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https://github.com/martinvonz/jj.git
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index: add stats for number of change ids and pruned commits
This commit is contained in:
Martin von Zweigbergk
parent
bc64cf02c7
commit
e2e9fe8f0d
2 changed files with 51 additions and 8 deletions
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@ -736,6 +736,8 @@ impl<'a> CompositeIndex<'a> {
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let mut num_merges = 0;
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let mut max_generation_number = 0;
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let mut is_head = vec![true; num_commits as usize];
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let mut change_ids = HashSet::new();
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let mut num_pruned_commits = 0;
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for pos in 0..num_commits {
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let entry = self.entry_by_pos(pos);
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max_generation_number = max(max_generation_number, entry.generation_number());
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@ -745,6 +747,10 @@ impl<'a> CompositeIndex<'a> {
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for parent_pos in entry.parent_positions() {
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is_head[parent_pos as usize] = false;
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}
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if entry.is_pruned() {
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num_pruned_commits += 1;
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}
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change_ids.insert(entry.change_id());
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}
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let num_heads = is_head.iter().filter(|is_head| **is_head).count() as u32;
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@ -768,6 +774,8 @@ impl<'a> CompositeIndex<'a> {
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num_merges,
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max_generation_number,
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num_heads,
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num_pruned_commits,
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num_changes: change_ids.len() as u32,
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levels,
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}
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}
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@ -971,6 +979,8 @@ pub struct IndexStats {
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pub num_merges: u32,
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pub max_generation_number: u32,
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pub num_heads: u32,
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pub num_pruned_commits: u32,
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pub num_changes: u32,
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pub levels: Vec<IndexLevelStats>,
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}
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@ -1633,6 +1643,8 @@ mod tests {
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assert_eq!(stats.num_heads, 0);
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assert_eq!(stats.max_generation_number, 0);
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assert_eq!(stats.num_merges, 0);
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assert_eq!(stats.num_changes, 0);
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assert_eq!(stats.num_pruned_commits, 0);
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assert_eq!(index.num_commits(), 0);
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// Cannot find any commits
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assert!(index.entry_by_id(&CommitId::from_hex("000000")).is_none());
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@ -1646,7 +1658,8 @@ mod tests {
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let temp_dir = tempfile::tempdir().unwrap();
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let mut index = MutableIndex::full(temp_dir.path().to_owned(), 3);
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let id_0 = CommitId::from_hex("000000");
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index.add_commit_data(id_0.clone(), new_change_id(), false, vec![], vec![]);
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let change_id0 = new_change_id();
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index.add_commit_data(id_0.clone(), change_id0.clone(), false, vec![], vec![]);
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let index = if on_disk {
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IndexRef::Readonly(index.save().unwrap())
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} else {
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@ -1659,6 +1672,8 @@ mod tests {
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assert_eq!(stats.num_heads, 1);
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assert_eq!(stats.max_generation_number, 0);
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assert_eq!(stats.num_merges, 0);
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assert_eq!(stats.num_changes, 1);
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assert_eq!(stats.num_pruned_commits, 0);
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assert_eq!(index.num_commits(), 1);
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// Can find only the root commit
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assert_eq!(index.commit_id_to_pos(&id_0), Some(0));
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@ -1668,6 +1683,8 @@ mod tests {
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let entry = index.entry_by_id(&id_0).unwrap();
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assert_eq!(entry.pos, 0);
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assert_eq!(entry.commit_id(), id_0);
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assert_eq!(entry.change_id(), change_id0);
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assert_eq!(entry.is_pruned(), false);
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assert_eq!(entry.generation_number(), 0);
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assert_eq!(entry.num_parents(), 0);
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assert_eq!(entry.parent_positions(), Vec::<u32>::new());
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@ -1685,6 +1702,16 @@ mod tests {
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index.add_commit_data(id_1, new_change_id(), false, vec![id_0], vec![]);
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}
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#[test]
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#[should_panic(expected = "predecessor commit is not indexed")]
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fn index_missing_predecessor_commit() {
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let temp_dir = tempfile::tempdir().unwrap();
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let mut index = MutableIndex::full(temp_dir.path().to_owned(), 3);
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let id_0 = CommitId::from_hex("000000");
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let id_1 = CommitId::from_hex("111111");
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index.add_commit_data(id_1, new_change_id(), false, vec![], vec![id_0]);
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}
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#[test_case(false, false; "full in memory")]
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#[test_case(false, true; "full on disk")]
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#[test_case(true, false; "incremental in memory")]
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@ -1700,19 +1727,22 @@ mod tests {
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// |/
