package-creator

#!/usr/bin/env bash
. remastersys/usr/lib/remastersys/libremastersys.sh
. remastersys/etc/remastersys/remastersys.version

SuggestedVersion(){    
    verA=$(echo $VERSION | cut -d'.' -f1)
    verB=$(echo $VERSION | cut -d'.' -f2 | cut -d'-' -f1)
    verBB=$(( verB + 1 ))
    echo $verA"."$verBB"-1"
}

newver=$(SuggestedVersion)

echo -e "\n New version number ($newver, maybe?): "
read version

if [[ "$version" = "" ]]; then
    version="$newver"
fi

author="Daniel Dias Rodrigues <danieldiasr@gmail.com>"
url="https://github.com/nerun/remastersys"

mkdir tmp-locales
mkdir tmp-locales-gui

# ==============================================================================
# PROCEDURES ===================================================================
# ==============================================================================

ChangelogMaker(){
    # $1 = changelog or changelog.Debian
    # $2 = remastersys or remastersys-gui
    
    echo -e "\n Do you want to update the $fB$fLightRed$2 $1$fEND? (y/n)"
    read update
    
    if [ $update = "y" ]; then
        mv $1 $1'.old'
        echo "$2 ($version) unstable; urgency=low" > $1
        echo "" >> $1
        if [[ "$1" = "changelog.Debian" ]]; then
            echo "    * Updated DEBIAN files: control, md5sums etc." >> $1
        else
            echo "    * Write changes here." >> $1
        fi
        echo "" >> $1
        echo " -- $author  $(date -R)" >> $1
        echo "" >> $1
        cat $1'.old' >> $1
        rm $1'.old'
        nano -milqS $1
    else
        echo -e " -- OK, no $1 updates.\n"
    fi

    # Creating changelog.gz / changelog.Debian.gz
    # gzip deletes changelog file by default, remaining only changelog.gz
    gzip $1
}

# ==============================================================================
# REMASTERSYS ==================================================================
# ==============================================================================

# UPDATE VERSION
VERSION_OLD=$(echo $VERSION | cut -d'-' -f1)
VERSION_NEW=$(echo $version | cut -d'-' -f1)
sed -i "s/$VERSION_OLD/$VERSION_NEW/g" README.md
echo "VERSION=\"$version\"" > ./remastersys/etc/remastersys/remastersys.version

# MANPAGES PREPARATION
# gzip deletes remastersys.1 file by default, remaining only remastersys.1.gz
gzip remastersys/usr/share/man/man1/remastersys.1
gzip remastersys/usr/share/man/pt_BR/man1/remastersys.1

# CHANGELOG UPDATE
cd remastersys/usr/share/doc/remastersys
ChangelogMaker "changelog" "remastersys"
ChangelogMaker "changelog.Debian" "remastersys"

# MOVING LOCALES .po AND .POT
cd ../..
cd ./locale/pt_BR/LC_MESSAGES
# REMASTERSYS-GITHUB-ROOT/remastersys/usr/share/locale/pt_BR/LC_MESSAGES
mv *.po* ../../../../../../tmp-locales

# /DEBIAN UPDATE

# Move up to REMASTERSYS-GITHUB-ROOT/remastersys
cd ../../../../..

# md5sum
find . -type f | grep -v "DEBIAN" | sort | xargs md5sum | sed 's/ \./ /g' > ./DEBIAN/md5sums
# conffiles
find ./etc -type f | sort | sed 's/^.//g' > ./DEBIAN/conffiles

# md5sum for conffiles, but words inverted, to be inserted in control file
while read line; do
    echo ' '$(tac -s ' ' <<< $(md5sum .$line | sed 's/ .\/etc/\/etc/g')) >> ./DEBIAN/control-conffiles.tmp
done < ./DEBIAN/conffiles

