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image_optimizer.sh
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image_optimizer.sh
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#!/bin/bash
# Simple image optimizer for JPEG, PNG and GIF images.
# URL: https://github.com/zevilz/zImageOptimizer
# Author: Alexandr "zEvilz" Emshanov
# License: MIT
# Version: 0.9.9
sayWait()
{
local AMSURE
[ -n "$1" ] && echo "$@" 1>&2
read -n 1 -p "Press any key to continue..." AMSURE
echo "" 1>&2
}
cdAndCheck()
{
cd "$1" 2>/dev/null
if ! [ "$(pwd)" = "$1" ]; then
echo
$SETCOLOR_FAILURE
if [ -z "$2" ]; then
echo "Can't get up in a directory $1!" 1>&2
else
echo "$2" 1>&2
fi
$SETCOLOR_NORMAL
echo
exit 1
fi
}
checkDir()
{
if ! [ -d "$1" ]; then
echo
$SETCOLOR_FAILURE
if [ -z "$2" ]; then
echo "Directory $1 not found!" 1>&2
else
echo "$2" 1>&2
fi
$SETCOLOR_NORMAL
echo
exit 1
fi
}
checkDirPermissions()
{
cd "$1" 2>/dev/null
touch checkDirPermissions 2>/dev/null
if ! [ -f "$1/checkDirPermissions" ]; then
echo
$SETCOLOR_FAILURE
if [ -z "$2" ]; then
echo "Current user have no permissions to directory $1!" 1>&2
else
echo "$2" 1>&2
fi
$SETCOLOR_NORMAL
echo
exit 1
else
rm "$1/checkDirPermissions"
fi
}
checkParm()
{
if [ -z "$1" ]; then
echo
$SETCOLOR_FAILURE
echo "$2" 1>&2
$SETCOLOR_NORMAL
echo
exit 1
fi
}
inArray () {
local e match="$1"
shift
for e; do [[ "$e" == "$match" ]] && return 0; done
return 1
}
installDeps()
{
PLATFORM="unknown"
PLATFORM_ARCH="unknown"
PLATFORM_SUPPORT=0
if [[ "$OSTYPE" == "linux-gnu" ]]; then
PLATFORM="linux"
PLATFORM_DISTRIBUTION="unknown"
PLATFORM_VERSION="unknown"
PLATFORM_PKG="unknown"
if [ $(uname -m) == 'x86_64' ]; then
PLATFORM_ARCH=64
else
PLATFORM_ARCH=32
fi
# First test against Fedora / RHEL / CentOS / generic Redhat derivative
if [ -r /etc/rc.d/init.d/functions ]; then
source /etc/rc.d/init.d/functions
[ zz`type -t passed 2>/dev/null` == "zzfunction" ] && PLATFORM_PKG="redhat"
PLATFORM_DISTRIBUTION=$(cat /etc/redhat-release | cut -d ' ' -f1)
if [ $PLATFORM_DISTRIBUTION == "Fedora" ]; then
PLATFORM_VERSION=$(grep -oE '[0-9]+' /etc/redhat-release)
if [ $PLATFORM_VERSION -ge $MIN_VERSION_FEDORA ]; then
PLATFORM_SUPPORT=1
fi
fi
if [ $PLATFORM_DISTRIBUTION == "Red" ]; then
RHEL_RECHECK=$(cat /etc/redhat-release | cut -d ' ' -f1-4)
if [ "$RHEL_RECHECK" == "Red Hat Enterprise Linux" ]; then
PLATFORM_DISTRIBUTION="RHEL"
PLATFORM_VERSION=$(grep -oE '[0-9]+\.[0-9]+' /etc/redhat-release | cut -d '.' -f1)
if [ $PLATFORM_VERSION -ge $MIN_VERSION_RHEL ]; then
PLATFORM_SUPPORT=1
fi
fi
fi
if [ $PLATFORM_DISTRIBUTION == "CentOS" ]; then
PLATFORM_VERSION=$(grep -oE '[0-9]+\.[0-9]+' /etc/redhat-release | cut -d '.' -f1)
if [ $PLATFORM_VERSION -ge $MIN_VERSION_CENTOS ]; then
PLATFORM_SUPPORT=1
fi
fi
# Then test against SUSE (must be after Redhat,
# I've seen rc.status on Ubuntu I think? TODO: Recheck that)
# elif [ -r /etc/rc.status ]; then
# source /etc/rc.status
# [ zz`type -t rc_reset 2>/dev/null` == "zzfunction" ] && PLATFORM_PKG="suse"
# Then test against Debian, Ubuntu and friends
elif [ -r /lib/lsb/init-functions ]; then
source /lib/lsb/init-functions
