schnippets/.bash_aliases

# see if which can find the command in the PATH
# defined before other aliases so they don't get
# added if the command they use isn't installed
cmds_exist () {
  for cmd in ${@}; do
    if ! PATH="/usr/lib/ccache:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" which ${1} &>/dev/null; then
      return 1
    fi
  done
  return 0
}

if cmds_exist sudo; then
  if cmds_exist apt-fast; then
    alias apt-fast="sudo apt-fast"
    if [ -z $APT_CMD ]; then APT_CMD="apt-fast"; fi
  fi
  if cmds_exist apt; then
    alias apt="sudo apt"
    if [ -z $APT_CMD ]; then APT_CMD="apt"; fi
  fi
  if cmds_exist apt-get; then
    alias apt-get="sudo apt-get"
    if [ -z $APT_CMD ]; then APT_CMD="apt-get"; fi
  fi

  alias dist-upgrade="${APT_CMD} update -qq && ${APT_CMD} dist-upgrade"
  alias upgrade="${APT_CMD} update -qq && ${APT_CMD} upgrade --with-new-pkgs"

  if cmds_exist add-apt-repository; then
    alias add-apt-repository="sudo add-apt-repository"
  fi

  if cmds_exist apt-key; then
    alias apt-recv-key="sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys"
  fi
  alias dpkg="sudo dpkg"
  alias cleanoldkernels="dpkg --list | grep linux-image | awk '{ print $2 }' | sort -V | sed -n '/'$(uname -r)'/q;p' | xargs ${APT_CMD} purge"

  function apt-get-update-repo () {
    options="-o Dir::Etc::sourcelist=sources.list.d/${1}.list -o Dir::Etc::sourceparts='-' -o APT::Get::List-Cleanup='0
'"
    ${APT_CMD} ${options} update
  }

  alias service="sudo /usr/sbin/service"

  alias iwconfig="sudo /sbin/iwconfig"
  alias iw="sudo /sbin/iw"
  alias ip="sudo /sbin/ip"
  alias iptables="sudo /sbin/iptables"
  alias ip6tables="sudo /sbin/ip6tables"

  if cmds_exist tcpdump; then
    alias tcpdump="sudo /usr/sbin/tcpdump"
  fi

  if cmds_exist iftop; then
    alias iftop="sudo /usr/sbin/iftop"
  fi

  if cmds_exist nethogs; then
    alias nethogs="sudo /usr/sbin/nethogs"
  fi

  if cmds_exist iotop; then
    alias iotop="sudo /usr/sbin/iotop"
  fi

  if cmds_exist unbound-control; then
    alias unbound-control="sudo /usr/sbin/unbound-control"
  fi

  alias fsck="sudo /sbin/fsck"

  if cmds_exist lxc-start; then
    alias lxc-start="sudo /usr/bin/lxc-start"
  fi
  if cmds_exist lxc-stop; then
    alias lxc-stop="sudo /usr/bin/lxc-stop"
  fi
  if cmds_exist lxc-attach; then
    alias lxc-attach="sudo /usr/bin/lxc-attach"
  fi
  if cmds_exist lxc-ls; then
    alias lxc-ls="sudo /usr/bin/lxc-ls"
  fi

  if [ -f /opt/borgbackup/bin/borg ]; then
    alias overstock-borg="sudo BORG_REPO=/mnt/c_isilon/home/nbohman/borgbackup BORG_PASSPHRASE='aey4zah4eish9weekaizega7ooph9joo9eep3otoh4uev9eez4oof9Ko7ga3zah' /opt/borgbackup/bin/borg"
  fi
fi

if cmds_exist grc; then
  alias mtr="grc mtr --curses"
  alias ping="grc ping"
  alias dig="grc dig"
fi

if cmds_exist pigz; then
  alias gzip="pigz"
fi

if cmds_exist sfs; then
  alias organize_downloads="sfs ~/.config/sfs/Dowloads.yaml ~/Downloads"
fi

alias xz="xz -T0"

if cmds_exist zfs; then
  function zfs_snapshots_by_size () {
    root_dataset=${1}
    zfs list -r -t snapshot -o name,used,creation ${root_dataset} | sort -k 2,2h
  }
fi

if cmds_exist lsblk; then
  alias lsblk="lsblk -o 'NAME,UUID,PARTUUID,SIZE,TYPE,SCHED,FSTYPE,LABEL,MOUNTPOINT'"
fi

