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mkarchiso: replace external date command with printf

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printf is a bash builtin, so by using it an external command can be avoided.
Due to the differences between date(1) and strftime(3), the time zone output will not contain a colon anymore. Fortunately, that is still a supported format according to https://en.wikipedia.org/wiki/ISO_8601#Time_offsets_from_UTC .
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nl6720 2021-09-05 12:20:56 +03:00
parent a37c320a34
commit f8862c2621
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1 changed files with 3 additions and 2 deletions
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archiso/mkarchiso
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@ -7,7 +7,8 @@ set -e -u
# Control the environment # Control the environment
umask 0022 umask 0022
export LC_ALL="C" export LC_ALL="C"
export SOURCE_DATE_EPOCH="${SOURCE_DATE_EPOCH:-"$(date +%s)"}" [[ -v SOURCE_DATE_EPOCH ]] || printf -v SOURCE_DATE_EPOCH '%(%s)T' -1
export SOURCE_DATE_EPOCH
# Set application name from the script's file name # Set application name from the script's file name
app_name="${0##*/}" app_name="${0##*/}"
@ -113,7 +114,7 @@ ENDUSAGETEXT
# Shows configuration options. # Shows configuration options.
_show_config() { _show_config() {
local build_date local build_date
build_date="$(date --utc --iso-8601=seconds -d "@${SOURCE_DATE_EPOCH}")" printf -v build_date '%(%FT%R%z)T' "${SOURCE_DATE_EPOCH}"
_msg_info "${app_name} configuration settings" _msg_info "${app_name} configuration settings"
_msg_info " Architecture: ${arch}" _msg_info " Architecture: ${arch}"
_msg_info " Working directory: ${work_dir}" _msg_info " Working directory: ${work_dir}"