mirror of
https://github.com/ItsDrike/nixdots
synced 2024-09-20 09:29:41 +00:00
289 lines
8.1 KiB
Bash
289 lines
8.1 KiB
Bash
# Nix configuration doesn't support defining function, so do it here
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# Show application listening on given port
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port() {
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sudo netstat -pln | grep "$1" | awk '{print $NF}'
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}
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# Create a new directory and enter it
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mkd() {
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# shellcheck disable=SC2164
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mkdir -p "$1" && cd "$1";
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}
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# `o` with no arguments opens the current directory, otherwise opens the given
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# location
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o() {
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if [ $# -eq 0 ]; then
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open .;
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else
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open "$@";
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fi;
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}
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# Use bat for nicer git diffs
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batdiff() {
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git diff --name-only --diff-filter=d | xargs bat --diff
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}
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# Determine size of a file or total size of a directory
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dirsize() {
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if du -b /dev/null > /dev/null 2>&1; then
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arg=-sbh;
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else
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arg=-sh;
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fi
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if [[ -n "$*" ]]; then
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\du $arg -- "$@";
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else
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\du $arg .[^.]* ./*;
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fi;
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}
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randmac() {
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sudo ip link set dev "$1" down
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sudo macchanger -A "$1"
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sudo ip link set dev "$1" up
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}
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# Go to the root of a git tree
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cdgit () {
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if [ "$(git rev-parse --is-inside-work-tree > /dev/null 2>&1)" -eq 0 ]; then
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while ! [ -d .git ]; do
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cd ..
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done
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return 0
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else
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echo "Not a git directory"
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return 1
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fi
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}
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# Create a data URL from a file
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dataurl() {
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mimeType="$(file -b --mime-type "$1")"
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if echo "$mimeType" | grep -e "^text/.*$" >/dev/null; then
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mimeType="${mimeType};charset=utf-8"
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fi
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echo "data:${mimeType};base64,$(openssl base64 -in "$1" | tr -d '\n')";
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}
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# `tre` is a shorthand for `tree` with hidden files and color enabled, ignoring
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# the `.git` directory, listing directories first. The output gets piped into
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# `less` with options to preserve color and line numbers, unless the output is
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# small enough for one screen.
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tre() {
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tree -I '.git|node_modules|bower_components' --group-directories-first "$@" | less -FRNX;
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}
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# Show all the names (CNs and SANs) listed in the SSL certificate
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# for a given domain
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getcertnames() {
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if [ -z "${1}" ]; then
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echo "ERROR: No domain specified.";
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return 1;
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fi;
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domain="${1}";
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echo "Testing ${domain}…";
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echo ""; # newline
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tmp=$(echo -e "GET / HTTP/1.0\nEOT" \
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| openssl s_client -connect "${domain}:443" -servername "${domain}" 2>&1);
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if [[ "${tmp}" = *"-----BEGIN CERTIFICATE-----"* ]]; then
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certText=$(echo "${tmp}" \
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| openssl x509 -text -certopt "no_aux, no_header, no_issuer, no_pubkey, \
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no_serial, no_sigdump, no_signame, no_validity, no_version");
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echo "Common Name:";
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echo ""; # newline
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echo "${certText}" | grep "Subject:" | sed -e "s/^.*CN=//" | sed -e "s/\/emailAddress=.*//";
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echo ""; # newline
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echo "Subject Alternative Name(s):";
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echo ""; # newline
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echo "${certText}" | grep -A 1 "Subject Alternative Name:" \
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| sed -e "2s/DNS://g" -e "s/ //g" | tr "," "\n" | tail -n +2;
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return 0;
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else
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echo "ERROR: Certificate not found.";
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return 1;
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fi;
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}
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# Compare original and gzipped file size
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gz_compare() {
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origsize=$(wc -c < "$1");
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gzipsize=$(gzip -c "$1" | wc -c);
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ratio=$(echo "$gzipsize * 100 / $origsize" | bc -l);
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printf "orig: %d bytes\n" "$origsize";
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printf "gzip: %d bytes (%2.2f%%)\n" "$gzipsize" "$ratio";
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}
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# Extract almost any archive
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extract() {
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if [ -z "$1" ]; then
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# display usage if no parameters given
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echo "Usage: extract <path/file_name>.<zip|rar|bz2|gz|tar|tbz2|tgz|Z|7z|xz|ex|tar.bz2|tar.gz|tar.xz>"
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echo " extract <path/file_name_1.ext> [path/file_name_2.ext] [path/file_name_3.ext]"
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return 1
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else
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for n in "$@"
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do
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if [ -f "$n" ] ; then
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case "${n%,}" in
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*.tar.bz2|*.tar.gz|*.tar.xz|*.tbz2|*.tgz|*.txz|*.tar)
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tar xvf "$n" ;;
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*.lzma) unlzma ./"$n" ;;
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*.bz2) bunzip2 ./"$n" ;;
