From 0706fc6986773f4e4d391deff4ad5143c464ea4e Mon Sep 17 00:00:00 2001
From: V3n3RiX <venerix@redcorelinux.org>
Date: Sun, 24 Mar 2019 17:44:59 +0000
Subject: Revert "gentoo resync : 24.03.2019"

This reverts commit aa3411e241a201d53a2689766fe419f2756819f3.
---
 profiles/prefix/windows/winnt/profile.bashrc | 121 +++++++++++++++++++++++++++
 1 file changed, 121 insertions(+)

(limited to 'profiles/prefix/windows/winnt')

diff --git a/profiles/prefix/windows/winnt/profile.bashrc b/profiles/prefix/windows/winnt/profile.bashrc
index 3c12c6519673..7d1251609c0f 100644
--- a/profiles/prefix/windows/winnt/profile.bashrc
+++ b/profiles/prefix/windows/winnt/profile.bashrc
@@ -27,6 +27,69 @@ windows_setup_dllhelper() {
 	esac
 }
 
+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' -o -name '*.dll.a' -o -name '*.so' |
@@ -62,6 +125,64 @@ post_src_install() {
 	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
+}
+
 windows_setup_dllhelper_cp() {
 	if ! [[ $(type -P cp) -ef ${T}/dllhelper/cp ]]
 	then
-- 
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