[ zz`type -t log_begin_msg 2>/dev/null` == "zzfunction" ] && PLATFORM_PKG="debian"
PLATFORM_DISTRIBUTION=$(lsb_release -i | cut -d ':' -f2 | sed 's/\s//')
PLATFORM_VERSION=$(lsb_release -r | cut -d ':' -f2 | sed 's/\s//' | sed 's/\..*//')
if [ $PLATFORM_DISTRIBUTION == "Debian" ]; then
if [ $PLATFORM_VERSION -ge $MIN_VERSION_DEBIAN ]; then
PLATFORM_SUPPORT=1
fi
fi
if [ $PLATFORM_DISTRIBUTION == "Ubuntu" ]; then
if [ $PLATFORM_VERSION -ge $MIN_VERSION_UBUNTU ]; then
PLATFORM_SUPPORT=1
fi
fi
# Then test against Gentoo
# elif [ -r /etc/init.d/functions.sh ]; then
# source /etc/init.d/functions.sh
# [ zz`type -t ebegin 2>/dev/null` == "zzfunction" ] && PLATFORM_PKG="gentoo"
# For Slackware we currently just test if /etc/slackware-version exists
# and isn't empty (TODO: Find a better way :)
# elif [ -s /etc/slackware-version ]; then
# PLATFORM_PKG="slackware"
fi
elif [[ "$OSTYPE" == "darwin"* ]]; then
PLATFORM="macos"
PLATFORM_PKG="dmg"
PLATFORM_DISTRIBUTION="MacOS"
PLATFORM_ARCH=$(getconf LONG_BIT)
PLATFORM_VERSION="$(defaults read loginwindow SystemVersionStampAsString)"
if [[ $(echo $PLATFORM_VERSION | cut -d '.' -f2) -ge $MIN_VERSION_MACOS ]]; then
PLATFORM_SUPPORT=1
fi
elif [[ "$OSTYPE" == "FreeBSD"* ]]; then
PLATFORM="freebsd"
PLATFORM_PKG="pkg"
PLATFORM_DISTRIBUTION="FreeBSD"
PLATFORM_ARCH=$(getconf LONG_BIT)
PLATFORM_VERSION=$(freebsd-version | cut -d '-' -f1)
if [[ $(echo $PLATFORM_VERSION | cut -d '.' -f1) -ge $MIN_VERSION_FREEBSD ]]; then
PLATFORM_SUPPORT=1
fi
fi
# Hook: after-check-platform
includeExtensions after-check-platform
if [ $DEBUG -eq 1 ]; then
echo "Platform info:"
echo
echo "PLATFORM: $PLATFORM"
echo "PLATFORM_PKG: $PLATFORM_PKG"
echo "PLATFORM_DISTRIBUTION $PLATFORM_DISTRIBUTION"
echo "PLATFORM_ARCH: $PLATFORM_ARCH"
echo "PLATFORM_VERSION: $PLATFORM_VERSION"
echo "PLATFORM_SUPPORT: $PLATFORM_SUPPORT"
echo
sayWait
fi
if [ $PLATFORM_SUPPORT -eq 1 ]; then
echo "Installing dependencies..."
CUR_USER=$(whoami)
if [ $CUR_USER == "root" ]; then
SUDO=""
else
SUDO="sudo"
fi
if [ $PLATFORM == "linux" ]; then
# Hook: before-install-deps-linux
includeExtensions before-install-deps-linux
if [ $PLATFORM_PKG == "debian" ]; then
# Hook: before-install-deps-debian
includeExtensions before-install-deps-debian
$SUDO apt-get update
$SUDO apt-get install $DEPS_DEBIAN -y
# Hook: after-install-deps-debian
includeExtensions after-install-deps-debian
elif [ $PLATFORM_PKG == "redhat" ]; then
# Hook: before-install-deps-redhat
includeExtensions before-install-deps-redhat
if [ $PLATFORM_DISTRIBUTION == "Fedora" ]; then
# Hook: before-install-deps-redhat-fedora
includeExtensions before-install-deps-redhat-fedora
$SUDO dnf install epel-release -y
$SUDO dnf install $DEPS_REDHAT -y
# Hook: after-install-deps-redhat-fedora
includeExtensions after-install-deps-redhat-fedora
elif [ $PLATFORM_DISTRIBUTION == "RHEL" ]; then
# Hook: before-install-deps-redhat-rhel
includeExtensions before-install-deps-redhat-rhel
$SUDO yum install https://dl.fedoraproject.org/pub/epel/epel-release-latest-$PLATFORM_VERSION.noarch.rpm -y
echo
echo -n "Enabling rhel-$PLATFORM_VERSION-server-optional-rpms repository..."
