dotfiles/dotfiles/lib/shellenv/functions.sh

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function path_lines {
target=${1-PATH}
if is_zsh; then
echo ${(P)target} | tr ':' '\n'
else
echo ${!target} | tr ':' '\n'
fi
}
function _add_to_front_of_path_lines {
target=${2-PATH}
echo $1
path_lines $target | grep -Ev "^$1$"
}
function _add_to_back_of_path_lines {
target=${2-PATH}
path_lines $target | grep -Ev "^$1$"
echo $1
}
function remove_trailing_colon {
sed 's|:*$||'
}
function add_to_front_of_path {
target=${2-PATH}
export $target="$(_add_to_front_of_path_lines $1 $target | tr '\n' ':' | remove_trailing_colon)"
}
function add_to_back_of_path {
target=${2-PATH}
export $target="$(_add_to_back_of_path_lines $1 $target | tr '\n' ':' | remove_trailing_colon)"
}
function idem_add_to_front_of_path {
target=${2-PATH}
exists_in_path_var $1 $target || add_to_front_of_path $1 $target
}
function idem_add_to_back_of_path {
target=${2-PATH}
exists_in_path_var $1 $target || add_to_back_of_path $1 $target
}
function indirect_expand {
eval "value=\"\${$1}\""
echo $value
}
function environment_variable_exists {
eval "value=\"\${$1+x}\""
[ ! -z $value ]
}
function exists_in_path_var {
target=${2-PATH}
local path_contents="$(indirect_expand $target)"
[[ ":$path_contents:" == *":$1:"* ]]
}
function split_into_vars () {
local string IFS
string="$1"
IFS="$2"
shift 2
read -r -- "$@" <<EOF
$string
EOF
}
function echo_split () {
local IFS
IFS="$2" read -rA -- arr <<EOF
$1
EOF
for i in "${arr[@]}"; do
echo $i
done
}
function shell_contains () {
local e
for e in "${@:2}"; do [[ "$e" == "$1" ]] && return 0; done
return 1
}
function dotfiles_directory() {
echo $(dirname `readlink -f ~/.zshrc | xargs dirname`)
}
function go2dotfiles() {
cd $(dotfiles_directory)
}
function update_dotfiles() {
local old_pwd=$(pwd)
go2dotfiles
git ffo
cd $old_pwd
}
function current_shell() {
which "$(ps -p $$ | tail -1 | awk '{print $NF}' | sed 's/\-//')"
}
function is_zsh() {
[ ! -z ${ZSH_VERSION+x} ]
}
function git_diff_add() {
git status --porcelain | awk '{print $2}' | xargs -I filename sh -c "git du filename && git add filename"
}
function confirm() {
# call with a prompt string or use a default
read -r -p "$1" response
case $response in
[yY][eE][sS]|[yY])
return 0
;;
*)
return 1
;;
esac
}
function get_cols() {
FS=' '
OPTIND=1
while getopts "F:" OPTCHAR; do
case $OPTCHAR in
F)
FS=$OPTARG
;;
esac
done
shift $((OPTIND-1))
awk -f "$HOME/.lib/get_cols.awk" -v "cols=$*" -v "FS=$FS"
}
function find_all_ssh_agent_sockets() {
find /tmp -type s -name agent.\* 2> /dev/null | grep '/tmp/ssh-.*/agent.*'
}
function set_ssh_agent_socket() {
export SSH_AUTH_SOCK=$(find_all_ssh_agent_sockets | tail -n 1 | awk -F: '{print $1}')
}
# Determine size of a file or total size of a directory
function fs() {
if du -b /dev/null > /dev/null 2>&1; then
local arg=-sbh
else
local arg=-sh
fi
if [[ -n "$@" ]]; then
du $arg -- "$@"
else
du $arg .[^.]* *
fi
}
# Start an HTTP server from a directory, optionally specifying the port
function server() {
local port="${1:-8000}"
sleep 1 && open "http://localhost:${port}/" &
# Set the default Content-Type to `text/plain` instead of `application/octet-stream`
# And serve everything as UTF-8 (although not technically correct, this doesnt break anything for binary files)
python -c $'import SimpleHTTPServer;\nmap = SimpleHTTPServer.SimpleHTTPRequestHandler.extensions_map;\nmap[""] = "text/plain";\nfor key, value in map.items():\n\tmap[key] = value + ";charset=UTF-8";\nSimpleHTTPServer.test();' "$port"
}
# All the dig info
function digga() {
dig +nocmd "$1" any +multiline +noall +answer
}
function shell_stats() {
history 0 | awk '{CMD[$2]++;count++;}END { for (a in CMD)print CMD[a] " " CMD[a]/count*100 "% " a;}' | grep -v "./" | column -c3 -s " " -t | sort -nr | nl | head -n20
}
function is_ssh() {
test $SSH_CLIENT
}
function is_osx() {
case `uname` in
'Darwin')
return 0
;;
*)
return 1;
;;
