diff options
Diffstat (limited to 'reproduce/software/shell/tarball-prepare.sh')
| -rwxr-xr-x | reproduce/software/shell/tarball-prepare.sh | 116 |
1 files changed, 77 insertions, 39 deletions
diff --git a/reproduce/software/shell/tarball-prepare.sh b/reproduce/software/shell/tarball-prepare.sh index ccc9318..69e6afa 100755 --- a/reproduce/software/shell/tarball-prepare.sh +++ b/reproduce/software/shell/tarball-prepare.sh @@ -31,25 +31,21 @@ odir= idir= quiet= basedir=$PWD +scriptname=$0 # The --help output print_help() { cat <<EOF -Usage: $0 [OPTIONS] +Usage: $scriptname [OPTIONS] Low-level script to create maneage-standard tarballs. - -o, --output-dir Target directory to write the packed tarballs. Current: $odir - - -i, --input-dir Directory containing original tarballs. Current: $idir - -q, --quiet Suppress logging information. Only print the final packed file and its sha512sum. - Maneage URL: https://maneage.org Report bugs: https://savannah.nongnu.org/bugs/?group=reproduce @@ -59,45 +55,87 @@ EOF + +# Functions to check option values and complain if necessary. +on_off_option_error() { + if [ x"$2" = x ]; then + echo "$scriptname: '$1' doesn't take any values" + else + echo "$scriptname: '$1' (or '$2') doesn't take any values" + fi + exit 1 +} + +check_v() { + if [ x"$2" = x ]; then + cat <<EOF +$scriptname: option '$1' requires an argument. Try '$scriptname --help' for more information +EOF + exit 1; + fi +} + +option_given_and_valid() { + dirname="$1" + optionlong="$2" + optionshort="$3" + if [ x"$dirname" = x ]; then + cat <<EOF +$scriptname: no '--$optionlong' (or '-$optionshort') given: use this for identifying the directory containing the input tarballs +EOF + exit 1 + else + dirname=$(echo "$dirname" | sed 's|/$||'); # Remove possible trailing slash + if [ ! -d "$dirname" ]; then + cat <<EOF +$scriptname: '$dirname' that is given to '--$optionlong' (or '-$optionshort') couldn't be opened +EOF + exit 1 + else + outdir=$(realpath $dirname) + fi + fi + ogvout=$outdir +} + + + + + # Parse the arguments while [ $# -gt 0 ] do - case $1 in - -q|--quiet) quiet=1; shift;; - -h|--help|-'?') print_help; exit 0;; - -i|--input-dir) - # Remove the trailing '/' introduced by autocomplete - idir=$(echo "$2" | sed 's|/$||'); - shift; # past argument - shift;; # past value - -o|--output-dir) - # Remove the trailing '/' introduced by autocomplete - odir=$(echo "$2" | sed 's|/$||'); - shift; # past argument - shift;; # past value - *) echo "$0: unknown option '$1'"; exit 1;; + case $1 in + # Input and Output directories + -i|--input-dir) idir="$2"; check_v "$1" "$idir"; shift;shift;; + -i=*|--input-dir=*) idir="${1#*=}"; check_v "$1" "$idir"; shift;; + -i*) idir=$(echo "$1" | sed -e's/-i//'); check_v "$1" "$idir"; shift;; + -o|--output-dir) odir="$2"; check_v "$1" "$odir"; shift;shift;; + -o=*|--output-dir=*) odir="${1#*=}"; check_v "$1" "$odir"; shift;; + -o*) odir=$(echo "$1" | sed -e's/-o//'); check_v "$1" "$odir"; shift;; + + # Operating mode options + -?|--help) print_help; exit 0;; + -'?'*|--help=*) on_off_option_error --help -?;; + -q|--quiet) quiet=1; shift;; + -q*|--quiet=*) on_off_option_error --quiet -q;; + *) echo "$scriptname: unknown option '$1'"; exit 1;; esac done -# Extract the 'absolute path' to input and output directories. Working with -# relative path is a great source of confusion and unwanted side-effects -# like moving/removing files by accident. -if [ ! -d "$idir" ]; then - echo "$0: please pass the input directory (option --input-dir or -i)." - exit 1 -else - idir=$(realpath $idir) -fi -if [ ! -d "$odir" ]; then - echo "$0: please pass the output directory (option --output-dir or -o)." - exit 1 -else - odir=$(realpath $odir) -fi +# Basic sanity checks +# +# Make sure the input and output directories are given. Also extract +# the absolute path to input and output directories and remove any +# possible trailing '/'. Working with a relative path is a great +# source of confusion and unwanted side-effects like moving/removing +# files by accident. +option_given_and_valid "$idir" "input-dir" "i" && idir=$ogvout +option_given_and_valid "$odir" "output-dir" "o" && odir=$ogvout @@ -117,15 +155,15 @@ fi for f in $allfiles; do # Seperate name and version number - name=$(echo $f | sed -e 's/.tar.*//' | \ - awk 'BEGIN { FS = "[-_ ]" } {print $1 "-" $2}') + name=$(echo $f | sed -e 's/.tar.*//' \ + | awk 'BEGIN { FS = "[-_ ]" } {print $1 "-" $2}') # Skip previously packed files if [ -f $odir/$name.tar.lz ]; then # Print the info message if not in quiet mode if [ -z $quiet ]; then - echo "$0: skipping '$odir/$name.tar.lz'" + echo "$scriptname: $odir/$name.tar.lz: already present in output directory" fi # skip this file @@ -134,7 +172,7 @@ for f in $allfiles; do # Print the info message if not in quiet mode if [ -z $quiet ]; then - echo "$0: processing '$idir/$f'" + echo "$scriptname: processing '$idir/$f'" fi fi |