mirror of
https://github.com/BigfootACA/arch-image-builder.git
synced 2024-11-11 09:57:53 +08:00
28 lines
895 B
Python
28 lines
895 B
Python
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import os
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from logging import getLogger
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from builder.disk.content import ImageContentBuilder
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from builder.lib.config import ArchBuilderConfigError
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log = getLogger(__name__)
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class ImageFileBuilder(ImageContentBuilder):
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def build(self):
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cmds = ["dd"]
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ctx = self.builder.ctx
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cfg = self.builder.config
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if "file" not in cfg:
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raise ArchBuilderConfigError("file not set")
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file: str = cfg["file"]
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if file.startswith("/"): file = file[1:]
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path = os.path.join(ctx.get_rootfs(), file)
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if not os.path.exists(path):
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raise FileNotFoundError(f"image file {path} not found")
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cmds.append("status=progress")
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cmds.append(f"if={path}")
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cmds.append(f"of={self.builder.device}")
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cmds.append(f"bs={self.builder.sector}")
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log.info(f"start writing image file {path}")
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ret = ctx.run_external(cmds)
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if ret != 0: raise OSError("dd failed")
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log.info(f"write image file {path} done")
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