Add ksh93 [new package]

ksh93/PKGBUILD

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+# This took a lot of trial and error. There possibly should be patches from the linked gisburn repo and the ones from debian and red hat.
+#
+pkgname=ksh93
+pkgver=1.0.10
+pkgrel=1
+pkgdesc="The Original ATT Korn Shell, Now Maintained By The Community."
+arch=('x86_64')
+url="https://www.github.com/ksh93/ksh"
+license=('spdx:EPL-2.0')
+
+# These makedeps were suggested by 'gisburn' in a ksh93 issue.
+makedepends=(
+	'gcc'
+	'gdb'
+	'make'
+	'gettext'
+	'gettext-devel'
+	'flex'
+	'bison'
+	'unzip'
+	'pax'
+	'tar'
+	'libiconv-devel'
+	'ncurses-devel'
+	'gmp-devel'
+	'mpfr-devel'
+	'mpc-devel'
+	'isl-devel'
+	'procps-ng'
+)
+# There exists already a package that provides ksh.exe, mksh, so I will set this to be a conflict.
+# Unless there can be a convincing reason to let both packages be installed.
+conflicts=('mksh')
+
+source=("${pkgname}-${pkgver}.zip"::https://github.com/ksh93/ksh/archive/refs/tags/v1.0.10.zip
+	'ksh.kshrc')
+sha256sums=('ab412118ce9527c6d805335080593fa874a0b859e9229c172f3fcf55d26f92e9'
+	'SKIP')
+
+# This is necessary
+export PATH="/bin:/usr/bin:$gccdir:$gccdir/include:/usr/include"
+
+# Things might get a bit messary, prepare yourselves.
+# I really should use gisburn's kshrc default config.
+build() {
+	cd "${srcdir}/ksh-${pkgver}"
+
+	export CYGWIN_CHOST="${CHOST/-msys/-cygwin}"
+
+	# Do not, I repeat, DO NOT delete the src subdir.
+	# For now, multiple rounds must be done.
+
+	# Bit of a workaround with cc1.exe not found for some reason.
+	export gccdir="/usr/lib/gcc/x86_64-pc-msys/13.3.0"
+	export PATH="/bin:/usr/bin:$gccdir:$gccdir/include:/usr/include"
+
+	# Additional weird workaround.
+	export CFLAGS="-I/usr/lib/gcc/x86_64-pc-msys/13.3.0/include"
+	export CFLAGS="$CFLAGS -L/usr/lib/gcc/x86_64-pc-msys/13.3.0 -L/usr/lib"
+	export CCFLAGS="${CFLAGS} -fno-use-linker-plugin"
+	export LIBRARY_PATH="/usr/lib/gcc/x86_64-pc-msys/13.3.0"
+
+	export PATH="$PATH:$PWD/arch/msys.i386/lib/probe/C/make"
+
+	# What the inane build system does by default is
+	# entirely a shell script system. It sets 'chmod +x' to the script
+	# but that does nothing with windows. Need to append
+	# shebang at the start.
+	sed -i '1s/^/#!\/usr\/bin\/bash\n/' src/cmd/INIT/mamprobe.sh
+	sed -i '6s/^/#undef _lib_iconv_open\n/' src/lib/libast/features/iconv # Without this, fails with libiconv installed.
+
+	# It WILL fail during the first round. It MUST be ran twice.
+	printf "This WILL show an error at some point. This is to be expected.\n"
+	printf "The build command is ran twice because of fork() issue.\n"
+	printf "\n\nRound 1 begins now.\n\n"
+	sleep 2
+
+	CC="/usr/bin/gcc" /usr/bin/bash bin/package make PACKAGEROOT="$PWD" || true
+
+	printf "\n\nSecond and final round begins now.\n\n"
+	sleep 2
+	CC="/usr/bin/gcc" /usr/bin/bash bin/package make PACKAGEROOT="$PWD" || true
+
+	sleep 2
+	printf "\n\nFinished!\n\n"
+	sleep 2
+
+
+}
+
+package() {
+	cd "${srcdir}"
+	install -dm0755 "${pkgdir}/etc/skel"
+	install -dm0755 "${pkgdir}/usr/share/ksh"
+	install -dm0755 "${pkgdir}/usr/share/doc/ksh"
+	install -dm0755 "${pkgdir}/usr/share/licenses/ksh"
+
+	# Install the core components of ksh93
+	cd "${srcdir}/ksh-${pkgver}"
+	CC="/usr/bin/gcc" /usr/bin/bash bin/package install "${pkgdir}/usr" PACKAGEROOT="$PWD"
+
+	# install ksh sample rc file
+	install -Dm644 "${srcdir}/ksh.kshrc" "${pkgdir}/etc/ksh.kshrc"
+
+	# Install copyright and license files
+	install -Dm0644 LICENSE.md "${pkgdir}/usr/share/licenses/ksh/LICENSE.md"
+	install -Dm0644 COPYRIGHT "${pkgdir}/usr/share/licenses/ksh/COPYRIGHT"
+
+	local _docs
+	for _docs in 'builtins.mm' 'COMPATIBILITY' 'DESIGN' 'OBSOLETE' 'PROMO.mm' 'README' 'README-AUDIT.md' \
+		'RELEASE' 'RELEASE88' 'RELEASE93' 'sh.memo' 'TYPES'; do
+	install -Dm0644 "src/cmd/ksh93/${_docs}" "${pkgdir}/usr/share/doc/ksh/${_docs}"
+done
+
+	# Because ksh.exe, like mksh, provided by this package and often people want to specify ksh93,
+ 	# I will make a copy of of the ksh executable naming it ksh93.exe.
+  	cp "${pkgdir}/usr/bin/ksh.exe" "${pkgdir}/usr/bin/ksh93.exe"
+
+	# Lastly, move ksh-specific /usr/share/fun to /usr/share/ksh/functions
+	mv "${pkgdir}/usr/share/fun" "${pkgdir}/usr/share/ksh/functions"
+
+
+
+}

ksh93/ksh.kshrc

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+# If you want to edit or add to this file,
+# create $HOME/.kshrc and put it in there. Only this file and
+# $HOME/.kshrc are sourced when interactive.
+
+PS1=$'\E[1;91m$(/usr/bin/logname)@$(/usr/bin/hostname) \E[1;33m${PWD/~(Sl-r)$HOME/"~"}\E[0m$ '
+
+# You can change to vi if you want to.
+set -o emacs