msys2-installer/create-sfx.sh
Christoph Reiter c898282f3f Switch the sfx installer to zstandard
Using a 7zip fork with zstandard support: https://github.com/mcmilk/7-Zip-zstd

Saves 20% CPU when extracting, also uses ~50MB less peak memory.
Downside is a 5% larger installer.
2021-11-29 17:31:21 +01:00

29 lines
796 B
Bash

#!/bin/bash
# usage: ./create-sfx.sh /some/path/to/msys64 installer.exe
set -e
# Download and extract https://github.com/mcmilk/7-Zip-zstd
NAME="7z21.03-zstd-x64"
CHECKSUM="531b20dfb03d8f30f61ae56a181610bbb6f3cf7cc71dac1d8f95511289de76f3"
DIR="$( cd "$( dirname "$0" )" && pwd )"
mkdir -p "$DIR/_cache"
BASE="$DIR/_cache/$NAME"
if [ ! -f "$BASE.exe" ]; then
curl --fail -L "https://github.com/mcmilk/7-Zip-zstd/releases/download/v21.03-v1.5.0-R2/$NAME.exe" -o "$BASE.exe"
fi
echo "$CHECKSUM $BASE.exe" | sha256sum --quiet --check
if [ ! -d "$BASE" ]; then
7z e -o"$BASE" "$DIR/_cache/$NAME.exe"
fi
# Creat SFX installer
INPUT="$1"
OUTPUT="$2"
TEMP="$OUTPUT.payload"
rm -f "$TEMP"
"$BASE/7z" a "$TEMP" -ms1T -m0=zstd -mx22 "$INPUT"
cat "$BASE/7zCon.sfx" "$TEMP" > "$OUTPUT"
rm "$TEMP"