void SG_workingdir__verify_drawer_exists(
SG_context* pCtx,
const SG_pathname* pPathWorkingDirectoryTop,
SG_pathname** ppResult)
{
SG_pathname* pDrawerPath = NULL;
SG_fsobj_type type = SG_FSOBJ_TYPE__UNSPECIFIED;
SG_fsobj_perms perms;
SG_bool bExists = SG_FALSE;
SG_ERR_CHECK( SG_workingdir__get_drawer_path(pCtx, pPathWorkingDirectoryTop, &pDrawerPath) );
SG_ERR_CHECK( SG_fsobj__exists__pathname(pCtx, pDrawerPath, &bExists, &type, &perms) );
if (!bExists)
{
SG_ERR_CHECK( SG_fsobj__mkdir__pathname(pCtx, pDrawerPath) );
}
else
{
if (SG_FSOBJ_TYPE__DIRECTORY != type)
{
SG_ERR_THROW(SG_ERR_NOT_A_DIRECTORY);
}
}
*ppResult = pDrawerPath;
return;
fail:
return;
}
/**
* Return a pathname set to the location of the "tmp"
* directory for this working directory.
*
* We create something like:
*
* <root>/.sgdrawer/tmp/
*
* Note that the main "tmp" directory is long-lived and
* may be used by multiple tasks at the same time. So
* for significant tasks, create a private sub-directory
* within it.
*
*/
void sg_wc_db__path__get_temp_dir(SG_context * pCtx,
const sg_wc_db * pDb,
SG_pathname ** ppPathTempDir)
{
SG_pathname * pPath = NULL;
SG_ERR_CHECK( SG_workingdir__get_drawer_path(pCtx,
pDb->pPathWorkingDirectoryTop,
&pPath) );
SG_ERR_CHECK( SG_pathname__append__from_sz(pCtx, pPath, "tmp") );
SG_ERR_CHECK( SG_pathname__add_final_slash(pCtx, pPath) );
// the "tmp" dir could get deleted by routine housekeeping,
// so re-create it if someone even thinks about using temp-based
// pathnames. i'm going to skip the usual "if (!exists) mkdir"
// stuff and just try to create it and ignore the error.
SG_fsobj__mkdir__pathname(pCtx, pPath);
if (SG_CONTEXT__HAS_ERR(pCtx))
{
if (!SG_context__err_equals(pCtx, SG_ERR_DIR_ALREADY_EXISTS))
SG_ERR_RETHROW;
SG_context__err_reset(pCtx);
}
*ppPathTempDir = pPath;
return;
fail:
SG_PATHNAME_NULLFREE(pCtx, pPath);
}
/**
* Construct a pathname for a DB in the drawer.
* This is something of the form:
*
* <root>/.sgdrawer/wc.db
*
*/
void sg_wc_db__path__compute_pathname_in_drawer(SG_context * pCtx, sg_wc_db * pDb)
{
SG_ERR_CHECK_RETURN( SG_workingdir__get_drawer_path(pCtx,
pDb->pPathWorkingDirectoryTop,
&pDb->pPathDB) );
SG_ERR_CHECK_RETURN( SG_pathname__append__from_sz(pCtx, pDb->pPathDB, "wc.db") );
}
void SG_workingdir__find_mapping(
SG_context* pCtx,
const SG_pathname* pPathLocalDirectory,
SG_pathname** ppPathMappedLocalDirectory, /**< Return the actual local directory that contains the mapping */
SG_string** ppstrNameRepoInstanceDescriptor, /**< Return the name of the repo instance descriptor */
char** ppszidGidAnchorDirectory /**< Return the GID of the repo directory */
)
{
SG_pathname* curpath = NULL;
