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#!/usr/bin/bash
set -euo pipefail
root="${AEROCORE_DECK_COMPAT_ROOT:-}"
root="${root%/}"
target_path() {
printf '%s%s\n' "$root" "$1"
}
patch_condition() {
local file="$1"
local old_condition="$2"
local new_condition="$3"
local expected_count="$4"
local old_count new_count patched_file
if [[ ! -f "$file" ]]; then
echo "Unable to locate expected Bazzite Deck file: $file" >&2
exit 1
fi
new_count="$(grep -Foc "$new_condition" "$file" || true)"
if [[ "$new_count" -eq "$expected_count" ]]; then
return 0
fi
old_count="$(grep -Foc "$old_condition" "$file" || true)"
if [[ "$old_count" -ne "$expected_count" ]]; then
echo "Unable to locate the expected Bazzite Deck image check in $file" >&2
echo "Expected $expected_count occurrence(s), found old=$old_count new=$new_count" >&2
exit 1
fi
patched_file="$(mktemp)"
awk \
-v old_condition="$old_condition" \
-v new_condition="$new_condition" \
' {
position = index($0, old_condition)
if (position) {
$0 = substr($0, 1, position - 1) new_condition substr($0, position + length(old_condition))
}
print
}' "$file" > "$patched_file"
cp "$patched_file" "$file"
rm -f "$patched_file"
new_count="$(grep -Foc "$new_condition" "$file" || true)"
if [[ "$new_count" -ne "$expected_count" ]]; then
echo "Failed to patch the Bazzite Deck image check in $file" >&2
exit 1
fi
}
patch_steam_state_migration() {
local file="$1"
# shellcheck disable=SC2016
local condition='if [[ $IMAGE_NAME =~ "deck" || $IMAGE_NAME == aerocore-os ]]; then'
local marker='AeroCore Steam state migration'
local patched_file
if [[ ! -f "$file" ]]; then
echo "Unable to locate expected Bazzite Deck file: $file" >&2
exit 1
fi
if grep -Fq "$marker" "$file"; then
return 0
fi
if [[ "$(grep -Foc "$condition" "$file" || true)" -ne 1 ]]; then
echo "Unable to locate the AeroCore Steam bootstrap condition in $file" >&2
exit 1
fi
patched_file="$(mktemp)"
awk -v condition="$condition" '
!inserted && $0 == condition {
print
print " # AeroCore Steam state migration"
print " # Older AeroCore images could leave ~/.steam/steam as a directory."
print " # Preserve it before restoring the symlink expected by Steam."
print " STEAM_DATA_HOME=\"$HOME/.local/share/Steam\""
print " STEAM_DATA_LINK=\"$HOME/.steam/steam\""
print " if [[ -d \"$STEAM_DATA_LINK\" && ! -L \"$STEAM_DATA_LINK\" && -x \"$STEAM_DATA_HOME/steam.sh\" ]]; then"
print " STEAM_DATA_BACKUP=\"${STEAM_DATA_LINK}.aerocore-backup-$(date +%s)-$$\""
print " STEAM_DATA_TEMP=\"${STEAM_DATA_LINK}.aerocore-link-$$\""
print " if ln -s \"$STEAM_DATA_HOME\" \"$STEAM_DATA_TEMP\" && mv -- \"$STEAM_DATA_LINK\" \"$STEAM_DATA_BACKUP\" && mv -- \"$STEAM_DATA_TEMP\" \"$STEAM_DATA_LINK\"; then"
print " :"
print " else"
print " rm -f -- \"$STEAM_DATA_TEMP\""
print " fi"
print " fi"
inserted=1
next
}
{ print }
END { if (!inserted) exit 1 }
' "$file" > "$patched_file"
cp "$patched_file" "$file"
rm -f "$patched_file"
if ! grep -Fq "$marker" "$file"; then
echo "Failed to add the AeroCore Steam state migration to $file" >&2
exit 1
fi
}
patch_desktop_branding_migration() {
local file="$1"
local marker='AeroCore desktop branding migration'
local condition='pkexec /usr/libexec/bazzite-privileged-user-setup "$USER"'
local patched_file
if [[ ! -f "$file" ]]; then
echo "Unable to locate expected Bazzite user setup file: $file" >&2
exit 1
fi
if grep -Fq "$marker" "$file"; then
return 0
fi
if [[ "$(grep -Foc "$condition" "$file" || true)" -ne 1 ]]; then
echo "Unable to locate the Bazzite privileged user setup call in $file" >&2
exit 1
fi
patched_file="$(mktemp)"
awk -v condition="$condition" '
!inserted && $0 == condition {
print
print ""
print " # AeroCore desktop branding migration"
print " # The image contains the correct defaults. This only repairs values"
print " # persisted by an older Bazzite/AeroCore deployment."
print " if [[ -f /etc/xdg/kcm-about-distrorc ]] && grep -Fxq \"Name=Bazzite\" /etc/xdg/kcm-about-distrorc; then"
print " pkexec /usr/libexec/aerocore-desktop-branding-privileged"
print " fi"
print " /usr/libexec/aerocore-desktop-branding"
inserted=1
next
}
{ print }
END { if (!inserted) exit 1 }
' "$file" > "$patched_file"
cp "$patched_file" "$file"
rm -f "$patched_file"
if ! grep -Fq "$marker" "$file"; then
echo "Failed to add the AeroCore desktop branding migration to $file" >&2
exit 1
fi
}
# Keep AeroCore's public image-name, while restoring the Deck capability checks
# used by Bazzite's runtime scripts. These are literal source lines; variable
# expansion must happen later, when the scripts run on the installed system.
# shellcheck disable=SC2016
patch_condition \
"${1:-$(target_path /usr/libexec/bazzite-hardware-setup)}" \
'if [[ "$IMAGE_NAME" != *deck* && "$IMAGE_NAME" != *dx* ]]; then' \
'if [[ "$IMAGE_NAME" != aerocore-os && "$IMAGE_NAME" != *deck* && "$IMAGE_NAME" != *dx* ]]; then' \
1
# The hardware setup has a second Deck-only block after the top-level image
# guard. Keep it active for AeroCore as well.
# shellcheck disable=SC2016
patch_condition \
"${1:-$(target_path /usr/libexec/bazzite-hardware-setup)}" \
'if [[ $IMAGE_NAME =~ "deck" ]]; then' \
'if [[ $IMAGE_NAME =~ "deck" || $IMAGE_NAME == aerocore-os ]]; then' \
1
# bazzite-steam gates the Steam bootstrap archive and -steamdeck flag on the
# image name. The user setup script has the same Deck-only gating in three
# places.
# shellcheck disable=SC2016
patch_condition \
"$(target_path /usr/bin/bazzite-steam)" \
'if [[ $IMAGE_NAME =~ "deck" ]]; then' \
'if [[ $IMAGE_NAME =~ "deck" || $IMAGE_NAME == aerocore-os ]]; then' \
1
patch_steam_state_migration "$(target_path /usr/bin/bazzite-steam)"
# shellcheck disable=SC2016
patch_condition \
"$(target_path /usr/libexec/bazzite-user-setup)" \
'if [[ $IMAGE_NAME =~ "deck" ]]; then' \
'if [[ $IMAGE_NAME =~ "deck" || $IMAGE_NAME == aerocore-os ]]; then' \
3
patch_desktop_branding_migration "$(target_path /usr/libexec/bazzite-user-setup)"
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