1 files changed, 142 insertions, 0 deletions
diff --git a/packages/cortexa57-poky-linux/lttng-tools/lttng-tools/latest.pkg_preinst b/packages/cortexa57-poky-linux/lttng-tools/lttng-tools/latest.pkg_preinst
new file mode 100644
index 00000000000..36399f3c4d5
--- /dev/null
+++ b/packages/cortexa57-poky-linux/lttng-tools/lttng-tools/latest.pkg_preinst
@@ -0,0 +1,142 @@
+#!/bin/sh
+set -e
+bbnote () {
+	echo "NOTE: $*"
+}
+bbwarn () {
+	echo "WARNING: $*"
+}
+bbfatal () {
+	echo "ERROR: $*"
+	exit 1
+}
+perform_groupadd () {
+	local rootdir="$1"
+	local opts="$2"
+	bbnote "lttng-tools: Performing groupadd with [$opts]"
+	local groupname=`echo "$opts" | awk '{ print $NF }'`
+	local group_exists="`grep "^$groupname:" $rootdir/etc/group || true`"
+	if test "x$group_exists" = "x"; then
+		eval flock -x $rootdir/etc -c \"$PSEUDO groupadd \$opts\" || true
+		group_exists="`grep "^$groupname:" $rootdir/etc/group || true`"
+		if test "x$group_exists" = "x"; then
+			bbfatal "lttng-tools: groupadd command did not succeed."
+		fi
+	else
+		bbnote "lttng-tools: group $groupname already exists, not re-creating it"
+	fi
+}
+perform_useradd () {
+	local rootdir="$1"
+	local opts="$2"
+	bbnote "lttng-tools: Performing useradd with [$opts]"
+	local username=`echo "$opts" | awk '{ print $NF }'`
+	local user_exists="`grep "^$username:" $rootdir/etc/passwd || true`"
+	if test "x$user_exists" = "x"; then
+		eval flock -x $rootdir/etc -c  \"$PSEUDO useradd \$opts\" || true
+		user_exists="`grep "^$username:" $rootdir/etc/passwd || true`"
+		if test "x$user_exists" = "x"; then
+			bbfatal "lttng-tools: useradd command did not succeed."
+		fi
+	else
+		bbnote "lttng-tools: user $username already exists, not re-creating it"
+	fi
+}
+perform_groupmems () {
+	local rootdir="$1"
+	local opts="$2"
+	bbnote "lttng-tools: Performing groupmems with [$opts]"
+	local groupname=`echo "$opts" | awk '{ for (i = 1; i < NF; i++) if ($i == "-g" || $i == "--group") print $(i+1) }'`
+	local username=`echo "$opts" | awk '{ for (i = 1; i < NF; i++) if ($i == "-a" || $i == "--add") print $(i+1) }'`
+	bbnote "lttng-tools: Running groupmems command with group $groupname and user $username"
+	local mem_exists="`grep "^$groupname:[^:]*:[^:]*:\([^,]*,\)*$username\(,[^,]*\)*$" $rootdir/etc/group || true`"
+	if test "x$mem_exists" = "x"; then
+		eval flock -x $rootdir/etc -c \"$PSEUDO groupmems \$opts\" || true
+		mem_exists="`grep "^$groupname:[^:]*:[^:]*:\([^,]*,\)*$username\(,[^,]*\)*$" $rootdir/etc/group || true`"
+		if test "x$mem_exists" = "x"; then
+			bbfatal "lttng-tools: groupmems command did not succeed."
+		fi
+	else
+		bbnote "lttng-tools: group $groupname already contains $username, not re-adding it"
+	fi
+}
+OPT=""
+SYSROOT=""
+
+if test "x$D" != "x"; then
+	# Installing into a sysroot
+	SYSROOT="$D"
+	OPT="--root $D"
+
+	# Make sure login.defs is there, this is to make debian package backend work
+	# correctly while doing rootfs.