$SUDO subscription-manager repos --enable rhel-$PLATFORM_VERSION-server-optional-rpms
$SUDO yum install $DEPS_REDHAT -y
# Hook: after-install-deps-redhat-rhel
includeExtensions after-install-deps-redhat-rhel
else
# Hook: before-install-deps-redhat-other
includeExtensions before-install-deps-redhat-other
$SUDO yum install epel-release -y
$SUDO yum install $DEPS_REDHAT -y
# Hook: after-install-deps-redhat-other
includeExtensions after-install-deps-redhat-other
fi
# Hook: after-install-deps-redhat
includeExtensions after-install-deps-redhat
if [[ $PLATFORM_DISTRIBUTION == "CentOS" && $PLATFORM_VERSION -eq 6 || $PLATFORM_DISTRIBUTION == "RHEL" && $PLATFORM_VERSION -eq 6 ]]; then
for p in "${!BINARY_PATHS_ARRAY[@]}" ; do
if [ -f "${BINARY_PATHS_ARRAY[$p]}/pngcrush" ]; then
ISSET_pngcrush=1
fi
done
if ! [ -z $ISSET_pngcrush ] && [ $ISSET_pngcrush -eq 0 ]; then
wget https://downloads.sourceforge.net/project/pmt/pngcrush/old-versions/1.8/1.8.0/pngcrush-1.8.0.tar.gz
tar -zxvf pngcrush-1.8.0.tar.gz
rm pngcrush-1.8.0.tar.gz
cd pngcrush-1.8.0
make
$SUDO cp pngcrush /bin/
cd ../
rm -rf pngcrush-1.8.0
fi
for p in "${!BINARY_PATHS_ARRAY[@]}" ; do
if [ -f "${BINARY_PATHS_ARRAY[$p]}/advpng" ]; then
ISSET_advpng=1
fi
done
if ! [ -z $ISSET_advpng ] && [ $ISSET_advpng -eq 0 ]; then
$SUDO yum install zlib-devel gcc-c++ -y
wget https://github.com/amadvance/advancecomp/releases/download/v2.0/advancecomp-2.0.tar.gz
tar -zxvf advancecomp-2.0.tar.gz
rm advancecomp-2.0.tar.gz
cd advancecomp-2.0
./configure
make
$SUDO make install
cd ../
rm -rf advancecomp-2.0
fi
fi
fi
# for p in "${!BINARY_PATHS_ARRAY[@]}" ; do
# if [ -f "${BINARY_PATHS_ARRAY[$p]}/djpeg" ]; then
# ISSET_djpeg=1
# fi
# done
# for p in "${!BINARY_PATHS_ARRAY[@]}" ; do
# if [ -f "${BINARY_PATHS_ARRAY[$p]}/cjpeg" ]; then
# ISSET_cjpeg=1
# fi
# done
# if [[ $ISSET_djpeg -eq 0 || $ISSET_cjpeg -eq 0 ]]; then
# git clone https://github.com/mozilla/mozjpeg.git
# cd mozjpeg/
# autoreconf -fiv
# ./configure
# if [ $PLATFORM_PKG == "debian" ]; then
# make deb
# $SUDO dpkg -i mozjpeg_*.deb
# else
# make
# $SUDO make install
# fi
# cd ../
# rm -rf mozjpeg
# fi
if ! [ -z $ISSET_pngout ] && [ $ISSET_pngout -eq 0 ]; then
wget http://static.jonof.id.au/dl/kenutils/pngout-20150319-linux.tar.gz
tar -xf pngout-20150319-linux.tar.gz
rm pngout-20150319-linux.tar.gz
if [ $PLATFORM_ARCH == 64 ]; then
$SUDO cp pngout-20150319-linux/x86_64/pngout /bin/pngout
else
$SUDO cp pngout-20150319-linux/i686/pngout /bin/pngout
fi
rm -rf pngout-20150319-linux
fi
