mirror of
https://github.com/YunoHost/yunohost.git
synced 2024-09-03 20:06:10 +02:00
117 lines
4 KiB
Bash
117 lines
4 KiB
Bash
#!/bin/bash
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# Print a message to stderr and terminate the current script
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#
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# usage: ynh_die "Some message"
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ynh_die() {
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set +o xtrace # set +x
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if [[ -n "${1:-}" ]]; then
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if [[ -n "${YNH_STDRETURN:-}" ]]; then
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python3 -c 'import yaml, sys; print(yaml.dump({"error": sys.stdin.read()}))' <<< "${1:-}" >> "$YNH_STDRETURN"
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fi
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echo "${1:-}" 1>&2
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fi
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exit 1
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}
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# Print an "INFO" message
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#
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# usage: ynh_print_info "Some message"
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ynh_print_info() {
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echo "$1" >&$YNH_STDINFO
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}
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# Print a warning on stderr
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#
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# usage: ynh_print_warn "Some message"
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ynh_print_warn() {
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echo "$1" >&2
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}
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# Execute a command and redirect stderr to stdout
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#
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# usage: ynh_hide_warnings your command and args
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# | arg: command - command to execute
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#
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ynh_hide_warnings() {
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# Note that "$@" is used and not $@, c.f. https://unix.stackexchange.com/a/129077
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"$@" 2>&1
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}
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# Execute a command and redirect stderr in /dev/null. Print stderr on error.
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#
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# usage: ynh_exec_and_print_stderr_only_if_error your command and args
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# | arg: command - command to execute
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#
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# Note that you should NOT quote the command but only prefix it with ynh_exec_and_print_stderr_only_if_error
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ynh_exec_and_print_stderr_only_if_error() {
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logfile="$(mktemp)"
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rc=0
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# Note that "$@" is used and not $@, c.f. https://unix.stackexchange.com/a/129077
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"$@" 2> "$logfile" || rc="$?"
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if ((rc != 0)); then
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cat "$logfile" >&2
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ynh_safe_rm "$logfile"
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return "$rc"
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fi
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}
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# Return data to the YunoHost core for later processing
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# (to be used by special hooks like app config panel and core diagnosis)
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#
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# usage: ynh_return somedata
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ynh_return() {
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echo "$1" >> "$YNH_STDRETURN"
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}
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# Initial definitions for ynh_script_progression
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increment_progression=0
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previous_weight=0
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max_progression=-1
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# Set the scale of the progression bar
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# progress_string(0,1,2) should have the size of the scale.
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progress_scale=20
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progress_string2="####################"
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progress_string1="++++++++++++++++++++"
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progress_string0="...................."
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# Print a progress bar showing the progression of an app script
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#
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# usage: ynh_script_progression "Some message"
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ynh_script_progression() {
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set +o xtrace # set +x
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# Compute $max_progression (if we didn't already)
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if [ "$max_progression" = -1 ]; then
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# Get the number of occurrences of 'ynh_script_progression' in the script. Except those are commented.
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local helper_calls=
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max_progression="$(grep --count "^[^#]*ynh_script_progression" $0)"
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fi
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# Increment each execution of ynh_script_progression in this script by the weight of the previous call.
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increment_progression=$(($increment_progression + $previous_weight))
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# Store the weight of the current call in $previous_weight for next call
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previous_weight=1
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# Reduce $increment_progression to the size of the scale
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local effective_progression=$(($increment_progression * $progress_scale / $max_progression))
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# If last is specified, fill immediately the progression_bar
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# Build $progression_bar from progress_string(0,1,2) according to $effective_progression and the weight of the current task
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# expected_progression is the progression expected after the current task
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local expected_progression="$((($increment_progression + 1) * $progress_scale / $max_progression - $effective_progression))"
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# Hack for the "--last" message
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if grep -qw 'completed' <<< "$1"; then
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effective_progression=$progress_scale
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expected_progression=0
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fi
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# left_progression is the progression not yet done
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local left_progression="$(($progress_scale - $effective_progression - $expected_progression))"
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# Build the progression bar with $effective_progression, work done, $expected_progression, current work and $left_progression, work to be done.
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local progression_bar="${progress_string2:0:$effective_progression}${progress_string1:0:$expected_progression}${progress_string0:0:$left_progression}"
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echo "[$progression_bar] > ${1}" >&$YNH_STDINFO
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set -o xtrace # set -x
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}
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