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|
#!/bin/bash
# This really is a bash script, please don't change to #!/bin/sh
# TODO: rewrite, this is fugly. Maybe use perl instead of bash.
SBOROOT=${SBOROOT:-/home/urchlay/sbogit}
if [ ! -d $SBOROOT ]; then
SBOROOT=.
fi
SELF="$( echo "$0" | sed 's,.*/,,' )"
usage() {
cat <<EOF
$SELF: print dependency tree of SBo builds
B. Watson, 20210308. Licensed under WTFPL: Do WTF you want with this.
Usage: $SELF [-i] [-q] [-t] [package [package ...]]
-i Ignore installed packages (treat everything as not installed).
-q Output a sbopkg queue file (sqf). With -i, this will be a complete
queue, with all deps listed. Without -i, the queue file won't contain
packages that are already installed (which might mean no output at
all). This is actually the default (-q option not required).
-t Output a recursive 'tree' listing of dependencies. This used to be
the default.
A local copy of the slackbuilds.org repository is required, created
with e.g. rsync or 'git clone'. By default, this script assumes
the current directory is the repo of the Slackware version you're
running, but you can set SBOROOT in the environment to use a different
location. Example:
export SBOROOT=/home/bob/sbomirror/14.1
The SBOROOT (or current dir) needs to contain the category directories
(academic, accessibility, audio, etc etc).
EOF
}
print_installed_status() {
if [ "$IGNORE" = "yes" ]; then
echo
return
fi
pkg_is_installed $1 >/dev/null && echo " (installed)" || echo " (NOT installed)"
}
find_deps() {
local i
local req
local REQUIRES
local info=$(/bin/ls $SBOROOT/*/$2/$2.info 2>/dev/null | head -1)
if [ -z "$info" ]; then
echo "$SELF: $2: no such package" 1>&2
RETVAL=1
return;
fi
eval $(grep ^REQUIRES= $info)
if [ "$REQUIRES" = "" ]; then
return
fi
for req in $REQUIRES; do
for i in $(seq 1 $1 ); do
echo -n " "
done
echo -n $req
if [ "$req" = "%README%" ]; then
echo
else
print_installed_status $req
if [ "$QUEUE" = "yes" ]; then
if [ "$IGNORE" = "yes" ] || ! pkg_is_installed $req ; then
echo $1 $req >> $QTMPFILE
fi
fi
find_deps $(( $1 + 1 )) $req
fi
done
}
QUEUE=yes
while [ "$argsdone" != "yes" ]; do
case "$1" in
-h|-help|--help) usage; exit 0 ;;
-iq|-qi) QUEUE=yes ; IGNORE=yes ; shift ;;
-it|-ti) QUEUE=no ; IGNORE=yes ; shift ;;
-t) QUEUE=no ; shift ;;
-q) QUEUE=yes ; shift ;;
-i) IGNORE=yes ; shift ;;
-*) echo "Unknown option $1"; usage; exit 1 ;;
*) argsdone=yes ;;
esac
done
if [ "$QUEUE" = "yes" ]; then
QTMPFILE=${TMP:-/tmp}/sbodeps.$$.$RANDOM
rm -f $QTMPFILE
# save old stdout to fd 3, suppress stdout since we don't print our tree
exec 3>&1 1>/dev/null
fi
if [ ! -e "$SBOROOT/system" ]; then
echo "$SELF: path \"$SBOROOT\" doesn't look like an SBo repo, set SBOROOT in environment" 1>&2
exit 1
fi
RETVAL=0
[ "$1" = "" ] && set "$( basename $( pwd ) )"
for arg; do
[ "$arg" = "." ] && arg="$( basename $( pwd ) )"
echo -n $arg
print_installed_status $arg
if [ "$QUEUE" = "yes" ]; then
if ! pkg_is_installed $arg || [ "$IGNORE" = "yes" ]; then
echo 0 $arg >> $QTMPFILE
fi
fi
find_deps 1 $arg
done
# The queue temp file contains the same info as the regular
# tree, though less human-readable (depth numbers instead of indents).
# To turn it into a .sqf, sort it depth-first, and remove any duplicates
# (can't use sort -u or uniq, as dups might occur at different depths &
# thus not be on consecutive lines).
if [ "$QUEUE" = "yes" -a -e "$QTMPFILE" ]; then
exec 1>&3 # restore old stdout
for q in $(sort -nr $QTMPFILE | cut -d' ' -f2); do
r=seen_$(echo $q | sed 's,[^A-Za-z0-9_],_,g')
s=${!r} # bash indirect variable ref, yay
if [ "$s" != "yes" ]; then
echo $q
eval $r="yes"
fi
done
rm -f $QTMPFILE
fi
exit $RETVAL
|
