fix: exec supports 'cat SRC > DEST' copy form (#13) - #14
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The exec interpreter mirrors chant's in-process sprites-fake.ts, but the fake gained a 'cat SRC > DEST' copy form (chant #848) that spritzer lacked. An Op that stages a file, runs 'cat /src > /out' to process it, then reads /out worked against the fake but failed against spritzer (/out never written) — breaking chant's sprites-agent-task example and blocking the build-sandbox tutorial (#869). Add reCatRedirect (copy FS[src] -> FS[dest]) ahead of the plain cat form, matching the fake exactly. Table test covers it. build/vet/test/gofmt clean.
lex00
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Jul 14, 2026
…-task) (#869) (#876) * docs: Disposable Build Sandbox tutorial + spritzer 0.4.1 (fixes agent-task) (#869) Adds examples/sprites-build-sandbox + tutorials/sprites-build-sandbox.mdx — a disposable build box on a Sprite: warm a toolchain, checkpoint it (the prepared pool), stage source, build, collect the artifact, reset to the checkpoint, destroy. Registered in the Fly tutorials sidebar group; compile test included. Also fixes a latent bug from #848: the 'cat SRC > DEST' exec copy form was added only to the in-process fake, not spritzer's Go interpreter, so sprites-agent-task was broken against real spritzer (Run wrote nothing, Collect failed). Fixed in spritzer 0.4.1 (INTENTIUS/spritzer#14, closes spritzer#13); this bumps SPRITZER_IMAGE to 0.4.1 and the docker-run in the managed-agent-worker tutorial. Verified against ghcr.io/intentius/spritzer:0.4.1: build-sandbox runs green 8/8 phases, AND sprites-agent-task now completes (Collect succeeds). Docs build clean; compile tests pass. * fly-reconcile: rename op to "fly-reconcile" (unique across examples) The op was named "fly", colliding with local-fly's flyDeploy op (also "fly") — discoverOps() reported a duplicate-name error and discover.test went red on main (introduced in #868). Rename to "fly-reconcile" (unique; "reconcile" is taken by getting-started). Updates the run commands in the tutorial + README + the compile test. Verified: discover.test green, compile tests pass, docs build clean.
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Closes #13.
The exec interpreter is meant to mirror chant's in-process
sprites-fake.tsexactly, but the fake gained acat SRC > DESTcopy form (chant #848) that spritzer lacked. So an Op that stages a file, runscat /src > /out, then reads/outworks against the fake but fails against spritzer —/outis never written.This broke the shipped
sprites-agent-taskexample against real spritzer (its Run phase iscat /work/input > /work/output) and blocked the build-sandbox tutorial (chant #869).Add
reCatRedirect(copyFS[src] → FS[dest]) ahead of the plaincatform, matching the fake. Table test covers it.go build/vet/test/gofmtclean.Release 0.4.1 → chant bumps
SPRITZER_IMAGEand both examples run green offline.