91 lines
3.0 KiB
Bash
91 lines
3.0 KiB
Bash
# Copyright 2021-2024 Gentoo Authors
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# Distributed under the terms of the GNU General Public License v2
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# @ECLASS: wise.eclass
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# @MAINTAINER:
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# moog621@gmail.com
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# @AUTHOR:
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# moog621@gmail.com
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# @SUPPORTED_EAPIS: 7
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# @BLURB: Functions to work with WISE installers.
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# @DESCRIPTION:
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# This class will provide various bits and bobs to work with WISE installers
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# that were popular in retail and shareware softwares in the 1990s.
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# There are 2 key components at play.
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# First, there is a Pascal program that runs in DOS, Windows and OS/2.
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# There exists source code for it, but porting it to FreePascal and Linux
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# proves very challenging. Instead, the DOS version is run inside of DOSBox.
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# It takes a considerable amount of time, but it gets it right. Unfortunately,
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# the program does not respect any directory structures or filenames, so
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# we are left to pick up the pieces with key component 2: shell functions
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# made for cleaning up this mess.
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# In order to disable network-sandbox:
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PROPERTIES+="live"
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# @ECLASS_VARIABLE: WISE_INSTALLER
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# @DESCRIPTION:
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# WISE installer path. It can be an array!
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: ${WISE_INSTALLER:=}
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LICENSE+="e_wise-mit-like"
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SRC_URI+="
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http://kannegieser.net/veit/programm/e_wise.arj
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"
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BDEPEND+="
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games-emulation/dosbox
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app-arch/p7zip
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"
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# @FUNCTION: wise_unpack_installers
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# @DESCRIPTION:
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# This function requires that a global array called WISE_INSTALLER be declared on the package's level.
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# All paths in that variable will be extracted with e_wise for DOS, because a native version does not exist yet.
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wise_unpack_installers() {
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mkdir wise_output
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mkdir ewise
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pushd ewise
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7z x "${DISTDIR}/e_wise.arj"
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popd
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local counter=0
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for wiseguy in ${WISE_INSTALLER[@]}; do
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wiseguy_abs=$(readlink -f ${wiseguy})
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wiseguy_dir=$(echo ${wiseguy} | sed 's/\.exe//')
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wiseguy_config="${wiseguy}.dosbox"
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cat <<EOF > "${wiseguy_config}"
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[autoexec]
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mount D ${WORKDIR}/ewise
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mount E ${WORKDIR}/${wiseguy_dir}
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mount F ${WORKDIR}
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D:\\E_WISE_D.EXE F:\\${counter}.exe E:\\
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exit
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EOF
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mkdir ${wiseguy_dir}
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ln -s ${DISTDIR}/${wiseguy} ${counter}.exe
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pushd ${wiseguy_dir}
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elog "Extracting ${wiseguy} in DOSBox"
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SDL_VIDEODRIVER=dummy dosbox -conf ${WORKDIR}/${wiseguy_config}
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elog "Creating directory structures"
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grep filename:\ MAINDIR 00000000.BAT | sed 's/^.*filename:\ MAINDIR\\//;s/\\/\//g;s:[^/]*$::;s/\/$//' | sort -u | xargs mkdir -p
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elog "Renaming files"
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grep ^MOVE\s*.*\ MAINDIR 00000000.BAT -B1 | tr -d '\r' | sed 's/\\/\//g;s/^MOVE\s*\([^/]*\)\ MAINDIR\/\(.*\)$/\2\/\1/;s/^RENAME\ \([^/]*\)\ .*$/mv\ \1/;/^\-\-$/d' | sed 'N;s/\.EWI\n/\.EWI\ /' | sh
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for i in $(ls | grep \\.EWI$); do
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if [ $(grep -c "^RENAME\ $i\ .*$" 00000000.BAT) -eq 0 ]; then
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elog "Removing homeless file $i"
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rm -f $i
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fi
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done
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for i in $(grep EWI\ W32INST_PATH_ 00000000.BAT | awk '{print $2}'); do
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elog "Removing useless file $i"
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rm -f $i
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done
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elog "Removing useless file 00000000.BAT"
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elog "Removing useless file 00000000.TXT"
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rm -f 00000000.BAT 00000000.TXT
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mv * ${WORKDIR}/wise_output
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popd
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counter=$((${counter} + 1))
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done
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}
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