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*.rar) unrar x -ad ./"$n" ;;
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*.gz) gunzip ./"$n" ;;
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*.zip) unzip ./"$n" ;;
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*.z) uncompress ./"$n" ;;
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*.7z|*.arj|*.cab|*.chm|*.deb|*.dmg|*.iso|*.lzh|*.msi|*.rpm|*.udf|*.wim|*.xar)
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7z x ./"$n" ;;
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*.xz) unxz ./"$n" ;;
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*.exe) cabextract ./"$n" ;;
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*)
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echo "extract: '$n' - unknown archive method"
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return 1
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;;
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esac
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else
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echo "'$n' - file does not exist"
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return 1
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fi
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done
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fi
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}
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# Create a .tar.gz archive, using `zopfli`, `pigz` or `gzip` for compression
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targz() {
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# Combine given names spearated with spaces as the filename
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tmpFile="${*%/}.tar"
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tar -cvf "${tmpFile}" "${@}" || return 1
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size=$(
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stat -f"%z" "${tmpFile}" 2> /dev/null; # macOS `stat`
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stat -c"%s" "${tmpFile}" 2> /dev/null; # GNU `stat`
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);
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cmd="";
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if (( size < 52428800 )) && hash zopfli 2> /dev/null; then
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# the .tar file is smaller than 50 MB and Zopfli is available; use it
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cmd="zopfli";
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else
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if hash pigz 2> /dev/null; then
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cmd="pigz";
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else
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cmd="gzip";
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fi;
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fi;
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echo "Compressing .tar ($((size / 1000)) kB) using \`${cmd}\`…";
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"${cmd}" -v "${tmpFile}" || return 1;
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[ -f "${tmpFile}" ] && rm "${tmpFile}";
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zippedSize=$(
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stat -f"%z" "${tmpFile}.gz" 2> /dev/null; # macOS `stat`
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stat -c"%s" "${tmpFile}.gz" 2> /dev/null; # GNU `stat`
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);
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echo "${tmpFile}.gz ($((zippedSize / 1000)) kB) created successfully.";
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}
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anonymize() {
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# Reset the prompt on initial run to allow this script
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# to be ran multiple times without user having to reload
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# PS1 manually
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# shellcheck source=/home/itsdrike/.config/zsh/rc/prompt
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. "${XDG_CONFIG_DIR:-$HOME/.config}/zsh/rc/prompt.zsh"
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# Regular expression to match 0-255 numbers (color)
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color_int_re='^(0+)?([0-9]{1,2}|1[0-9]{2}|2[0-4][0-9]|25[0-5])$'
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# Defaults
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NAME="%n"
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MACHINE=""
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#NAME_COLOR="%F{047}"
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NAME_COLOR="%F{172}"
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#DIR_COLOR="%F{027}"
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DIR_COLOR="%F{158}"
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AT_COLOR="%F{004}"
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MACHINE_COLOR="%F{070}"
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while [ $# -gt 0 ]; do
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key=$1
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case $key in
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-n|--name)
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NAME=$2
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shift
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shift
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;;
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-m|--machine)
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MACHINE=$2
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shift
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shift
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;;
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-nc|--name-color)
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if [[ $2 =~ $color_int_re ]]; then
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NAME_COLOR="%F{$2}"
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else
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NAME_COLOR=$2
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fi
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shift
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shift
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;;
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-dc|--dir-color)
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if [[ $2 =~ $color_int_re ]]; then
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DIR_COLOR="%F{$2}"
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else
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DIR_COLOR=$2
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fi
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shift
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shift
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;;
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-mc|--machine-color)
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if [[ $2 =~ $color_int_re ]]; then
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MACHINE_COLOR="%F{$2}"
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else
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MACHINE_COLOR=$2
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fi
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shift
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shift
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;;
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-ac|--at-color)
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if [[ $2 =~ $color_int_re ]]; then
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AT_COLOR="%F{$2}"
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else
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AT_COLOR=$2
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fi
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shift
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shift
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;;
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*)
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echo "Unrecognized argument: $key"
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echo "Arguments: -n|--name, -m|--machine, -nc|--name-color, -dc|--dir-color, -mc|--machine-color, -ac|--at-color"
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return 1
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;;
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esac
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done
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OLD_LINE="%F{047}%n%f %F{027}"
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[ -n "$NAME" ] && NEW_LINE="${NAME_COLOR}${NAME}"
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[ -n "$NAME" ] && [ -n "$MACHINE" ] && NEW_LINE="${NEW_LINE}${AT_COLOR}@"
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[ -n "$MACHINE" ] && NEW_LINE="${NEW_LINE}${MACHINE_COLOR}${MACHINE}"
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[ -n "$NAME" ] || [ -n "$MACHINE" ] && NEW_LINE="${NEW_LINE}%f "
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NEW_LINE="${NEW_LINE}${DIR_COLOR}"
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# Use new anonymized name, machine and colors in PS1
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PS1=${PS1/"$OLD_LINE"/"$NEW_LINE"}
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}
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