Added a new test case to reproduce an issue while replacing a pkg multiple times.

The test case currently fails; will be fixed shortly in an upcoming commit.

tests/xbps/libxbps/common/Kyuafile

@@ -13,5 +13,7 @@ atf_test_program{name="issue18_test"}
 atf_test_program{name="issue20_test"}
 atf_test_program{name="conf_files_test"}
 atf_test_program{name="remove_test"}
+atf_test_program{name="replace_test"}
+
 include('find_pkg_orphans/Kyuafile')
 include('pkgdb/Kyuafile')

tests/xbps/libxbps/shell/Makefile

@@ -2,6 +2,7 @@ TOPDIR = ../../../..
 -include $(TOPDIR)/config.mk
 
 TESTSHELL = conf_files_test issue6_test issue18_test issue20_test remove_test
+TESTSHELL+= replace_test
 
 include ../Makefile.inc
 include $(TOPDIR)/mk/test.mk

tests/xbps/libxbps/shell/replace_test.sh

@@ -0,0 +1,41 @@
+#!/bin/sh
+#
+# This test case reproduces the following issue:
+#
+#	- A-1.0_1 is installed.
+#	- B-1.0_1 is going to be installed and it should replace pkg A, but
+#		  incorrectly wants to replace A multiple times, i.e
+#		  replaces="A>=0 A>=0"
+#	- B-1.0_1 is installed.
+#	- A-1.0_1 is registered in pkgdb, while it should not.
+
+atf_test_case replace_dups
+
+replace_dups_head() {
+	atf_set "descr" "Tests for package replace: verify dup matches"
+}
+
+replace_dups_body() {
+	mkdir some_repo root
+	mkdir -p pkg_A/usr/bin pkg_B/usr/bin
+	echo "A-1.0_1" > pkg_A/usr/bin/foo
+	echo "B-1.0_1" > pkg_B/usr/bin/foo
+	cd some_repo
+	xbps-create -A noarch -n A-1.0_1 -s "A pkg" ../pkg_A
+	atf_check_equal $? 0
+	xbps-create -A noarch -n B-1.0_1 -s "B pkg" --replaces "A>=0 A>=0" ../pkg_B
+	atf_check_equal $? 0
+	xbps-rindex -a *.xbps
+	atf_check_equal $? 0
+	cd ..
+	xbps-install -C empty.conf -r root --repository=$mydir/some_repo -y A
+	atf_check_equal $? 0
+	xbps-install -C empty.conf -r root --repository=$mydir/some_repo -y B
+	atf_check_equal $? 0
+	result=$(xbps-query -C empty.conf -r root -l|wc -l)
+	atf_check_equal $result 1
+}
+
+atf_init_test_cases() {
+	atf_add_test_case replace_dups
+}