50 lines
1.7 KiB
Bash
Executable file
50 lines
1.7 KiB
Bash
Executable file
#!/bin/sh
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# Enable 'splash' only on UEFI desktop installs, and only if Plymouth is present.
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# Runs before 10update-initramfs, so we only call update-grub here.
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#
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set -e
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# UEFI only
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[ -d /sys/firmware/efi ] || exit 0
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# Check for desktop environmtn task selected
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SELECTION="$(debconf-get tasksel/first 2>/dev/null || true)"
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echo "$SELECTION" | grep -Eq '\b(trisquel-(desktop|gnome|mini)|triskel)\b' || exit 0
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# Check for plymouth installed in target
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in-target dpkg -s plymouth >/dev/null 2>&1 || exit 0
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# Debconf-first approach inside target; fallback to minimal edit if needed.
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in-target sh -s <<'INCHROOT'
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set -e
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. /usr/share/debconf/confmodule
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# Read current value; default to "quiet" if empty
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db_get grub2/linux_cmdline_default || true
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CURRENT_CMDLINE="${RET:-quiet}"
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# If 'splash' already present, nothing to do
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echo "$CURRENT_CMDLINE" | grep -qw splash && exit 0
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# Set debconf value to include splash
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db_set grub2/linux_cmdline_default "$CURRENT_CMDLINE splash" || true
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# Reconfigure grub2-common (may or may not rewrite the conffile in d-i flows)
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dpkg-reconfigure -f noninteractive grub2-common || true
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# Fallback: minimally ensure GRUB_CMDLINE_LINUX_DEFAULT contains 'splash'
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CFG="/etc/default/grub"
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if ! grep -q '^GRUB_CMDLINE_LINUX_DEFAULT=' "$CFG"; then
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printf 'GRUB_CMDLINE_LINUX_DEFAULT="%s"\n' "quiet splash" >> "$CFG"
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else
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GRUB_CMDLINE_VALUE="$(sed -n 's/^GRUB_CMDLINE_LINUX_DEFAULT="\{0,1\}\(.*\)"\{0,1\}$/\1/p' "$CFG" | head -n1)"
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echo "$GRUB_CMDLINE_VALUE" | grep -qw splash || \
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sed -i -E 's|^(GRUB_CMDLINE_LINUX_DEFAULT="[^"]*)(".*)?$|\1 splash"\2|; t; s|^(GRUB_CMDLINE_LINUX_DEFAULT=)(.*)$|\1"quiet splash"|' "$CFG"
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fi
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# Regenerate grub.cfg now; initramfs will be refreshed by 10update-initramfs next
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update-grub || true
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INCHROOT
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exit 0
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