Fossil

**    cat FILE ...           Concatenate the content of FILEs to stdout.
**
**    edit FILE              Bring up FILE in a text editor for modification.
**
**    export FILE OUTPUT     Write the content of FILE into OUTPUT on disk
**
**    list | ls              Show all unversioned files held in the local
**                           repository. Options:
**
**                              --glob PATTERN   Show only files that match
**                              --like PATTERN   Show only files that match
**
**    revert ?URL?           Restore the state of all unversioned files in the
**                           local repository to match the remote repository
**                           URL.
**
**                           Options:
**                              -v|--verbose     Extra diagnostic output
**                              -n|--dryrun      Show what would have happened
**
**    remove|rm|delete FILE ...
**                           Remove unversioned files from the local repository.
**                           Changes are not pushed to other repositories until
**                           the next sync.  Options:
**
**                              --glob PATTERN   Remove files that match
**                              --like PATTERN   Remove files that match
**
**    sync ?URL?             Synchronize the state of all unversioned files with
**                           the remote repository URL.  The most recent version
**                           of each file is propagated to all repositories and
**                           all prior versions are permanently forgotten.
**
**                           Options:

    char *zCmd;             /* Command to run the text editor */
    Blob content;           /* Content of the unversioned file */

    verify_all_options();
    if( g.argc!=4) usage("edit UVFILE");
    zUVFile = g.argv[3];
    zEditor = fossil_text_editor();
    if( zEditor==0 ){
      fossil_fatal("no text editor - set the VISUAL env variable");
    }
    zTFile = fossil_temp_filename();
    if( zTFile==0 ) fossil_fatal("cannot find a temporary filename");
    db_begin_transaction();
    content_rcvid_init("#!fossil unversioned edit");
    if( unversioned_content(zUVFile, &content) ){
      fossil_fatal("no such uv-file: %Q", zUVFile);
    }

    /* Show the hash value used during uv sync */
    int debugFlag = find_option("debug",0,0)!=0;
    fossil_print("%s\n", unversioned_content_hash(debugFlag));
  }else if( memcmp(zCmd, "list", nCmd)==0 || memcmp(zCmd, "ls", nCmd)==0 ){
    Stmt q;
    int allFlag = find_option("all","a",0)!=0;
    int longFlag = find_option("l",0,0)!=0 || (nCmd>1 && zCmd[1]=='i');
    char *zPattern = sqlite3_mprintf("true");
    const char *zGlob;
    zGlob = find_option("glob",0,1);
    if( zGlob ){
      sqlite3_free(zPattern);
      zPattern = sqlite3_mprintf("(name GLOB %Q)", zGlob);
    }
    zGlob = find_option("like",0,1);
    if( zGlob ){
      sqlite3_free(zPattern);
      zPattern = sqlite3_mprintf("(name LIKE %Q)", zGlob);
    }
    verify_all_options();
    if( !longFlag ){
      if( allFlag ){
        db_prepare(&q, "SELECT name FROM unversioned WHERE %s ORDER BY name",
                   zPattern/*safe-for-%s*/);
      }else{
        db_prepare(&q, "SELECT name FROM unversioned"
                       " WHERE %s AND hash IS NOT NULL"
                       " ORDER BY name", zPattern/*safe-for-%s*/);
      }
      while( db_step(&q)==SQLITE_ROW ){
        fossil_print("%s\n", db_column_text(&q,0));
      }
    }else{
      db_prepare(&q,
        "SELECT hash, datetime(mtime,'unixepoch'), sz, length(content), name"
        "   FROM unversioned WHERE %s"
        "  ORDER BY name;", zPattern/*safe-for-%s*/
      );
      while( db_step(&q)==SQLITE_ROW ){
        const char *zHash = db_column_text(&q, 0);
        const char *zNoContent = "";
        if( zHash==0 ){
          if( !allFlag ) continue;
          zHash = "(deleted)";

           db_column_int(&q,3),
           db_column_text(&q,4),
           zNoContent
        );
      }
    }
    db_finalize(&q);
    sqlite3_free(zPattern);
  }else if( memcmp(zCmd, "revert", nCmd)==0 ){
    unsigned syncFlags = 
        unversioned_sync_flags(SYNC_UNVERSIONED|SYNC_UV_REVERT);
    g.argv[1] = "sync";
    g.argv[2] = "--uv-noop";
    sync_unversioned(syncFlags);
  }else if( memcmp(zCmd, "remove", nCmd)==0 || memcmp(zCmd, "rm", nCmd)==0
         || memcmp(zCmd, "delete", nCmd)==0 ){
    int i;
    const char *zGlob;
    db_begin_transaction();
    while( (zGlob = find_option("glob",0,1))!=0 ){
      db_multi_exec(
        "UPDATE unversioned"
        "   SET hash=NULL, content=NULL, mtime=%lld, sz=0 WHERE name GLOB %Q",
        mtime, zGlob
      );
    }
    while( (zGlob = find_option("like",0,1))!=0 ){
      db_multi_exec(
        "UPDATE unversioned"
        "   SET hash=NULL, content=NULL, mtime=%lld, sz=0 WHERE name LIKE %Q",
        mtime, zGlob
      );
    }
    verify_all_options();
    for(i=3; i<g.argc; i++){
      db_multi_exec(
        "UPDATE unversioned"
        "   SET hash=NULL, content=NULL, mtime=%lld, sz=0 WHERE name=%Q",
        mtime, g.argv[i]
      );
    }