cosmopolitan/bin/fatcosmoinstall
2023-08-13 01:51:39 -07:00

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#!/bin/sh
# the `install -s` strip flag provided by gnu coreutils surprisngly
# enough understands the portable executable format however it will
# silently corrupt any actually portable executable it touches, due
# to how it overwrites the whole mz header and removes the dos stub
FIRST=1
for x; do
if [ $FIRST -eq 1 ]; then
set --
FIRST=0
fi
if [ x"$x" = x"-s" ]; then
continue
fi
set -- "$@" "$x"
done
# now magically copy multi-architecture build artifacts
if [ $# -gt 1 ]; then
# parse `install [$flags]... $src $dst`
i=0
n=$(( $# - 2 ))
dst=
src=
flags=
for x; do
if [ x"$x" != x"${x#* }" ]; then
# give up if any arguments contain spaces
exec install "$@"
fi
src=$dst
dst=$x
if [ $i -lt $n ]; then
flags="$flags $x"
fi
i=$(( i + 1 ))
done
arch=aarch64
# turn:
# install -c -m 644 foo.a /usr/lib/foo.a
# into:
# install -c -m 644 foo.a /usr/lib/foo.a
# install -c -m 644 .aarch/foo.a /usr/lib/.aarch/foo.a
if [ x"${dst##*/}" = x"${src##*/}" ] && # basenames are equal
[ x"$dst" != x"${dst%.a}" ]; then # specifies static archive
srcdir=${src%/*}
srcbas=${dst##*/}
if [ x"$srcdir" = x"$src" ]; then
srcdir=
elif [ -n "$srcdir" ]; then
srcdir="$srcdir/"
fi
if [ -f "$srcdir.$arch/$srcbas" ]; then
dstdir=${dst%/*}
dstbas=${dst##*/}
if [ x"$dstdir" = x"$dst" ]; then
dstdir=
elif [ -n "$dstdir" ]; then
dstdir="$dstdir/"
fi
if [ ! -d "$dstdir.$arch" ]; then
mkdir -p "$dstdir.$arch" || exit
fi
install $flags $src $dst || exit
exec install $flags \
"$srcdir.$arch/$srcbas" \
"$dstdir.$arch/$dstbas"
fi
fi
# turn:
# install -c -m 644 foo.a /usr/lib
# into:
# install -c -m 644 foo.a /usr/lib
# install -c -m 644 .aarch/foo.a /usr/lib/.aarch
arch=aarch64
if [ x"$src" != x"${src%.a}" ] && [ -d "$dst" ]; then
srcdir=${src%/*}
srcbas=${dst##*/}
if [ x"$srcdir" = x"$src" ]; then
srcdir=
elif [ -n "$srcdir" ]; then
srcdir="$srcdir/"
fi
if [ -f "$srcdir.$arch/$srcbas" ]; then
if [ ! -d "$dst/.$arch" ]; then
mkdir -p "$dst/.$arch" || exit
fi
install $flags $src $dst || exit
exec install $flags "$srcdir.$arch/$srcbas" "$dst/.$arch"
fi
fi
fi
exec install "$@"