)
-        exe=$(readlink -f .tox/$TESTENV/bin/python)
+        exe=$(readlink -f ".tox/$TESTENV/bin/python")
         full=
         ;;
     *)

scripts/dev/ci/travis_install.sh

@@ -21,13 +21,13 @@
 # Stolen from https://github.com/travis-ci/travis-build/blob/master/lib/travis/build/templates/header.sh
 # and adjusted to use ((...))
 travis_retry() {
-    local ANSI_RED="\033[31;1m"
-    local ANSI_RESET="\033[0m"
+    local ANSI_RED='\033[31;1m'
+    local ANSI_RESET='\033[0m'
     local result=0
     local count=1
     while (( count < 3 )); do
         if (( result != 0 )); then
-            echo -e "\n${ANSI_RED}The command \"$*\" failed. Retrying, $count of 3.${ANSI_RESET}\n" >&2
+            echo -e "\\n${ANSI_RED}The command \"$*\" failed. Retrying, $count of 3.${ANSI_RESET}\\n" >&2
         fi
         "$@"
         result=$?
@@ -37,7 +37,7 @@ travis_retry() {
     done
 
     if (( count > 3 )); then
-        echo -e "\n${ANSI_RED}The command \"$*\" failed 3 times.${ANSI_RESET}\n" >&2
+        echo -e "\\n${ANSI_RED}The command \"$*\" failed 3 times.${ANSI_RESET}\\n" >&2
     fi
 
     return $result

scripts/dev/download_release.sh

@@ -11,7 +11,7 @@ if [[ $# != 1 ]]; then
     exit 1
 fi
 
-cd "$tmpdir"
+cd "$tmpdir" || exit
 mkdir windows
 
 base="https://github.com/qutebrowser/qutebrowser/releases/download/v$1"
@@ -21,13 +21,13 @@ wget "$base/qutebrowser-$1.tar.gz.asc" || exit 1
 wget "$base/qutebrowser-$1.dmg" || exit 1
 wget "$base/qutebrowser_${1}-1_all.deb" || exit 1
 
-cd windows
+cd windows || exit
 wget "$base/qutebrowser-${1}-amd64.msi" || exit 1
 wget "$base/qutebrowser-${1}-win32.msi" || exit 1
 wget "$base/qutebrowser-${1}-windows-standalone-amd64.zip" || exit 1
 wget "$base/qutebrowser-${1}-windows-standalone-win32.zip" || exit 1
 
 dest="/srv/http/qutebrowser/releases/v$1"
-cd "$oldpwd"
+cd "$oldpwd" || exit
 sudo mv "$tmpdir" "$dest"
 sudo chown -R http:http "$dest"