esac
}
# TODO: Remove this.
alias clipboard='oscopy'
function oscopy() {
if is_osx;
then
reattach-to-user-namespace pbcopy
else
test -n "$DISPLAY" && xclip -selection c
fi
}
function ospaste() {
if is_osx;
then
reattach-to-user-namespace pbpaste
else
xclip -o
fi
}
function git_root() {
cd "$(git root)"
}
function git_diff_replacing() {
local original_sha='HEAD~1'
local new_sha='HEAD'
OPTIND=1
while getopts "do:n:" OPTCHAR;
do
case $OPTCHAR in
o)
original_sha="$OPTARG"
;;
n)
new_sha="$OPTARG"
;;
d)
debug="true"
esac
done
shift $((OPTIND-1))
local replaced="$1"
local replacing="$2"
local replace_sha_string='$(echo filename | sed '"s:$replaced:$replacing:g"')'
test -z $debug || echo "Diffing from $original_sha to $new_sha, replacing $replaced with $replacing"
test -z $debug || git diff $original_sha $new_sha --name-only | grep -v "$replacing"
git diff $original_sha $new_sha --name-only | grep -v "$replacing" | xargs -I filename sh -c "git diff $original_sha:filename $new_sha:"$replace_sha_string
}
function git_reset_author() {
local should_update_command=''
local update_command=''
OPTIND=1
while getopts "a:e:A:E:h" OPTCHAR;
do
case $OPTCHAR in
a)
new_author="$OPTARG";
test -n "$update_command" && update_command="$update_command"' && '
update_command="$update_command"'export GIT_AUTHOR_NAME='"'$new_author'"' && export GIT_COMMITTER_NAME='"'$new_author'"
;;
A)
author_regex="$OPTARG";
test -n "$should_update_command" && should_update_command="$should_update_command"' && '
should_update_command=$should_update_command'[[ "$GIT_AUTHOR_NAME" =~ "'"$author_regex"'" ]]'
;;
e)
new_email="$OPTARG";
test -n "$update_command" && update_command="$update_command"' && '
update_command="$update_command"'export GIT_AUTHOR_EMAIL='"'$new_email'"' && export GIT_COMMITTER_EMAIL='"'$new_email'"
;;
E)
email_regex="$OPTARG";
test -n "$should_update_command" && should_update_command="$should_update_command"' && '
should_update_command=$should_update_command'[[ "$GIT_AUTHOR_EMAIL" =~ "'"$email_regex"'" ]]'
;;
h)
echo "Usage:
-a specify the new author/committer name.
-A specify a regex that will be used to filter commits by author name.
-e specify the new author/committer email.
-E specify a regex that will be used to filter commits by author email.
-h show this help message.
