[XS] Change in coreboot[main]: payloads/edk2/Makefile: detect invalid commit hash on checkout

[Sergii Dmytruk (Code Review)]

Sergii Dmytruk has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/84292?usp=email )

Change subject: payloads/edk2/Makefile: detect invalid commit hash on checkout
......................................................................

payloads/edk2/Makefile: detect invalid commit hash on checkout

There is already a check for invalid reference, however `git rev-parse
reference` doesn't fail on unknown commit hash unless `^{object}` peeling operator is used (`^{commit}` can be used as well).

Change-Id: I7ef39aeee2e902ac2fad6ac41b546c47418e1dec
Signed-off-by: Sergii Dmytruk 
---
M payloads/external/edk2/Makefile
1 file changed, 2 insertions(+), 2 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/92/84292/1

diff --git a/payloads/external/edk2/Makefile b/payloads/external/edk2/Makefile
index e198623..6464e9f 100644
--- a/payloads/external/edk2/Makefile
+++ b/payloads/external/edk2/Makefile
@@ -179,7 +179,7 @@
    	git clone --recurse-submodules $(CONFIG_EDK2_PLATFORMS_REPOSITORY) $(EDK2_PLATFORMS_PATH) -j5; \
    fi
    cd $(EDK2_PLATFORMS_PATH); \
-		if ! git rev-parse --verify -q $(CONFIG_EDK2_PLATFORMS_TAG_OR_REV) >/dev/null; then \
+		if ! git rev-parse --verify -q $(CONFIG_EDK2_PLATFORMS_TAG_OR_REV)^{object} >/dev/null; then \
    		echo "    $(CONFIG_EDK2_PLATFORMS_TAG_OR_REV) is not a valid git reference"; \
    		exit 1; \
    	fi; \
@@ -202,7 +202,7 @@
    	fi; \
    	echo "    Fetching new commits from $(CONFIG_EDK2_REPOSITORY)"; \
    	git fetch origin 2>/dev/null; \
-		if ! git rev-parse --verify -q $(CONFIG_EDK2_TAG_OR_REV) >/dev/null; then \
+		if ! git rev-parse --verify -q $(CONFIG_EDK2_TAG_OR_REV)^{object} >/dev/null; then \
    		echo "    $(CONFIG_EDK2_TAG_OR_REV) is not a valid git reference"; \
    		exit 1; \
    	fi; \