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appview/pulls: do not mutate submissions in stacked resubmits #663

merged
opened by oppi.li targeting master from push-yzlvxoyxmuyp

patch equality is cool, but insufficent to represent the change of a change. the underlying context could have changed.

Signed-off-by: oppiliappan me@oppi.li

options
unified split
Changed files
+1 -63
appview
pulls
pulls.go
+1 -63
appview/pulls/pulls.go 
···

       
30

       
30

       
 

       
	"tangled.org/core/tid"


     

       
31

       
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	"tangled.org/core/types"


     

       
32

       
32

       
 

       



     

       
33

       

       
-

       
	"github.com/bluekeyes/go-gitdiff/gitdiff"


     

       
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	comatproto "github.com/bluesky-social/indigo/api/atproto"


     

       
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	lexutil "github.com/bluesky-social/indigo/lex/util"


     

       
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35

       
 

       
	indigoxrpc "github.com/bluesky-social/indigo/xrpc"


     
···

       
1927

       
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	// commits that got deleted: corresponding pull is closed


     

       
1928

       
1927

       
 

       
	// commits that got added: new pull is created


     

       
1929

       
1928

       
 

       
	// commits that got updated: corresponding pull is resubmitted & new round begins


     

       
1930

       

       
-

       
	//


     

       
1931

       

       
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	// for commits that were unchanged: no changes, parent-change-id is updated as necessary


     

       
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1929

       
 

       
	additions := make(map[string]*models.Pull)


     

       
1933

       
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	deletions := make(map[string]*models.Pull)


     

       
1934

       

       
-

       
	unchanged := make(map[string]struct{})


     

       
1935

       
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	updated := make(map[string]struct{})


     

       
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	// pulls in orignal stack but not in new one


     
···

       
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	for _, np := range newStack {


     

       
1954

       
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		if op, ok := origById[np.ChangeId]; ok {


     

       
1955

       
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			// pull exists in both stacks


     

       
1956

       

       
-

       
			// TODO: can we avoid reparse?


     

       
1957

       

       
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			origFiles, origHeaderStr, _ := gitdiff.Parse(strings.NewReader(op.LatestPatch()))


     

       
1958

       

       
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			newFiles, newHeaderStr, _ := gitdiff.Parse(strings.NewReader(np.LatestPatch()))


     

       
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-

       



     

       
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			origHeader, _ := gitdiff.ParsePatchHeader(origHeaderStr)


     

       
1961

       

       
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			newHeader, _ := gitdiff.ParsePatchHeader(newHeaderStr)


     

       
1962

       

       
-

       



     

       
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			patchutil.SortPatch(newFiles)


     

       
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			patchutil.SortPatch(origFiles)


     

       
1965

       

       
-

       



     

       
1966

       

       
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			// text content of patch may be identical, but a jj rebase might have forwarded it


     

       
1967

       

       
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			//


     

       
1968

       

       
-

       
			// we still need to update the hash in submission.Patch and submission.SourceRev


     

       
1969

       

       
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			if patchutil.Equal(newFiles, origFiles) &&


     

       
1970

       

       
-

       
				origHeader.Title == newHeader.Title &&


     

       
1971

       

       
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				origHeader.Body == newHeader.Body {


     

       
1972

       

       
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				unchanged[op.ChangeId] = struct{}{}


     

       
1973

       

       
-

       
			} else {


     

       
1974

       

       
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				updated[op.ChangeId] = struct{}{}


     

       
1975

       

       
-

       
			}


     

       

       
1952

       
+

       
			updated[op.ChangeId] = struct{}{}


     

       
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1953

       
 

       
		}


     

       
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	}


     

       
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1955

       
 

       



     
···

       
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		})


     

       
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	}


     

       
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2067

       

       
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	// unchanged pulls are edited without starting a new round


     

       
2068

       

       
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	//


     

       
2069

       

       
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	// update source-revs & patches without advancing rounds


     

       
2070

       

       
-

       
	for changeId := range unchanged {


     

       
2071

       

       
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		op, _ := origById[changeId]


     

       
2072

       

       
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		np, _ := newById[changeId]


     

       
2073

       

       
-

       



     

       
2074

       

       
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		origSubmission := op.Submissions[op.LastRoundNumber()]


     

       
2075

       

       
-

       
		newSubmission := np.Submissions[np.LastRoundNumber()]


     

       
2076

       

       
-

       



     

       
2077

       

       
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		log.Println("moving unchanged change id : ", changeId)


     

       
2078

       

       
-

       



     

       
2079

       

       
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		err := db.UpdatePull(


     

       
2080

       

       
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			tx,


     

       
2081

       

       
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			newSubmission.Patch,


     

       
2082

       

       
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			newSubmission.SourceRev,


     

       
2083

       

       
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			db.FilterEq("id", origSubmission.ID),


     

       
2084

       

       
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		)


     

       
2085

       

       
-

       



     

       
2086

       

       
-

       
		if err != nil {


     

       
2087

       

       
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			log.Println("failed to update pull", err, op.PullId)


     

       
2088

       

       
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			s.pages.Notice(w, "pull-resubmit-error", "Failed to resubmit pull request. Try again later.")


     

       
2089

       

       
-

       
			return


     

       
2090

       

       
-

       
		}


     

       
2091

       

       
-

       



     

       
2092

       

       
-

       
		record := op.AsRecord()


     

       
2093

       

       
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		record.Patch = newSubmission.Patch


     

       
2094

       

       
-

       



     

       
2095

       

       
-

       
		writes = append(writes, &comatproto.RepoApplyWrites_Input_Writes_Elem{


     

       
2096

       

       
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			RepoApplyWrites_Update: &comatproto.RepoApplyWrites_Update{


     

       
2097

       

       
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				Collection: tangled.RepoPullNSID,


     

       
2098

       

       
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				Rkey:       op.Rkey,


     

       
2099

       

       
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				Value: &lexutil.LexiconTypeDecoder{


     

       
2100

       

       
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					Val: &record,


     

       
2101

       

       
-

       
				},


     

       
2102

       

       
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			},


     

       
2103

       

       
-

       
		})


     

       
2104

       

       
-

       
	}


     

       
2105

       

       
-

       



     

       
2106

       
2044

       
 

       
	// update parent-change-id relations for the entire stack


     

       
2107

       
2045

       
 

       
	for _, p := range newStack {


     

       
2108

       
2046

       
 

       
		err := db.SetPullParentChangeId(