Hello,
I'm testing Fossil by migrating a bunch of Mercurial repositories.
Unlike Git, Mercurial tracks file renames. However, in order to create
a Fossil repository I have to follow the Mercurial -> Git -> Fossil
path.
On the first conversion I lose file copying/renaming information. But
the "git fast-export" command has the -M and -C switches to enable
copy/rename detection heuristics. Therefore, the last conversion step
looks like:
git fast-export -M -C --all | fossil import --git ../myrepo.fossil
The good news is that the heuristics work, as Fossil fails with the
following message:
cannot handle R records, use --full-tree
Which would be understandable if it was a completely unsupported caes.
Nevertheless, I searched for the place where the error originates and I
found this:
}else
if( memcmp(zLine, "R ", 2)==0 ){
int nFrom;
import_prior_files();
z = &zLine[2];
zFrom = next_token(&z);
zTo = rest_of_line(&z);
i = 0;
nFrom = strlen(zFrom);
while( (pFile = import_find_file(zFrom, &i, gg.nFile))!=0 ){
if( pFile->isFrom==0 ) continue;
pNew = import_add_file();
pFile = &gg.aFile[i-1];
if( strlen(pFile->zName)>nFrom ){
pNew->zName = mprintf("%s%s", zTo, pFile->zName[nFrom]);
}else{
pNew->zName = fossil_strdup(pFile->zName);
}
pNew->zPrior = pFile->zName;
pNew->isExe = pFile->isExe;
pNew->isLink = pFile->isLink;
pNew->zUuid = pFile->zUuid;
pNew->isFrom = 0;
gg.nFile--;
*pFile = *pNew;
memset(pNew, 0, sizeof(*pNew));
}
fossil_fatal("cannot handle R records, use --full-tree");
}else
Then I tried commenting the call to fossil_fatal() and the import
completed, but the old files were not removed.
So, finally, my question is. What is that code lacking in order to
correctly import copy and rename information?
Regards.
--
Isaac Jurado
"The noblest pleasure is the joy of understanding."
Leonardo da Vinci
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