hare

commit 84cd44300015c80cd48d192cc5349cdd0ba994be
parent e46629b68032614b066a7f7bd3ed1b3aa6b23c34
Author: Drew DeVault <sir@cmpwn.com>
Date:   Tue,  5 Oct 2021 14:25:10 +0200

hare::module: add ABI_VERSION to hash

This will allow us to break the cache when we break ABI (and
conveniently, it will break everyone's cache following today's ABI
change)

Signed-off-by: Drew DeVault <sir@cmpwn.com>

Diffstat:
M
hare/module/scan.ha
 | 
3
+++

1 file changed, 3 insertions(+), 0 deletions(-)
diff --git a/hare/module/scan.ha b/hare/module/scan.ha
@@ -15,6 +15,8 @@ use strings;
 use strio;
 use fmt;
 
+def ABI_VERSION: u8 = 0;
+
 // Scans the files in a directory for eligible build inputs and returns a
 // [[version]] which includes all applicable files and their dependencies.
 export fn scan(ctx: *context, path: str) (version | error) = {
@@ -326,6 +328,7 @@ fn scan_file(
 	defer io::close(f);
 	let sha = sha256::sha256();
 	hash::write(&sha, strings::toutf8(path));
+	hash::write(&sha, [ABI_VERSION]);
 
 	let tee = io::tee(f, &sha);
 	let lexer = lex::init(&tee, path);