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#!/bin/bash
# shellcheck source=./default.conf
. "./default.conf"
# TODO: getopts
DOT=1
# local cache dir
CACHE_DIR="$SCRIPT_DIR/cache"
if test ! -d "$CACHE_DIR"; then
mkdir -p "$CACHE_DIR"
fi
# Compute dependencies and make-dependencies to build packages in stage1,
# stage2 or stage3
tmp_dir=$(mktemp -d 'tmp.compute-dependencies.0.XXXXXXXXXX' --tmpdir)
trap 'rm -rf --one-file-system "${tmp_dir}"' EXIT
# all top-level packages in base and base-devel
if test ! -f "$CACHE_DIR/group.base"; then
echo "INFO: Caching packages for group 'base'.." >&2
pacman -Qg base | cut -f 2 -d ' ' > "$CACHE_DIR/group.base"
fi
TOP_BASE_PACKAGES=$(cat "$CACHE_DIR/group.base")
if test ! -f "$CACHE_DIR/group.base-devel"; then
echo "INFO: Caching packages for group 'base-devel'.." >&2
pacman -Qg base-devel | cut -f 2 -d ' ' > "$CACHE_DIR/group.base-devel"
fi
TOP_BASE_DEVEL_PACKAGES=$(cat "$CACHE_DIR/group.base-devel")
STAGE1_PACKAGES="iana-etc filesystem linux-api-headers tzdata ncurses readline bash joe attr acl gmp gdbm db perl openssl zlib pambase cracklib libtirpc pam libcap coreutils util-linux e2fsprogs expat bzip2 lz4 xz pcre less gzip tar libarchive curl pacman-mirrorlist archlinux-keyring archlinux32-keyring pacman elfutils sed texinfo grep findutils file diffutils ed patch fakeroot kbd procps-ng shadow inetutils bc kmod linux uinit nasm syslinux net-tools libmnl libnfnetlink iptables iproute2 libedit openssh make mpfr gawk libmpc binutils gcc glibc libunwind strace gdb"
TOP_PACKAGES="$TOP_BASE_PACKAGES $TOP_BASE_DEVEL_PACKAGES $STAGE1_PACKAGES"
# get dependencies
for package in $TOP_PACKAGES; do
if test ! -f "$CACHE_DIR/$package.pactree"; then
echo "INFO: Caching pactree for $package.." >&2
pactree -l "$package" > "$CACHE_DIR/$package.pactree"
fi
done
mkdir "$tmp_dir/work"
cd "$tmp_dir/work"
# get srcinfo
for package in $TOP_PACKAGES; do
if test ! -f "$CACHE_DIR/$package.srcinfo"; then
echo "INFO: Caching SRCINFO for $package.." >&2
asp export $package >"$tmp_dir/$package.asp_output" 2>&1
# asp makes redirects like '==>' ignore those and use the pointee
if test "$(head -n1 "$tmp_dir/$package.asp_output" | grep -c '==> .* is part of' )" == 1; then
_tmp=$(head -n1 "$tmp_dir/$package.asp_output" | sed 's/==> \(.*\)/\1/')
SUB_PACKAGE=$(echo "$_tmp" | cut -f 1 -d ' ')
ADD_PACKAGE=$(echo "$_tmp" | rev | cut -f 1 -d ' ' | rev)
# TODO: we should map sub packages to packages everywhere
echo "WARN: seen a redirect from $SUB_PACKAGE to $ADD_PACKAGE" >&2
continue;
fi
if test -d "$package"; then
cd $package || exit 1
makepkg --printsrcinfo > "$CACHE_DIR/$package.srcinfo"
fi
fi
done
cat "$CACHE_DIR"/*.pactree > "$tmp_dir/dependencies"
# all packages needed
ALL_PACKAGES="$(cat "$tmp_dir/dependencies" | sort | uniq)"
export CARCH='x86_64'
canonize_package( )
{
_p=$1
if test $(echo $_p | grep -c '>=') -gt 0; then
_p=$(echo $_p | cut -f 1 -d '>')
fi
}
get_dependencies( )
{
package=$1
mode=$2
asp show $package >"${tmp_dir}/$package.PKGBUILD"
# asp makes redirects like '==>' ignore those and use the pointee
if test "$(head -n1 "${tmp_dir}/$package.PKGBUILD" | grep -c '==>' )" == 1; then
_tmp=$(head -n1 "${tmp_dir}/$package.PKGBUILD" | sed 's/==> \(.*\)/\1/')
SUB_PACKAGE=$(echo "$_tmp" | cut -f 1 -d ' ')
ADD_PACKAGE=$(echo "$_tmp" | rev | cut -f 1 -d ' ' | rev)
# TODO: we should map sub packages to packages everywhere
echo "WARN: seen a redirect from $SUB_PACKAGE to $ADD_PACKAGE" >&2
unset depends
return
fi
_depends=$(. ${tmp_dir}/$package.PKGBUILD; echo "${depends[@]}")
if test "$_depends" != ""; then
for subpackage in $_depends; do
canonize_package "$subpackage"
subpackage=$_p
depends+=( "$subpackage" )
#get_dependencies "$subpackage" "$mode"
done
fi
}
if test "$DOT" = 1; then
cat <<EOF
digraph dependencies {
fontname=dejavu;
EOF
fi
if test "$DOT" = 1;then
for package in $TOP_BASE_PACKAGES; do
cat <<EOF
"$package" [fontcolor="#00ff00"];
EOF
done
for package in $TOP_BASE_DEVEL_PACKAGES; do
cat <<EOF
"$package" [fontcolor="#0000ff"];
EOF
done
for package in $STAGE1_PACKAGES; do
cat <<EOF
"$package" [fontcolor="#ff0000"];
EOF
done
fi
for package in $ALL_PACKAGES; do
unset depends
declare -a depends
get_dependencies "$package" "depends"
if test -v depends; then
if test "$DOT" = 0; then
echo -n "$package: "
fi
for depend in "${depends[@]}"; do
if test "$DOT" = 1; then
cat <<EOF
"$package" -> "$depend"
EOF
else
echo -n "$depend "
fi
done
echo
fi
done
if test "$DOT" = 1; then
cat <<EOF
}
EOF
fi
# DOT=0
# ./compute_dependencies.sh > stage2
# DOT=1
# ./compute_dependencies.sh > graph.dot
# dot -Tpng -o graph.png graph.dot
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