if cmds_exist git; then
  alias git-reset-hard="git fetch origin; git reset --hard origin/master; git clean -f"
fi

alias ssh-remove-host-key="ssh-keygen -f "/home/natrinicle/.ssh/known_hosts" -R"
alias ssh-stop-multiplex="ssh -O stop"
alias extract-jpg-from-dngs="for file in *.dng; do exiftool -b -JpgFromRaw $file > $file.jpg; done"

if cmds_exist pwgen; then
  alias genpass="pwgen -1yBn"
fi

if cmds_exist dig; then
  alias dig-short="dig +short"
fi

alias load="uptime | grep -Eo '([0-9]+\.[0-9]+,? ?){3}'"

alias pip="/usr/bin/env pip"
alias pip3="/usr/bin/env pip3"

scp_home_rc () {
  scp ${@:2} .bashrc ${1}:~
  scp ${@:2} .bash_aliases ${1}:~
  scp ${@:2} .vimrc ${1}:~
}

# Add a path to $PATH if it's not already in there
# pathmunge /path/to/add
pathmunge () {
  if ! echo $PATH | /bin/egrep -q "(^|:)$1($|:)" ; then
    if [ "$2" = "after" ] ; then
      PATH=$PATH:$1
    else
      PATH=$1:$PATH
    fi
  fi
}

if cmds_exist ipmitool ; then
  export IPMI_USER="ADMIN"
  export IPMI_PASS="ADMIN"

  # Set boot device on next boot to pxe
  ipmipxe() {
    ipmitool -I lanplus -H ${1} -U ADMIN -P ADMIN chassis bootdev pxe
  }
  # Reset a hung bmc
  ipmiresetbmc() {
    ipmitool -I lanplus -H ${1} -U ADMIN -P ADMIN mc reset cold
  }
  # Power cycle a server from it's bmc
  ipmipowercycle() {
    ipmitool -I lanplus -H ${1} -U ADMIN -P ADMIN chassis power cycle
  }
  # Ipmi wrapper with username/password for any other commands
  ipmi() {
    # ${@:2} pulls in all argv from 2 to the end of the line
    ipmitool -I lanplus -H ${1} -U ${IPMI_USER} -P ${IPMI_PASS} ${@:2}
  }
fi

if cmds_exist pv dd; then
  dd-progress() {
    sudo dd if=${1} ${@:3} | pv -tpreb | sudo dd of=${2} ${@:3}
  }
fi

if [ -d /sys/devices/platform/applesmc.768 ]; then
  fanspeed() {
    # Pulled from http://ubuntuforums.org/showthread.php?t=1645913&p=10246215#post10246215
    # Requires applesmc-dkms package and modprobe applesmc
    # Included in kernels >=2.6.27
    service mbpfan stop
    echo 1 | sudo tee /sys/devices/platform/applesmc.768/fan1_manual > /dev/null
    echo 1 | sudo tee /sys/devices/platform/applesmc.768/fan2_manual > /dev/null
    echo $1 | sudo tee /sys/devices/platform/applesmc.768/fan1_output > /dev/null
    echo $1 | sudo tee /sys/devices/platform/applesmc.768/fan2_output > /dev/null
  }
fi

extract () {
  if [ -f $1 ] ; then
    case $1 in
      *.tar.bz2)   tar xjf $1     ;;
      *.tar.gz)    tar xzf $1     ;;
      *.bz2)       bunzip2 $1     ;;
      *.rar)       unrar e $1     ;;
      *.gz)        gunzip $1      ;;
      *.tar)       tar xf $1      ;;
      *.tbz2)      tar xjf $1     ;;
      *.tgz)       tar xzf $1     ;;
      *.zip)       unzip $1       ;;
      *.Z)         uncompress $1  ;;
      *.7z)        7z x $1        ;;
      *)     echo "'$1' cannot be extracted via extract()" ;;
    esac
  else
    echo "'$1' is not a valid file"
  fi
}

if cmds_exist ldapsearch; then
  export LDAP_USER="nate.bohman"