# Hook: after-install-deps-linux
includeExtensions after-install-deps-linux
elif [ $PLATFORM == "macos" ]; then
# Hook: before-install-deps-macos
includeExtensions before-install-deps-macos
checkHomebrew
brew install $DEPS_MACOS
# Hook: after-install-deps-macos
includeExtensions after-install-deps-macos
elif [ $PLATFORM == "freebsd" ]; then
# Hook: before-install-deps-freebsd
includeExtensions before-install-deps-freebsd
# for p in "${!BINARY_PATHS_ARRAY[@]}" ; do
# if [ -f "${BINARY_PATHS_ARRAY[$p]}/git" ]; then
# ISSET_git=1
# else
# ISSET_git=0
# fi
# done
# if [[ $ISSET_git -eq 0 ]]; then
# cd /usr/ports/devel/git/
# make BATCH=yes install clean
# fi
for p in "${!BINARY_PATHS_ARRAY[@]}" ; do
if [ -f "${BINARY_PATHS_ARRAY[$p]}/wget" ]; then
ISSET_wget=1
else
ISSET_wget=0
fi
done
if [ $ISSET_wget -eq 0 ]; then
cd /usr/ports/ftp/wget/
make BATCH=yes install clean
fi
if ! [ -z $ISSET_jpegoptim ] && [ $ISSET_jpegoptim -eq 0 ]; then
cd /usr/ports/graphics/jpegoptim/
make BATCH=yes install clean
fi
if ! [[ -z $ISSET_djpeg || -z $ISSET_cjpeg || -z $ISSET_jpegtran ]] && [[ $ISSET_djpeg -eq 0 || $ISSET_cjpeg -eq 0 || $ISSET_jpegtran -eq 0 ]]; then
cd /usr/ports/graphics/jpeg/
make BATCH=yes install clean
fi
if ! [ -z $ISSET_pngcrush ] && [ $ISSET_pngcrush -eq 0 ]; then
cd /usr/ports/graphics/pngcrush/
make BATCH=yes install clean
fi
if ! [ -z $ISSET_optipng ] && [ $ISSET_optipng -eq 0 ]; then
cd /usr/ports/graphics/optipng/
make BATCH=yes install clean
fi
if ! [ -z $ISSET_advpng ] && [ $ISSET_advpng -eq 0 ]; then
cd /usr/ports/archivers/advancecomp/
make BATCH=yes install clean
fi
if ! [ -z $ISSET_gifsicle ] && [ $ISSET_gifsicle -eq 0 ]; then
cd /usr/ports/graphics/gifsicle/
make BATCH=yes install clean
fi
if ! [ -z $ISSET_pngout ] && [ $ISSET_pngout -eq 0 ]; then
cd ~
wget http://static.jonof.id.au/dl/kenutils/pngout-20150319-bsd.tar.gz
tar -xf pngout-20150319-bsd.tar.gz
rm pngout-20150319-bsd.tar.gz
if [ $PLATFORM_ARCH == 64 ]; then
$SUDO cp pngout-20150319-bsd/amd64/pngout /bin/pngout
else
$SUDO cp pngout-20150319-bsd/i686/pngout /bin/pngout
fi
rm -rf pngout-20150319-bsd
fi
# Hook: after-install-deps-freebsd
includeExtensions after-install-deps-freebsd
fi
else
echo "Your platform not supported! Please install dependaces manually."
echo "Info: $GIT_URL"
echo
fi
}
checkBashVersion()
{
if [[ $(echo $BASH_VERSION | cut -d '.' -f1) -lt $BASH_MIN_VERSION ]]; then
echo
$SETCOLOR_FAILURE
echo "Detected unsupported version of bash - ${BASH_VERSION}!"
echo "${BASH_MIN_VERSION}.* required."
