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download_and_compile.sh: prompt when building 'next' and logfile not already present

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This ensures that users building 'next' have seen the message that warns
about possible instability and are aware of the other options (--lts for
the latest Long Term Support release, -s for the latest release).

The default answer is to continue. If --non-interactive has been given,
the prompt is skipped and download_and_compile.sh proceeds as usual.

This commit also adds _yes_no_prompt() which makes more sense than
_yes_no_quit_prompt() here, since the 'no' answer implies that the user
wants to quit.
This commit is contained in:
Florent Rougon 2020-06-23 11:10:25 +02:00
parent fdf98d0ef3
commit 3bce994ea8
1 changed files with 68 additions and 0 deletions
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68
download_and_compile.sh
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@ -97,6 +97,54 @@ function _logOutput(){
esac
}
# Return code is 0 for 'yes' and 1 for 'no'.
function _yes_no_prompt(){
local prompt="$1"
local default="$2"
local choices res answer
case "$default" in
[yY]) choices='Y/n' ;;
[nN]) choices='y/N' ;;
"")
if [[ "$INTERACTIVE_MODE" -eq 0 ]]; then
_printLog "Non-interactive mode requested, but found a question with" \
"no default answer;"
_printLog "this can't work, aborting."
exit 1
fi
choices='y/n'
;;
*)
_printLog \
"Invalid default choice for _yes_no_prompt(): this is a bug in the"
"script, aborting."
exit 1
;;
esac
while true; do
if [[ "$INTERACTIVE_MODE" -eq 0 ]]; then
answer="$default"
else
read -r -p "$prompt [$choices] " answer
fi
if [[ -z "$answer" ]]; then
answer="$default"
fi
case "$answer" in
[yY]) res=0; break ;;
[nN]) res=1; break ;;
*) ;;
esac
done
return $res
}
# Return code is 0 for 'yes', 1 for 'no' and 2 for 'quit'.
function _yes_no_quit_prompt(){
local prompt="$1"
local default="$2"
@ -538,6 +586,11 @@ CBD="$PWD"
LOGFILE="$CBD/compilation_log.txt"
INTERACTIVE_MODE=1
declare -i logfile_was_already_present_when_starting=0
if [[ -f "$LOGFILE" ]]; then
logfile_was_already_present_when_starting=1
fi
# Available values for WHATTOBUILD and WHATTOBUILDALL:
declare -a WHATTOBUILD_AVAIL=(
'CMAKE' 'PLIB' 'OPENRTI' 'OSG' 'SIMGEAR' 'FGFS' 'DATA' 'FGRUN' 'FGO' 'FGX'
@ -901,6 +954,21 @@ and DATA components, but other components may be affected as well. Use
'--component-branch COMPONENT=BRANCH' (without the quotes) if you want to
override the defaults (i.e., manually choose the branches for particular
components)."
# Make sure users building 'next' are aware of the possible consequences. :-)
if [[ "$SELECTED_SUITE" = "next" && \
$logfile_was_already_present_when_starting -eq 0 ]]; then
set +e
_printLog
_yes_no_prompt "Are you sure you want to continue?" y; prompt_res=$?
set -e
if [[ $prompt_res -eq 1 ]]; then
_printLog "Aborting as requested."
exit 0
fi
unset -v prompt_res
fi
_printLog
_printLog "Branch used for each component:"
_printLog