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// 0
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let id_0 = CommitId::from_hex("000000");
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let change_id0 = new_change_id();
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let id_1 = CommitId::from_hex("111111");
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let change_id1 = new_change_id();
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let id_2 = CommitId::from_hex("222222");
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index.add_commit_data(id_0.clone(), new_change_id(), false, vec![], vec![]);
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let change_id2 = change_id1.clone();
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index.add_commit_data(id_0.clone(), change_id0, false, vec![], vec![]);
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index.add_commit_data(
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id_1.clone(),
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new_change_id(),
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change_id1.clone(),
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false,
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vec![id_0.clone()],
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vec![],
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);
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index.add_commit_data(
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id_2.clone(),
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new_change_id(),
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change_id2.clone(),
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false,
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vec![id_0.clone()],
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vec![],
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@ -1726,25 +1756,28 @@ mod tests {
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}
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let id_3 = CommitId::from_hex("333333");
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let change_id3 = new_change_id();
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let id_4 = CommitId::from_hex("444444");
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let change_id4 = new_change_id();
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let id_5 = CommitId::from_hex("555555");
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let change_id5 = change_id3.clone();
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index.add_commit_data(
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id_3.clone(),
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new_change_id(),
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false,
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change_id3.clone(),
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true,
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vec![id_2.clone()],
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vec![],
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);
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index.add_commit_data(
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id_4.clone(),
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new_change_id(),
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change_id4,
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false,
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vec![id_1.clone()],
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vec![id_2.clone(), id_3.clone()],
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);
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index.add_commit_data(
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id_5.clone(),
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new_change_id(),
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change_id5,
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false,
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vec![id_4.clone(), id_2.clone()],
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vec![],
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@ -1761,6 +1794,8 @@ mod tests {
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assert_eq!(stats.num_heads, 2);
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assert_eq!(stats.max_generation_number, 3);
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assert_eq!(stats.num_merges, 1);
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assert_eq!(stats.num_changes, 4);
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assert_eq!(stats.num_pruned_commits, 1);
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assert_eq!(index.num_commits(), 6);
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// Can find all the commits
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let entry_0 = index.entry_by_id(&id_0).unwrap();
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@ -1774,6 +1809,8 @@ mod tests {
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assert_eq!(entry_0.commit_id(), id_0);
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assert_eq!(entry_1.pos, 1);
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assert_eq!(entry_1.commit_id(), id_1);
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assert_eq!(entry_1.change_id(), change_id1);
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assert_eq!(entry_1.is_pruned(), false);
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assert_eq!(entry_1.generation_number(), 1);
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assert_eq!(entry_1.num_parents(), 1);
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assert_eq!(entry_1.parent_positions(), vec![0]);
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@ -1781,11 +1818,15 @@ mod tests {
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assert_eq!(entry_1.predecessor_positions(), Vec::<u32>::new());
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assert_eq!(entry_2.pos, 2);
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assert_eq!(entry_2.commit_id(), id_2);
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assert_eq!(entry_2.change_id(), change_id2);
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assert_eq!(entry_2.is_pruned(), false);
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assert_eq!(entry_2.generation_number(), 1);
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assert_eq!(entry_2.num_parents(), 1);
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assert_eq!(entry_2.parent_positions(), vec![0]);
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assert_eq!(entry_3.change_id(), change_id3);
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assert_eq!(entry_3.generation_number(), 2);
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assert_eq!(entry_3.parent_positions(), vec![2]);
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assert_eq!(entry_3.is_pruned(), true);
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assert_eq!(entry_4.pos, 4);
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assert_eq!(entry_4.generation_number(), 2);
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assert_eq!(entry_4.num_parents(), 1);
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@ -1779,6 +1779,8 @@ fn cmd_debug(
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writeln!(ui, "Number of merges: {}", stats.num_merges);
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writeln!(ui, "Max generation number: {}", stats.max_generation_number);
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writeln!(ui, "Number of heads: {}", stats.num_heads);
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writeln!(ui, "Number of pruned commits: {}", stats.num_pruned_commits);
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writeln!(ui, "Number of changes: {}", stats.num_changes);
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writeln!(ui, "Stats per level:");
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for (i, level) in stats.levels.iter().enumerate() {
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writeln!(ui, " Level {}:", i);
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