2 files changed, 64 insertions, 0 deletions
diff --git a/Mk/Scripts/electron-create-mtree.sh b/Mk/Scripts/electron-create-mtree.sh
new file mode 100644
index 000000000000..6e213f0d5b23
--- /dev/null
+++ b/Mk/Scripts/electron-create-mtree.sh
@@ -0,0 +1,34 @@
+#!/bin/sh
+#
+# MAINTAINER: tagattie@FreeBSD.org
+
+PATH=/bin:/usr/bin:/usr/sbin
+
+set -e
+set -o pipefail
+
+[ -n "${DEBUG_MK_SCRIPTS}" -o -n "${DEBUG_MK_SCRIPTS_ELECTRON_CREATE_MTREE}" ] && set -x
+
+PREFETCH_TIMESTAMP=61171200	# 1971-12-10 00:00:00 GMT
+
+set -u
+
+usage() {
+    cat <<EOF
+    Usage: ${0##*/} dirname
+EOF
+    exit 1
+}
+
+if [ $# -ne 1 ]; then
+    usage
+fi
+
+mtree -cbnSp "$1" | mtree -C | \
+awk -f "${SCRIPTSDIR}/electron-normalize-permissions.awk" | \
+sed -e "s/time=[0-9.]*/time=${PREFETCH_TIMESTAMP}.000000000/" \
+    -e 's/\([gu]id\)=[0-9]*/\1=0/g' \
+    -e 's/flags=.*/flags=none/' \
+    -e "s|^\.|$1|" \
+    -e "s|^${WRKDIR}/||" \
+    -e '1d'
diff --git a/Mk/Scripts/electron-normalize-permissions.awk b/Mk/Scripts/electron-normalize-permissions.awk
new file mode 100644
index 000000000000..876f6c4fb684
--- /dev/null
+++ b/Mk/Scripts/electron-normalize-permissions.awk
@@ -0,0 +1,30 @@
+# MAINTAINER: tagattie@FreeBSD.org
+
+function oct2dec(octstr, i, c, val) {
+	val = 0
+	for (i = 1; i <= length(octstr); i++) {
+		c = substr(octstr, i, 1)
+		if (c < "0" || c > "7") {
+			break
+		}
+		val = val * 8 + (c - "0")
+	}
+	return val
+}
+
+{
+	if (match($0, /mode=[0-7]+/)) {
+		mode_str = substr($0, RSTART+5, RLENGTH-5)
+		mode = oct2dec(mode_str)
+		exec_bits = 73				# 0o111
+		special_bits = 3584			# 0o7000
+		special = and(mode, special_bits)
+		if (and(mode, exec_bits) != 0) {
+			newmode = or(special, 493)	# 0o755
+		} else {
+			newmode = or(special, 420)	# 0o644
+		}
+		sub(/mode=[0-7]+/, "mode=" sprintf("%04o", newmode))
+	}
+	print
+}