1 files changed, 33 insertions, 0 deletions
diff --git a/exp/Makefile b/exp/Makefile
new file mode 100644
index 0000000..37fa8c8
--- /dev/null
+++ b/exp/Makefile
@@ -0,0 +1,33 @@
+REPO_URL  := https://club1.fr/~nicolas/git/dna-backup/
+
+REPO_PATH := repo
+GIT_PATH  := git
+GITC      := git -C $(REPO_PATH)
+
+BIN_PATH  := ..
+
+.PHONY: apply
+apply: commits ../dna-backup
+	cat $< | while read i; do \
+		$(GITC) checkout `echo "$$i" | cut -f1`; \
+	done
+
+$(BIN_PATH)/dna-backup: .FORCE
+	$(MAKE) -C $(BIN_PATH) dna-backup
+
+commits: Makefile repo git
+	$(GITC) log --reverse --no-merges --pretty=tformat:"%H	%as" \
+	| sort --unique --key=2 \
+	> $@
+
+repo git:
+	git clone --separate-git-dir=$(GIT_PATH) $(REPO_URL) $(REPO_PATH)
+# remove warning about detached head state
+	$(GITC) config advice.detachedHead false
+
+.PHONY: clean
+clean:
+	rm -rf $(REPO_PATH) $(GIT_PATH)
+	rm -f commits
+
+.FORCE: ;