SCP added and modified GIT files

git-scp.sh

#!/bin/bash
IFS=$'\n'

escape() {
    echo -e "\033[$1"
}

# misc styles
c_reset=`escape 0m`
c_bold_on=`escape 1m` ; c_bold_off=`escape 22m`
c_underline_on=`escape 4m` ; c_underline_off=`escape 24m`

# foreground colors
fg_default=`escape 39m`
fg_black=`escape 30m`
fg_red=`escape "1;31m"`
fg_green=`escape 32m`
fg_brown=`escape 33m`
fg_blue=`escape 34m`
fg_magenta=`escape 35m`
fg_cyan=`escape 36m`
fg_white=`escape 37m`

# background colors
bg_default=`escape 49m`
bg_black=`escape 40m`
bg_red=`escape 41m`
bg_green=`escape 42m`
bg_brown=`escape 43m`
bg_blue=`escape 44m`
bg_magenta=`escape 45m`
bg_cyan=`escape 46m`
bg_white=`escape 47m`

me=$(basename $0)

# ensure we have two arguments
if [ $# -lt 2 ]
then
    echo
    echo "  usage: git scp <username@hostname> <target-dir> ([head/origin/X])"
    echo
    exit 1
fi

username=$1

# remove trailing slashes and escape spaces
targetdir=$(echo $2 | sed 's/\/*$//g' | sed 's/ /\\ /g')


if [[ ! $3 ]]
    then
        head_option='status'
    else
        head_option=$3
fi

if [ $head_option != 'origin' -a  $head_option != 'status' ]
    then
        head_option="HEAD~$head_option"
fi

if [ $head_option = 'status' ]
    then
        changes=$(git status --porcelain 2>&1)
    else
        changes=$(git log $head_option..HEAD --name-status --pretty="format:" --abbrev-commit | tail -r | awk '!x[$0]++' 2>&1)
fi


# get list of all changed files
#changes=$(git log HEAD~1..HEAD --name-status --pretty="format:" --abbrev-commit 2>&1)
#changes=$(git status --porcelain 2>&1)
# exit if git status returned an error code

if [ $? -ne 0 ]
then
    echo
    echo "  ${fg_red}$changes${c_reset}"
    echo
    exit 1
fi

# file counters
num_modified=0
num_deleted=0

# file length counters
maxfilelength=0
filelength=0

# extract added and modified files
files_modified=$(echo "$changes" | sed -nE 's/( )?[AM]+( |[^I])?//p' | tr -d "\"")

# extract deleted files
files_deleted=$(echo "$changes" | sed -nE 's/( )?[D]+( |[^I])?//p' | tr -d "\"")

# print modified files (if any)
if [ "$files_modified" != "" ]
then 
    echo 
    echo " The following files will be COPIED:"

    for file in $files_modified;
    do
        echo "      ${fg_green}$file${c_reset}"
        ((num_modified++))

        filelength=$(echo "$file" | wc -c)
        if [ $filelength -gt $maxfilelength ]
        then
            maxfilelength=$filelength
        fi
    done

    echo " ${fg_cyan}Total files: $num_modified${c_reset}"
fi

# print deleted files (if any)
if [ "$files_deleted" != "" ]
then 
    echo
    echo " The following files will be DELETED:"

    for file in $files_deleted;
    do
        echo "      ${fg_red}$file${c_reset}"
        ((num_deleted++))

        filelength=$(echo "$file" | wc -c)
        if [ $filelength -gt $maxfilelength ]
        then
            maxfilelength=$filelength
        fi
    done

    echo " ${fg_cyan}Total files: $num_deleted${c_reset}"
fi

if [ $num_modified -eq 0 ] && [ $num_deleted -eq 0 ]
then
    echo
    echo "Nothing to sync"
    echo
    exit 0
fi

echo 
echo -n 'Do you want to continue (yes/no)?: '
read answer

# exit it "yes" or "y" not received
if [ "$answer" != "yes" ] && [ "$answer" != "y" ]
then
    echo
    exit 1
fi

echo

# copy files
if [ "$num_modified" -gt 0 ]
then
    echo "  ${c_underline_on}Copying:${c_reset}"
    
    for file in $files_modified;
    do
        mask=$(printf '%%-%ds' $maxfilelength)
        printf "      $mask " $file

        filedir=$(dirname "$file" | sed 's/ /\\ /g')
        output=$(scp -q "$file" $username:"$targetdir/$filedir" 2>&1)

        if [ $? -eq 0 ]
        then
            echo "${fg_green}ok${c_reset}"
        else
            echo "${fg_red}failed${c_reset} ($output)"
        fi
    done

    echo
fi

# delete files
if [ "$num_deleted" -gt 0 ]
then
    echo "  ${c_underline_on}Deleting:${c_reset}"

    for file in $files_deleted;
    do
        mask=$(printf '%%-%ds' $maxfilelength)
        printf "      $mask " $file

        filedir=$(dirname "$file" | sed 's/ /\\ /g')
        output=$(ssh -q $username rm -f "$targetdir/$file" 2>&1)

        if [ $? -eq 0 ]
        then
            echo "${fg_green}ok${c_reset}"
        else
            echo "${fg_red}failed${c_reset} ($output)"
        fi
    done
    
    echo
fi

Supports deploying from origin/status/or a specific log off of HEAD