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-rwxr-xr-xscripts/generate-git-snapshot.sh2
1 files changed, 2 insertions, 0 deletions
diff --git a/scripts/generate-git-snapshot.sh b/scripts/generate-git-snapshot.sh
index 239b846c9..b6fe0d6c1 100755
--- a/scripts/generate-git-snapshot.sh
+++ b/scripts/generate-git-snapshot.sh
@@ -2,6 +2,8 @@
#
# Set LINUX_GIT to point to an upstream Linux git tree in your .bashrc or wherever.
+[ ! -d "$LINUX_GIT" ] && echo "error: set \$LINUX_GIT to point at upstream git tree" && exit 1
+
VER=$(grep patch sources | head -n1 | awk '{ print $2 }' | sed s/patch-// | sed s/-git.*// | sed s/.xz//)
OLDGIT=$(grep gitrev kernel.spec | head -n1 | sed s/%define\ gitrev\ //)