+	# The problem here is that if /etc/login.defs is treated as a config file for
+	# shadow package, then while performing preinsts for packages that depend on
+	# shadow, there might only be /etc/login.def.dpkg-new there in root filesystem.
+	if [ ! -e $D/etc/login.defs -a -e $D/etc/login.defs.dpkg-new ]; then
+	    cp $D/etc/login.defs.dpkg-new $D/etc/login.defs
+	fi
+
+	# user/group lookups should match useradd/groupadd --root
+	export PSEUDO_PASSWD="$SYSROOT"
+fi
+
+# If we're not doing a special SSTATE/SYSROOT install
+# then set the values, otherwise use the environment
+if test "x$UA_SYSROOT" = "x"; then
+	# Installing onto a target
+	# Add groups and users defined only for this package
+	GROUPADD_PARAM="tracing"
+	USERADD_PARAM=""
+	GROUPMEMS_PARAM=""
+fi
+
+# Perform group additions first, since user additions may depend
+# on these groups existing
+if test "x`echo $GROUPADD_PARAM | tr -d '[:space:]'`" != "x"; then
+	echo "Running groupadd commands..."
+	# Invoke multiple instances of groupadd for parameter lists
+	# separated by ';'
+	opts=`echo "$GROUPADD_PARAM" | cut -d ';' -f 1 | sed -e 's#[ \t]*$##'`
+	remaining=`echo "$GROUPADD_PARAM" | cut -d ';' -f 2- | sed -e 's#[ \t]*$##'`
+	while test "x$opts" != "x"; do
+		perform_groupadd "$SYSROOT" "$OPT $opts"
+		if test "x$opts" = "x$remaining"; then
+			break
+		fi
+		opts=`echo "$remaining" | cut -d ';' -f 1 | sed -e 's#[ \t]*$##'`
+		remaining=`echo "$remaining" | cut -d ';' -f 2- | sed -e 's#[ \t]*$##'`
+	done
+fi
+
+if test "x`echo $USERADD_PARAM | tr -d '[:space:]'`" != "x"; then
+	echo "Running useradd commands..."
+	# Invoke multiple instances of useradd for parameter lists
+	# separated by ';'
+	opts=`echo "$USERADD_PARAM" | cut -d ';' -f 1 | sed -e 's#[ \t]*$##'`
+	remaining=`echo "$USERADD_PARAM" | cut -d ';' -f 2- | sed -e 's#[ \t]*$##'`
+	while test "x$opts" != "x"; do
+		perform_useradd "$SYSROOT" "$OPT $opts"
+		if test "x$opts" = "x$remaining"; then
+			break
+		fi
+		opts=`echo "$remaining" | cut -d ';' -f 1 | sed -e 's#[ \t]*$##'`
+		remaining=`echo "$remaining" | cut -d ';' -f 2- | sed -e 's#[ \t]*$##'`
+	done
+fi
+
+if test "x`echo $GROUPMEMS_PARAM | tr -d '[:space:]'`" != "x"; then
+	echo "Running groupmems commands..."
+	# Invoke multiple instances of groupmems for parameter lists
+	# separated by ';'
+	opts=`echo "$GROUPMEMS_PARAM" | cut -d ';' -f 1 | sed -e 's#[ \t]*$##'`
+	remaining=`echo "$GROUPMEMS_PARAM" | cut -d ';' -f 2- | sed -e 's#[ \t]*$##'`
+	while test "x$opts" != "x"; do
+		perform_groupmems "$SYSROOT" "$OPT $opts"
+		if test "x$opts" = "x$remaining"; then
+			break
+		fi
+		opts=`echo "$remaining" | cut -d ';' -f 1 | sed -e 's#[ \t]*$##'`
+		remaining=`echo "$remaining" | cut -d ';' -f 2- | sed -e 's#[ \t]*$##'`
+	done
+fi