SG_string* result_pstrDescriptorName = NULL;
char* result_pszidGid = NULL;
SG_pathname* result_mappedLocalDirectory = NULL;
SG_vhash* pvhMapping = NULL;
SG_pathname* pDrawerPath = NULL;
SG_pathname* pMappingFilePath = NULL;
SG_vhash* pvh = NULL;
SG_NULLARGCHECK_RETURN(pPathLocalDirectory);
SG_ERR_CHECK( SG_PATHNAME__ALLOC__COPY(pCtx, &curpath, pPathLocalDirectory) );
/* it's a directory, so it should have a final slash */
SG_ERR_CHECK( SG_pathname__add_final_slash(pCtx, curpath) );
while (SG_TRUE)
{
SG_ERR_CHECK( SG_workingdir__get_drawer_path(pCtx, curpath, &pDrawerPath) );
SG_fsobj__verify_directory_exists_on_disk__pathname(pCtx, pDrawerPath);
if (!SG_context__has_err(pCtx))
{
const char* pszDescriptorName = NULL;
const char* pszGid = NULL;
SG_ERR_CHECK( SG_PATHNAME__ALLOC__PATHNAME_SZ(pCtx, &pMappingFilePath, pDrawerPath, "repo.json") );
SG_PATHNAME_NULLFREE(pCtx, pDrawerPath);
SG_ERR_CHECK( SG_vfile__slurp(pCtx, pMappingFilePath, &pvh) );
SG_ERR_CHECK( SG_vhash__get__vhash(pCtx, pvh, "mapping", &pvhMapping) );
SG_PATHNAME_NULLFREE(pCtx, pMappingFilePath);
SG_ERR_CHECK( SG_vhash__get__sz(pCtx, pvhMapping, "descriptor", &pszDescriptorName) );
SG_ERR_CHECK( SG_vhash__get__sz(pCtx, pvhMapping, "anchor", &pszGid) );
SG_ERR_CHECK( SG_STRING__ALLOC(pCtx, &result_pstrDescriptorName) );
SG_ERR_CHECK( SG_string__set__sz(pCtx, result_pstrDescriptorName, pszDescriptorName) );
if (pszGid)
{
SG_ERR_CHECK( SG_gid__alloc_clone(pCtx, pszGid, &result_pszidGid) );
}
else
{
result_pszidGid = NULL;
}
SG_VHASH_NULLFREE(pCtx, pvh);
result_mappedLocalDirectory = curpath;
curpath = NULL;
break;
}
else
SG_context__err_reset(pCtx);
SG_PATHNAME_NULLFREE(pCtx, pDrawerPath);
SG_pathname__remove_last(pCtx, curpath);
if (SG_context__err_equals(pCtx, SG_ERR_CANNOTTRIMROOTDIRECTORY))
{
SG_context__err_reset(pCtx);
break;
}
else
{
SG_ERR_CHECK_CURRENT;
}
}
if (result_mappedLocalDirectory)
{
if (ppPathMappedLocalDirectory)
{
*ppPathMappedLocalDirectory = result_mappedLocalDirectory;
}
else
{
SG_PATHNAME_NULLFREE(pCtx, result_mappedLocalDirectory);
}
if (ppstrNameRepoInstanceDescriptor)
{
*ppstrNameRepoInstanceDescriptor = result_pstrDescriptorName;
}
else
{
SG_STRING_NULLFREE(pCtx, result_pstrDescriptorName);
}
if (ppszidGidAnchorDirectory)
{
*ppszidGidAnchorDirectory = result_pszidGid;
}
else
{
SG_NULLFREE(pCtx, result_pszidGid);
}
return;
}
else
{
SG_PATHNAME_NULLFREE(pCtx, curpath);
SG_ERR_THROW_RETURN(SG_ERR_NOT_FOUND);
}
fail:
SG_VHASH_NULLFREE(pCtx, pvh);
SG_PATHNAME_NULLFREE(pCtx, pDrawerPath);
SG_PATHNAME_NULLFREE(pCtx, pMappingFilePath);
SG_PATHNAME_NULLFREE(pCtx, result_mappedLocalDirectory);
SG_PATHNAME_NULLFREE(pCtx, curpath);
}