$SETCOLOR_NORMAL
if [[ "$OSTYPE" == "darwin"* ]]; then
echo "1. Install new version and exit"
echo "0. Exit (default)"
echo
echo -n "Enter selection [0] > "
read item
case "$item" in
0) echo
echo "Exiting..."
echo
exit 0
;;
1) echo
installBashMacOS
echo "Exiting..."
echo
exit 0
;;
*) echo
echo "Exiting..."
echo
exit 0
;;
esac
else
echo
exit 0
fi
fi
}
installBashMacOS()
{
checkHomebrew
brew install bash
CUR_USER=$(whoami)
if [ $CUR_USER == "root" ]; then
SUDO=""
else
SUDO="sudo"
fi
if [ -z $(grep '/usr/local/bin/bash' /private/etc/shells) ]; then
$SUDO bash -c "echo '/usr/local/bin/bash' >> /private/etc/shells"
fi
if [ -f '~/.bash_profile' ]; then
if [ -z $(grep 'alias bash="/usr/local/bin/bash"' ~/.bash_profile) ]; then
bash -c "echo 'alias bash=\"/usr/local/bin/bash\"' >> ~/.bash_profile"
fi
else
bash -c "echo 'alias bash=\"/usr/local/bin/bash\"' > ~/.bash_profile"
fi
bash -c 'alias bash="/usr/local/bin/bash"'
}
checkHomebrew()
{
for p in "${!BINARY_PATHS_ARRAY[@]}" ; do
if [ -f "${BINARY_PATHS_ARRAY[$p]}/brew" ]; then
ISSET_brew=1
else
ISSET_brew=0
fi
done
if [ $ISSET_brew -eq 0 ]; then
/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
fi
}
getTimeMarkerPath()
{
TIME_MARKER_PATH=$(echo "$TIME_MARKER_PATH" | sed 's/\/$//')
if [ -z $TIME_MARKER ]; then
if [ -z $TIME_MARKER_PATH ]; then
echo "$DIR_PATH/$TIME_MARKER_NAME"
else
echo "$TIME_MARKER_PATH/$TIME_MARKER_NAME"
fi
else
if [[ $TIME_MARKER == *\/* ]]; then
echo "$TIME_MARKER"
else
if [ -z $TIME_MARKER_PATH ]; then
echo "$DIR_PATH/$TIME_MARKER"
else
echo "$TIME_MARKER_PATH/$TIME_MARKER"
fi
fi
fi
}
checkUserTimeMarker()
{
if [[ $TIME_MARKER =~ ^-?.*\/$ ]]; then
echo
$SETCOLOR_FAILURE
echo "Time marker filename not set in given path!" 1>&2
$SETCOLOR_NORMAL
echo
exit 1
fi
}
checkTimeMarkerPermissions()
{
if [[ "$OSTYPE" == "darwin"* ]]; then
TIME_MARKER_MODIFIED=$(stat -t %s -f %m -- "$1")
else
TIME_MARKER_MODIFIED=$(date -r "$1" +%s)
fi
touch -m "$1" 2>/dev/null
if [[ "$OSTYPE" == "darwin"* ]]; then
TIME_MARKER_MODIFIED_NEW=$(stat -t %s -f %m -- "$1")
else
TIME_MARKER_MODIFIED_NEW=$(date -r "$1" +%s)
fi
if [ $TIME_MARKER_MODIFIED -eq $TIME_MARKER_MODIFIED_NEW ]; then
echo
$SETCOLOR_FAILURE
echo "Current user have no permissions to modify time marker!" 1>&2
$SETCOLOR_NORMAL
echo
exit 1
else
if date --version >/dev/null 2>/dev/null ; then
touch -t $(date '+%Y%m%d%H%M.%S' -d @$TIME_MARKER_MODIFIED) "$1" > /dev/null # GNU version of date
else
touch -t $(date -r $TIME_MARKER_MODIFIED +%Y%m%d%H%M.%S) "$1" > /dev/null # Non GNU version of date
fi
fi
}
updateTimeMarker()
{
if [ $NEW_ONLY -eq 1 ]; then
touch -m "$TIME_MARKER_FULL_PATH" > /dev/null
if [ $TIME_MARKER_ISSET -eq 1 ]; then
echo "Time marker updated."
else
echo "Time marker created."
