From c2d900ec74e03e9c782cfe7b7ce06ff62cda6601 Mon Sep 17 00:00:00 2001
From: Ophestra <cat@gensokyo.uk>
Date: Sat, 29 Aug 2026 18:58:06 +0900
Subject: pkg: move from internal

Closes #43.

Signed-off-by: Ophestra <cat@gensokyo.uk>
---
 internal/pkg/file.go | 100 ---------------------------------------------------
 1 file changed, 100 deletions(-)
 delete mode 100644 internal/pkg/file.go

(limited to 'internal/pkg/file.go')

diff --git a/internal/pkg/file.go b/internal/pkg/file.go
deleted file mode 100644
index 14467153..00000000
--- a/internal/pkg/file.go
+++ /dev/null
@@ -1,100 +0,0 @@
-package pkg
-
-import (
-	"bytes"
-	"crypto/sha512"
-	"fmt"
-	"io"
-)
-
-// A fileArtifact is an [Artifact] that cures into data known ahead of time.
-type fileArtifact []byte
-
-var _ KnownChecksum = new(fileArtifact)
-var _ CuresExempt = new(fileArtifact)
-var _ RevisionArtifact = new(fileArtifact)
-
-// fileArtifactNamed embeds fileArtifact alongside a caller-supplied name.
-type fileArtifactNamed struct {
-	fileArtifact
-	// Caller-supplied user-facing reporting name.
-	name string
-}
-
-var _ fmt.Stringer = new(fileArtifactNamed)
-var _ KnownChecksum = new(fileArtifactNamed)
-
-// String returns the caller-supplied reporting name.
-func (a *fileArtifactNamed) String() string { return a.name }
-
-// Params writes the caller-supplied reporting name and the file body.
-func (a *fileArtifactNamed) Params(ctx *IContext) {
-	ctx.WriteString(a.name)
-	ctx.Write(a.fileArtifact)
-}
-
-// NewFile returns a [FileArtifact] that cures into a caller-supplied byte slice.
-//
-// Caller must not modify data after NewFile returns.
-func NewFile(name string, data []byte) FileArtifact {
-	f := fileArtifact(data)
-	if name != "" {
-		return &fileArtifactNamed{f, name}
-	}
-	return &f
-}
-
-// Kind returns the hardcoded [Kind] constant.
-func (*fileArtifact) Kind() Kind { return KindFile }
-
-// Params writes an empty string and the file body.
-func (a *fileArtifact) Params(ctx *IContext) {
-	ctx.WriteString("")
-	ctx.Write(*a)
-}
-
-func init() {
-	register(KindFile, func(r *IRReader) Artifact {
-		name := r.ReadString()
-		data := r.ReadStringBytes()
-		if _, ok := r.Finalise(); !ok {
-			panic(ErrExpectedChecksum)
-		}
-		return NewFile(name, data)
-	})
-}
-
-// Inputs returns a nil slice.
-func (*fileArtifact) Inputs() []Artifact { return nil }
-
-// IsExclusive returns false: Cure returns a prepopulated buffer.
-func (*fileArtifact) IsExclusive() bool { return false }
-
-// Checksum computes and returns the checksum of caller-supplied data.
-func (a *fileArtifact) Checksum() Checksum {
-	h := sha512.New384()
-	h.Write(*a)
-	return Checksum(h.Sum(nil))
-}
-
-// Revision satisfies [RevisionArtifact] for incompatible IsExecutable behaviour.
-func (*fileArtifact) Revision() uint64 { return 0 }
-
-// IsExecutable returns whether the contents begin with shebang or the ELF
-// magic number.
-func (a *fileArtifact) IsExecutable() bool {
-	return a != nil &&
-		(bytes.HasPrefix(
-			*a, []byte{'#', '!'},
-		) || bytes.HasPrefix(
-			*a, []byte{0x7f, 'E', 'L', 'F'},
-		))
-}
-
-// Cure returns the caller-supplied data.
-func (a *fileArtifact) Cure(*RContext) (io.ReadCloser, error) {
-	return io.NopCloser(bytes.NewReader(*a)), nil
-}
-
-// CuresExempt exempts the cheap [KindFile] implementation.
-func (*fileArtifact) CuresExempt() {}
-- 
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