Blame Scripts/Bash/Functions/Identity/identity_renderDm.sh

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#!/bin/bash
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#
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# identity_renderDm.sh -- This function collects Display Manager (DM)
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# required files and creates a tar.gz package that groups them all
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# together. Use this function as last-rendition action for Gdm and Kdm
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# base-rendition actions.
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#
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# Usage:
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#
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#   ACTIONS[1]='LAST:renderDm:TYPE:RESOLUTION'
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#
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# Where:
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#
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#   TYPE can be either `Gdm' or `Kdm'. These values correspond to the
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#   directory names used to store related design models.
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#
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#   RESOLUTION represents the screen resolution tar.gz files are
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#   produced for (e.g., 800x600, 1024x768, 2048x1536, etc.). 
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#
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# In order to produce tar.gz files correctly, both screen resolution
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# definition inside pre-rendition configuration script and background
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# name inside theme directory structure need to match one another.  If
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# one screen resolution is defined correctly, but there is no
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# background information for it, the related tar.gz file is not
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# produced and the next file in the list of files to process is
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# evaluated.
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#
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# Copyright (C) 2009-2011 Alain Reguera Delgado
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# 
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation; either version 2 of the
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# License, or (at your option) any later version.
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# 
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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# USA.
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# 
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# ----------------------------------------------------------------------
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# $Id$
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# ----------------------------------------------------------------------
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function identity_renderDm {
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    local -a SRC
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    local -a DST
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    local DM=''
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    local TGZ=''
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    local COUNT=0
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    local RESOLUTION=''
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    local RESOLUTIONS=''
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    # Get display manager passed from render.conf.sh pre-rendition
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    # configuration script.
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    DM=$(identity_getConfigOption "${ACTION}" '2')
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    # Sanitate display manager passed from render.conf.sh
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    # pre-rendition configuration script. Whatever value be retrived
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    # as display manager configuration option is converted to
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    # uppercase in order to match either Gdm or Kdm design model
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    # directory structures.
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    DM=$(cli_getRepoName "$DM" 'd')
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    # Get screen resolutions passed from render.conf.sh pre-rendition
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    # configuration script.
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    RESOLUTIONS=$(identity_getConfigOption "${ACTION}" '3')
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    # Check screen resolutions passed from render.conf.sh
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    # pre-rendition configuration script.
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    if [[ "$RESOLUTIONS" == '' ]];then
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        cli_printMessage "`gettext "There is no resolution information to process."`" 'AsErrorLine'
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        cli_printMessage $(caller) "AsToKnowMoreLine"
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    fi
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    # Define source files using absolute paths.
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    SRC[0]=$(cli_getRepoTLDir)/Identity/Brands/Img/Symbol/48.png
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    SRC[1]=${OUTPUT}/release.png
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    SRC[2]=${OUTPUT}/screenshot.png
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    SRC[3]=$(cli_getRepoTLDir)/Identity/Themes/Models/${THEMEMODEL}/Distro/${DM}/GdmGreeterTheme.xml
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    SRC[4]=$(cli_getRepoTLDir)/Identity/Themes/Models/${THEMEMODEL}/Distro/${DM}/GdmGreeterTheme.desktop
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    SRC[5]=$(cli_getRepoTLDir)/Identity/Themes/Motifs/$(cli_getPathComponent '--theme')/Backgrounds/Img/Png
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    SRC[6]=$(cli_getRepoTLDir)/Identity/Themes/Models/${THEMEMODEL}/Distro/${DM}/icon-language.png
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    SRC[7]=$(cli_getRepoTLDir)/Identity/Themes/Models/${THEMEMODEL}/Distro/${DM}/icon-reboot.png
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    SRC[8]=$(cli_getRepoTLDir)/Identity/Themes/Models/${THEMEMODEL}/Distro/${DM}/icon-session.png
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    SRC[9]=$(cli_getRepoTLDir)/Identity/Themes/Models/${THEMEMODEL}/Distro/${DM}/icon-shutdown.png
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    # Define name used as temporal holder to build tar.gz file. 
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    TGZ=$(cli_getPathComponent '--theme-name')
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    # Define target files using relative paths.
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    DST[0]=${TGZ}/centos-symbol.png
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    DST[1]=${TGZ}/centos-release.png
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    DST[2]=${TGZ}/screenshot.png
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    DST[3]=${TGZ}/${TGZ}.xml
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    DST[4]=${TGZ}/GdmGreeterTheme.desktop
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    DST[5]=${TGZ}/background.png
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    DST[6]=${TGZ}/icon-language.png
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    DST[7]=${TGZ}/icon-reboot.png
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    DST[8]=${TGZ}/icon-session.png
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    DST[9]=${TGZ}/icon-shutdown.png
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    # Move into the working directory.
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    pushd ${OUTPUT} > /dev/null
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    # Create directory used as temporal holder to build tar.gz file.
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    if [[ ! -d ${TGZ} ]];then
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        mkdir ${TGZ}
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    fi
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    for RESOLUTION in $RESOLUTIONS;do
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        while [[ $COUNT -lt ${#SRC[*]} ]];do
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            if [[ $COUNT -eq 5 ]];then
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                # Redefine background information using resolution as
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                # reference. Avoid concatenation.
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                SRC[$COUNT]=$(echo "${SRC[$COUNT]}" | cut -d/ -f-13)/${RESOLUTION}-final.png
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                # If background information defined inside
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                # pre-rendition configuration script doesn't match
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                # background information inside theme-specific
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                # backgrounds directory structure, try the next
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                # background definition.
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                if [[ ! -f ${SRC[$COUNT]} ]];then
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                    continue 2
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                fi
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            elif [[ $COUNT =~ '^[6-9]$' ]];then
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                # If display manager is Kdm, then increment counter and
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                # resume the next iteration. Icons aren't used on Kdm,
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                # so there's no need to have them inside it.
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                if [[ $DM =~ '^Kdm$' ]];then
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                    COUNT=$(($COUNT + 1))
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                    continue
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                fi
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            fi
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            # Check existence of source files.
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            cli_checkFiles ${SRC[$COUNT]}
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            # Copy files from source to target location.
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            cp ${SRC[$COUNT]} ${DST[$COUNT]}
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            # Replace common translation markers from design model
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            # files with appropriate information.
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            if [[ $COUNT =~ '^(3|4)$'  ]];then
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                cli_replaceTMarkers "${DST[$COUNT]}"
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            fi
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            # Increment counter.
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            COUNT=$(($COUNT + 1))
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        done
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        # Reset counter.
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        COUNT=0
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        # Print action message.
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        cli_printMessage "${OUTPUT}/${RESOLUTION}.tar.gz" "AsCreatingLine"
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        # Create tar.gz file.
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        tar -czf "${RESOLUTION}.tar.gz" $TGZ
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    done
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    # Remove directory used as temporal holder to build targ.gz
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    # file.
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    rm -r $TGZ
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    # Remove release-specific images.
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    cli_printMessage "${SRC[1]}" "AsDeletingLine"
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    rm ${SRC[1]}
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    cli_printMessage "${SRC[2]}" "AsDeletingLine"
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    rm ${SRC[2]}
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    # Return to where we were initially.
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    popd > /dev/null
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    # Output division rule.
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    cli_printMessage '-' 'AsSeparatorLine'
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}