3923a7d3f8
This got... long... and complicated. But I think it's a really good demonstration of getting redo to do complicated things elegantly. At least, I hope it is.
25 lines
524 B
Text
25 lines
524 B
Text
exec >&2
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# We can pull in the 'hello' binary built in an earlier
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# example. Notice that it's safe to have dependencies
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# that cross directory boundaries, even when we're building
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# both of those directories in parallel.
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FILES="
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/bin/sh
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../hello/hello
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"
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if [ -x /bin/busybox ]; then
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# Optional, except for runkvm
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FILES="$FILES /bin/busybox"
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else
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redo-ifcreate /bin/busybox
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fi
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redo-ifchange $FILES
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fs=${1%.fs}
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rm -rf "$fs"
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mkdir -p "$fs/bin"
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cp $FILES "$fs/bin/"
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ln -s bin/hello "$fs/init"
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redo-ifchange "$fs/bin/sh"
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