From 8a74fa45eee453564c60b9c7ac8595b294002ccb Mon Sep 17 00:00:00 2001
From: Patrick McDermott <patrick.mcdermott@libiquity.com>
Date: Thu, 25 Apr 2019 22:27:28 -0400
Subject: src/session.sh: Define functions before references

---
diff --git a/src/session.sh b/src/session.sh
index bb6347b..3dbf875 100644
--- a/src/session.sh
+++ b/src/session.sh
@@ -26,6 +26,54 @@ session_mountdir=
 session_atexit=
 session_sigs=
 
+session_handle_sig()
+{
+	local sig="${1}"
+	shift 1
+
+	session_end
+
+	exit $((128 + ${sig}))
+}
+
+session_set_sigs()
+{
+	local i=
+	local sig=
+
+	# We need the signal *number* in the signal handler.  The only portable
+	# and easy way to get the number of a named signal is to search for it
+	# as in the following loop hack.
+	i=0
+	session_sigs=''
+	while [ ${i} -lt 127 ]; do
+		i=$((${i} + 1))
+		sig="$(kill -l ${i} 2>/dev/null)" || continue
+		case "${sig}" in
+			'HUP' | 'INT' | 'QUIT' | 'ABRT' | 'ALRM' | 'TERM')
+				session_sigs="${session_sigs} ${i}"
+				trap "session_handle_sig ${i}" ${i}
+				;;
+		esac
+	done
+}
+
+session_mount()
+{
+	local fs=
+	local dir=
+	local fstype=
+	local options=
+
+	while read fs dir fstype options; do
+		[ "x${dir}" = 'x' ] && continue
+		mount -t "${fstype}" -o "${options}" -- "${fs}" \
+			"${session_root}/${dir}"
+	done <<-EOF
+		$(profile_get_fstab "${session_arch}" "${session_plat}")
+		EOF
+}
+
 session_begin()
 {
 	local root="${1}"
@@ -85,6 +133,28 @@ session_begin()
 	return 0
 }
 
+session_umount()
+{
+	local fs=
+	local dir=
+	local fstype=
+	local options=
+
+	while read fs dir fstype options; do
+		[ "x${dir}" = 'x' ] && continue
+		# umount sometimes complains that the /dev file system is busy.
+		# Here's a kludge to try to handle that.  We better make sure
+		# bind mounts get unmounted; otherwise, `rm -Rf ${root}` can be
+		# painful.
+		while ! umount -- "${session_root}/${dir}"; do
+			sleep 1
+		done
+	done <<-EOF
+		$(profile_get_fstab "${session_arch}" "${session_plat}" | \
+			sed -n '1!G;h;$p')
+		EOF
+}
+
 session_end()
 {
 	trap : ${session_sigs}
@@ -147,73 +217,3 @@ session_exec()
 
 	return ${?}
 }
-
-session_mount()
-{
-	local fs=
-	local dir=
-	local fstype=
-	local options=
-
-	while read fs dir fstype options; do
-		[ "x${dir}" = 'x' ] && continue
-		mount -t "${fstype}" -o "${options}" -- "${fs}" \
-			"${session_root}/${dir}"
-	done <<-EOF
-		$(profile_get_fstab "${session_arch}" "${session_plat}")
-		EOF
-}
-
-session_umount()
-{
-	local fs=
-	local dir=
-	local fstype=
-	local options=
-
-	while read fs dir fstype options; do
-		[ "x${dir}" = 'x' ] && continue
-		# umount sometimes complains that the /dev file system is busy.
-		# Here's a kludge to try to handle that.  We better make sure
-		# bind mounts get unmounted; otherwise, `rm -Rf ${root}` can be
-		# painful.
-		while ! umount -- "${session_root}/${dir}"; do
-			sleep 1
-		done
-	done <<-EOF
-		$(profile_get_fstab "${session_arch}" "${session_plat}" | \
-			sed -n '1!G;h;$p')
-		EOF
-}
-
-session_set_sigs()
-{
-	local i=
-	local sig=
-
-	# We need the signal *number* in the signal handler.  The only portable
-	# and easy way to get the number of a named signal is to search for it
-	# as in the following loop hack.
-	i=0
-	session_sigs=''
-	while [ ${i} -lt 127 ]; do
-		i=$((${i} + 1))
-		sig="$(kill -l ${i} 2>/dev/null)" || continue
-		case "${sig}" in
-			'HUP' | 'INT' | 'QUIT' | 'ABRT' | 'ALRM' | 'TERM')
-				session_sigs="${session_sigs} ${i}"
-				trap "session_handle_sig ${i}" ${i}
-				;;
-		esac
-	done
-}
-
-session_handle_sig()
-{
-	local sig="${1}"
-	shift 1
-
-	session_end
-
-	exit $((128 + ${sig}))
-}
--
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