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-rw-r--r--Makefile18
1 files changed, 15 insertions, 3 deletions
diff --git a/Makefile b/Makefile
index 590996a..b688505 100644
--- a/Makefile
+++ b/Makefile
@@ -7,10 +7,12 @@ help:
PREFIX_2_DIGIT ?= 55
init_file = S$(PREFIX_2_DIGIT)tailscale
+TARGET_TO_INSTALL = installed-on-$(ASUS_HOST)
.PHONY: install
-install: tailscaled tailscale install.sh | $(init_file)
- $(if $(ASUS_HOST),,$(error ASUS_HOST variable is not defined))
+install: $(TARGET_TO_INSTALL)
+
+$(TARGET_TO_INSTALL): tailscaled tailscale install.sh | guard-install $(init_file)
@set -eu; \
remote_temp_dir=$$(ssh $(ASUS_HOST) -- mktemp -d); \
if [[ -z "$$remote_temp_dir" ]] ; then \
@@ -21,6 +23,11 @@ install: tailscaled tailscale install.sh | $(init_file)
rsync -rltv $^ $(init_file) $(ASUS_HOST):$${remote_temp_dir}/; \
set +v; \
echo "warn: Don't forget exec \`$${remote_temp_dir}/install.sh $(init_file)\` on remote host to install"
+ touch $@
+
+.PHONY: guard-install
+guard-install:
+ $(if $(ASUS_HOST),,$(error ASUS_HOST variable is not defined))
$(init_file): SXXtailscale.template
cp -a $< $@
@@ -28,9 +35,14 @@ $(init_file): SXXtailscale.template
tailscale tailscaled: downloaded
tar --strip-components 1 -xmvzf $(tailscale.tgz) $(basename $(tailscale.tgz))/$@
-ver:
+
+.INTERMEDIATE: ver-tmp
+ver-tmp:
curl -s https://api.github.com/repos/tailscale/tailscale/releases/latest | perl -nle '/"name":\s*"(.+)"/ and print $$1' > $@
+ver: ver-tmp
+ if [[ ! -e $@ ]] || ! cmp -s $@ $< ; then cat $< > $@ ; fi
+
.PHONY: ver-updated
ver-updated:
$(MAKE) --always-make ver