Till Toenshoff created MESOS-6425:
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Summary: Release scripts fail due to missing BLINK capability.
Key: MESOS-6425
URL: https://issues.apache.org/jira/browse/MESOS-6425
Project: Mesos
Issue Type: Bug
Reporter: Till Toenshoff
Our release-scripts {{support/tag.sh}} & {{support/vote.sh}} both fail entirely
due to their way of initializing the terminal.
Specifically the included {{support/colors.sh}} script's line:
{noformat}
BLINK=$(tput blink)
{noformat}
When changing the initializing to allow for better debugging {{set -e -x}} the
resulting trace makes the problem apparent:
{noformat}
$ ./support/tag.sh 1.1.0 2
++ dirname ./support/tag.sh
+ . ./support/atexit.sh
++ declare -a __atexit_cmds
++ dirname ./support/tag.sh
+ . ./support/colors.sh
++ test -t 1
+++ tput colors
++ NUM_COLORS=8
++ test -n 8
++ test 8 -ge 8
+++ tput sgr0
++ NORMAL=''
+++ tput bold
++ BOLD=''
+++ tput smul
++ UNDERLINE=''
+++ tput smso
++ REVERSE=''
+++ tput blink
++ BLINK=
{noformat}
My terminal (iTerm2 with xterm-color256) apparently does not support blinking
this way.
{noformat}
$ tput blink
$ echo $?
1
{noformat}
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