misc: add nix derivation

1 files changed, 17 insertions, 1 deletions

diff --git a/Makefile b/Makefile
index a8db336..50dd1b2 100644
--- a/Makefile
+++ b/Makefile
@@ -7,8 +7,10 @@ lib-src 	= src/lib.rs
 src	 	= $(bin-src) $(lib-src)
 meta 		= Cargo.toml
 rustdoc-entry	= target/doc/vtcol/index.html
+cargo-lock	= Cargo.lock
+cargo-lock-patch= misc/nixos/pkgs/os-specific/linux/vtcol/cargo-lock.patch
 
-all: bin lib doc
+all: bin lib doc nix
 
 check: $(src)
 	cargo test 
@@ -23,6 +25,18 @@ man: $(manpage)
 
 rustdoc: $(rustdoc-entry)
 
+nix: lockpatch
+
+lockpatch: $(cargo-lock-patch)
+
+$(cargo-lock-patch): $(meta)
+	rm -f -- $(cargo-lock)
+	cargo update
+	cargo generate-lockfile
+	mkdir -p tmp
+	mv -f -- $(cargo-lock) tmp/
+	diff -u /dev/null tmp/$(cargo-lock) >$(cargo-lock-patch) ; :
+
 $(lib): $(lib-src) $(meta)
 	cargo build --release 
 
@@ -37,6 +51,8 @@ $(rustdoc-entry): $(src) $(meta)
 
 clean:
 	rm -f -- $(manpage)
+	rm -f -- $(cargo-lock)
 	rm -rf -- $(cargo-target)
+	rm -rf -- tmp
 
 .PHONY: clean check