178 lines
3.9 KiB
Bash
Executable File
178 lines
3.9 KiB
Bash
Executable File
#!/bin/sh
|
|
|
|
GOCC=${GOCC=go}
|
|
|
|
die() {
|
|
echo "$@" >&2
|
|
exit 1
|
|
}
|
|
|
|
have_binary() {
|
|
type "$1" > /dev/null 2> /dev/null
|
|
}
|
|
|
|
check_writable() {
|
|
printf "" > "$1" && rm "$1"
|
|
}
|
|
|
|
try_download() {
|
|
url="$1"
|
|
output="$2"
|
|
command="$3"
|
|
util_name="$(set -- $command; echo "$1")"
|
|
|
|
if ! have_binary "$util_name"; then
|
|
return 1
|
|
fi
|
|
|
|
printf '==> Using %s to download "%s" to "%s"\n' "$util_name" "$url" "$output"
|
|
if eval "$command"; then
|
|
echo "==> Download complete!"
|
|
return
|
|
else
|
|
echo "error: couldn't download with $util_name ($?)"
|
|
return 1
|
|
fi
|
|
}
|
|
|
|
download() {
|
|
dl_url="$1"
|
|
dl_output="$2"
|
|
|
|
test "$#" -eq "2" || die "download requires exactly two arguments, was given $@"
|
|
|
|
if ! check_writable "$dl_output"; then
|
|
die "download error: cannot write to $dl_output"
|
|
fi
|
|
|
|
try_download "$dl_url" "$dl_output" "wget '$dl_url' -O '$dl_output'" && return
|
|
try_download "$dl_url" "$dl_output" "curl --silent --fail --output '$dl_output' '$dl_url'" && return
|
|
try_download "$dl_url" "$dl_output" "fetch '$dl_url' -o '$dl_output'" && return
|
|
try_download "$dl_url" "$dl_output" "http '$dl_url' > '$dl_output'" && return
|
|
try_download "$dl_url" "$dl_output" "ftp -o '$dl_output' '$dl_url'" && return
|
|
|
|
die "Unable to download $dl_url. exiting."
|
|
}
|
|
|
|
unarchive() {
|
|
ua_archivetype="$1"
|
|
ua_infile="$2"
|
|
ua_outfile="$3"
|
|
ua_distname="$4"
|
|
ua_binpostfix=""
|
|
ua_os=$(uname -o)
|
|
|
|
if [ "$ua_os" = "Msys" ] || [ "$ua_os" = "Cygwin" ] ; then
|
|
ua_binpostfix=".exe"
|
|
fi
|
|
ua_outfile="$ua_outfile$ua_binpostfix"
|
|
|
|
if ! check_writable "$ua_outfile"; then
|
|
die "unarchive error: cannot write to $ua_outfile"
|
|
fi
|
|
|
|
case "$ua_archivetype" in
|
|
tar.gz)
|
|
if have_binary tar; then
|
|
echo "==> using 'tar' to extract binary from archive"
|
|
< "$ua_infile" tar -Ozxf - "$ua_distname/$ua_distname$ua_binpostfix" > "$ua_outfile" \
|
|
|| die "tar has failed"
|
|
else
|
|
die "no binary on system for extracting tar files"
|
|
fi
|
|
;;
|
|
zip)
|
|
if have_binary unzip; then
|
|
echo "==> using 'unzip' to extract binary from archive"
|
|
unzip -p "$ua_infile" "$ua_distname/$ua_distname$ua_binpostfix" > "$ua_outfile" \
|
|
|| die "unzip has failed"
|
|
else
|
|
die "no installed method for extracting .zip archives"
|
|
fi
|
|
;;
|
|
*)
|
|
die "unrecognized archive type '$ua_archivetype'"
|
|
esac
|
|
|
|
chmod +x "$ua_outfile" || die "chmod has failed"
|
|
}
|
|
|
|
get_go_vars() {
|
|
if [ ! -z "$GOOS" ] && [ ! -z "$GOARCH" ]; then
|
|
printf "%s-%s" "$GOOS" "$GOARCH"
|
|
elif have_binary go; then
|
|
printf "%s-%s" "$($GOCC env GOOS)" "$($GOCC env GOARCH)"
|
|
else
|
|
die "no way of determining system GOOS and GOARCH\nPlease manually set GOOS and GOARCH then retry."
|
|
fi
|
|
}
|
|
|
|
mkurl() {
|
|
m_root="$1"
|
|
m_name="$2"
|
|
m_vers="$3"
|
|
m_archive="$4"
|
|
m_govars=$(get_go_vars) || die "could not get go env vars"
|
|
|
|
echo "https://ipfs.io$m_root/$m_name/$m_vers/${m_name}_${m_vers}_$m_govars.$m_archive"
|
|
}
|
|
|
|
distroot="$1"
|
|
distname="$2"
|
|
outpath="$3"
|
|
version="$4"
|
|
|
|
if [ -z "$distroot" ] || [ -z "$distname" ] || [ -z "$outpath" ] || [ -z "$version" ]; then
|
|
die "usage: dist_get <distroot> <distname> <outpath> <version>"
|
|
fi
|
|
|
|
case $version in
|
|
v*)
|
|
# correct input
|
|
;;
|
|
*)
|
|
echo "invalid version '$version'" >&2
|
|
die "versions must begin with 'v', for example: v0.4.0"
|
|
;;
|
|
esac
|
|
|
|
# TODO: don't depend on the go tool being installed to detect this
|
|
goenv=$(get_go_vars) || die "could not get go env vars"
|
|
|
|
case $goenv in
|
|
linux-*)
|
|
archive="tar.gz"
|
|
;;
|
|
darwin-*)
|
|
archive="tar.gz"
|
|
;;
|
|
windows-*)
|
|
archive="zip"
|
|
;;
|
|
freebsd-*)
|
|
archive="tar.gz"
|
|
;;
|
|
openbsd-*)
|
|
archive="tar.gz"
|
|
;;
|
|
*)
|
|
echo "unrecognized system environment: $goenv" >&2
|
|
die "currently only linux, darwin, windows and freebsd are supported by this script"
|
|
esac
|
|
|
|
|
|
mkdir -p bin/tmp
|
|
|
|
url=$(mkurl "$distroot" "$distname" "$version" "$archive")
|
|
tmpfi="bin/tmp/$distname.$archive"
|
|
|
|
download "$url" "$tmpfi"
|
|
if [ $? -ne 0 ]; then
|
|
die "failed to download $url to $tmpfi"
|
|
fi
|
|
|
|
unarchive "$archive" "$tmpfi" "$outpath" "$distname"
|
|
if [ $? -ne 0 ]; then
|
|
die "failed to extract archive $tmpfi"
|
|
fi
|