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Fail actionably when vendor submodules are missing

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A user downloaded the auto-generated 'Source code' zip from the release
(no submodules) and hit the raw 'load failed for vendor/irregex/irregex.scm'.
cli.ss and make now check for vendor/irregex up front and print the fix
(clone --recurse-submodules / git submodule update --init --recursive);
README documents both and warns that GitHub's source archives can't build.
Release notes updated with the same pointer.
This commit is contained in:
Yogthos 2026-07-02 19:08:41 -04:00
parent dbc4298c0a
commit 5467c1d98d
3 changed files with 46 additions and 5 deletions
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20
host/chez/cli.ss
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@ -11,6 +11,26 @@
(define cli-args (cdr (command-line))) ; drop the script name
;; Fail early and actionably when the vendored submodules aren't checked out —
;; a plain `git clone` or GitHub's auto-generated "Source code" release archive
;; lacks them, and the raw failure ("load failed for vendor/irregex/irregex.scm")
;; doesn't say how to fix it. (The self-contained joltc binary embeds these and
;; never runs this file.)
(unless (file-exists? "vendor/irregex/irregex.scm")
(display "jolt: vendor submodules are missing (vendor/irregex).
" (current-error-port))
(display "GitHub's 'Source code' release archives don't include submodules.
" (current-error-port))
(display "Clone the repo instead:
" (current-error-port))
(display " git clone --recurse-submodules https://github.com/jolt-lang/jolt.git
" (current-error-port))
(display "or, in an existing checkout:
" (current-error-port))
(display " git submodule update --init --recursive
" (current-error-port))
(exit 1))
(load "host/chez/rt.ss")
(set-chez-ns! "clojure.core")
(load "host/chez/seed/prelude.ss")