X-Git-Url: https://glassweightruler.freedombox.rocks/gitweb/xdg-ninja.git/blobdiff_plain/6e5dea2c81607d88265bd663c41011ff4aba2709..4e9316b332eaa0ed5832a1246878dd6b015cb038:/xdg-ninja.sh

diff --git a/xdg-ninja.sh b/xdg-ninja.sh
index 5540516..94a8969 100755
--- a/xdg-ninja.sh
+++ b/xdg-ninja.sh
@@ -1,11 +1,17 @@
-#!/usr/bin/env bash
-
-USE_GLOW=true
-if ! command -v glow &>/dev/null; then
-    echo "Glow not found, markdown rendering not available."
-    echo "Output will be raw markdown and might look weird."
-    echo "Install glow for easier reading & copy-paste."
-    USE_GLOW=false
+#!/usr/bin/env sh
+
+USE_GLOW=false
+USE_BAT=false
+if command -v glow >/dev/null 2>/dev/null; then
+    USE_GLOW=true
+elif command -v bat >/dev/null 2>/dev/null; then
+    USE_BAT=true
+    printf "Glow not found, markdown rendering will be done by bat.\n"
+    printf "Install glow for easier reading & copy-paste.\n"
+else
+    printf "Glow or bat not found, markdown rendering not available.\n"
+    printf "Output will be raw markdown and might look weird.\n"
+    printf "Install glow for easier reading & copy-paste.\n"
 fi
 
 unalias -a
@@ -13,84 +19,91 @@ unalias -a
 HELPSTRING="""\
 
 
-    \e[37;45;1mxdg-ninja\e[0m
+    \033[37;45;1mxdg-ninja\033[0m
 
-    \e[1;3mCheck your \$HOME for unwanted files.\e[1;0m
+    \033[1;3mCheck your \$HOME for unwanted files.\033[1;0m
 
     ────────────────────────────────────
 
-    \e[3m--help\e[0m              \e[1mThis help menu\e[0m
-    \e[3m-h\e[0m
+    \033[3m--help\033[0m              \033[1mThis help menu\033[0m
+    \033[3m-h\033[0m
 
-    \e[3m--no-skip-ok\e[0m        \e[1mDisplay messages for all files checked (verbose)\e[0m
-    \e[3m-v\e[0m
+    \033[3m--no-skip-ok\033[0m        \033[1mDisplay messages for all files checked (verbose)\033[0m
+    \033[3m-v\033[0m
 
-    \e[3m--skip-ok\e[0m           \e[1mDon't display anything for files that do not exist (default)\e[0m
+    \033[3m--skip-ok\033[0m           \033[1mDon't display anything for files that do not exist (default)\033[0m
 
 """
 
 SKIP_OK=true
 for i in "$@"; do
-    if [[ $i == "--help" ]] || [[ $i == "-h" ]]; then
-        echo -e "$HELPSTRING"
+    if [ "$i" = "--help" ] || [ "$i" = "-h" ]; then
+        printf "%b" "$HELPSTRING"
         exit
-    elif [[ $i == "--skip-ok" ]]; then
+    elif [ "$i" = "--skip-ok" ]; then
         SKIP_OK=true
-    elif [[ $i == "--no-skip-ok" ]]; then
+    elif [ "$i" = "--no-skip-ok" ]; then
         SKIP_OK=false
-    elif [[ $i == "-v" ]]; then
+    elif [ "$i" = "-v" ]; then
         SKIP_OK=false
     fi
 done
 
