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Preserve ExtensionFS data during Blueprint upgrades #234

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89 changes: 86 additions & 3 deletions scripts/commands/advanced/upgrade.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -12,7 +12,7 @@ Command() {
update_choice=""

# Initial steps count for progress bar
export PROGRESS_TOTAL=7
export PROGRESS_TOTAL=9
export PROGRESS_NOW=0

# Make sure the script is in $FOLDER
Expand All @@ -23,7 +23,7 @@ Command() {
export remote_branch
export fetched_version

local update_fail
local update_fail extension identifier directory backup_directory

if [[ -d '.update' ]]; then
PRINT WARNING ".update already exists! Replacing it."
Expand Down Expand Up @@ -140,6 +140,39 @@ Command() {

((PROGRESS_NOW++))

# Back up extension filesystems before replacing .blueprint.
PRINT INFO "Backing up extension filesystems.."
mkdir -p .update/backup/extensionfs .update/backup/storage
for extension in .blueprint/extensions/*; do
if [[ ! -d $extension || $extension == .blueprint/extensions/blueprint ]]; then continue; fi
identifier="${extension##*/}"

if [[ -d $extension/fs || -e $extension/private || -L $extension/private ]]; then
mkdir -p ".update/backup/extensionfs/$identifier"
for directory in fs private; do
if [[ -e $extension/$directory || -L $extension/$directory ]] \
&& ! cp -a "$extension/$directory" ".update/backup/extensionfs/$identifier/"; then
PRINT FATAL "Could not back up $extension/$directory. Upgrade cancelled."
cleanup 1
fi
done
fi
done

if ! cp -a .blueprint/extensions/blueprint/private/db/installed_extensions \
.update/backup/extensionfs/installed_extensions; then
PRINT FATAL "Could not back up the installed extensions list. Upgrade cancelled."
cleanup 1
fi
for directory in storage/extensions storage/.extensions; do
if [[ -d $directory ]] && ! cp -a "$directory" .update/backup/storage/; then
PRINT FATAL "Could not back up $directory. Upgrade cancelled."
cleanup 1
fi
done

((PROGRESS_NOW++))

# Delete files
PRINT INFO "Deleting files.."
rm -rf .blueprint
Expand Down Expand Up @@ -174,8 +207,55 @@ Command() {
PRINT INFO "Running final install script.."
chmod +x blueprint.sh
mv blueprint .blueprint
PRINT INFO "Restoring extension filesystems.."
for extension in .update/backup/extensionfs/*; do
if [[ ! -d $extension/fs ]]; then continue; fi
identifier="${extension##*/}"
if ! mkdir -p ".blueprint/extensions/$identifier" \
|| ! cp -a "$extension/fs" ".blueprint/extensions/$identifier/"; then
PRINT FATAL "Could not restore ExtensionFS for '$identifier'. Backup retained in .update/backup."
hide_progress
exit 1
fi
done

for directory in storage/extensions storage/.extensions; do
if [[ -d .update/backup/$directory ]]; then
if ! mkdir -p "$directory" || ! cp -a ".update/backup/$directory/." "$directory/"; then
PRINT FATAL "Could not restore $directory. Backup retained in .update/backup."
hide_progress
exit 1
fi
fi
done

# Keep private data in storage after .update is removed.
backup_directory="storage/.blueprint/extension-backups/$(date +%Y%m%d%H%M%S)-$$"
if ! mkdir -p "$backup_directory" \
|| ! cp -a .update/backup/extensionfs/installed_extensions "$backup_directory/"; then
PRINT FATAL "Could not archive extension data. Backup retained in .update/backup."
hide_progress
exit 1
fi
for extension in .update/backup/extensionfs/*; do
if [[ ! -e $extension/private && ! -L $extension/private ]]; then continue; fi
identifier="${extension##*/}"
if ! mkdir -p "$backup_directory/$identifier" \
|| ! cp -a "$extension/private" "$backup_directory/$identifier/"; then
PRINT FATAL "Could not archive private data for '$identifier'. Backup retained in .update/backup."
hide_progress
exit 1
fi
done

((PROGRESS_NOW++))

hide_progress
BLUEPRINT_ENVIRONMENT="upgrade2" PROGRESS_NOW="$PROGRESS_NOW" PROGRESS_TOTAL="$PROGRESS_TOTAL" bash blueprint.sh
if ! BLUEPRINT_ENVIRONMENT="upgrade2" PROGRESS_NOW="$PROGRESS_NOW" PROGRESS_TOTAL="$PROGRESS_TOTAL" bash blueprint.sh; then
PRINT FATAL "Final install failed. Extension data backup retained in .update/backup and $backup_directory."
hide_progress
exit 1
fi

((PROGRESS_NOW++))

Expand All @@ -187,6 +267,9 @@ Command() {
hide_progress
exit 1
fi
if [[ -s $backup_directory/installed_extensions ]]; then
PRINT WARNING "Extensions must be reinstalled. Private data backup: $FOLDER/$backup_directory"
fi
PRINT SUCCESS "Update finished!"
hide_progress
exit 0
Expand Down
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