iankelling.org Git - buildscripts/blob - go

   1 #!/bin/bash
   2 # Copyright (C) 2019 Ian Kelling
   3 # SPDX-License-Identifier: AGPL-3.0-or-later
   4
   5 # usage: no args, run to install latest go.
   6
   7 if [ -z "$BASH_VERSION" ]; then echo "error: shell is not bash" >&2; exit 1; fi
   8
   9 shopt -s inherit_errexit 2>/dev/null ||: # ignore fail in bash < 4.4
  10 source /a/bin/errhandle/err
  11
  12 m() { printf "$pre %s\n"  "$*"; "$@"; }
  13 e() { printf "$pre %s\n"  "$*"; }
  14 err() { echo "[$(date +'%Y-%m-%d %H:%M:%S%z')]: $0: $*" >&2; }
  15
  16 m cd /a/opt/go.git
  17 m git fetch
  18 vers=($(git tag | sort -Vr | grep -E '^go[0-9.]+$' | head))
  19
  20 ver=${vers[0]}
  21 dl() {
  22   arch=$(dpkg --print-architecture)
  23   f=${ver}.linux-${arch}.tar.gz
  24
  25   if [[ -e $f ]]; then
  26     timestamp=$(stat -c %Y $f)
  27   else
  28     timestamp=0
  29   fi
  30   m wget -N https://dl.google.com/go/$f || ret=$?
  31 }
  32 dl
  33 # 8 is return code for 404. for a new release, they might not have a binary out yet
  34 if [[ $ret == 8 ]]; then
  35   ver=${vers[1]}
  36   dl
  37 fi
  38
  39 new_timestamp=$(stat -c %Y $f)
  40 if [[ $timestamp != $new_timestamp || ! -e /usr/local/go/bin/go ]]; then
  41   m sudo rm -rf /usr/local/go
  42   m sudo tar -C /usr/local -xzf $f
  43 fi
  44
  45 shopt -s nullglob
  46 for x in go*.tar.gz; do
  47   if [[ $x == $f ]]; then continue; fi
  48   rm -fv $x
  49 done
  50
  51 go get -u mvdan.cc/fdroidcl