"
return
;;
esac
done
local filter_branch_command="$should_update_command"' && '"$update_command"' || test true'
git filter-branch -f --env-filter $filter_branch_command -- --all
}
alias git_reset_author_to_user='git_reset_author -a "$(git config --get user.name)" -e "$(git config --get user.email)" '
function set_osx_hostname() {
local new_hostname="${1-imalison}"
sudo scutil --set ComputerName $new_hostname
sudo scutil --set HostName $new_hostname
sudo scutil --set LocalHostName $new_hostname
sudo defaults write /Library/Preferences/SystemConfiguration/com.apple.smb.server NetBIOSName -string $new_hostname
}
function pip_package_location() {
pip show $1 | grep Location | get_cols 2
}
function set_modifier_keys_on_all_keyboards() {
for vendor_product_id in $(get_keyboard_vendor_id_product_id_pairs | tr " " "-"); do
set_modifier_keys_for_vendor_product_id $vendor_product_id 0 2; echo $vendor_product_id;
done;
}
function get_keyboard_vendor_id_product_id_pairs() {
ioreg -n IOHIDKeyboard -r | grep -e 'class IOHIDKeyboard' -e VendorID\" -e Product | gawk 'BEGIN { RS = "class IOHIDKeyboard" } match($0, /VendorID. = ([0-9]*)/, arr) { printf arr[1]} match($0, /ProductID. = ([0-9]*)/, arr) { printf " %s\n", arr[1]} '
}
function git_config_string() {
git config -f $1 --list | xargs -I kv printf '-c \"%s\" ' kv
}
function talk_dirty_to_me() {
python - <<EOF
from random import randrange
import re
import urllib
def talk_dirty_to_me():
socket = urllib.urlopen("http://www.youporn.com/random/video/")
htmlSource = socket.read()
socket.close()
result = re.findall('<p class="message">((?:.|\\n)*?)</p>', htmlSource)
if len(result):
print result[randrange(len(result))]
else:
talk_dirty_to_me()
talk_dirty_to_me()
EOF
}
function dirty_talk() {
while true; do talk_dirty_to_me | tee >(cat) | say; done
}
function track_modified {
local timestamp_file="/tmp/__track_modified_timestamp__"
touch $timestamp_file
stat $timestamp_file
echo "Press any key to execute find command"
read -r key
echo "Finding..."
find $1 -cnewer "$timestamp_file"
}
function python_module_path {
python -c "import os, $1; print(os.path.dirname($1.__file__))"
}
function mu4e_directory {
if is_osx; then
echo "$(brew --prefix mu)/share/emacs/site-lisp/mu4e"
else
# TODO: make this cleaner.
echo "/usr/share/emacs/site-lisp/mu4e"
fi
}
function timestamp {
date +%s
}
function parse_timestamp {
date -d "@$(echo $1 | cut -c -10)"
}
function clear_path {
export PATH="/bin:/usr/local/bin"
unset PATH_HELPER_RAN
unset ENVIRONMENT_SETUP_DONE
}
function refresh_config {
clear_path
source ~/.zshenv
source ~/.zshrc
}
function file_ends_with_newline {
[[ $(tail -c1 "$1" | wc -l) -gt 0 ]]
}
function add_authorized_key_to_host {
local command='test -e ~/.ssh/authorized_keys && [[ $(tail -c1 ~/.ssh/authorized_keys | wc -l) -gt 0 ]] || echo "\n" >> ~/.ssh/authorized_keys;'"echo $(cat ~/.ssh/id_rsa.pub) >> ~/.ssh/authorized_keys"
echo "Running:"
echo $command
ssh $1 "$command"
}
function add_ssh_key {
[[ $(tail -c1 ~/.ssh/authorized_keys | wc -l) -gt 0 ]] || echo "\n" >> ~/.ssh/authorized_keys;
echo $1 >> ~/.ssh/authorized_keys;
}
function git_free_ssh_rsync {
echo $1
rsync -avz -e "ssh -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null" --progress --exclude=".git/" $(readlink -f "$1") $2:$1
}
function project_sync {
git_free_ssh_rsync '~/Projects/'"$1"'/' $2
}
function android_sdk_directory {
if is_osx; then
brew --prefix android-sdk
fi
}
function pkill_zsh {
ps aux | grep "$1" | grep -v grep | get_cols 2 | xargs kill -9
}
function find_by_size {
find . -type f -size +$1
}
function get_git_project_name {
# "$(basename $(git rev-parse --show-toplevel))"
basename $(git remotes | get_cols 2 | head -n 1)
}
function add_github_remote {
local project_name="$(get_git_project_name)"
git remote add "$1" "git@github.com:$1/$project_name"
}
function define_jump_alias_with_completion {
eval "alias $1='jump_cd $2'"
compdef "_files -g '$2/*'" $1
}
function jump_cd {
if [[ $2 =~ ^/ ]]; then
cd $2
else
cd $1
cd $2
fi
}
function source_if_exists {
test -r "$1" && source "$1"
}