-if [[ -z "${XDG_DATA_HOME}" ]]; then
-    printf '\e[1;36m%s\e[1;0m\n' "The \$XDG_DATA_HOME environment variable is not set, make sure to add it to your shell's configuration before setting any of the other environment variables!"
-    printf '\e[1;36m    ⤷ \e[1mThe recommended value is: \e[1;3m$HOME/.local/share\e[1;0m\n'
+if [ -z "${XDG_DATA_HOME}" ]; then
+    printf '\033[1;36m%s\033[1;0m\n' "The \$XDG_DATA_HOME environment variable is not set, make sure to add it to your shell's configuration before setting any of the other environment variables!"
+    printf "\033[1;36m    ⤷ \033[1mThe recommended value is: \033[1;3m\$HOME/.local/share\033[1;0m\n"
 fi
-if [[ -z "${XDG_CONFIG_HOME}" ]]; then
-    printf '\e[1;36m%s\e[1;0m\n' "The \$XDG_CONFIG_HOME environment variable is not set, make sure to add it to your shell's configuration before setting any of the other environment variables!"
-    printf '\e[1;36m    ⤷ \e[1mThe recommended value is: \e[1;3m$HOME/.config\e[1;0m\n'
+if [ -z "${XDG_CONFIG_HOME}" ]; then
+    printf '\033[1;36m%s\033[1;0m\n' "The \$XDG_CONFIG_HOME environment variable is not set, make sure to add it to your shell's configuration before setting any of the other environment variables!"
+    printf "\033[1;36m    ⤷ \033[1mThe recommended value is: \033[1;3m\$HOME/.config\033[1;0m\n"
 fi
-if [[ -z "${XDG_STATE_HOME}" ]]; then
-    printf '\e[1;36m%s\e[1;0m\n' "The \$XDG_STATE_HOME environment variable is not set, make sure to add it to your shell's configuration before setting any of the other environment variables!"
-    printf '\e[1;36m    ⤷ \e[1mThe recommended value is: \e[1;3m$HOME/.local/state\e[1;0m\n'
+if [ -z "${XDG_STATE_HOME}" ]; then
+    printf '\033[1;36m%s\033[1;0m\n' "The \$XDG_STATE_HOME environment variable is not set, make sure to add it to your shell's configuration before setting any of the other environment variables!"
+    printf "\033[1;36m    ⤷ \033[1mThe recommended value is: \033[1;3m\$HOME/.local/state\033[1;0m\n"
 fi
-if [[ -z "${XDG_CACHE_HOME}" ]]; then
-    printf '\e[1;36m%s\e[1;0m\n' "The \$XDG_CACHE_HOME environment variable is not set, make sure to add it to your shell's configuration before setting any of the other environment variables!"
-    printf '\e[1;36m    ⤷ \e[1mThe recommended value is: \e[1;3m$HOME/.cache\e[1;0m\n'
+if [ -z "${XDG_CACHE_HOME}" ]; then
+    printf '\033[1;36m%s\033[1;0m\n' "The \$XDG_CACHE_HOME environment variable is not set, make sure to add it to your shell's configuration before setting any of the other environment variables!"
+    printf "\033[1;36m    ⤷ \033[1mThe recommended value is: \033[1;3m\$HOME/.cache\033[1;0m\n"
 fi
-if [[ -z "${XDG_RUNTIME_DIR}" ]]; then
-    printf '\e[1;36m%s\e[1;0m\n' "The \$XDG_RUNTIME_DIR environment variable is not set, make sure to add it to your shell's configuration before setting any of the other environment variables!"
-    printf '\e[1;36m    ⤷ \e[1mThe recommended value is: \e[1;3m/run/user/$UID\e[1;0m\n'
+if [ -z "${XDG_RUNTIME_DIR}" ]; then
+    printf '\033[1;36m%s\033[1;0m\n' "The \$XDG_RUNTIME_DIR environment variable is not set, make sure to add it to your shell's configuration before setting any of the other environment variables!"
+    printf "\033[1;36m    ⤷ \033[1mThe recommended value is: \033[1;3m/run/user/\$UID\033[1;0m\n"
 fi
 
-if ! command -v jq &>/dev/null; then
-    echo "jq is needed to run this script, but it wasn't found. Please install it to be able to use this script."
+if ! command -v jq >/dev/null 2>/dev/null; then
+    printf "jq is needed to run this script, but it wasn't found. Please install it to be able to use this script.\n"
     exit
 fi
 
+printf "\n"
+
 # Function to expand environment variables in string
 # https://stackoverflow.com/a/20316582/11110290
 apply_shell_expansion() {
-    declare data="$1"
-    declare delimiter="__apply_shell_expansion_delimiter__"
-    declare command="cat <<$delimiter"$'\n'"$data"$'\n'"$delimiter"
+    data="$1"
+    delimiter="__apply_shell_expansion_delimiter__"
+    command=$(printf "cat <<%s\n%s\n%s" "$delimiter" "$data" "$delimiter")
     eval "$command"
 }
 
 # Returns 0 if the path doesn't lead anywhere
-# Return 1 if the path points to a file, 2 if it points to a directory
-check_not_exists_file() {
+# Returns 1 if the path leads to something
+check_if_file_exists() {
     FILE_PATH=$(apply_shell_expansion "$1")
-    if [ -f "$FILE_PATH" ]; then
+    if [ -e "$FILE_PATH" ]; then
         return 1
-    elif [ -d "$FILE_PATH" ]; then
-        return 2
     else
         return 0
     fi
 }
 
+decode_string() {
+    printf "%s" "$1" | sed -e 's/\\n/\
+/g' -e 's/\\\"/\"/g' -e '$ s/\n*$/\
+\
+/' # Replace \n with literal newline and \" with ", normalize number of trailing newlines to 2
+}
+
 # Function to handle the formatting of output
 log() {
     MODE="$1"
@@ -101,27 +114,29 @@ log() {
     case "$MODE" in
 
     ERR)
-        printf '[\e[1;31m%s\e[1;0m]: \e[1;3m%s\e[1;0m\n' "$NAME" "$FILENAME"
+        printf '[\033[1;31m%s\033[1;0m]: \033[1;3m%s\033[1;0m\n' "$NAME" "$FILENAME"
         ;;
 
