matejb

#!/bin/bash

# cp from https://twitter.com/b0rk/status/1312413117436104705

trap '(read -p "[$BASH_SOURCE:$LINENO] $BASH_COMMAND?")' DEBUG

matejb

sed '/^$/N;/^\n$/D'

matejb

grep -E "^(\w+|\s+~|\s+\+|\s+\-|\s+#|\s+<=|$)

matejb

# from https://github.com/docker/cli/blob/master/Makefile#L74-L76 found by @breml

.PHONY: help
help: ## print this help
	@awk 'BEGIN {FS = ":.*?## "} /^[a-zA-Z0-9_-]+:.*?## / {gsub("\\\\n",sprintf("\n%22c",""), $$2);printf "\033[36m%-20s\033[0m %s\n", $$1, $$2}' $(MAKEFILE_LIST)

matejb

package main

import (
	"fmt"
)

func main() {
	chain(a).chain(b).chain(c)()
}

matejb

// normalizeLocalTime will normalize local time expressed in number of seconds
// from UNIX Epoch but not in UTC but counted in local location to the one
// counted correctly from UTC location.
func normalizeLocalTime(localNumOfSeconds int64, location *time.Location) time.Time {
	t := time.Unix(localNumOfSeconds, 0).In(location)
	_, offset := t.Zone()
	// we apply offset in reverse to correct time
	return t.Add(-1 * time.Duration(offset) * time.Second)
}

matejb

package main

import (
	"bytes"
	"fmt"
	"log"
	"os/exec"
	"strings"
)

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func contextWithSigterm(ctx context.Context) context.Context {
	ctxWithCancel, cancel := context.WithCancel(ctx)
	go func() {
		defer cancel()

		signalCh := make(chan os.Signal, 1)
		signal.Notify(signalCh, os.Interrupt, syscall.SIGTERM)

		select {
		case <-signalCh:

matejb

man man | col -bx

col -b removes backspaces.
col -x replaces tabs with spaces

matejb

wget -q -O- http://url | grep string