  ldapmultisearch() {
    if [ -z $LDAP_USER ]; then
      read -p "Username: " LDAP_USER
      export LDAP_USER
    fi
    read -s -p "${LDAP_USER}'s Password: " LDAP_PASSWORD
    echo ""
    for uid in "${@}"; do
      ldapsearch -x -ZZ -D "${LDAP_USER}@purestorage.com" -b "ou=PSUsers,dc=purestorage,dc=com" -h ldap.purestorage.com -w ${LDAP_PASSWORD} uid=${uid}
      if [ ${?} != 0 ]; then
        echo "ldapsearch had an error"
        unset LDAP_PASSWORD
        break
      fi
    done
    export LDAP_PASSWORD
  }

  ldapfindteam() {
    LDAP_SEARCH="$(ldapmultisearch ${1})"
    MANAGER_DN=$(echo "${LDAP_SEARCH}" | grep -Po "(?<=^manager: ).*$")
    MANAGER_NAME=$(echo "${LDAP_SEARCH}" | grep -Po "(?<=^name: ).*$")
    MANAGER_TITLE=$(echo "${LDAP_SEARCH}" | grep -Po "(?<=^title: ).*$")
    TEAM_UIDS=$(ldapsearch -x -ZZ -D "${LDAP_USER}@purestorage.com" -b "ou=PSUsers,dc=purestorage,dc=com" -h ldap.purestorage.com -w ${LDAP_PASSWORD} "manager=${MANAGER_DN}" | grep -Po "(?<=^uid: ).*")
    echo "Manager: ${MANAGER_NAME} - ${MANAGER_TITLE}"
    for character in $(echo "Manager: ${MANAGER_NAME} - ${MANAGER_TITLE}" | wc -c); do echo -e "-"; done
    ldapmultisearch ${TEAM_UIDS} | grep -Po "(?<=^name: ).*$"
  }
fi

if cmds_exist curl; then
  test_redirect() {
    if [ $(echo $2 | cut -d":" -f1) == "https" ]; then
      port=443
    else
      port=80
    fi
    domain=$(echo $2 | cut -d"/" -f3)
    # echo "IP $1"
    # echo "Port $port"
    # echo "Domain $domain"
    # echo "URL $2"
    echo "Testing $2 against $1:$port"

    curl --resolve $domain:$port:$1 $2 --progress-bar --insecure -sL -w "%{http_code} %{url_effective}\\n" -o /dev/null
  }
fi

psgrep() {
  ps auxw | grep "$(echo ${@} | sed 's/^\(.\)/[\1]/')"
}
ps_forest_pid () {
  ps --forest -o user,pid,pcpu,pmem,vsz,rss,tty,stat,start,time,cmd -g $(ps -o sid= -p ${1})
}
psmem() {
  # Print the number of processes matching name given, memory per process, and total memory usage
  ps -C $1 -O rss | gawk '{ count ++; sum += $2 }; END {count --; print "Number of processes =",count; print "Memory usage per process =",sum/1024/count, "MB"; print "Total memory usage =", sum/1024, "MB" ;};'
}
lsof_proc_open_cons () {
  lsof -c ${1} -a -i${2}
}
memused() {
  # Get ram total, free, and used without cached/buffers then calculate the percentage used to the nearest whole number
  mem_total=$(cat /proc/meminfo | egrep "^MemTotal:" | egrep -o "[0-9]+")
  mem_free=$(echo $(cat /proc/meminfo | egrep "^MemFree:" | egrep -o "[0-9]+") + $(cat /proc/meminfo | egrep "^Cached:" | egrep -o "[0-9]+") | bc)
  mem_used=$(echo ${mem_total} - ${mem_free} | bc)
  percent_used=$(awk "BEGIN { pc=${mem_used}/${mem_total}*100; i=int(pc); print (pc-i<0.5)?i:i+1 }")

  # Output as used/total (percent%)
  echo -e "${mem_used}/${mem_total} (${percent_used}%)"
}
swapused() {
  # Get swap total, free, and used then calculate the percentage used to the nearest whole number
  swap_total=$(cat /proc/meminfo | egrep "^SwapTotal:" | egrep -o "[0-9]+")
  swap_free=$(cat /proc/meminfo | egrep "^SwapFree:" | egrep -o "[0-9]+")
  swap_used=$(echo ${swap_total} - ${swap_free} | bc)
  percent_used=$(awk "BEGIN { pc=${swap_used}/${swap_total}*100; i=int(pc); print (pc-i<0.5)?i:i+1 }")

