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#!/bin/bash
##############################################################################
# parabola-riscv64-bootstrap #
# #
# Copyright (C) 2018 Andreas Grapentin #
# #
# This program is free software: you can redistribute it and/or modify #
# it under the terms of the GNU General Public License as published by #
# the Free Software Foundation, either version 3 of the License, or #
# (at your option) any later version. #
# #
# This program is distributed in the hope that it will be useful, #
# but WITHOUT ANY WARRANTY; without even the implied warranty of #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
# GNU General Public License for more details. #
# #
# You should have received a copy of the GNU General Public License #
# along with this program. If not, see <http://www.gnu.org/licenses/>. #
##############################################################################
check_deptree() {
echo -n "checking for complete deptree ... "
local have_deptree=yes
[ -f "$DEPTREE".FULL ] || have_deptree=no
echo $have_deptree
[ "x$have_deptree" == "xyes" ] || return "$ERROR_MISSING"
}
build_deptree() {
check_exe ed pacman sed || return
# create empty deptree
truncate -s0 "$DEPTREE".FULL || return
# add the packages listed in the given groups
local g p r
for g in "$@"; do
if pacman -Si "$g" &>/dev/null; then
deptree_add_entry "$g" "<immediate>"
else
for p in $(pacman -Sg "$g" | awk '{print $2}'); do
r=$(make_realpkg "$p") || return "$ERROR_MISSING"
deptree_add_entry "$r" "$g"
done
fi
done
return 0
}
prepare_deptree() {
check_deptree || build_deptree "$@" || return
[ -f "$DEPTREE" ] || cp "$DEPTREE"{.FULL,}
chown "$SUDO_USER" "$DEPTREE"{,.FULL}
}
deptree_next() {
local pkg
pkg=$(grep '\[ *\]' "$DEPTREE" | head -n1 | awk '{print $1}')
[ -n "$pkg" ] || return "$ERROR_MISSING"
echo "$pkg"
}
deptree_remove() {
sed -i "/^$1 :/d; s/ / /g; s/ $1 / /g; s/ */ /g" "$DEPTREE"
}
deptree_is_satisfyable() {
grep -q "^$1 : \\[ *\\]" "$DEPTREE"
}
deptree_check_depend() {
local OPTIND o needed=yes
while getopts "n" o; do
case "$o" in
n) needed=no ;;
*) die -e "$ERROR_INVOCATION" "Usage: ${FUNCNAME[0]} [-p] deptree pkgname depend" ;;
esac
done
shift $((OPTIND-1))
local pkg="$1"
shift
local r
r=$(make_realpkg "$1") || return
local blacklist
blacklist=$(grep "^$r:" "$TOPSRCDIR"/blacklist.txt)
if [ -n "$blacklist" ]; then
error -n "$pkg: bad dependency $r: $(cut -d':' -f2 <<< "$blacklist")"
return "$ERROR_MISSING"
fi
deptree_add_entry "$r" "$pkg"
local have_pkg=no
local path
for path in "${DEPPATH[@]}"; do
check_pkgfile "$path" "$r" && { have_pkg=yes; break; }
check_pkgfile -p "breakdeps" "$path" "$r" && { have_pkg=yes; break; }
done
if [ "x$needed" == "xyes" ] && [ "x$have_pkg" == "xno" ]; then
sed -i "s/^$pkg : \\[/& $r/" "$DEPTREE"{,.FULL}
fi
}
deptree_add_entry() {
local r="${2:-<immediate>}"
if grep -q "^$1 :" "$DEPTREE".FULL; then
# if pkg is in deptree, append requestee to list
sed -i "/#.* $r\\(\$\\|[ ,]\\)/! s/^$1 : \\[.*/&, $r/" "$DEPTREE"*
elif grep -q "^$r :" "$DEPTREE".FULL; then
# elif requestee is in deptree, insert after requestee
sed -i "/^$r :/a $1 : [ ] # $r" "$DEPTREE"*
elif [ "x$r" == "x<immediate>" ]; then
# elif requested directly, add to top of file
sed -i "1i $1 : [ ] # $r" "$DEPTREE"*
else
# else append to deptree
echo "$1 : [ ] # $r" >> "$DEPTREE".FULL
[ -f "$DEPTREE" ] && echo "$1 : [ ] # $r" >> "$DEPTREE"
fi
}
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