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Prevent NPE if trying to restore an already restored deleted branch (#21940)
If a deleted-branch has already been restored, a request to restore it again will cause a NPE. This PR adds detection for this case, but also disables buttons when they're clicked in order to help prevent accidental repeat requests. Fix #21930 Signed-off-by: Andrew Thornton <art27@cantab.net>
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@ -126,6 +126,10 @@ func RestoreBranchPost(ctx *context.Context) {
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log.Error("GetDeletedBranchByID: %v", err)
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ctx.Flash.Error(ctx.Tr("repo.branch.restore_failed", branchName))
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return
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} else if deletedBranch == nil {
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log.Debug("RestoreBranch: Can't restore branch[%d] '%s', as it does not exist", branchID, branchName)
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ctx.Flash.Error(ctx.Tr("repo.branch.restore_failed", branchName))
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return
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}
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if err := git.Push(ctx, ctx.Repo.Repository.RepoPath(), git.PushOptions{
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@ -260,6 +260,7 @@ export function initGlobalLinkActions() {
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e.preventDefault();
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const $this = $(this);
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const redirect = $this.data('redirect');
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$this.prop('disabled', true);
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$.post($this.data('url'), {
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_csrf: csrfToken
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}).done((data) => {
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@ -270,6 +271,8 @@ export function initGlobalLinkActions() {
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} else {
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window.location.reload();
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}
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}).always(() => {
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$this.prop('disabled', false);
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});
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}
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@ -283,11 +286,14 @@ export function initGlobalLinkActions() {
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// FIXME: this is only used once, and should be replace with `link-action` instead
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$('.undo-button').on('click', function () {
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const $this = $(this);
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$this.prop('disabled', true);
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$.post($this.data('url'), {
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_csrf: csrfToken,
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id: $this.data('id')
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}).done((data) => {
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window.location.href = data.redirect;
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}).always(() => {
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$this.prop('disabled', false);
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});
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});
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}
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