diff options
Diffstat (limited to 'lsinitcpio')
| -rwxr-xr-x | lsinitcpio | 109 |
1 files changed, 53 insertions, 56 deletions
@@ -5,11 +5,9 @@ shopt -s extglob -declare verbose= -declare list='--list' -declare -i color=1 -declare NC= BOLD= BLUE= GREEN= RED= YELLOW= -declare FUNCTIONS=functions +_list='--list' +_optcolor=1 _optverbose=0 +_f_functions=functions usage() { cat<<USAGE @@ -31,10 +29,10 @@ USAGE } decomp() { - ${compress:-cat} ${compress:+-cd} "$@" + ${_compress:-cat} ${_compress:+-cd} "$@" } -. "$FUNCTIONS" +. "$_f_functions" # override the die method from functions die() { @@ -73,19 +71,19 @@ analyze_image() { # fallback in case tput failed us columns=${columns:-80} - zsize=$(stat -c %s "$image") + zsize=$(stat -c %s "$_image") # calculate compression ratio - TIMEFORMAT=%R decomptime=$({ time decomp "$image" >/dev/null; } 2>&1 ) - if [[ $compress ]]; then - fullsize=$(decomp "$image" | bsdtar xOf - | wc -c) + TIMEFORMAT=%R decomptime=$({ time decomp "$_image" >/dev/null; } 2>&1 ) + if [[ $_compress ]]; then + fullsize=$(decomp "$_image" | bsdtar xOf - | wc -c) ratio=.$(( zsize * 1000 / fullsize % 1000 )) fi # decompress the image since we need to read from it multiple times. we # have to pass this through decomp() since the image might be lzop which # bsdtar can't read. - decomp "$image" | bsdtar -C "$workdir" -xf - + decomp "$_image" | bsdtar -C "$workdir" -xf - # collect stats kernver=("$workdir"/usr/lib/modules/*/) @@ -113,15 +111,15 @@ analyze_image() { explicitmod=($MODULES) # print results - imagename=$image - [[ -L $image ]] && imagename+=" -> $(readlink -e "$image")" + imagename=$_image + [[ -L $_image ]] && imagename+=" -> $(readlink -e "$_image")" msg 'Image: %s %s' "$imagename" [[ $version ]] && msg 'Created with mkinitcpio %s' "$version" msg 'Kernel: %s' "${kernver:-unknown}" msg 'Size: %s' "$(size_to_human "$zsize")" - if [[ $compress ]]; then - msg 'Compressed with: %s' "$compress" + if [[ $_compress ]]; then + msg 'Compressed with: %s' "$_compress" msg2 'Uncompressed size: %s (%s ratio)' "$(size_to_human "$fullsize")" "$ratio" fi msg2 'Estimated extraction time: %ss' "$decomptime" @@ -166,32 +164,32 @@ analyze_image() { fi } -OPT_SHORT='achlnvx' -OPT_LONG=('analyze' 'help' 'list' 'nocolor' 'showconfig' 'verbose' 'extract') +_opt_short='achlnvx' +_opt_long=('analyze' 'help' 'list' 'nocolor' 'showconfig' 'verbose' 'extract') -if ! parseopts "$OPT_SHORT" "${OPT_LONG[@]}" -- "$@"; then +if ! parseopts "$_opt_short" "${_opt_long[@]}" -- "$@"; then exit 1 fi set -- "${OPTRET[@]}" -unset OPT_SHORT OPT_LONG OPTRET +unset _opt_short _opt_long OPTRET while :; do case $1 in -a|--analyze) - analyze=1 ;; + _optanalyze=1 ;; -c|--config) - showconfig=1 ;; + _optshowconfig=1 ;; -h|--help) usage exit 0 ;; -l|--list) - listcontents=1 ;; + _optlistcontents=1 ;; -n|--nocolor) - color=0 ;; + _optcolor=0 ;; -v|--verbose) - verbose='--verbose' ;; + _optverbose='--verbose' ;; -x|--extract) - unset list ;; + unset _list ;; --) shift break 2 ;; @@ -199,55 +197,54 @@ while :; do shift done -declare image=$1 +_image=$1 -if [[ -t 1 ]] && (( color )); then +if [[ -t 1 ]] && (( _optcolor )); then # prefer terminal safe colored and bold text when tput is supported if tput setaf 0 &>/dev/null; then - NC="$(tput sgr0)" - BOLD="$(tput bold)" - BLUE="$BOLD$(tput setaf 4)" - GREEN="$BOLD$(tput setaf 2)" - RED="$BOLD$(tput setaf 1)" - YELLOW="$BOLD$(tput setaf 3)" + _color_none="$(tput sgr0)" + _color_bold="$(tput bold)" + _color_blue="$_color_bold$(tput setaf 4)" + _color_green="$_color_bold$(tput setaf 2)" + _color_red="$_color_bold$(tput setaf 1)" + _color_yellow="$_color_bold$(tput setaf 3)" else - NC="\e[1;0m" - BOLD="\e[1;1m" - BLUE="$BOLD\e[1;34m" - GREEN="$BOLD\e[1;32m" - RED="$BOLD\e[1;31m" - YELLOW="$BOLD\e[1;33m" + _color_none="\e[1;0m" + _color_bold="\e[1;1m" + _color_blue="$_color_bold\e[1;34m" + _color_green="$_color_bold\e[1;32m" + _color_red="$_color_bold\e[1;31m" + _color_yellow="$_color_bold\e[1;33m" fi fi -readonly NC BOLD BLUE GREEN RED YELLOW -[[ $image ]] || die "No image specified (use -h for help)" -[[ -f $image ]] || die "No such file: $image" +[[ $_image ]] || die "No image specified (use -h for help)" +[[ -f $_image ]] || die "No such file: %s" "$_image" -case $(( analyze + listcontents + showconfig )) in +case $(( _optanalyze + _optlistcontents + _optshowconfig )) in 0) # default action when none specified - listcontents=1 ;; + _optlistcontents=1 ;; [!1]) die "Only one action may be specified at a time" ;; esac # read compression type -case "$(file -Lb "$image")" in - @(data|LZMA)*) compress=lzma ;; - gzip*) compress=gzip ;; - bzip2*) compress=bzip2 ;; - lzop*) compress=lzop ;; - XZ*) compress=xz ;; +case $(file -Lb "$_image") in + @(data|LZMA)*) _compress=lzma ;; + gzip*) _compress=gzip ;; + bzip2*) _compress=bzip2 ;; + lzop*) _compress=lzop ;; + XZ*) _compress=xz ;; esac -if (( analyze )); then - analyze_image "$image" -elif (( showconfig )); then - decomp "$1" | bsdtar xOf - buildconfig 2>/dev/null || +if (( _optanalyze )); then + analyze_image "$_image" +elif (( _optshowconfig )); then + decomp "$_image" | bsdtar xOf - buildconfig 2>/dev/null || die 'Failed to extract config from image (mkinitcpio too old?)' else - decomp "$image" | bsdcpio -i --quiet $verbose $list + decomp "$_image" | bsdcpio -i --quiet $_optverbose $_list fi # vim: set ft=sh ts=4 sw=4 et: |