whatcanGOwrong

go/pkg/mod/golang.org/x/vuln@v1.0.4/devtools/lib.sh

@@ -0,0 +1,51 @@
+#!/bin/bash
+
+# Copyright 2021 The Go Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style
+# license that can be found in the LICENSE file.
+
+# Library of useful bash functions and variables.
+
+RED=; GREEN=; YELLOW=; NORMAL=;
+MAXWIDTH=0
+
+if tput setaf 1 >& /dev/null; then
+  RED=$(tput setaf 1)
+  GREEN=$(tput setaf 2)
+  YELLOW=$(tput setaf 3)
+  NORMAL=$(tput sgr0)
+  MAXWIDTH=$(( $(tput cols) - 2 ))
+fi
+
+EXIT_CODE=0
+export EXIT_CODE
+
+info() { echo -e "${GREEN}$*${NORMAL}" 1>&2; }
+warn() { echo -e "${YELLOW}$*${NORMAL}" 1>&2; }
+err() { echo -e "${RED}$*${NORMAL}" 1>&2; EXIT_CODE=1; }
+
+die() {
+  err "$@"
+  exit 1
+}
+
+dryrun=false
+
+# runcmd prints an info log describing the command that is about to be run, and
+# then runs it. It sets EXIT_CODE to non-zero if the command fails, but does not exit
+# the script.
+runcmd() {
+  msg="$*"
+  if $dryrun; then
+    echo -e "${YELLOW}dryrun${GREEN}\$ $msg${NORMAL}"
+    return 0
+  fi
+  # Truncate command logging for narrow terminals.
+  # Account for the 2 characters of '$ '.
+  if [[ $MAXWIDTH -gt 0 && ${#msg} -gt $MAXWIDTH ]]; then
+    msg="${msg::$(( MAXWIDTH - 3 ))}..."
+  fi
+
+  echo -e "$*\n" 1>&2;
+  "$@" || err "command failed"
+}