77#
88# SPDX-License-Identifier: GPL-3.0-or-later
99
10+ # Set constant umask
11+ umask 022
12+
1013# Get a list of files
1114get_files () {
1215 echo " ."
@@ -79,9 +82,11 @@ _grep() {
7982
8083get_revision () {
8184 local pkg=$1
85+ local oldpwd=" ${PWD} "
8286 cd " /external/repo"
8387 # Get revision (n time this package has been built)
8488 revision=$( (ls -1 " ${pkg} " * 2> /dev/null || true) | wc -l | sed ' s/ *//g' )
89+ cd " ${oldpwd} "
8590}
8691
8792# Installs binary packages from an earlier run
@@ -93,11 +98,6 @@ bin_preseed() {
9398 if [ " ${UPDATE_CHECKSUMS} " = " True" || src_checksum " ${pkg} " $(( revision)) ; then
9499 echo " ${pkg} : installing prebuilt package."
95100 mv " ${pkg} _${revision} " * /external/repo || return 1
96- if [[ " ${pkg} " == bash-* ]]; then
97- # tar does not like overwriting running bash
98- # shellcheck disable=SC2153
99- rm -f " ${PREFIX} /bin/bash" " ${PREFIX} /bin/sh"
100- fi
101101 cd " /external/repo"
102102 rm -f /tmp/filelist.txt
103103 src_apply " ${pkg} " $(( revision))
@@ -108,6 +108,65 @@ bin_preseed() {
108108 return 1
109109}
110110
111+ # Removes either an existing package or file
112+ uninstall () {
113+ local in_fs in_pkg symlinks
114+ while [ $# -gt 0 ]; do
115+ removing=" $1 "
116+ case " ${removing} " in
117+ /* )
118+ # Removing a file
119+ echo " removing file: ${removing} ."
120+ rm -f " ${removing} "
121+ ;;
122+ * )
123+ echo " ${removing} : uninstalling."
124+ local oldpwd=" ${PWD} "
125+ mkdir -p " /tmp/removing"
126+ cd " /tmp/removing"
127+ get_revision " ${removing} "
128+ local filename=" /external/repo/${removing} _$(( revision- 1 )) "
129+ # Initial bzip2 built against meslibc has broken pipes
130+ bzip2 -dc " ${filename} " | tar -xf -
131+ # reverse to have files before directories
132+ if command -v find > /dev/null 2>&1 ; then
133+ find . | sort -r > ../filelist
134+ else
135+ get_files . | tac > ../filelist
136+ fi
137+ # shellcheck disable=SC2162
138+ while read file; do
139+ if [ -d " ${file} " ; then
140+ if [ -z " $( ls -A " /${file} " ) " ; then
141+ rmdir " /${file} "
142+ fi
143+ else
144+ # in some cases we might be uninstalling a file that has already been overwritten
145+ # in this case we don't want to remove it
146+ in_fs=" $( sha256sum " ${file} " 2> /dev/null | cut -d' ' ) "
147+ in_pkg=" $( sha256sum " /${file} " 2> /dev/null | cut -d' ' ) "
148+ if [ " ${in_fs} " = " ${in_pkg} " ; then
149+ rm -f " /${file} "
150+ fi
151+ if [ -h " ${file} " ; then
152+ symlinks=" ${symlinks} ${file} "
153+ fi
154+ fi
155+ done < ../filelist
156+ rm -f ../filelist
157+ for link in ${symlinks} ; do
158+ if [ ! -e " /${link} " ; then
159+ rm -f " /${link} "
160+ fi
161+ done
162+ cd " ${oldpwd} "
163+ rm -rf " /tmp/removing"
164+ ;;
165+ esac
166+ shift
167+ done
168+ }
169+
111170# Common build steps
112171# Build function provides a few common stages with default implementation
113172# that can be overridden on per package basis in the build script.
@@ -169,6 +228,7 @@ build() {
169228 call $build_stage
170229
171230 echo " ${pkg} : install to fakeroot."
231+ mkdir -p " ${DESTDIR} "
172232 build_stage=src_install
173233 call $build_stage
174234
@@ -185,7 +245,6 @@ build() {
185245 echo " ${pkg} : cleaning up."
186246 rm -rf " ${SRCDIR} /${pkg} /build"
187247 rm -rf " ${DESTDIR} "
188- mkdir -p " ${DESTDIR} "
189248
190249 echo " ${pkg} : installing package."
191250 src_apply " ${pkg} " " ${revision} "
@@ -236,6 +295,7 @@ extract_file() {
236295 * )
237296 case " ${f} " in
238297 * .tar* | * .tgz)
298+ # shellcheck disable=SC2153
239299 if test -e " ${PREFIX} /libexec/rmt" ; then
240300 # Again, we want to split out into words.
241301 # shellcheck disable=SC2086
@@ -410,6 +470,11 @@ src_apply() {
410470 TAR_PREFIX=" /tmp/"
411471 fi
412472
473+ # Bash does not like to be overwritten
474+ if [[ " ${pkg} " == bash-* ]]; then
475+ rm " ${PREFIX} /bin/bash"
476+ fi
477+
413478 # Overwriting files is mega busted, so do it manually
414479 # shellcheck disable=SC2162
415480 if [ -e /tmp/filelist.txt ]; then
0 commit comments