valtoni

# The command finds the most recent tag that is reachable from a commit.
# If the tag points to the commit, then only the tag is shown.
# Otherwise, it suffixes the tag name with the number of additional commits on top of the tagged object 
# and the abbreviated object name of the most recent commit.
git describe

# With --abbrev set to 0, the command can be used to find the closest tagname without any suffix:
git describe --abbrev=0

# other examples

valtoni

#!/bin/bash

NAME_KEY=key
FILE=${NAME_KEY}
PRV_KEY_HEX=${FILE}.hex64.key
PRV_KEY=${FILE}.pem
CERT_REQUEST=${FILE}.csr
CERTIFICATE=${FILE}.crt
PKCS12_FILE=${FILE}.pkcs12

valtoni

#!/bin/sh

while read branch; do
  upstream=$(git rev-parse --abbrev-ref $branch@{upstream} 2>/dev/null)
  if [[ $? == 0 ]]; then
    echo $branch tracks $upstream
  else
    echo $branch has no upstream configured
    git branch -D $branch
    if [ -z $? ]; then

valtoni

select
   fs.tablespace_name                          "Tablespace",
   (df.totalspace - fs.freespace)              "Used MB",
   fs.freespace                                "Free MB",
   df.totalspace                               "Total MB",
   round(100 * (fs.freespace / df.totalspace)) "Pct. Free"
from
   (select
      tablespace_name,
      round(sum(bytes) / 1048576) TotalSpace

valtoni

class Property {

  def static Properties instance

  public static readProps(String file_name_prop) {
    if (!file_name_prop) throw new Exception("You must provide filename to read properties: this is a static method")
    def file_prop = new File(file_name_prop)
    if (!file_prop.exists()) {
      throw new Exception("The file ${file_name_prop} must exists")
    }

valtoni

find . -name "*.jar" | rev | cut -d "/" -f 2-10 | rev | uniq -c | sort

valtoni

git log --name-status $* | grep -E '^[A-Z]\s+' | cut -c3-500 | sort | uniq -c | grep -vE '^ {6}1 ' | sort -n | tail --lines="$ROW_LIMIT"

valtoni

# Copy https://raw.githubusercontent.com/git/git/master/contrib/completion/git-prompt.sh into ~/.git-prompt.sh
source ~/.git-prompt.sh
PS1='\n\[\e[30;1m\]\[\016\]l\[\017\](\[\e[34;1m\]\u@\h\[\e[30;1m\])-(\[\e[34;1m\]\j\[\e[30;1m\])-(\[\e[34;1m\]\@ \d\[\e[30;1m\])$(__git_ps1 "-(\[\e[35;1m\]%s\[\e[30;1m\])")->\[\e[30;1m\]\n\[\016\]m\[\017\]-(\[\[\e[32;1m\]\w\[\e[30;1m\])\[\e[0m\]'

valtoni

Docker - How to cleanup (unused) resources

Once in a while, you may need to cleanup resources (containers, volumes, images, networks) ...

delete volumes

// see: https://github.com/chadoe/docker-cleanup-volumes

$ docker volume rm $(docker volume ls -qf dangling=true)

$ docker volume ls -qf dangling=true | xargs -r docker volume rm

valtoni

#!/usr/bin/python
import sys
import os
import zipfile

def main(argv):
        zip_file_name = argv[1]
        zfi = zipfile.ZipFile(zip_file_name, "w", zipfile.ZIP_DEFLATED)
        cur_dir = os.getcwd()
        for i in range(2, len(argv)):