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step twenty nine: log, use iter_commits_and_parents

This commit is contained in:
Gonçalo Valério 2020-11-07 22:06:42 +00:00
parent cb9b476ef9
commit ba6bd7aac9
2 changed files with 12 additions and 12 deletions
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10
src/base.rs
View File

@ -1,4 +1,4 @@
use std::collections::{HashMap, HashSet};
use std::collections::{HashMap, HashSet, VecDeque};
use std::fs;
use std::io;
use std::path::Path;
@ -109,13 +109,12 @@ pub fn get_commit(oid: String) -> Commit {
};
}
pub fn iter_commits_and_parents(mut oids: HashSet<String>) -> Vec<String> {
pub fn iter_commits_and_parents(mut oids: VecDeque<String>) -> Vec<String> {
let mut visited: HashSet<String> = HashSet::new();
let mut oid_sequence = vec![];
while !oids.is_empty() {
let oid = oids.iter().next().cloned().unwrap();
oids.remove(&oid);
let oid = oids.pop_front().unwrap();
if oid == "" || visited.contains(&oid) {
continue;
}
@ -123,7 +122,8 @@ pub fn iter_commits_and_parents(mut oids: HashSet<String>) -> Vec<String> {
oid_sequence.push(oid.clone());
let commit = get_commit(oid);
oids.insert(commit.parent);
// Deal with parent next
oids.push_front(commit.parent);
}
return oid_sequence;

14
src/main.rs
View File

@ -1,5 +1,5 @@
use clap::{App, Arg, ArgMatches, SubCommand};
use std::collections::HashSet;
use std::collections::{HashSet, VecDeque};
use std::fs;
use std::io::Write;
use std::process::{Command, Stdio};
@ -120,9 +120,11 @@ fn commit(matches: ArgMatches) {
fn log_commits(matches: ArgMatches) {
if let Some(cmd_matches) = matches.subcommand_matches("log") {
let provided_ref = cmd_matches.value_of("oid").unwrap().to_owned();
let mut oid = base::get_oid(provided_ref.to_owned());
let initial_oid = base::get_oid(provided_ref.to_owned());
let mut oids = VecDeque::new();
oids.push_back(initial_oid);
loop {
for oid in base::iter_commits_and_parents(oids) {
let commit = base::get_commit(oid.clone());
println!("commit {}", oid);
@ -132,8 +134,6 @@ fn log_commits(matches: ArgMatches) {
if commit.parent == "" {
break;
}
oid = commit.parent;
}
}
}
@ -156,11 +156,11 @@ fn tag(matches: ArgMatches) {
fn k() {
let mut dot = "digraph commits {\n".to_owned();
let mut oids = HashSet::new();
let mut oids = VecDeque::new();
for refinfo in data::iter_refs() {
dot.push_str(&format!("\"{}\" [shape=note]\n", refinfo.0));
dot.push_str(&format!("\"{}\" -> \"{}\"", refinfo.0, refinfo.1));
oids.insert(refinfo.1);
oids.push_back(refinfo.1);
}
for oid in base::iter_commits_and_parents(oids) {