  # Output as used/total (percent%)
  echo -e "${swap_used}/${swap_total} (${percent_used}%)"
}

suspend_process_soft() {
  for pid in $(psgrep $1 | awk '{print $2}'); do
    kill -TSTP ${pid}
  done
}

suspend_process_hard() {
  for pid in $(psgrep $1 | awk '{print $2}'); do
    kill -STOP ${pid}
  done
}

unsuspend_process() {
  for pid in $(psgrep $1 | grep -P " Tl? " | awk '{print $2}'); do
    kill -CONT ${pid}
  done
}

zram_stat() {
  for i in /sys/block/zram*; do
    if [ -f $i/compr_data_size ] && [ -f $i/orig_data_size ]; then
      compr=$(< $i/compr_data_size)
      orig=$(< $i/orig_data_size)
      ratio=0
      if [ $compr -gt 0 ]; then
        ratio=$(echo "scale=2; $orig*100/$compr" | bc -q)
      fi
      echo -e "/dev/${i/*\/}:\t$ratio% ($orig -> $compr)"
    fi
  done
}

ksm_stat() {
  # offered = pages_sharing + pages_shared + pages_unshared + pages_volatile;
  # saved = pages_sharing - pages_shared;
  # savings (ksm_ratios) = saved / offered;

  page_size=$(getconf PAGE_SIZE)

  pages_shared=$(cat /sys/kernel/mm/ksm/pages_shared)
  pages_sharing=$(cat /sys/kernel/mm/ksm/pages_sharing)
  pages_unshared=$(cat /sys/kernel/mm/ksm/pages_unshared)
  pages_volatile=$(cat /sys/kernel/mm/ksm/pages_volatile)

  offered=$(echo "${pages_sharing} + ${pages_shared} + ${pages_unshared} + ${pages_volatile}" | bc -l)
  offered_bytes=$(echo "${offered} * ${page_size}" | bc -l)
  offered_human="$(echo "${offered_bytes}" | numfmt --to=iec-i)B"
  saved=$(echo "${pages_sharing} - ${pages_shared}" | bc -l)
  saved_bytes=$(echo "${saved} * ${page_size}" | bc -l)
  saved_human="$(echo "${saved_bytes}" | numfmt --to=iec-i)B"
  saved_percent="0.00"

  if [ ${offered} -gt 0 ]; then
    saved_percent=$(python -c "print(round(float($(echo "${saved} / ${offered} * 100" | bc -l)), 2))")
  fi

  echo -e "${saved_human}/${offered_human} (${saved_percent}%)"
}

if cmds_exist dkms; then
  if cmds_exist sudo; then
    DKMS_CMD="sudo dkms"
  else
    DKMS_CMD="dkms"
  fi

  dkms-buildall() {
    $DKMS_CMD status | sed s/,//g | awk '{print "-m",$1,"-v",$2}' | while read line; do ls /var/lib/initramfs-tools | xargs -n 1 $DKMS_CMD install $line -k; done
  }
fi

if cmds_exist sudo; then
  function check_open_files () {
   alert_percent=${1:-0.75}
    for running_pid in $(sudo ps aux | awk '{print $2}' | tail -n+2); do
      if sudo test -d /proc/${running_pid}/fd && sudo test -f /proc/${running_pid}/limits; then
        open_files=$(sudo ls -l /proc/${running_pid}/fd | wc -l)
        open_limit=$(sudo grep "open files" /proc/${running_pid}/limits | awk '{print $4}')
        alert_limit=$(echo "((${open_limit} * ${alert_percent}) + 0.5) / 1" | bc)
        if [ ${open_files} -gt ${alert_limit} ]; then
          echo "PID ${running_pid} has ${open_files} open files with a limit of ${open_limit} max"
        fi
      fi
    done
  }
fi

if cmds_exist sudo wg; then
  alias wg="sudo /usr/bin/wg"
fi
if cmds_exist sudo wg-quick; then
  alias wg-quick="sudo /usr/bin/wg-quick"
fi

if cmds_exist nc; then
  function port_open_check () {
    nc -zv ${@}
  }
fi

if cmds_exist youtube-dl; then
  alias youtube-dl-best="youtube-dl -f bestvideo+bestaudio"
fi

function dedup_text () {
  # Can use inline or with a filename
  # echo -e "Test\nTest\nTest\nTest2\nTest" | dedup_text
  # dedup_text /var/log/badly_duplicated_log > /var/log/deduplicated_log

