80 lines
1.8 KiB
Rust
80 lines
1.8 KiB
Rust
use std::rc::Rc;
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use anyhow::Result;
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use crate::backend::Backend;
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use crate::{Group, Package};
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#[derive(Debug)]
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pub(super) struct Strategy {
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backend: Box<dyn Backend>,
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delete: Vec<Package>,
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as_dependency: Vec<Package>,
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assign_group: Vec<(Package, Rc<Group>)>,
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}
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impl Strategy {
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pub(super) fn new(
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backend: Box<dyn Backend>,
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delete: Vec<Package>,
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as_dependency: Vec<Package>,
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assign_group: Vec<(Package, Rc<Group>)>,
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) -> Self {
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Self {
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backend,
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delete,
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as_dependency,
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assign_group,
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}
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}
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pub(super) fn execute(self) -> Result<()> {
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if !self.delete.is_empty() {
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self.backend.remove_packages(&self.delete)?;
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}
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if !self.as_dependency.is_empty() {
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self.backend.make_dependency(&self.as_dependency)?;
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}
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if !self.assign_group.is_empty() {
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self.backend.assign_group(self.assign_group);
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}
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Ok(())
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}
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pub(super) fn show(&self) {
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if self.nothing_to_do() {
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return;
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}
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println!("[{}]", self.backend.get_section());
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if !self.delete.is_empty() {
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println!("delete:");
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for p in &self.delete {
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println!(" {p}");
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}
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}
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if !self.as_dependency.is_empty() {
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println!("as depdendency:");
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for p in &self.as_dependency {
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println!(" {p}");
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}
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}
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if !self.assign_group.is_empty() {
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println!("assign groups:");
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for (p, g) in &self.assign_group {
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println!(" {p} -> {}", g.name);
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}
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}
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}
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pub(super) fn nothing_to_do(&self) -> bool {
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self.delete.is_empty() && self.as_dependency.is_empty() && self.assign_group.is_empty()
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}
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}
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