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Avoid unnecessary 500 panic when a commit doesn't exist (#28719)

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In #26851, it assumed that `Commit` always exists when
`PageIsDiff==true`.

But for a 404 page, the `Commit` doesn't exist, so the following code
would cause panic because nil value can't be passed as string parameter
to `IsMultilineCommitMessage(string)` (or the StringUtils.Cut in later
PRs)
This commit is contained in:
wxiaoguang 2024-01-07 18:20:22 +08:00 committed by GitHub
parent a43c7b81af
commit c5901b622d
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 11 additions and 1 deletions
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2
templates/base/head_opengraph.tmpl
View file

@ -17,7 +17,7 @@
{{else if or .PageIsDiff .IsViewFile}} {{else if or .PageIsDiff .IsViewFile}}
<meta property="og:title" content="{{.Title}}"> <meta property="og:title" content="{{.Title}}">
<meta property="og:url" content="{{AppUrl}}{{.Link}}"> <meta property="og:url" content="{{AppUrl}}{{.Link}}">
{{if .PageIsDiff}} {{if and .PageIsDiff .Commit}}
{{- $commitMessageParts := StringUtils.Cut .Commit.Message "\n" -}} {{- $commitMessageParts := StringUtils.Cut .Commit.Message "\n" -}}
{{- $commitMessageBody := index $commitMessageParts 1 -}} {{- $commitMessageBody := index $commitMessageParts 1 -}}
{{- if $commitMessageBody -}} {{- if $commitMessageBody -}}

10
tests/integration/repo_test.go
View file

@ -12,6 +12,7 @@ import (
"time" "time"
"code.gitea.io/gitea/modules/setting" "code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/test"
"code.gitea.io/gitea/tests" "code.gitea.io/gitea/tests"
"github.com/PuerkitoBio/goquery" "github.com/PuerkitoBio/goquery"
@ -448,3 +449,12 @@ func TestGeneratedSourceLink(t *testing.T) {
assert.Equal(t, "/user27/repo49/src/commit/aacbdfe9e1c4b47f60abe81849045fa4e96f1d75/test/test.txt", dataURL) assert.Equal(t, "/user27/repo49/src/commit/aacbdfe9e1c4b47f60abe81849045fa4e96f1d75/test/test.txt", dataURL)
}) })
} }
func TestViewCommit(t *testing.T) {
defer tests.PrepareTestEnv(t)()
req := NewRequest(t, "GET", "/user2/repo1/commit/0123456789012345678901234567890123456789")
req.Header.Add("Accept", "text/html")
resp := MakeRequest(t, req, http.StatusNotFound)
assert.True(t, test.IsNormalPageCompleted(resp.Body.String()), "non-existing commit should render 404 page")
}