Update git to latest stable version in Fedora

update-git.sh

#!/bin/bash

CUR_PWD=`pwd`
TEMPPATH=${HOME}/.tmp
GITDIR=${TEMPPATH}/git

function clone_git {
  git clone https://github.com/git/git.git $GITDIR &>/dev/null
}

function is_git {
  git status &>/dev/null || clone_git
}

sudo dnf install -y -q curl-devel expat-devel gettext-devel openssl-devel zlib-devel asciidoc xmlto docbook2X &>/dev/null
sudo ln -s /usr/bin/db2x_docbook2texi /usr/bin/docbook2x-texi &>/dev/null

if [ ! -d "$GITDIR" ]; then
  mkdir -p $TEMPPATH && clone_git
fi

cd $GITDIR

is_git

git checkout master &>/dev/null
git pull &>/dev/null
./GIT-VERSION-GEN &>/dev/null
sed -i 's/\s//g' ./GIT-VERSION-FILE &>/dev/null
. ./GIT-VERSION-FILE &>/dev/null
GIT_CURVERSION=`git --version|awk '{print $NF}'` &>/dev/null

if [ "${GIT_VERSION}" == "${GIT_CURVERSION}" ]; then
  echo "Current version is up to date. (${GIT_CURVERSION})"
else
  make configure
  ./configure --prefix=/usr
  make all doc info
  sudo make install install-doc install-html install-info
  echo "Installed new version of git. (${GIT_VERSION})"
fi

cd ${CUR_PWD}