fi
echo
fi
}
fixTimeMarker()
{
if [ $NEW_ONLY -eq 1 ]; then
if [[ "$OSTYPE" == "darwin"* ]]; then
TIME_MARKER_MODIFIED_TIME=$(stat -t %s -f %m -- "$TIME_MARKER_FULL_PATH")
else
TIME_MARKER_MODIFIED_TIME=$(date -r "$TIME_MARKER_FULL_PATH" +%s)
fi
TIME_MARKER_MODIFIED_TIME=$(echo "$TIME_MARKER_MODIFIED_TIME+1" | bc)
if date --version >/dev/null 2>/dev/null ; then
touch -t $(date '+%Y%m%d%H%M.%S' -d @$TIME_MARKER_MODIFIED_TIME) "$TIME_MARKER_FULL_PATH" > /dev/null # GNU version of date
else
touch -t $(date -r $TIME_MARKER_MODIFIED_TIME +%Y%m%d%H%M.%S) "$TIME_MARKER_FULL_PATH" > /dev/null # Non GNU version of date
fi
fi
}
updateModifyTime()
{
if [ $NEW_ONLY -eq 1 ]; then
touch "$IMAGE" -r "$TIME_MARKER_FULL_PATH" > /dev/null
fi
}
optimJpegoptim()
{
jpegoptim --strip-all "$1" > /dev/null
}
optimJpegtran()
{
jpegtran -progressive -copy none -optimize "$1" > /dev/null
}
optimXjpeg()
{
# decompress in temp file
djpeg -outfile "$TMP_PATH/$(basename "$1")" "$1" > /dev/null 2>/dev/null
if [ -f "$TMP_PATH/$(basename "$1")" ]; then
SIZE_CHECK=$(wc -c "$TMP_PATH/$(basename "$1")" | awk '{print $1}')
if [[ SIZE_CHECK -gt 0 ]]; then
# compress and replace original file if temp file exists and not empty
cjpeg -quality 95 -optimize -progressive -outfile "$1" "$TMP_PATH/$(basename "$1")" > /dev/null
fi
fi
# cleanup
if [ -f "$TMP_PATH/$(basename "$1")" ]; then
rm "$TMP_PATH/$(basename "$1")"
fi
}
optimPngcrush()
{
IMAGE="$1"
IMAGE_DIR=$(dirname "$IMAGE")
cd "$IMAGE_DIR"
pngcrush -rem gAMA -rem cHRM -rem iCCP -rem sRGB -brute -l 9 -reduce -q -s -ow "$IMAGE" > /dev/null
}
optimOptipng()
{
OPTIPNG_V=$(optipng -v | head -n1 | grep -Eo '[0-9]+\.[0-9]+\.[0-9]+' | cut -d '.' -f2)
if ! [ -z $OPTIPNG_V ]; then
if [ $OPTIPNG_V -ge 7 ]; then
optipng -strip all -o7 -q "$1" > /dev/null
else
optipng -o7 -q "$1" > /dev/null
fi
else
optipng -o7 -q "$1" > /dev/null
fi
}
optimPngout()
{
pngout -q -y -k0 -s0 "$1" > /dev/null
}
optimAdvpng()
{
advpng -z -4 "$1" > /dev/null
}
optimGifsicle()
{
gifsicle --optimize=3 -b "$1" > /dev/null
#gifsicle --optimize=3 --lossy=30 -b "$IMAGE" # for lossy optimize
}
optimJPG()
{
#if [[ $ISSET_djpeg -eq 1 && $ISSET_cjpeg -eq 1 ]]; then
# optimXjpeg "$1"
#fi
if [[ $ISSET_jpegoptim -eq 1 ]]; then
optimJpegoptim "$1"
fi
if [[ $ISSET_jpegtran -eq 1 ]]; then
optimJpegtran "$1"
fi
}
optimPNG()
{
if [[ $ISSET_pngcrush -eq 1 ]]; then
optimPngcrush "$1"
fi
if [[ $ISSET_optipng -eq 1 ]]; then
optimOptipng "$1"
fi
if [[ $ISSET_pngout -eq 1 ]]; then
optimPngout "$1"
fi
if [[ $ISSET_advpng -eq 1 ]]; then
optimAdvpng "$1"
fi
}
optimGIF()
{
if [[ $ISSET_gifsicle -eq 1 ]]; then
optimGifsicle "$1"
fi
}
readableSize()
{
if [ $1 -ge 1000000000 ]; then
echo -n $(echo "scale=1; $1/1024/1024/1024" | bc | sed 's/^\./0./')"Gb"
elif [ $1 -ge 1000000 ]; then
echo -n $(echo "scale=1; $1/1024/1024" | bc | sed 's/^\./0./')"Mb"
else
echo -n $(echo "scale=1; $1/1024" | bc | sed 's/^\./0./')"Kb"
fi
}
readableTime()
{
local T=$1
local D=$((T/60/60/24))
local H=$((T/60/60%24))
local M=$((T/60%60))
local S=$((T%60))
(( $D > 0 )) && printf '%d days ' $D
(( $H > 0 )) && printf '%d hours ' $H
(( $M > 0 )) && printf '%d minutes ' $M
(( $D > 0 || $H > 0 || $M > 0 )) && printf 'and '
printf '%d seconds\n' $S
}
findExclude()
{
if ! [ -z "$EXCLUDE_LIST" ]; then
EXCLUDE_LIST=$(echo $EXCLUDE_LIST | sed 's/,$//g' | sed 's/^,//g' | sed 's/,/\\|/g')
grep -v "$EXCLUDE_LIST"
else
grep -v ">>>>>>>>>>>>>"
fi
}
checkEnabledExtensions()
{
if ! [ -z "$ENABLED_EXTENSIONS" ]; then
cd "$SCRIPT_PATH"
if [ -d extensions ]; then
if [[ "$ENABLED_EXTENSIONS" != "all" ]]; then
if ! [[ "$ENABLED_EXTENSIONS" =~ ^[[:alnum:]_-,]+$ ]]; then
echo
$SETCOLOR_FAILURE
echo "Wrong format of extensions list!"
