marfrit
445937a4af
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45 lines
1.5 KiB
Bash
45 lines
1.5 KiB
Bash
#!/bin/sh
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# Add / update / remove the linux-fresnel-fourier entry in /boot/extlinux/extlinux.conf
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# Idempotent. Coexists with the existing linux-eos-arm entry; never edits it.
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set -eu
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CONF="/boot/extlinux/extlinux.conf"
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TAG_BEGIN="# >>> linux-fresnel-fourier (managed) >>>"
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TAG_END="# <<< linux-fresnel-fourier (managed) <<<"
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# What the entry should look like. APPEND copied from the existing
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# linux-eos-arm entry where possible; otherwise sane PBP default.
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EOS_APPEND=$(awk '/^[[:space:]]*APPEND/{print substr($0,index($0,"APPEND")+7); exit}' "$CONF" 2>/dev/null || true)
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APPEND="${EOS_APPEND:-console=ttyS2,1500000 root=PARTLABEL=root rw rootwait}"
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ENTRY=$(cat <<EOF
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${TAG_BEGIN}
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LABEL fresnel-fourier
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MENU LABEL fresnel-fourier OC kernel ($(uname -m))
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LINUX /Image-fresnel-fourier
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INITRD /initramfs-fresnel-fourier.img
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FDT /dtbs-fresnel-fourier/rockchip/rk3399-pinebook-pro.dtb
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APPEND ${APPEND}
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${TAG_END}
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EOF
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)
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# Strip any prior managed block first, then append fresh
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TMP=$(mktemp)
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awk -v b="$TAG_BEGIN" -v e="$TAG_END" '
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$0==b{skip=1; next}
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$0==e{skip=0; next}
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!skip{print}
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' "$CONF" > "$TMP"
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# If the kernel files no longer exist (post-Remove), don't re-add the entry.
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if [ -f "/boot/Image-fresnel-fourier" ] && [ -f "/boot/dtbs-fresnel-fourier/rockchip/rk3399-pinebook-pro.dtb" ]; then
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printf '%s\n' "$ENTRY" >> "$TMP"
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echo "linux-fresnel-fourier: extlinux entry updated"
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else
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echo "linux-fresnel-fourier: kernel files absent, entry removed"
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fi
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mv "$TMP" "$CONF"
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