# Move down to ./remastersys/DEBIAN
cd DEBIAN

# Calculate folder size
size=$(du -s ../../remastersys | cut -f 1)

echo "Package: remastersys
Priority: extra
Section: system
Installed-Size: $size
Maintainer: $author
Architecture: all
Version: $version
Depends: awk, bash, coreutils, dialog, fdisk, findutils, grub-common, grub-pc, hwdata, laptop-detect, live-boot, live-boot-initramfs-tools, live-config, live-config-systemd, mount, os-prober, passwd, rsync, sed, squashfs-tools, sudo, syslinux, syslinux-common, syslinux-efi, syslinux-utils, util-linux, xorriso, genisoimage, zstd
Conffiles:" > control

cat control-conffiles.tmp >> control
rm control-conffiles.tmp

echo "Homepage: $url
Description: Remaster and create backups of the Debian system
 Remastersys allows you to create a Live CD/DVD distribution or make a backup
 of the system installed on your machine." >> control

# Get back to Remastersys GitHub root folder
cd ../..

# ==============================================================================
# REMASTERSYS-GUI ==============================================================
# ==============================================================================

# down to GUI
cd remastersys-gui

# MANPAGES PREPARATION
# gzip deletes remastersys-gui.1 file by default, remaining only remastersys-gui.1.gz
if [ -f ./usr/share/man/man1/remastersys-gui.1 ]; then
    gzip ./usr/share/man/man1/remastersys-gui.1
fi

# CHANGELOG UPDATE
cd ./usr/share/doc/remastersys-gui
ChangelogMaker "changelog" "remastersys-gui"
ChangelogMaker "changelog.Debian" "remastersys-gui"

# MOVING LOCALES .po AND .POT
cd ../..
cd ./locale/pt_BR/LC_MESSAGES
# REMASTERSYS-GITHUB-ROOT/remastersys-gui/usr/share/locale/pt_BR/LC_MESSAGES
mv *.po* ../../../../../../tmp-locales-gui

# Move up to REMASTERSYS-GITHUB-ROOT/remastersys-gui
cd ../../../../..

# /DEBIAN UPDATE

# md5sum
find . -type f | grep -v "DEBIAN" | sort | xargs md5sum | sed 's/ \./ /g' > ./DEBIAN/md5sums

# Move down to ./remastersys-gui/DEBIAN
cd DEBIAN

# Calculate folder size
sizegui=$(du -s ../../remastersys-gui | cut -f 1)

echo "Package: remastersys-gui
Priority: extra
Section: system
Installed-Size: $sizegui
Maintainer: $author
Architecture: all
Version: $version
Depends: gparted, read-edid, remastersys (>= $version), xterm, yad
Homepage: $url
Description: Remaster and create backups of the Debian system
 This is the visual interface of Remastersys." > control

# Get back to Remastersys GitHub root folder
cd ../..

# ==============================================================================
# PACKAGING ====================================================================
# ==============================================================================

# Rename remastersys folder for packaging
name="remastersys_"$version"_all"
namegui="remastersys-gui_"$version"_all"

mv remastersys "$name"
mv remastersys-gui "$namegui"

# Packaging
dpkg-deb -b --root-owner-group "$name"
dpkg-deb -b --root-owner-group "$namegui"

# ==============================================================================
# RESTORATION ==================================================================
# ==============================================================================

# REMASTERSYS
# folder name
mv "$name" remastersys

# delete gziped changelogs and restore single textual changelog
gzip -d ./remastersys/usr/share/doc/remastersys/changelog.gz
gzip -d ./remastersys/usr/share/doc/remastersys/changelog.Debian.gz

# manpages restoration
gzip -d ./remastersys/usr/share/man/man1/remastersys.1.gz
gzip -d ./remastersys/usr/share/man/pt_BR/man1/remastersys.1.gz

# .po and .pot restoration
mv ./tmp-locales/*.po* ./remastersys/usr/share/locale/pt_BR/LC_MESSAGES
rm -r tmp-locales

# REMASTERSYS-GUI
# folder name
mv "$namegui" remastersys-gui

# delete gziped changelogs and restore single textual changelog
gzip -d ./remastersys-gui/usr/share/doc/remastersys-gui/changelog.gz
gzip -d ./remastersys-gui/usr/share/doc/remastersys-gui/changelog.Debian.gz

# manpages restoration
if [ -f ./remastersys-gui/usr/share/man/man1/remastersys-gui.1.gz ]; then
    gzip -d ./remastersys-gui/usr/share/man/man1/remastersys-gui.1.gz
fi

# .po and .pot restoration
mv ./tmp-locales-gui/*.po* ./remastersys-gui/usr/share/locale/pt_BR/LC_MESSAGES
rm -r tmp-locales-gui