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fix unbound variable in post_push
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@@ -12,7 +12,7 @@ function get_hub_version() {
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split=( ${hub_xyz//./ } )
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split=( ${hub_xyz//./ } )
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hub_xy="${split[0]}.${split[1]}"
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hub_xy="${split[0]}.${split[1]}"
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# add .dev on hub_xy so it's 1.0.dev
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# add .dev on hub_xy so it's 1.0.dev
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if [[ ! -z "${split[3]}" ]]; then
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if [[ ! -z "${split[3]:-}" ]]; then
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hub_xy="${hub_xy}.${split[3]}"
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hub_xy="${hub_xy}.${split[3]}"
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fi
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fi
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}
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}
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