$SETCOLOR_NORMAL
echo
exit 1
else
ENABLED_EXTENSIONS=$(echo $ENABLED_EXTENSIONS | sed 's/,$//g' | sed 's/^,//g' | sed 's/,/\ /g')
ENABLED_EXTENSIONS_ARR=($ENABLED_EXTENSIONS)
echo
echo "Checking selected extensions..."
for ENABLED_EXTENSION in ${ENABLED_EXTENSIONS_ARR[@]}; do
echo -n "${ENABLED_EXTENSION}..."
if ! [[ -z $(grep -lr "^#\ Extension:\ $ENABLED_EXTENSION$" extensions | tr '\n' ' ' | sed 's/\ $//') ]]; then
$SETCOLOR_SUCCESS
echo "[FOUND]"
$SETCOLOR_NORMAL
else
$SETCOLOR_FAILURE
echo "[NOT FOUND]"
$SETCOLOR_NORMAL
fi
done
fi
else
echo
echo "Enabled all extensions."
fi
else
echo
$SETCOLOR_FAILURE
echo "Extensions dir not found!"
$SETCOLOR_NORMAL
echo
exit 1
fi
fi
}
includeExtensions()
{
if ! [ -z "$ENABLED_EXTENSIONS" ]; then
cd "$SCRIPT_PATH"
if ! [ -z "$1" ] && [ -d extensions ]; then
local EXTF_LIST=$(grep -lr "^#\ Hook:\ $1$" extensions | tr '\n' ' ' | sed 's/\ $//')
if ! [ -z "$EXTF_LIST" ]; then
local EXTF_ARR=("$EXTF_LIST")
for EXTF in $EXTF_ARR; do
if [[ "$ENABLED_EXTENSIONS" == "all" ]]; then
. "$EXTF"
else
local EXTF_EXTENSION=$(grep -Eo '^#\ Extension:\ [[:alnum:]_-]+$' "$EXTF" | cut -d ' ' -f3)
if inArray "$EXTF_EXTENSION" "${ENABLED_EXTENSIONS_ARR[@]}"; then
. "$EXTF"
fi
fi
done
fi
fi
fi
}
joinBy()
{
local d=$1
shift
echo -n "$1"
shift
printf "%s" "${@/#/$d}"
}
lockDir()
{
if [ -f "${TMP_PATH}/${LOCK_FILE_NAME}" ]; then
sed "/^$/d" "${TMP_PATH}/${LOCK_FILE_NAME}" > "${TMP_PATH}/${LOCK_FILE_NAME}.tmp" && \
mv "${TMP_PATH}/${LOCK_FILE_NAME}.tmp" "${TMP_PATH}/${LOCK_FILE_NAME}"
echo "$DIR_PATH" >> "${TMP_PATH}/${LOCK_FILE_NAME}"
else
echo "$DIR_PATH" > "${TMP_PATH}/${LOCK_FILE_NAME}"
fi
}
unlockDir()
{
if [ -f "${TMP_PATH}/${LOCK_FILE_NAME}" ]; then
sed "/^$/d" "${TMP_PATH}/${LOCK_FILE_NAME}" > "${TMP_PATH}/${LOCK_FILE_NAME}.tmp" && \
mv "${TMP_PATH}/${LOCK_FILE_NAME}.tmp" "${TMP_PATH}/${LOCK_FILE_NAME}"
if [[ $(wc -l "${TMP_PATH}/${LOCK_FILE_NAME}" | sed 's/^[\ ]*//' | cut -d ' ' -f1) -gt 1 ]]; then
grep -v "^${DIR_PATH}$" "${TMP_PATH}/${LOCK_FILE_NAME}" > "${TMP_PATH}/${LOCK_FILE_NAME}.tmp" && \
mv "${TMP_PATH}/${LOCK_FILE_NAME}.tmp" "${TMP_PATH}/${LOCK_FILE_NAME}"
else
rm "${TMP_PATH}/${LOCK_FILE_NAME}"
fi
fi
}
checkDirLock()
{
if [ -f "${TMP_PATH}/${LOCK_FILE_NAME}" ]; then
sed "/^$/d" "${TMP_PATH}/${LOCK_FILE_NAME}" > "${TMP_PATH}/${LOCK_FILE_NAME}.tmp" && \
mv "${TMP_PATH}/${LOCK_FILE_NAME}.tmp" "${TMP_PATH}/${LOCK_FILE_NAME}"
if [[ $(grep "^${DIR_PATH}$" "${TMP_PATH}/${LOCK_FILE_NAME}") == "$DIR_PATH" ]]; then
echo "The directory is already locked by another script run! Exiting..."
