| #!/bin/sh |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| set -eu |
|
|
| BASE="https://dssl-sable.vercel.app" |
| DEST="${1:-.}" |
|
|
| fetch() { |
| |
| if command -v curl >/dev/null 2>&1; then |
| curl -fsSL "$1" -o "$2" |
| elif command -v wget >/dev/null 2>&1; then |
| wget -qO "$2" "$1" |
| else |
| echo "dssl installer: I need 'curl' or 'wget' to download the engine. Install either one and run this again." >&2 |
| exit 1 |
| fi |
| } |
|
|
| unpack() { |
| |
| |
| |
| archive="$1" |
| where="$2" |
| case "$archive" in |
| *.tar.gz) |
| tar -xzf "$archive" -C "$where" |
| ;; |
| *.zip) |
| if command -v unzip >/dev/null 2>&1; then |
| unzip -q "$archive" -d "$where" |
| elif command -v python3 >/dev/null 2>&1; then |
| python3 -c "import sys, zipfile; zipfile.ZipFile(sys.argv[1]).extractall(sys.argv[2])" "$archive" "$where" |
| else |
| echo "dssl installer: no tar, no unzip, no python3. One of the three, please." >&2 |
| exit 1 |
| fi |
| ;; |
| esac |
| } |
|
|
| |
| TMP="$(mktemp -d 2>/dev/null || echo "${TMPDIR:-/tmp}/dssl-install-$$")" |
| mkdir -p "$TMP" |
| trap 'rm -rf "$TMP"' EXIT INT TERM |
|
|
| echo "fetching the DSSL engine..." |
|
|
| if command -v tar >/dev/null 2>&1; then |
| fetch "$BASE/dssl-engine.tar.gz" "$TMP/engine.tar.gz" |
| unpack "$TMP/engine.tar.gz" "$TMP" |
| else |
| fetch "$BASE/dssl-engine.zip" "$TMP/engine.zip" |
| unpack "$TMP/engine.zip" "$TMP" |
| fi |
|
|
| if [ ! -d "$TMP/dssl-engine" ]; then |
| echo "dssl installer: the package came down in an unexpected shape. Grab it manually: $BASE/dssl-engine.zip" >&2 |
| exit 1 |
| fi |
|
|
| mkdir -p "$DEST" |
| rm -rf "$DEST/dssl-engine" |
| cp -R "$TMP/dssl-engine" "$DEST/dssl-engine" |
|
|
| echo "" |
| echo "DSSL engine installed to $DEST/dssl-engine" |
| echo "" |
| echo "next: open dssl-engine/USAGE.md. It is two tags and one example file." |
|
|
