Pass the names of both the origin and the replica databases to the remote

side, so that if the remote is the replica, it will have access to the
origin database name in case the replica name is really a directory.

FossilOrigin-Name: 435c30171d3c6073b7aaf5cc11cc4813f6a2d225ae6dce1b0e478f0cd5a0b532

manifest

@@ -1,5 +1,5 @@
-C Add\sa\sprotocol\sversion\snumber\sto\sthe\sfirst\smessage,\sand\sgive\sthe\stwo\ssides\nan\sopportunity\sto\snegotiate\sa\ssuitable\sprotocol\snumber,\sfor\sfuture\ncompatibility.\s\sSend\sthe\spage\ssize\sas\sa\spower-of-two.
-D 2024-09-12T15:36:34.506
+C Pass\sthe\snames\sof\sboth\sthe\sorigin\sand\sthe\sreplica\sdatabases\sto\sthe\sremote\nside,\sso\sthat\sif\sthe\sremote\sis\sthe\sreplica,\sit\swill\shave\saccess\sto\sthe\norigin\sdatabase\sname\sin\scase\sthe\sreplica\sname\sis\sreally\sa\sdirectory.
+D 2024-09-12T15:51:56.339
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@ -2174,7 +2174,7 @@ F tool/speedtest8inst1.c 7ce07da76b5e745783e703a834417d725b7d45fd
 F tool/spellsift.tcl 52b4b04dc4333c7ab024f09d9d66ed6b6f7c6eb00b38497a09f338fa55d40618 x
 F tool/split-sqlite3c.tcl 5aa60643afca558bc732b1444ae81a522326f91e1dc5665b369c54f09e20de60
 F tool/sqldiff.c 847fc8fcfddf5ce4797b7394cad6372f2f5dc17d8186e2ef8fb44d50fae4f44a
-F tool/sqlite3-rsync.c f3283380beddab3cf876be781fbd2d00308249f08d6e4438411e64f27e7b67bd
+F tool/sqlite3-rsync.c 7b7d24177b27f42dfcd7e962be4a526e775b073f2044cd1f7d3414581810baea
 F tool/sqlite3_analyzer.c.in 8da2b08f56eeac331a715036cf707cc20f879f231362be0c22efd682e2b89b4f
 F tool/sqltclsh.c.in 1bcc2e9da58fadf17b0bf6a50e68c1159e602ce057210b655d50bad5aaaef898
 F tool/sqltclsh.tcl 862f4cf1418df5e1315b5db3b5ebe88969e2a784525af5fbf9596592f14ed848
@@ -2213,8 +2213,8 @@ F vsixtest/vsixtest.tcl 6195aba1f12a5e10efc2b8c0009532167be5e301abe5b31385638080
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P fe65821a3b912f061026e6fd7174be26897010e6b474e2780350cac60faebaad
-R 70c38e114e917b5cf93c46e6c1a47f24
+P df0623aae1154281157409f62d6d3fb3ce41829281d53bc55868ce44b3d36883
+R 137e53956a972f25c62e4e4b74ab6074
 U drh
-Z 9a7103765746c5b1023f192fb95a127f
+Z 061042360cfb45012e27693425840440
 # Remove this line to create a well-formed Fossil manifest.

manifest.uuid

@@ -1 +1 @@
-df0623aae1154281157409f62d6d3fb3ce41829281d53bc55868ce44b3d36883
+435c30171d3c6073b7aaf5cc11cc4813f6a2d225ae6dce1b0e478f0cd5a0b532

tool/sqlite3-rsync.c

@@ -516,6 +516,21 @@ static void echoOneLine(SQLiteRsync *p){
   }
 }
 
+/*
+** Return the tail of a file pathname.  The tail is the last component
+** of the path.  For example, the tail of "/a/b/c.d" is "c.d".
+*/
+const char *file_tail(const char *z){
+  const char *zTail = z;
+  if( !zTail ) return 0;
+  while( z[0] ){
+    if( z[0]=='/' ) zTail = &z[1];
+    z++;
+  }
+  return zTail;
+}
+
+
 /* Read a single big-endian 32-bit unsigned integer from the input
 ** stream.  Return 0 on success and 1 if there are any errors.
 */
@@ -1064,7 +1079,6 @@ static void replicaSide(SQLiteRsync *p){
                          "replica is %d bytes", szOPage, szRPage);
           break;
         }
-        
 
         pStmt = prepareStmt(p,
                    "SELECT sha1b(data) FROM sqlite_dbpage"
@@ -1257,12 +1271,12 @@ int main(int argc, char **argv){
     fprintf(stderr, "missing ORIGIN database filename\n");
     return 1;
   }
-  if( isOrigin && isReplica ){
-    fprintf(stderr, "bad option combination\n");
+  if( ctx.zReplica==0 ){
+    fprintf(stderr, "missing REPLICA database filename\n");
     return 1;
   }
-  if( (isOrigin || isReplica) && ctx.zReplica!=0 ){
-    fprintf(stderr, "Unknown argument: \"%s\"\n", ctx.zReplica);
+  if( isOrigin && isReplica ){
+    fprintf(stderr, "bad option combination\n");
     return 1;
   }
   if( isOrigin ){
@@ -1273,8 +1287,6 @@ int main(int argc, char **argv){
     return 0;
   }
   if( isReplica ){
-    ctx.zReplica = ctx.zOrigin;
-    ctx.zOrigin = 0;
     ctx.pIn = stdin;
     ctx.pOut = stdout;
     ctx.isRemote = 1;
@@ -1306,6 +1318,7 @@ int main(int argc, char **argv){
       if( ctx.eVerbose==0 ) ctx.eVerbose = 1;
     }
     append_escaped_arg(pStr, zDiv, 1);
+    append_escaped_arg(pStr, file_tail(ctx.zReplica), 1);
     zCmd = sqlite3_str_finish(pStr);
     if( ctx.eVerbose ) printf("%s\n", zCmd);
     if( popen2(zCmd, &ctx.pIn, &ctx.pOut, &childPid, 0) ){
@@ -1326,6 +1339,7 @@ int main(int argc, char **argv){
       append_escaped_arg(pStr, "--commcheck", 0);
       if( ctx.eVerbose==0 ) ctx.eVerbose = 1;
     }
+    append_escaped_arg(pStr, file_tail(ctx.zOrigin), 1);
     append_escaped_arg(pStr, zDiv, 1);
     zCmd = sqlite3_str_finish(pStr);
     if( ctx.eVerbose ) printf("%s\n", zCmd);
@@ -1342,6 +1356,7 @@ int main(int argc, char **argv){
     if( ctx.bCommCheck ){
       append_escaped_arg(pStr, "--commcheck", 0);
     }
+    append_escaped_arg(pStr, ctx.zOrigin, 1);
     append_escaped_arg(pStr, ctx.zReplica, 1);
     zCmd = sqlite3_str_finish(pStr);
     if( ctx.eVerbose ) printf("%s\n", zCmd);