     WARN)
-        printf '[\e[1;33m%s\e[1;0m]: \e[1;3m%s\e[1;0m\n' "$NAME" "$FILENAME"
+        printf '[\033[1;33m%s\033[1;0m]: \033[1;3m%s\033[1;0m\n' "$NAME" "$FILENAME"
         ;;
 
     INFO)
-        printf '[\e[1;36m%s\e[1;0m]: \e[1;3m%s\e[1;0m\n' "$NAME" "$FILENAME"
+        printf '[\033[1;36m%s\033[1;0m]: \033[1;3m%s\033[1;0m\n' "$NAME" "$FILENAME"
         ;;
 
     SUCS)
         [ "$SKIP_OK" = false ] &&
-            printf '[\e[1;32m%s\e[1;0m]: \e[1;3m%s\e[1;0m\n' "$NAME" "$FILENAME"
+            printf '[\033[1;32m%s\033[1;0m]: \033[1;3m%s\033[1;0m\n' "$NAME" "$FILENAME"
         ;;
 
     HELP)
-        if $USE_GLOW; then
-            echo "$HELP" | glow -
+        if [ "$USE_GLOW" = true ]; then
+            decode_string "$HELP" | glow -
+        elif [ "$USE_BAT" = true ]; then
+            decode_string "$HELP" | bat -pp --decorations=always --color=always --language markdown
         else
-            echo "$HELP"
+            decode_string "$HELP"
         fi
         ;;
 
@@ -130,14 +145,12 @@ log() {
 
 # Checks that the given file does not exist, otherwise outputs help
 check_file() {
-    INPUT="$1"
-    NAME="$2"
-
-    FILENAME=$(echo -E "$INPUT" | jq -r .path)
-    MOVABLE=$(echo -E "$INPUT" | jq -r .movable)
-    HELP=$(echo -E "$INPUT" | jq -r .help)
+    NAME="$1"
+    FILENAME="$2"
+    MOVABLE="$3"
+    HELP="$4"
 
-    check_not_exists_file "$FILENAME"
+    check_if_file_exists "$FILENAME"
 
     case $? in
 
@@ -145,8 +158,8 @@ check_file() {
         log SUCS "$NAME" "$FILENAME" "$HELP"
         ;;
 
-    1 | 2)
-        if "$MOVABLE"; then
+    1)
+        if [ "$MOVABLE" = true ]; then
             log ERR "$NAME" "$FILENAME" "$HELP"
         else
             log WARN "$NAME" "$FILENAME" "$HELP"
@@ -161,28 +174,25 @@ check_file() {
     esac
 }
 
-# Reads a file from programs/, calls check_file on each file specified for the program
-check_program() {
-    INPUT=$1
-
-    NAME=$(echo "$INPUT" | jq -r .name)
-
-    while IFS= read -r file; do
-        check_file "$file" "$NAME"
-    done <<<"$(echo "$INPUT" | jq -rc '.files[]')"
+# Reads files from programs/, calls check_file on each file specified for each program
+do_check_programs() {
+    while IFS="
+" read -r name; read -r filename; read -r movable; read -r help; do
+        check_file "$name" "$filename" "$movable" "$help"
+    done <<EOF
+$(jq 'inputs as $input | $input.files[] as $file | $input.name, $file.path, $file.movable, $file.help' "$(dirname "$0")"/programs/* | sed -e 's/^"//' -e 's/"$//')
+EOF
+# sed is to trim quotes
 }
 
-# Loops over all files in the programs/ directory and calls check_program
-enumerate_programs() {
-    echo -e "\e[1;3mStarting to check your \e[1;36m\$HOME.\e[1;0m"
-    echo -e ""
-	for prog_filename in "$(dirname "${BASH_SOURCE[0]}")"/programs/*; do
-        check_program "$(cat "$prog_filename")"
-    done
-    echo -e "\e[1;3mDone checking your \e[1;36m\$HOME.\e[1;0m"
-    echo -e ""
-    echo -e "\e[3mIf you have files in your \e[1;36m\$HOME\e[1;0m that shouldn't be there, but weren't recognised by xdg-ninja, please consider creating a configuration file for it and opening a pull request on github.\e[1;0m"
-    echo -e ""
+check_programs() {
+    printf "\033[1;3mStarting to check your \033[1;36m\$HOME.\033[1;0m\n"
+    printf "\n"
+    do_check_programs
+    printf "\033[1;3mDone checking your \033[1;36m\$HOME.\033[1;0m\n"
+    printf "\n"
+    printf "\033[3mIf you have files in your \033[1;36m\$HOME\033[1;0m that shouldn't be there, but weren't recognised by xdg-ninja, please consider creating a configuration file for it and opening a pull request on github.\033[1;0m\n"
+    printf "\n"
 }
 
-enumerate_programs
+check_programs