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#!/bin/sh
set -e
color() {
fg="$1"
bg="${2}"
ft="${3:-0}"
printf "\33[%s;%s;%s" "$ft" "$fg" "$bg"
}
color_reset() {
printf "\033[0m"
}
ok() {
if [ -t 1 ]; then
printf "%s[ OK ]%s\n" "$(color 37 42m 1)" "$(color_reset)"
else
printf "%s\n" "[ OK ]"
fi
}
err() {
if [ -t 1 ]; then
printf "%s[ ERR ]%s\n" "$(color 37 41m 1)" "$(color_reset)"
else
printf "%s\n" "[ ERR ]"
fi
}
run() {
retval=0
logfile="$(mktemp -t "run-XXXXXX")"
if "$@" 2> "$logfile"; then
ok
else
retval=$?
err
cat "$logfile" || true
fi
rm -rf "$logfile"
return $retval
}
progress() {
printf "%-40s" "$(printf "%s ... " "$1")"
}
log() {
printf "%s\n" "$1"
}
log2() {
printf "%s\n" "$1" 1>&2
}
error() {
log "ERROR: ${1}"
}
fail() {
log "FATAL: ${1}"
exit 1
}
check_goversion() {
progress "Checking Go version"
if ! command -v go > /dev/null 2>&1; then
log2 "Cannot find the Go compiler"
return 1
fi
gover="$(go version | grep -o -E 'go[0-9]+\.[0-9]+(\.[0-9]+)?')"
if ! go version | grep -E 'go1\.1[78](\.[0-9]+)?' > /dev/null; then
log2 "Go 1.17+ is required, found ${gover}"
return 1
fi
return 0
}
check_path() {
progress "Checking \$PATH"
gobin="$(eval "$(go env | grep GOBIN)")"
gopath="$(eval "$(go env | grep GOPATH)")"
if [ -n "$gobin" ] && ! echo "$PATH" | grep "$gobin" > /dev/null; then
log2 "\$GOBIN '$gobin' is not in your \$PATH"
return 1
fi
if [ -n "$gopath" ] && ! echo "$PATH" | grep "$gopath/bin" > /dev/null; then
log2 "\$GOPATH/bin '$gopath/bin' is not in your \$PATH"
return 1
fi
if ! echo "$PATH" | grep "$HOME/go/bin" > /dev/null; then
log2 "\$HOME/go/bin is not in your \$PATH"
return 1
fi
return 0
}
check_deps() {
progress "Checking deps"
if ! command -v ffmpeg > /dev/null 2>&1; then
log2 "ffmpeg not found, Please install it using your OS package manager"
return 1
fi
return 0
}
steps="check_goversion check_path check_deps"
_main() {
for step in $steps; do
if ! run "$step"; then
fail "🙁 preflight failed"
fi
done
log "🥳 All Done! Ready to build, run: make build"
}
if [ -n "$0" ] && [ x"$0" != x"-bash" ]; then
_main "$@"
fi
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