3 files changed, 15 insertions, 3 deletions
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..52173d6
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+apt-install.stamp
diff --git a/Makefile b/Makefile
index 847eb68..1668ddc 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,16 @@
 sudo != [ $$(id -u) = 0 ] || groups | grep -wo sudo
+screen != command -v screen
+apt = $(sudo) apt
 install = $(sudo) install
-.PHONY: install
+ifeq (,$(screen))
-install:
+prereqs += screen
-        $(install) -v -T -- twopane.bash /usr/local/bin/twopane
+endif
+.PHONY: install deps
+install: deps
+        $(install) -v -T -- src/twopane.bash /usr/local/bin/twopane
+deps: apt-install.stamp
+apt-install.stamp: Makefile
+ifneq (,$(prereqs))
+        $(apt) install --no-upgrade $(prereqs)
+endif
+        touch $@
diff --git a/twopane.bash b/src/twopane.bash
index 39a6bfb..39a6bfb 100755
--- a/twopane.bash
+++ b/src/twopane.bash

diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..52173d6 --- /dev/null +++ b/.gitignore
@@ -0,0 +1 @@
			apt-install.stamp


diff --git a/Makefile b/Makefile index 847eb68..1668ddc 100644 --- a/Makefile +++ b/Makefile
@@ -1,5 +1,16 @@
1	sudo != [ $$(id -u) = 0 ] \|\| groups \| grep -wo sudo	1	sudo != [ $$(id -u) = 0 ] \|\| groups \| grep -wo sudo
		2	screen != command -v screen
		3	apt = $(sudo) apt
2	install = $(sudo) install	4	install = $(sudo) install
3	.PHONY: install	5	ifeq (,$(screen))
4	install:	6	prereqs += screen
5	$(install) -v -T -- twopane.bash /usr/local/bin/twopane	7	endif
		8	.PHONY: install deps
		9	install: deps
		10	$(install) -v -T -- src/twopane.bash /usr/local/bin/twopane
		11	deps: apt-install.stamp
		12	apt-install.stamp: Makefile
		13	ifneq (,$(prereqs))
		14	$(apt) install --no-upgrade $(prereqs)
		15	endif
		16	touch $@


diff --git a/twopane.bash b/src/twopane.bash index 39a6bfb..39a6bfb 100755 --- a/twopane.bash +++ b/src/twopane.bash