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@@ -4,6 +4,23 @@ img="prololive.img"
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4
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4
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img_tmp="${img}.tmp"
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5
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5
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img_url="http://srv.ordiclic.eu/prololive.img"
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6
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6
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7
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+if [ ! -f "${img}" ]
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8
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+then
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9
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+ local_size=0
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10
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+ remote_size=1
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11
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+else
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12
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+ remote_size=$(curl -s --head "${img_url}" | grep Content-Length | grep -oE [0-9]+)
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13
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+ local_size=$(stat --printf="%s" "${img}")
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14
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+fi
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15
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+
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16
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+if [ "${local_size}" -eq "${remote_size}" ]
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17
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+then
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18
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+ echo "Remote image is probably the same"
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19
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+ exit
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20
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+fi
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21
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+
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22
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+rm -f "${img}"
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23
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+
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7
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24
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wget "${img_url}" -O "${img_tmp}" || {
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8
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25
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rm "${img_tmp}"
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9
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26
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echo "Failed to download image" >&2
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