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# E.g. after `.mkshrc` is called, perhaps in `~/.mkshrc.local`
# export GOPATH=$HOME/code/gopath
# export GOROOT=$HOME/go/1.13.5
# set_go
set_go() {
export GOPATH="${GOPATH:-$HOME/go}"
export PATH="$GOPATH/bin:$PATH"
GOROOT="${GOROOT:-/usr/local/go}"
_gobin="${GOROOT}/bin"
if [ -e "$_gobin" ] ; then
export PATH="$_gobin:$PATH"
fi
}
set_editor() {
if [ -z "$EDITORS" ] ; then
export EDITORS="ed vi vim"
fi
export EDITOR="$(which $EDITORS 2>/dev/null | tail -n1)"
export VISUAL="$EDITOR"
# Set an alias for our editor of choice
alias vi="$EDITOR"
alias vim="$EDITOR"
alias edit="$EDITOR"
alias e="$EDITOR"
}
set_pager() {
export PAGER="$(which cat more less 2>/dev/null | tail -n1)"
}
set_lang() {
export CHARSET="$1";
export LANG="$1";
}
# Usage debugstarttls $ipaddr:$port
debugstarttls() {
openssl s_client -starttls smtp -crlf -connect "$1" "$2"
}
randmacgen() {
if [ "$(uname)" = "FreeBSD" ] ; then
LC_COLLATE=c
fi
tr -c -d '0123456789abcdef' < /dev/urandom \
| head -c 12 \
| sed 's!^M$!!;s!\-!!g;s!\.!!g;s!\(..\)!\1:!g;s!:$!!'
echo ""
}
# First argument is the interface on which to scan
ipv6_local_hosts() {
if ! [ -z $1 ] ; then
interface="$1"
ping6 -c 3 ff02::2%$interface \
| grep 'bytes from' \
| awk '{print $4}' \
| sort \
| uniq \
| sed -e's/:$//'
else
echo "You need to specify an interface"
fi
}
set_nocaps() {
setxkbmap -layout "us,de"
setxkbmap -option ctrl:nocaps
setxkbmap -option shift:breaks_caps
setxkbmap -option numpad:microsoft
setxkbmap -option grp:alt_space_toggle
}
# Usage: dir_oct:file_oct path
setperms() {
_perm="$1"; shift
dir_perms=$(echo "$_perm" | awk -F: '{print $1}')
file_perms=$(echo "$_perm" | awk -F: '{print $2}')
find "$@" -type f -print0 | xargs -0 chmod "$file_perms"
find "$@" -type d -print0 | xargs -0 chmod "$dir_perms"
}
set_title() {
printf $'\033]0;'"%s"$'\007' "$1"
}
set_my_title() {
_load="Load Avg: $(_sys_load)"
_free_mem="M Free: $(_sys_memory)"
_uptime="Uptime: $(_sys_uptime)"
set_title "$(id -un)[$(hostname)] -- $_load $_free_mem $_uptime"
}
_sys_memory() {
! [ -e $(which vmstat) ] && return
if [ `uname` = "Linux" ] ; then
vmstat | tail -n1 | awk '{print $4/1024}' | sed -e's/\..*$//g'
elif [ `uname` = "FreeBSD" ] ; then
vmstat | tail -n1 | awk '{print $5/1024}' | sed -e's/\..*$//g'
elif [ `uname` = "OpenBSD" ] ; then
vmstat | sed -n '$p' | awk '{print $4}' | sed 's/M$//'
fi
}
_sys_load() {
# Works on BSD too, neat.
uptime | sed -E 's/^.*load averages?: ([0-9]+\.[0-9]+).*$/\1/g'
}
_sys_uptime() {
# Took awhile to figure out, but this works on BSD as well
uptime | sed -E -e's/^.*up[ ]+//g' -e's/^([^,]*),.*/\1/g' -e's/^([^ ]+)[ ]*(.).*/\1\2/g'
}
timestamp() {
date +%m.%d.%y_%H.%M.%S
}
checkSSHAgent() {
ssh_agent_conf="$HOME/.ssh/agent"
if [ -e "$ssh_agent_conf" ] ; then
. "$ssh_agent_conf"
fi
if ! ps -eo pid | grep -q "$SSH_AGENT_PID" \
|| ! [ -e "$ssh_agent_conf" ] \
|| [ -z "$SSH_AGENT_PID" ] ; \
then
ssh-agent -s | grep -v echo > "$ssh_agent_conf"
. "$ssh_agent_conf"
fi
}
passenv() {
_f="$(mktemp)"
pass "$@" > "$_f"
. "$_f"
rm -f "$_f"
}
######################################################################
# Tmux utilities
_tmux_session() {
session=""
window_name=""
working_directory="$(pwd)"
while [ $# -gt 0 ] ; do case $1 in
--) shift ; break;;
-s) session="$2" ; shift ; shift ;;
-n) window_name="$2" ; shift ; shift ;;
-w) working_directory="$2" ; shift ; shift ;;
*)echo "Invalid option $1" ; return ;;
esac ; done
cd "$working_directory" || { echo "Cannot change to: $working_directory" ; return; }
tmux new-session -s "$session" -n "$window_name" -c "$working_directory" \;\
"$@"
}
_tmux_dev() {
session=""
working_directory="$(pwd)"
window_name="editor"
while [ $# -gt 0 ] ; do case $1 in
--) shift ; break;;
-s) session="$2" ; shift ; shift ;;
-n) window_name="$2" ; shift ; shift ;;
-w) working_directory="$2" ; shift ; shift ;;
*)echo "Invalid option $1" ; return ;;
esac ; done
cd "$working_directory" || { echo "Cannot change to: $working_directory" ; return; }
_tmux_session -s "$session" -w "$working_directory" -n "$window_name" \
-- \
send-keys -t 0 "$EDITOR" \; send-keys -t 0 Enter \;\
new-window -n "shell" \;\
new-window -n "git" \;\
send-keys -t 0 "git status" \; send-keys -t 0 Enter \;\
"$@"
}
_tmux_servers_split_commands() {
n=0
server_cmds=""
while [ $# -gt 0 ] ; do
if [ $n -eq 0 ] ; then
server_cmds='send-keys "ssh \"'"$1"'\"" \; send-keys Enter \; '
else
server_cmds="${server_cmds} split-window \; "'send-keys "ssh \"'"$1"'\"" \; send-keys Enter \; '
fi
n="$(echo "$n+1" | bc)"
shift
done
echo "$server_cmds"
}
_tmux_servers() {
session=""
working_directory="$HOME"
servers=""
layout="even-vertical"
while [ $# -gt 0 ] ; do case $1 in
--) shift ; break;;
-s) session="$2" ; shift ; shift ;;
-w) working_directory="$2" ; shift ; shift ;;
-servers) servers="$2"; shift ; shift ;;
-l) layout="$2"; shift ; shift ;;
*)echo "Invalid option $1" ; return ;;
esac ; done
cd "$working_directory" || { echo "Cannot change to: $working_directory" ; return; }
layout="select-layout $layout ';' set-window-option -g synchronize-panes on ';'"
eval _tmux_session -s "\$session" -w "\$working_directory" -n "main" \
-- \
$(_tmux_servers_split_commands $servers) \
$layout \
"\$@" \
}
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