echo
exit 0
fi
fi
}
savePerms()
{
if [[ "$OSTYPE" == "linux-gnu" ]]; then
CUR_OWNER=$(stat -c "%U:%G" "$IMAGE")
CUR_PERMS=$(stat -c "%a" "$IMAGE")
else
CUR_OWNER=$(ls -l "$IMAGE" | awk '{print $3":"$4}')
CUR_PERMS=$(stat -f "%Lp" "$IMAGE")
fi
}
restorePerms()
{
chown $CUR_OWNER "$IMAGE"
chmod $CUR_PERMS "$IMAGE"
}
usage()
{
echo
echo "Usage: bash $0 [options]"
echo
echo "Simple image optimizer for JPEG, PNG and GIF images."
echo
echo "Options:"
echo
echo " -h, --help Shows this help."
echo
echo " -v, --version Shows script version."
echo
echo " -p <dir>, Specify full path to input directory with "
echo " --path=<dir> or without slash in the end of path."
echo
echo " -q, --quiet Execute script without any questions and users "
echo " actions."
echo
echo " -l, --less Don't show optimizing process."
echo
echo " -c, --check-only Check tools with an opportunity to install "
echo " dependences. All options will be ignored "
echo " with this option (except for -h|--help and "
echo " -v|--version)."
echo
echo " -t <period>, Period for which to look for files by last "
echo " --time=<period> modified time. Must be set in minutes (10m, 30m "
echo " etc.) or hours (1h, 10h etc.) or days (1d, 30d "
echo " etc.). It is impossible to use this option with "
echo " -n|--new-only option. (test)"
echo
echo " -n, --new-only Looking for images newer than special time "
echo " marker file. It is automatically created or "
echo " modified in the end of optimizing using this "
echo " option. Recommended for cron usage to avoid "
echo " repeated optimization already optimized files. "
echo " By default time marker creates in working "
echo " directory which set in -p|--path option. It is "
echo " impossible to use this option with -t|--time "
echo " option. (test)"
echo
echo " -m <name>, Custom full path or name of time marker file. "
echo " --time-marker=<name>, Must be name of file (for changes time marker "
echo " -m <path>, name) or full path for custom time marker file "
echo " --time-marker=<path> in custom directory. Working only with "
echo " -n|--new-only option. (test)"
echo
echo " -tmp <dir>, Custom directory path for temporary files. "
echo " --tmp-path=<dir> Default value located in TMP_PATH variable "
echo " (/tmp by default)"
echo
echo " -e <list>, Comma separated parts list of paths to files "
echo " --exclude=<list> for exclusion from search. The script removes "
echo " from the search files in the full path of which "
echo " includes any value from the list."
echo
echo " -ext <list>, Comma separated list of script's extensions to "
echo " --extensions=<list> enable. Script's extensions disabled by default. "
echo " Use \"all\" to enable all found extensions."
echo
}
# Define default script vars
BASH_MIN_VERSION=4
TMP_PATH="/tmp"
GIT_URL="https://github.com/zevilz/zImageOptimizer"
DEBUG=0
HELP=0
SHOW_VERSION=0
NO_ASK=0
LESS=0
CHECK_ONLY=0
PERIOD=0