test/test-functions: use binaries from $BUILD_DIR or installed system

In Ubuntu CI, we test binaries from the installed system, not from
$BUILD_DIR, so use the appropriate binary.  Most of the calls to the
binaries are part of checking/processing asan-built binaries, and so
did not apply to Ubuntu CI, except for generating noise in the stderr
log like:

objdump: '/tmp/autopkgtest.83yGoI/build.fHB/src/test/TEST-01-BASIC/systemd-journald': No such file

However this also applies to the call to systemd-nspawn, which the debian
upstream test wrapper was sed-adjusting to use the installed binary
instead of the binary in $BUILD_DIR.  This commit allows removing that
sed processing of the test-functions file during Ubuntu CI test.

1 files changed, 12 insertions, 8 deletions

diff --git a/test/test-functions b/test/test-functions
index 03bfcaf972..62439e66fb 100644
--- a/test/test-functions
+++ b/test/test-functions
@@ -23,6 +23,10 @@ if ! ROOTLIBDIR=$(pkg-config --variable=systemdutildir systemd); then
 fi
 
 PATH_TO_INIT=$ROOTLIBDIR/systemd
+[ "$SYSTEMD_JOURNALD" ] || SYSTEMD_JOURNALD=$(which -a $BUILD_DIR/systemd-journald $ROOTLIBDIR/systemd-journald 2>/dev/null | grep '^/' -m1)
+[ "$SYSTEMD" ] || SYSTEMD=$(which -a $BUILD_DIR/systemd $ROOTLIBDIR/systemd 2>/dev/null | grep '^/' -m1)
+[ "$SYSTEMD_NSPAWN" ] || SYSTEMD_NSPAWN=$(which -a $BUILD_DIR/systemd-nspawn systemd-nspawn 2>/dev/null | grep '^/' -m1)
+[ "$JOURNALCTL" ] || JOURNALCTL=$(which -a $BUILD_DIR/journalctl journalctl 2>/dev/null | grep '^/' -m1)
 
 BASICTOOLS="test sh bash setsid loadkeys setfont login sulogin gzip sleep echo head tail cat mount umount cryptsetup date dmsetup modprobe sed cmp tee rm true false chmod chown ln xargs"
 DEBUGTOOLS="df free ls stty ps ln ip route dmesg dhclient mkdir cp ping dhclient strace less grep id tty touch du sort hostname find vi mv"
@@ -38,7 +42,7 @@ is_built_with_asan() {
     fi
 
     # Borrowed from https://github.com/google/oss-fuzz/blob/cd9acd02f9d3f6e80011cc1e9549be526ce5f270/infra/base-images/base-runner/bad_build_check#L182
-    local _asan_calls=$(objdump -dC $BUILD_DIR/systemd-journald | egrep "callq\s+[0-9a-f]+\s+<__asan" -c)
+    local _asan_calls=$(objdump -dC $SYSTEMD_JOURNALD | egrep "callq\s+[0-9a-f]+\s+<__asan" -c)
     if (( $_asan_calls < 1000 )); then
         return 1
     else
@@ -56,9 +60,9 @@ if [[ "$IS_BUILT_WITH_ASAN" = "yes" ]]; then
     QEMU_SMP=4
 
     # We need to correctly distinguish between gcc's and clang's ASan DSOs.
-    if ldd $BUILD_DIR/systemd | grep -q libasan.so; then
+    if ldd $SYSTEMD | grep -q libasan.so; then
         ASAN_COMPILER=gcc
-    elif ldd $BUILD_DIR/systemd | grep -q libclang_rt.asan; then
+    elif ldd $SYSTEMD | grep -q libclang_rt.asan; then
         ASAN_COMPILER=clang
 
         # As clang's ASan DSO is usually in a non-standard path, let's check if
@@ -66,8 +70,8 @@ if [[ "$IS_BUILT_WITH_ASAN" = "yes" ]]; then
         # We're not setting the LD_LIBRARY_PATH automagically here, because
         # user should encounter (and fix) the same issue when running the unit
         # tests (meson test)
-        if ldd "$BUILD_DIR/systemd" | grep -q "libclang_rt.asan.*not found"; then
-            _asan_rt_name="$(ldd $BUILD_DIR/systemd | awk '/libclang_rt.asan/ {print $1; exit}')"
+        if ldd "$SYSTEMD" | grep -q "libclang_rt.asan.*not found"; then
+            _asan_rt_name="$(ldd $SYSTEMD | awk '/libclang_rt.asan/ {print $1; exit}')"
             _asan_rt_path="$(find /usr/lib* /usr/local/lib* -type f -name "$_asan_rt_name" 2>/dev/null | sed 1q)"
             echo >&2 "clang's ASan DSO ($_asan_rt_name) is not present in the runtime library path"
             echo >&2 "Consider setting LD_LIBRARY_PATH=${_asan_rt_path%/*}"
@@ -240,7 +244,7 @@ $QEMU_OPTIONS \
 run_nspawn() {
     [[ -d /run/systemd/system ]] || return 1
 
-    local _nspawn_cmd="$BUILD_DIR/systemd-nspawn $NSPAWN_ARGUMENTS --register=no --kill-signal=SIGKILL --directory=$TESTDIR/$1 $PATH_TO_INIT $KERNEL_APPEND"
+    local _nspawn_cmd="$SYSTEMD_NSPAWN $NSPAWN_ARGUMENTS --register=no --kill-signal=SIGKILL --directory=$TESTDIR/$1 $PATH_TO_INIT $KERNEL_APPEND"
     if [[ "$NSPAWN_TIMEOUT" != "infinity" ]]; then
         _nspawn_cmd="timeout --foreground $NSPAWN_TIMEOUT $_nspawn_cmd"
     fi
@@ -585,7 +589,7 @@ check_asan_reports() {
         fi
 
         pids=$(
-            "$BUILD_DIR/journalctl" -D "$root/var/log/journal" | perl -alne '
+            "$JOURNALCTL" -D "$root/var/log/journal" | perl -alne '
                  BEGIN {
                      %services_to_ignore = (
                          "dbus-daemon" => undef,
@@ -596,7 +600,7 @@ check_asan_reports() {
         if [[ ! -z "$pids" ]]; then
             ret=$(($ret+1))
             for pid in $pids; do
-                "$BUILD_DIR/journalctl" -D "$root/var/log/journal" _PID=$pid --no-pager
+                "$JOURNALCTL" -D "$root/var/log/journal" _PID=$pid --no-pager
             done
         fi
     fi