[bugfix] Fix remote media pruning failing if media already gone (#548)

* fix error check of prune to allow missing files

* update go-store library, add test for pruning item with db entry but no file

Signed-off-by: kim <grufwub@gmail.com>

* remove now-unneccessary error check

Signed-off-by: kim <grufwub@gmail.com>

Co-authored-by: kim <grufwub@gmail.com>

vendor/codeberg.org/gruf/go-byteutil/buffer.go

@@ -0,0 +1,129 @@
+package byteutil
+
+import (
+	"errors"
+	"io"
+	"unicode/utf8"
+)
+
+var (
+	// ensure we conform to interfaces.
+	_ interface {
+		io.Writer
+		io.ByteWriter
+		WriteRune(rune) (int, error)
+		io.StringWriter
+		io.WriterAt
+		WriteStringAt(string, int64) (int, error)
+	} = (*Buffer)(nil)
+
+	// ErrBeyondBufferLen is returned if .WriteAt() is attempted beyond buffer length.
+	ErrBeyondBufferLen = errors.New("start beyond buffer length")
+)
+
+// Buffer is a simple wrapper around a byte slice.
+type Buffer struct{ B []byte }
+
+// WriteByte will append given byte to buffer, fulfilling io.ByteWriter.
+func (buf *Buffer) WriteByte(c byte) error {
+	buf.B = append(buf.B, c)
+	return nil
+}
+
+// WriteRune will append given rune to buffer.
+func (buf *Buffer) WriteRune(r rune) (int, error) {
+	// Check for single-byte rune
+	if r < utf8.RuneSelf {
+		buf.B = append(buf.B, byte(r))
+		return 1, nil
+	}
+
+	// Before-len
+	l := len(buf.B)
+
+	// Grow to max size rune
+	buf.Grow(utf8.UTFMax)
+
+	// Write encoded rune to buffer
+	n := utf8.EncodeRune(buf.B[l:len(buf.B)], r)
+	buf.B = buf.B[:l+n]
+
+	return n, nil
+}
+
+// Write will append given byte slice to buffer, fulfilling io.Writer.
+func (buf *Buffer) Write(b []byte) (int, error) {
+	buf.B = append(buf.B, b...)
+	return len(b), nil
+}
+
+// WriteString will append given string to buffer, fulfilling io.StringWriter.
+func (buf *Buffer) WriteString(s string) (int, error) {
+	buf.B = append(buf.B, s...)
+	return len(s), nil
+}
+
+// WriteAt will append given byte slice to buffer at index 'start', fulfilling io.WriterAt.
+func (buf *Buffer) WriteAt(b []byte, start int64) (int, error) {
+	if start > int64(len(buf.B)) {
+		return 0, ErrBeyondBufferLen
+	}
+	buf.Grow(len(b) - int(int64(len(buf.B))-start))
+	return copy(buf.B[start:], b), nil
+}
+
+// WriteStringAt will append given string to buffer at index 'start'.
+func (buf *Buffer) WriteStringAt(s string, start int64) (int, error) {
+	if start > int64(len(buf.B)) {
+		return 0, ErrBeyondBufferLen
+	}
+	buf.Grow(len(s) - int(int64(len(buf.B))-start))
+	return copy(buf.B[start:], s), nil
+}
+
+// Len returns the length of the buffer's underlying byte slice.
+func (buf *Buffer) Len() int {
+	return len(buf.B)
+}
+
+// Cap returns the capacity of the buffer's underlying byte slice.
+func (buf *Buffer) Cap() int {
+	return cap(buf.B)
+}
+
+// Grow will increase the buffers length by 'sz', and the capacity by at least this.
+func (buf *Buffer) Grow(sz int) {
+	buf.Guarantee(sz)
+	buf.B = buf.B[:len(buf.B)+sz]
+}
+
+// Guarantee will guarantee buffer containers at least 'sz' remaining capacity.
+func (buf *Buffer) Guarantee(sz int) {
+	if sz > cap(buf.B)-len(buf.B) {
+		nb := make([]byte, 2*cap(buf.B)+sz)
+		copy(nb, buf.B)
+		buf.B = nb[:len(buf.B)]
+	}
+}
+
+// Truncate will reduce the length of the buffer by 'n'.
+func (buf *Buffer) Truncate(n int) {
+	if n > len(buf.B) {
+		n = len(buf.B)
+	}
+	buf.B = buf.B[:len(buf.B)-n]
+}
+
+// Reset will reset the buffer length to 0 (retains capacity).
+func (buf *Buffer) Reset() {
+	buf.B = buf.B[:0]
+}
+
+// String returns the underlying byte slice as a string. Please note
+// this value is tied directly to the underlying byte slice, if you
+// write to the buffer then returned string values will also change.
+//
+// To get an immutable string from buffered data, use string(buf.B).
+func (buf *Buffer) String() string {
+	return B2S(buf.B)
+}