Git - improve handling of first commit (#224165)

This commit is contained in:
Ladislau Szomoru
2024-07-29 11:01:34 +02:00
committed by GitHub
parent 819eba7049
commit 9c9ef6614b
4 changed files with 42 additions and 24 deletions

View File

@@ -1506,6 +1506,21 @@ export class Repository {
return parseGitChanges(this.repositoryRoot, gitResult.stdout);
}
async diffTrees(treeish1: string, treeish2?: string): Promise<Change[]> {
const args = ['diff-tree', '-r', '--name-status', '-z', '--diff-filter=ADMR', treeish1];
if (treeish2) {
args.push(treeish2);
}
const gitResult = await this.exec(args);
if (gitResult.exitCode) {
return [];
}
return parseGitChanges(this.repositoryRoot, gitResult.stdout);
}
async getMergeBase(ref1: string, ref2: string, ...refs: string[]): Promise<string | undefined> {
try {
const args = ['merge-base'];

View File

@@ -146,13 +146,9 @@ export class GitHistoryProvider implements SourceControlHistoryProvider, FileDec
try {
// Get the common ancestor commit, and commits
const [mergeBaseCommit, commits] = await Promise.all([
this.repository.getCommit(options.limit.id),
this.repository.log({ range: `${options.limit.id}..`, refNames, shortStats: true })
]);
// Add common ancestor commit
commits.push(mergeBaseCommit);
const commit = await this.repository.getCommit(options.limit.id);
const commitParentId = commit.parents.length > 0 ? commit.parents[0] : await this.repository.getEmptyTree();
const commits = await this.repository.log({ range: `${commitParentId}..`, refNames, shortStats: true });
await ensureEmojis();
@@ -180,24 +176,18 @@ export class GitHistoryProvider implements SourceControlHistoryProvider, FileDec
}
async provideHistoryItemSummary(historyItemId: string, historyItemParentId: string | undefined): Promise<SourceControlHistoryItem> {
if (!historyItemParentId) {
const commit = await this.repository.getCommit(historyItemId);
historyItemParentId = commit.parents.length > 0 ? commit.parents[0] : `${historyItemId}^`;
}
historyItemParentId = historyItemParentId ?? await this.repository.getEmptyTree();
const allChanges = await this.repository.diffBetweenShortStat(historyItemParentId, historyItemId);
return { id: historyItemId, parentIds: [historyItemParentId], message: '', statistics: allChanges };
}
async provideHistoryItemChanges(historyItemId: string, historyItemParentId: string | undefined): Promise<SourceControlHistoryItemChange[]> {
if (!historyItemParentId) {
const commit = await this.repository.getCommit(historyItemId);
historyItemParentId = commit.parents.length > 0 ? commit.parents[0] : `${historyItemId}^`;
}
historyItemParentId = historyItemParentId ?? await this.repository.getEmptyTree();
const historyItemChangesUri: Uri[] = [];
const historyItemChanges: SourceControlHistoryItemChange[] = [];
const changes = await this.repository.diffBetween(historyItemParentId, historyItemId);
const changes = await this.repository.diffTrees(historyItemParentId, historyItemId);
for (const change of changes) {
const historyItemUri = change.uri.with({

View File

@@ -718,6 +718,8 @@ export class Repository implements Disposable {
private _untrackedGroup: SourceControlResourceGroup;
get untrackedGroup(): GitResourceGroup { return this._untrackedGroup as GitResourceGroup; }
private _EMPTY_TREE: string | undefined;
private _HEAD: Branch | undefined;
get HEAD(): Branch | undefined {
return this._HEAD;
@@ -1112,6 +1114,10 @@ export class Repository implements Disposable {
return this.run(Operation.Diff, () => this.repository.diffBetweenShortStat(ref1, ref2));
}
diffTrees(treeish1: string, treeish2?: string): Promise<Change[]> {
return this.run(Operation.Diff, () => this.repository.diffTrees(treeish1, treeish2));
}
getMergeBase(ref1: string, ref2: string, ...refs: string[]): Promise<string | undefined> {
return this.run(Operation.MergeBase, () => this.repository.getMergeBase(ref1, ref2, ...refs));
}
@@ -1602,6 +1608,15 @@ export class Repository implements Disposable {
return await this.repository.getCommit(ref);
}
async getEmptyTree(): Promise<string> {
if (!this._EMPTY_TREE) {
const result = await this.repository.exec(['hash-object', '-t', 'tree', '/dev/null']);
this._EMPTY_TREE = result.stdout.trim();
}
return this._EMPTY_TREE;
}
async getCommitCount(range: string): Promise<{ ahead: number; behind: number }> {
return await this.run(Operation.RevList, () => this.repository.getCommitCount(range));
}