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merge

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This commit is contained in:
Aditya Gupta
2026-06-28 08:51:25 +05:30
parent 671cf7f818
commit 190f337f12
34 changed files with 650 additions and 648 deletions
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55
lib/rollback.sh
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@@ -8,11 +8,11 @@ _LIB_ROLLBACK_SOURCED=1
BOOTSTRAP_STATE_DIR="$HOME/.local/state/bootstrap"
BOOTSTRAP_HISTORY_LOG="$BOOTSTRAP_STATE_DIR/history.log"
BOOTSTRAP_UNINSTALLERS_DIR="$BOOTSTRAP_STATE_DIR/uninstallers"
BOOTSTRAP_PACKAGES_DIR="$BOOTSTRAP_STATE_DIR/packages"
init_rollback_system() {
mkdir -p "$BOOTSTRAP_UNINSTALLERS_DIR"
mkdir -p "$BOOTSTRAP_PACKAGES_DIR"
touch "$BOOTSTRAP_HISTORY_LOG"
}
@@ -51,6 +51,13 @@ track_dir() {
create_savepoint() {
local name="$1"
# Prevent savepoints from having the same name as a tool
if [ -n "${INSTALLERS[$name]:-}" ]; then
log_error "Cannot create savepoint named '$name' because it conflicts with a tool name."
return 1
fi
echo "SAVEPOINT: $name" >> "$BOOTSTRAP_HISTORY_LOG"
log_success "Savepoint '$name' created."
}
@@ -84,6 +91,41 @@ execute_rollback() {
log_success "Rollback of '$tool' complete."
}
uninstall_tool() {
local tool="$1"
# 1. Execute the rollback manifest to remove files/dirs/env/aliases
execute_rollback "$tool"
# 2. Reference counting and cleanup of system dependencies
local registry_file="$BOOTSTRAP_STATE_DIR/registry.json"
if [ -f "$registry_file" ] && jq -e --arg tool "$tool" '.tools | has($tool)' "$registry_file" >/dev/null; then
while IFS= read -r dep; do
[ -z "$dep" ] && continue
local other_users
other_users=$(jq -r --arg tool "$tool" --arg dep "$dep" '
.tools | to_entries | map(select(.key != $tool and (.value.system_dependencies | type == "array") and (.value.system_dependencies | index($dep)))) | length
' "$registry_file")
if [ "$other_users" -eq 0 ]; then
log_info "System dependency '$dep' is no longer required by any registered tool. Removing..."
pkg_remove "$dep"
else
log_info "Keeping system dependency '$dep' (required by other tools)"
fi
done < <(registry_get_sys_deps "$tool")
# Remove from registry
registry_remove_tool "$tool"
fi
# 3. Remove the tool from history.log
if [ -f "$BOOTSTRAP_HISTORY_LOG" ]; then
sed -i "/^INSTALL: ${tool}$/d" "$BOOTSTRAP_HISTORY_LOG"
fi
}
rollback_bare() {
if [ ! -s "$BOOTSTRAP_HISTORY_LOG" ]; then
log_info "No history available to rollback."
@@ -95,9 +137,7 @@ rollback_bare() {
if [[ "$last_line" == INSTALL:* ]]; then
local tool="${last_line#INSTALL: }"
execute_rollback "$tool"
# Remove the last line efficiently
sed -i '$ d' "$BOOTSTRAP_HISTORY_LOG"
uninstall_tool "$tool"
elif [[ "$last_line" == SAVEPOINT:* ]]; then
local sp="${last_line#SAVEPOINT: }"
log_warn "Last action was savepoint '$sp'. Cannot bare-rollback a savepoint."
@@ -122,8 +162,7 @@ rollback_to_savepoint() {
break
elif [[ "$last_line" == INSTALL:* ]]; then
local tool="${last_line#INSTALL: }"
execute_rollback "$tool"
sed -i '$ d' "$BOOTSTRAP_HISTORY_LOG"
uninstall_tool "$tool"
elif [[ "$last_line" == SAVEPOINT:* ]]; then
local sp="${last_line#SAVEPOINT: }"
log_info "Removing intermediate savepoint '$sp'..."
@@ -135,4 +174,4 @@ rollback_to_savepoint() {
done
}
export -f init_rollback_system setup_uninstaller_context add_rollback_cmd track_file track_dir create_savepoint mark_install_success execute_rollback rollback_bare rollback_to_savepoint
export -f init_rollback_system setup_uninstaller_context add_rollback_cmd track_file track_dir create_savepoint mark_install_success execute_rollback uninstall_tool rollback_bare rollback_to_savepoint