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# Copyright 1999-2009 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# On windows, binary files (executables, shared libraries) in use
# cannot be replaced during merge.
# But it is possible to rename them and remove lateron when they are
# not used any more by any running program.
#
# This is a workaround for portage bug#199868,
# and should be dropped once portage does sth. like this itself.
#
# Need to explicitly set PKG_CONFIG_PATH for cross EPREFIX.
export PKG_CONFIG_PATH="${EPREFIX}/lib/pkgconfig:${EPREFIX}/usr/lib/pkgconfig"
windows_cleanup_removed_files() {
local removedlist=$1
rm -f "${removedlist}".new
if [[ -r ${removedlist} ]]; then
rm -f "${removedlist}".old
fi
# restore in case of system fault
if [[ -r ${removedlist}.old ]]; then
mv "${removedlist}"{.old,}
fi
touch "${removedlist}"{,.new} # ensure they exist
while read rmstem; do
# try to remove previously recorded files
for f in "${ROOT}${rmstem}"*; do
ebegin "trying to remove ${f}"
rm -f "${f}" > /dev/null 2>&1
eend $?
done
# but keep it in list if still exists
for f in "${ROOT}${rmstem}"*; do
[[ -f ${f} ]] && echo "${rmstem}" >> "${removedlist}".new
break
done
done < "${removedlist}"
# update the list
mv "${removedlist}"{,.old}
mv "${removedlist}"{.new,}
rm "${removedlist}".old
}
windows_find_removed_slot() {
local f=$1
local n=0
while [[ ${n} -lt 100 && -f "${f}${n}" ]]; do
n=$((n=n+1))
done
if [[ ${n} -ge 100 ]]; then
echo "too many (>=100) old text files busy of '${f}'" >&2
exit 1
fi
echo $n
}
windows_prepare_file() {
local failed=0
my_mv=mv
[[ "${1}" == */mv ]] && my_mv="${1}.new"
[[ -f "${1}.new" ]] && rm -f "${1}.new"
cp -p "${1}" "${1}.new" || failed=1
${my_mv} "${1}" "${2}" || failed=1
${my_mv} "${1}.new" "${1}" || failed=1
echo $failed
}
post_src_install() {
cd "${ED}"
find . -name '*.exe' | while read f; do
if file "${f}" | grep "GUI" > /dev/null 2>&1; then
if test ! -f "${f%.exe}"; then
einfo "Windows GUI Executable $f will have no symlink."
fi
else
if test ! -f "${f%.exe}"; then
ebegin "creating ${f%.exe} -> ${f} for console accessibility."
eend $(ln -sf "$(basename "${f}")" "${f%.exe}" && echo 0 || echo 1)
fi
fi
done
}
post_pkg_preinst() {
local removedlist="${EROOT}var/lib/portage/files2bremoved"
windows_cleanup_removed_files $removedlist
# now go for current package
cd "${D}"
find ".${EROOT}" -type f | xargs -r /usr/bin/file | grep ' PE ' | while read f t
do
f=${f#./} # find prints: "./path/to/file"
f=${f%:} # file prints: "file-argument: type-of-file"
test -r "${ROOT}${f}" || continue
rmstem="${f}.removedbyportage"
# keep list of old busy text files unique
grep "^${rmstem}$" "${removedlist}" >/dev/null \
|| echo "${rmstem}" >> "${removedlist}"
local n=$(windows_find_removed_slot ${ROOT}${rmstem})
ebegin "backing up text file ${ROOT}${f} (${n})"
eend $(windows_prepare_file "${ROOT}${f}" "${ROOT}${rmstem}${n}")
done
}
post_pkg_prerm() {
local removedlist="${EROOT}var/lib/portage/files2bremoved"
save_IFS=$IFS
IFS='
';
local MY_PR=${PR}
[[ ${MY_PR} == r0 ]] && MY_PR=
local -a contents=($(<"${EROOT}var/db/pkg/${CATEGORY}/${P}${MY_PR:+-}${MY_PR}/CONTENTS"));
IFS=$save_IFS
local -a cont
for content in "${contents[@]}"; do
cont=($content)
f=${cont[1]}
f=${f#/}
test -r "${ROOT}${f}" || continue
if /usr/bin/file "${ROOT}${f}" | grep ' PE ' > /dev/null; then
# $f should be an absolute path to the installed file
rmstem="${f}.removedbyportage"
grep "^${rmstem}$" "${removedlist}" > /dev/null \
|| echo "${rmstem}" >> "${removedlist}"
local n=$(windows_find_removed_slot ${ROOT}${rmstem})
ebegin "preparing ${ROOT}${f} for unmerge ($n)"
eend $(windows_prepare_file "${ROOT}${f}" "${ROOT}${rmstem}${n}")
fi
done
}
pre_pkg_postrm() {
local removedlist="${EROOT}var/lib/portage/files2bremoved"
windows_cleanup_removed_files $removedlist
}
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