From 8f631de19349a2a83ce198eac8808fb00cf78034 Mon Sep 17 00:00:00 2001 From: Egor Tensin Date: Mon, 7 Nov 2016 00:06:38 +0300 Subject: distr.sh: prefix with sums_ & add usage messages --- %HOME%/.bash_utils/distr.sh | 52 ++++++++++++++++++++++++++++++++------------- 1 file changed, 37 insertions(+), 15 deletions(-) (limited to '%HOME%/.bash_utils') diff --git a/%HOME%/.bash_utils/distr.sh b/%HOME%/.bash_utils/distr.sh index a9f746a..f84f328 100644 --- a/%HOME%/.bash_utils/distr.sh +++ b/%HOME%/.bash_utils/distr.sh @@ -5,20 +5,42 @@ # For details, see https://github.com/egor-tensin/cygwin-home. # Distributed under the MIT License. -checksums_path='sha1sums.txt' +sums_path='sha1sums.txt' -list_checksums_paths() ( +sums_list_paths() ( set -o errexit -o nounset -o pipefail - if [ -f "$checksums_path" ]; then - local path - while IFS= read -r path; do - printf '%s\0' "$path" - done < <( sed --binary 's/^\\\?[[:alnum:]]\+ [ *]//' "$checksums_path" ) - fi + local fmt='%s\n' + + while [ "$#" -gt 0 ]; do + local key="$1" + shift + case "$key" in + -h|--help) + echo "usage: ${FUNCNAME[0]} [-h|--help] [-0|-z]" + return 0 + ;; + + -0|-z) + fmt='%s\0' + ;; + + *) + echo "${FUNCNAME[0]}: unrecognized parameter: $key" >&2 + return 1 + ;; + esac + done + + [ -f "$sums_path" ] || return 0 + + local path + while IFS= read -r path; do + printf "$fmt" "$path" + done < <( sed --binary 's/^\\\?[[:alnum:]]\+ [ *]//' "$sums_path" ) ) -update_checksums() ( +sums_update() ( set -o errexit -o nounset -o pipefail local path @@ -26,7 +48,7 @@ update_checksums() ( local -A existing while IFS= read -d '' -r path; do existing[$path]=1 - done < <( list_checksums_paths ) + done < <( sums_list_paths ) local -a missing for path in "$@"; do @@ -35,10 +57,10 @@ update_checksums() ( fi done - sha1sum -- ${missing[@]+"${missing[@]}"} >> "$checksums_path" + sha1sum -- ${missing[@]+"${missing[@]}"} >> "$sums_path" ) -update_checksums_distr() ( +sums_update_distr() ( set -o errexit -o nounset -o pipefail local -a paths @@ -48,9 +70,9 @@ update_checksums_distr() ( paths+=("$path") done < <( find . -type f -\( -iname '*.exe' -o -iname '*.iso' -\) -printf '%P\0' ) - update_checksums ${paths[@]+"${paths[@]}"} + sums_update ${paths[@]+"${paths[@]}"} ) -verify_checksums() { - sha1sum --check "$checksums_path" +sums_verify() { + sha1sum --check -- "$sums_path" } -- cgit v1.2.3