src/ci/shared.sh

   1 #!/bin/false
   2
   3 # This file is intended to be sourced with `. shared.sh` or
   4 # `source shared.sh`, hence the invalid shebang and not being
   5 # marked as an executable file in git.
   6
   7 # See http://unix.stackexchange.com/questions/82598
   8 # Duplicated in docker/dist-various-2/shared.sh
   9 function retry {
  10   echo "Attempting with retry:" "$@"
  11   local n=1
  12   local max=5
  13   while true; do
  14     "$@" && break || {
  15       if [[ $n -lt $max ]]; then
  16         sleep $n  # don't retry immediately
  17         ((n++))
  18         echo "Command failed. Attempt $n/$max:"
  19       else
  20         echo "The command has failed after $n attempts."
  21         return 1
  22       fi
  23     }
  24   done
  25 }
  26
  27 function isCI {
  28   [ "$CI" = "true" ] || [ "$TRAVIS" = "true" ] || [ "$TF_BUILD" = "True" ]
  29 }
  30
  31 function isOSX {
  32   [ "$TRAVIS_OS_NAME" = "osx" ] || [ "$AGENT_OS" = "Darwin" ]
  33 }
  34
  35 function getCIBranch {
  36   if [ "$TRAVIS" = "true" ]; then
  37     echo "$TRAVIS_BRANCH"
  38   else
  39     echo "$BUILD_SOURCEBRANCHNAME"
  40   fi;
  41 }
  42
  43 if ! declare -F travis_fold; then
  44   if [ "${TRAVIS-false}" = 'true' ]; then
  45     # This is a trimmed down copy of
  46     # https://github.com/travis-ci/travis-build/blob/master/lib/travis/build/templates/header.sh
  47     travis_fold() {
  48       echo -en "travis_fold:$1:$2\r\033[0K"
  49     }
  50     travis_time_start() {
  51       travis_timer_id=$(printf %08x $(( RANDOM * RANDOM )))
  52       travis_start_time=$(travis_nanoseconds)
  53       echo -en "travis_time:start:$travis_timer_id\r\033[0K"
  54     }
  55     travis_time_finish() {
  56       travis_end_time=$(travis_nanoseconds)
  57       local duration=$(($travis_end_time-$travis_start_time))
  58       local msg="travis_time:end:$travis_timer_id"
  59       echo -en "\n$msg:start=$travis_start_time,finish=$travis_end_time,duration=$duration\r\033[0K"
  60     }
  61     if [ $(uname) = 'Darwin' ]; then
  62       travis_nanoseconds() {
  63         date -u '+%s000000000'
  64       }
  65     else
  66       travis_nanoseconds() {
  67         date -u '+%s%N'
  68       }
  69     fi
  70   else
  71     travis_fold() { return 0; }
  72     travis_time_start() { return 0; }
  73     travis_time_finish() { return 0; }
  74   fi
  75 fi