  # Stolen from https://stackoverflow.com/questions/1444406/how-can-i-delete-duplicate-lines-in-a-file-in-unix
  # seen is an associative-array that Awk will pass every line of the file to.
  # If a line isn't in the array then seen[$0] will evaluate to false.
  # The ! is a logical NOT operator and will invert the false to true.
  # Awk will print the lines where the expression evaluates to true.
  # The ++ increments seen so that seen[$0] == 1 after the first time a
  # line is found and then seen[$0] == 2, and so on.
  # Awk evaluates everything but 0 and "" (empty string) to true.
  # If a duplicate line is placed in seen then !seen[$0] will evaluate to
  # false and the line will not be written to the output.
  awk '!seen[$0]++'
}

function escape_string () {
  # string=${@}
  # echo ${string//\\/\\\\}
  printf "%q" "${@}"
}

function round () {
  round_float=${1}
  round_places=${2:-2}

  python -c "print(round(float(${round_float}), ${round_places}))"
}

function percent_change () {
  old_number=${1}
  new_number=${2}

  if [ $(echo "${new_number} < ${old_number}" | bc -l) -eq 1 ]; then
    percent_decrease=$(round $(echo "((${old_number} - ${new_number}) / ${old_number}) * 100" | bc -l) 2)
    echo "${old_number} -> ${new_number} is a ${percent_decrease}% decrease"
  else
    percent_increase=$(round $(echo "((${new_number} - ${old_number}) / ${old_number}) * 100" | bc -l) 2)
    echo "${old_number} -> ${new_number} is a ${percent_increase}% increase"
  fi
}

# add thefuck function
#eval $(thefuck --alias)
function fuck () {
  TF_PREVIOUS=$(fc -ln -1);
  TF_CMD=$(
    TF_ALIAS=fuck
    TF_SHELL_ALIASES=$(alias)
    PYTHONIOENCODING=utf-8
    thefuck $TF_PREVIOUS THEFUCK_ARGUMENT_PLACEHOLDER $@
  ) && eval $TF_CMD;
  history -s $TF_CMD;
}

if cmds_exist ffmpeg; then
  convert_video_to_webm () {
    filename=${1}
    filename_wo_ext=$(echo ${filename} | rev | cut -d"." -f2- | rev)

    # First pass
    ffmpeg -i ${filename} -c:v libvpx-vp9 -pass 1 -b:v 0 -crf 21 -threads 8 -speed 4 -tile-columns 6 -frame-parallel 1 -an -f webm -y /dev/null

    # Second pass
    ffmpeg -i ${filename} -c:v libvpx-vp9 -pass 2 -b:v 0 -crf 21 -threads 8 -speed 2 -tile-columns 6 -frame-parallel 1 -auto-alt-ref 1 -lag-in-frames 25 -c:a libopus -b:a 96k -f webm ${filename_wo_ext}.webm
  }

  stabilize_video () {
    filename=${1}
    filename_wo_ext=$(echo ${filename} | rev | cut -d"." -f2- | rev)
    filename_ext=$(echo ${filename} | rev | cut -d"." -f1 | rev)
    shakiness=${2:-5}
    accuracy=${3:-15}
    smoothing=${4:-30}

    # First pass
    ffmpeg -i ${filename} -vf vidstabdetect=shakiness=${shakiness}:accuracy=${accuracy} -f null -

    # Second pass
    ffmpeg -i ${filename} -vf vidstabtransform=smoothing=${smoothing}:input="transforms.trf" ${filename_wo_ext}.stabilized.${filename_ext}
  }
  if cmds_exist flac; then
    convert_flac_to_mp3 () {
      filename=${1}
      filename_wo_ext=$(echo ${filename} | rev | cut -d"." -f2- | rev)

      flac --silent --decode --stdout "${filename}" | ffmpeg -i - -map 0:a:0 -b:a 320k -v 0 -f mp3 "${filename_wo_ext}.mp3"
    }
  fi
fi

# Nuitka converts Python source into C
if cmds_exist nuitka; then
  # Convert and compile all .py files in current directory to modules
  function nuitka_compile_all_as_modules() {
    for py_file in *.py; do
      # Ignore things like __init__.py that tend to break
      if echo ${py_file} | grep -qv "^__"; then
        nuitka --module ${py_file} --recurse-none --show-progress
      fi
    done
  }

  # Undo Nuitka module conversion and compilation
  function nuitka_remove_all_compiled_modules() {
    rm -r *.build
    rm *.so
    rm *.pyi
  }
fi