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Prevent NPE if trying to restore an already restored deleted branch (#21940) (#21944) 

Backport #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>
This commit is contained in:
zeripath 2022-11-25 23:28:03 +00:00 committed by GitHub
parent ff4e292b3f
commit b56d269cf8
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2 changed files with 10 additions and 0 deletions
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4
routers/web/repo/branch.go
View File

@ -126,6 +126,10 @@ func RestoreBranchPost(ctx *context.Context) {
log.Error("GetDeletedBranchByID: %v", err)
ctx.Flash.Error(ctx.Tr("repo.branch.restore_failed", branchName))
return
} else if deletedBranch == nil {
log.Debug("RestoreBranch: Can't restore branch[%d] '%s', as it does not exist", branchID, branchName)
ctx.Flash.Error(ctx.Tr("repo.branch.restore_failed", branchName))
return
}
if err := git.Push(ctx, ctx.Repo.Repository.RepoPath(), git.PushOptions{

6
web_src/js/features/common-global.js
View File

@ -260,6 +260,7 @@ export function initGlobalLinkActions() {
e.preventDefault();
const $this = $(this);
const redirect = $this.data('redirect');
$this.prop('disabled', true);
$.post($this.data('url'), {
_csrf: csrfToken
}).done((data) => {
@ -270,6 +271,8 @@ export function initGlobalLinkActions() {
} else {
window.location.reload();
}
}).always(() => {
$this.prop('disabled', false);
});
}
@ -283,11 +286,14 @@ export function initGlobalLinkActions() {
// FIXME: this is only used once, and should be replace with `link-action` instead
$('.undo-button').on('click', function () {
const $this = $(this);
$this.prop('disabled', true);
$.post($this.data('url'), {
_csrf: csrfToken,
id: $this.data('id')
}).done((data) => {
window.location.href = data.redirect;
}).always(() => {
$this.prop('disabled', false);
});
});
}