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#!/bin/bash
# sbodl, download slackbuilds.org source files
# 20230513 bkw: move to the sbo-maintainer-tools repo, clean up for release.
# 20191222 bkw: handle broken symlinks in current dir.
# change default cache dir.
# 20170306 bkw: add caching
VERSION=0.8.0
SELF=$( basename $0 )
DEFCACHEDIR=~/sbodl-cache
CACHEDIR=${SBODL_CACHEDIR:-$DEFCACHEDIR}
ARCHIVE=https://slackware.uk/sbosrcarch
RED="\033[1;31m"
GREEN="\033[1;32m"
COLOR_OFF="\033[0m"
usage() {
cat <<EOF
$SELF v$VERSION - Download the sources for a SlackBuilds.org build.
(c) 2014, 2023 B. Watson (urchlay@slackware.uk)
Licensed under the WTFPL: Do WTF you want with this.
Usage: $SELF [-f] <wget-options>
Execute $SELF in the directory that contains the .info and .SlackBuild
files. If the files are not found in the current directory, they'll be
looked for in the cache directory, and symlinked to the current dir if
found there. If they're not in the cache, they'll be downloaded with wget.
Each file's md5sum is checked against the .info file in the current directory.
Options:
-h, --help: Show this help message.
-f: Ignore locally cached files, always download.
-a: Download from sbosrcarch (Source Archive).
Any other options you pass to it will be passed to wget.
By default, --content-disposition is used. If you want to disable it, use
the --no-content-disposition wget option.
The default cache directory is $DEFCACHEDIR,
but you can override this by setting SBODL_CACHEDIR in the environment.
If you need to download files for a different architecture
(e.g. 32-bit files when running on a 64-bit OS), you can override ARCH
in the environment: "ARCH=i686 sbodl" would download the 32-bit source
file(s).
EOF
exit 0
}
die() {
echo "$SELF: $*" 2>&1
exit 1
}
[ -d "$CACHEDIR/" ] || mkdir -p $CACHEDIR || die "Can't create $CACHEDIR"
# check for our one argument
case "$1" in
-h|-help|-\?|--help) usage ;;
-f) FORCEDL="yes" ; shift ;;
-a) USEARCHIVE="yes" ; shift ;;
esac
source ./$( basename $( pwd ) ).info \
|| die "No .info file, are you sure this is a SBo directory? Try '$SELF --help'"
# This stanza copied from the SBo template for 14.1:
if [ -z "$ARCH" ]; then
case "$( uname -m )" in
i?86) ARCH=i586 ;;
arm*) ARCH=arm ;;
*) ARCH=$( uname -m ) ;;
esac
fi
if [ "$ARCH" = "x86_64" ]; then
DL=${DOWNLOAD_x86_64:-$DOWNLOAD}
SUM=${MD5SUM_x86_64:-$MD5SUM}
else
DL=$DOWNLOAD
SUM=${MD5SUM}
fi
if [ -z "$DL" ]; then
die "Bad .info file (no DOWNLOAD= or DOWNLOAD_x86_64=)."
fi
# save passed-in command line args for use with wget
WGETARGS="$@"
set $SUM
for dl in $DL; do
if [ "$USEARCHIVE" = "yes" ]; then
file="$( echo "$dl" | sed 's,.*/,,' )"
a=$( echo $1 | cut -b1 )
b=$( echo $1 | cut -b2 )
dl="$ARCHIVE/by-md5/$a/$b/$1/$file"
fi
EXTRAWGETARGS="--content-disposition "
case "$dl" in
*sourceforge.net/*|*.sf.net/*) EXTRAWGETARGS="--user-agent wget" ;;
*) ;;
esac
FILE=$( echo "$dl" | sed 's,.*/,,' )
# ignore (rm) broken symlinks
[ -L "$FILE" ] && ! [ -e "$FILE" ] && FORCEDL=yes
[ "$FORCEDL" = "yes" ] && rm -f "$FILE"
if [ -f "$FILE" -a ! -L "$FILE" ]; then
# file exists and is a regular file, cache it
mv -b "$FILE" "$CACHEDIR"
ln -s "$CACHEDIR/$FILE" "$FILE"
elif [ -e "$FILE" ]; then
# don't do anything
:
elif [ "$FORCEDL" != "yes" ] && [ -e "$CACHEDIR/$FILE" ]; then
ln -s "$CACHEDIR/$FILE" "$FILE"
else
wget $EXTRAWGETARGS $WGETARGS "$dl" || die "Download failed"
if [ -e "$FILE" ]; then
mv -b "$FILE" "$CACHEDIR"
ln -s "$CACHEDIR/$FILE" "$FILE"
fi
fi
if [ -e "$FILE" ]; then
GOTSUM="$( md5sum "$FILE" | cut -d' ' -f1 )"
if [ "$1" != "$GOTSUM" ]; then
echo -e "${RED}WARN: md5sum doesn't match${COLOR_OFF}\\n expected: $1\\n got: $GOTSUM"
else
echo -e "${GREEN}md5sum matches OK${COLOR_OFF}: $1"
fi
else
echo -e "${RED}WARN${COLOR_OFF}: can't find downloaded file $FILE"
fi
shift
done
|
