svn compatible patch generator from within smartgit (linux)

patchGenByBranch.sh

#!/bin/bash
#_branchname_=$(git -C $1 rev-parse --abbrev-ref HEAD)
_branchname_="${2/refs\/heads\/}"
_branchcommit_=$(git -C $1 show-ref --heads -s master)
_mastercommit_=$(git -C $1 merge-base master $_branchname_)
if [[ $_branchcommit_ == $_mastercommit_ ]]; then
    echo "generating patch for $_branchname_"
    _patch_path="$1/gitPlayero-$_branchname_.patch"
    git -C $1 diff --text --relative --no-prefix --no-textconv --ignore-submodules --abbrev master..$_branchname_ '*.py' '*.xml' > $_patch_path
    echo "$_patch_path" | sed 's#/#\\#g' | sed 's#.patch#\ #g' > /dev/clipboard
    echo "patch path copied to clipboard"
else
    echo "first rebase master to branch $_branchname_ (CTRL+D in smartgit)"
    echo "or merge it (CTRL+M in smartgit, best choice to keep tree history)"
    echo "and then regenerate patch"
    echo "branch commit $_branchcommit_"
    echo "master commit $_mastercommit_"
    exit 1
fi