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#!/bin/sh -e
## e.g.
#
# $ ./scripts/setup
# $ ./scripts/deplist system | ./scripts/depsort
#
HERE="$(dirname $(readlink -f ${0}))";
BASE="${HERE}/..";
##
# Usage
#
if test ${#} = 0; then
cat <<EOF
Usage: ${0} REPO [REPO ...]
EOF
fi
##
# Sanity check. The specified repositories exist.
#
for repo in ${@}; do
if ! test -d "${BASE}/${repo}"; then
printf "E: '%s' is not a valid repository!\n" "${repo}" 1>&2;
exit 1;
fi
done
##
# Find a package by name or find the parent package of a subpackage.
# Note that the index is padded by a space on either side for easy grep.
#
# Usage: parent PACKAGE
#
parent ()
{
a=$("${HERE}"/sgrep " ${1} " "${HERE}"/.index | cut -d' ' -f2 | xargs);
if ! test -z "${a}"; then
r=${a};
else
b=$(grep " ${1} " "${HERE}"/.index | cut -d' ' -f2 | xargs);
if ! test -z "${b}"; then
r=${b};
else
r=${1};
fi
fi
printf "%s" "${r}";
}
##
# Prints a fatal error and exits.
#
nxdepf ()
{
printf "E: dependency '%s' not found or excepted (needed by '%s')\n" "${1}" "${2}" 1>&2;
exit 1;
}
##
# Do everything at once.
#
for repo in ${@}; do
find "${BASE}/${repo}" -mindepth 1 -maxdepth 1 -type d | while read k; do
(
##
# Source APKBUILD in a subshell to avoid contamination.
#
. "${k}/APKBUILD";
##
# Special-case some options. For example, '!check' means
# that the 'checkdepends=' variable is not used. Ignore.
#
for m in ${options}; do
case ${m} in
!check) checkdepends=; ;;
esac
done
##
# Aggregate all possible depends. Obviously if something
# is not specified, it will be empty anyway.
#
# FIXME: Clean this up somehow.
#
cats=$(tr ' ' '\n' <<EOF | sort | uniq
${checkdepends}
${depends}
${depends_dev}
${makedepends}
${makedepends_build}
${makedepends_host}
${_core_depends}
EOF
);
##
# Construct canonical repository/package name.
#
p="${repo}/${k##*/}";
##
# Column 1 output.
#
printf "%s " "${p}";
test -z "${cats}" && printf "\n" && continue; # skip when empty; we are done
for d in ${cats}; do
##
# Trim out most of the qualifiers.
#
_d=${d}; # formatting
_d=${_d%=*}; # remove =version
_d=${_d%>*}; # remove >version
_d=${_d%<*}; # remove <version
_d=${_d%~*}; # remove ~version
##
# Handle cases where a dependency is provided by another package.
#
case "${_d}" in
!*) continue; ;;
# override: system
/bin/sh) _d=dash; ;;
/sbin/init) _d=s6-linux-init; ;;
cmd:sendmail) _d=ssmtp; ;;
cmd:which) _d=debianutils; ;;
libc-utils) _d=musl; ;;
# override: user (FIXME: incomplete)
cmd:byacc) _d=$(parent ${d#cmd:*}); ;;
cmd:cpio) _d=$(parent libarchive-tools); ;;
cmd:gzip) _d=$(parent ${d#cmd:*}); ;;
cmd:yacc) _d=bison; ;;
cmd:lex) _d=flex; ;;
cmd:locale) _d=musl-locales; ;;
cmd:mcookie) _d=$(parent ${d#cmd:*}); ;;
cmd:pkg-config) _d=pkgconf; ;;
cmd:unix2dos) _d=dos2unix; ;;
cmd:xsltproc) _d=libxslt; ;;
cargo-*) _d=rust; ;;
guile-dev) _d=guile; ;;
llvm-dev) _d=$(parent llvm14-dev); ;;
llvm-static) _d=$(parent llvm14-static); ;;
llvm-test-*) _d=$(parent llvm14-test-utils); ;;
# automatic search
*) _d=$(parent $_d); ;;
esac
##
# Determine relative path to dependency. It might be
# in the wrong repository, in which case must fix.
#
# TODO: Clean up to accommodate any number of repos
# and their policies. For example, 'kernel' if we do
# end up creating that someday.
#
case "${repo}" in
system) # nothing in system may depend on anything outside of system
if ! test -f "${BASE}/${repo}/${_d}/APKBUILD"; then
nxdepf "${_d}" "${p}";
fi
path="${repo}/${_d}";
;;
user) # packages in user might depend on something in system
if ! test -f "${BASE}/${repo}/${_d}/APKBUILD"; then
if test -f "${BASE}/system/${_d}/APKBUILD"; then
path="system/${_d}";
else
nxdepf "${_d}" "${p}";
fi
else
path="${repo}/${_d}";
fi
;;
esac
##
# Print remaining columns of output if not parent.
#
printf " %s" "${path}";
done | tr ' ' '\n' | sed -e "\@${p}\$@d" | sort -u | xargs; # sort and remove duplicates
)
done | sort; # sort only within a repo
done
|
