echo commit-ids for each of the components

Signed-off-by: Andrew McDermott <andrew.mcdermott@linaro.org>

2 files changed, 11 insertions, 1 deletions

diff --git a/Makefile b/Makefile
index 0e9d372..0536ce3 100644
--- a/Makefile
+++ b/Makefile
@@ -41,12 +41,16 @@ JDK8_TIP_TARBALL := $(SNAPSHOT_NAME).tar.bz2
 
 ALL_DOWNLOADS := $(JDK8_CORE_TARBALL) $(JDK8_COMPONENT_TARBALLS)
 
-.PHONY: all
+.PHONY: all print-commit-ids
 
 all: $(JDK8_TIP_TARBALL)
 
+print-commit-ids:
+	./print-commit-ids $(JDK8_COMPONENT_TARBALLS)
+
 $(JDK8_TIP_TARBALL): $(ALL_DOWNLOADS)
 	$(RM) -r $@ $(JDK8_CORE)
+	./print-commit-ids $(JDK8_COMPONENT_TARBALLS)
 	tar -zxf $(JDK8_CORE_TARBALL) --transform='s/^\([^-]\+\)-[0-9a-f]\{12\}/\1/'
 	@(set -e; for i in $(JDK8_COMPONENT_TARBALLS); \
 	do \
diff --git a/print-commit-ids b/print-commit-ids
new file mode 100755
index 0000000..c53cfed
--- /dev/null
+++ b/print-commit-ids
@@ -0,0 +1,6 @@
+#!/bin/sh
+
+for i in "$@"; do
+    tar atf $i | head -1 | sed 's!/.*!!'
+done
+