52 lines
1.4 KiB
Bash
52 lines
1.4 KiB
Bash
#!/usr/bin/env bash
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set -Eeuo pipefail
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# Check if running with interactive TTY or redirected to docker log
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if [ -t 1 ]; then
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PROGRESS="--progress=bar:noscroll"
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else
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PROGRESS="--progress=dot:giga"
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fi
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BASE=$(find "$STORAGE" -maxdepth 1 -type f -iname boot.iso -printf "%f\n" | head -n 1)
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[ -z "$BASE" ] && BASE=$(find "$STORAGE" -maxdepth 1 -type f -iname boot.img -printf "%f\n" | head -n 1)
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[ -f "$STORAGE/$BASE" ] && return 0
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if [ -z "$BOOT" ]; then
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error "No boot disk specified, set BOOT= to the URL of an ISO file." && exit 64
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fi
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BASE=$(basename "$BOOT")
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[ -f "$STORAGE/$BASE" ] && return 0
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BASE=$(basename "${BOOT%%\?*}")
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: "${BASE//+/ }"; printf -v BASE '%b' "${_//%/\\x}"
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BASE=$(echo "$BASE" | sed -e 's/[^A-Za-z0-9._-]/_/g')
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[ -f "$STORAGE/$BASE" ] && return 0
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TMP="$STORAGE/${BASE%.*}.tmp"
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rm -f "$TMP"
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MSG="Downloading $BASE..."
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info "$MSG" && html "$MSG"
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/run/progress.sh "$TMP" "Downloading $BASE ([P])..." &
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{ wget "$BOOT" -O "$TMP" -q --no-check-certificate --show-progress "$PROGRESS"; rc=$?; } || :
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fKill "progress.sh"
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(( rc != 0 )) && error "Failed to download $BOOT , reason: $rc" && exit 60
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[ ! -s "$TMP" ] && error "Failed to download $BOOT" && exit 61
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html "Download finished successfully..."
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SIZE=$(stat -c%s "$TMP")
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if ((SIZE<100000)); then
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error "Invalid ISO file: Size is smaller than 100 KB" && exit 62
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fi
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mv -f "$TMP" "$STORAGE/$BASE"
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return 0
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