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Support shortened commit SHAs in URLs #13686

Merged
merged 6 commits into from
Nov 25, 2020
Merged

Support shortened commit SHAs in URLs #13686

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79a1cb9
Support shortened commit SHAs in URLs and API
lafriks Nov 24, 2020
a7418f9
Add test case for short sha
lafriks Nov 24, 2020
c05ea2b
Fix format
lafriks Nov 24, 2020
0358e92
Revert API support
lafriks Nov 24, 2020
d0ea927
Add canonical link headers for short commit ID URLs
lafriks Nov 25, 2020
a9220ec
Merge branch 'master' into feat/short_commitsha
lafriks Nov 25, 2020
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17 changes: 13 additions & 4 deletions modules/context/repo.go
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Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,7 @@ import (
"code.gitea.io/gitea/modules/markup/markdown"
"code.gitea.io/gitea/modules/setting"
api "code.gitea.io/gitea/modules/structs"
"code.gitea.io/gitea/modules/util"

"gitea.com/macaron/macaron"
"github.com/editorconfig/editorconfig-core-go/v2"
Expand Down Expand Up @@ -672,8 +673,11 @@ func getRefName(ctx *Context, pathType RepoRefType) string {
if refName := getRefName(ctx, RepoRefTag); len(refName) > 0 {
return refName
}
if refName := getRefName(ctx, RepoRefCommit); len(refName) > 0 {
return refName
// For legacy and API support only full commit sha
parts := strings.Split(path, "/")
if len(parts) > 0 && len(parts[0]) == 40 {
ctx.Repo.TreePath = strings.Join(parts[1:], "/")
return parts[0]
}
if refName := getRefName(ctx, RepoRefBlob); len(refName) > 0 {
return refName
Expand All @@ -686,7 +690,7 @@ func getRefName(ctx *Context, pathType RepoRefType) string {
return getRefNameFromPath(ctx, path, ctx.Repo.GitRepo.IsTagExist)
case RepoRefCommit:
parts := strings.Split(path, "/")
if len(parts) > 0 && len(parts[0]) == 40 {
if len(parts) > 0 && len(parts[0]) >= 7 && len(parts[0]) <= 40 {
ctx.Repo.TreePath = strings.Join(parts[1:], "/")
return parts[0]
}
Expand Down Expand Up @@ -778,7 +782,7 @@ func RepoRefByType(refType RepoRefType) macaron.Handler {
return
}
ctx.Repo.CommitID = ctx.Repo.Commit.ID.String()
} else if len(refName) == 40 {
} else if len(refName) >= 7 && len(refName) <= 40 {
ctx.Repo.IsViewCommit = true
ctx.Repo.CommitID = refName

Expand All @@ -787,6 +791,11 @@ func RepoRefByType(refType RepoRefType) macaron.Handler {
ctx.NotFound("GetCommit", err)
return
}
// If short commit ID add canonical link header
if len(refName) < 40 {
ctx.Header().Set("Link", fmt.Sprintf("<%s>; rel=\"canonical\"",
util.URLJoin(setting.AppURL, strings.Replace(ctx.Req.URL.RequestURI(), refName, ctx.Repo.Commit.ID.String(), 1))))
}
} else {
ctx.NotFound("RepoRef invalid repo", fmt.Errorf("branch or tag not exist: %s", refName))
return
Expand Down