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Overview
Comment:Fill islink field in vfile table when adding files. Support symlinks in export. Make manifest_file_perm() return 2 for symlinks. Add file_perm() function, and use it instead of file_isexe() when we need both isexe and islink properties.
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | symlinks
Files: files | file ages | folders
SHA1: 4619361d585c8c52a827eb8a470c8e0cbe28f3e2
User & Date: dmitry 2011-08-23 17:44:23
Context
2011-08-24
19:12
Support symlinks in ZIP files. check-in: 16da26c5 user: dmitry tags: symlinks
2011-08-23
17:44
Fill islink field in vfile table when adding files. Support symlinks in export. Make manifest_file_perm() return 2 for symlinks. Add file_perm() function, and use it instead of file_isexe() when we need both isexe and islink properties. check-in: 4619361d user: dmitry tags: symlinks
16:50
Avoid using invalid SQL when checking to see if the vfile table needs to have the islink column added. check-in: 2de9e876 user: drh tags: symlinks
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Changes to src/add.c. 

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  if( db_exists("SELECT 1 FROM vfile"
                " WHERE pathname=%Q COLLATE %s", zPath, zCollate) ){
    db_multi_exec("UPDATE vfile SET deleted=0"
                  " WHERE pathname=%Q COLLATE %s", zPath, zCollate);
  }else{
    char *zFullname = mprintf("%s%s", g.zLocalRoot, zPath);
    db_multi_exec(
      "INSERT INTO vfile(vid,deleted,rid,mrid,pathname,isexe)"
      "VALUES(%d,0,0,0,%Q,%d)",
      vid, zPath, file_isexe(zFullname));
    fossil_free(zFullname);
  }
  if( db_changes() ){
    fossil_print("ADDED  %s\n", zPath);
    return 1;
  }else{
    fossil_print("SKIP   %s\n", zPath);








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  if( db_exists("SELECT 1 FROM vfile"
                " WHERE pathname=%Q COLLATE %s", zPath, zCollate) ){
    db_multi_exec("UPDATE vfile SET deleted=0"
                  " WHERE pathname=%Q COLLATE %s", zPath, zCollate);
  }else{
    char *zFullname = mprintf("%s%s", g.zLocalRoot, zPath);
    db_multi_exec(
      "INSERT INTO vfile(vid,deleted,rid,mrid,pathname,isexe,islink)"
      "VALUES(%d,0,0,0,%Q,%d,%d)",
      vid, zPath, file_isexe(zFullname), file_islink(zFullname));
    fossil_free(zFullname);
  }
  if( db_changes() ){
    fossil_print("ADDED  %s\n", zPath);
    return 1;
  }else{
    fossil_print("SKIP   %s\n", zPath);

Changes to src/export.c. 

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    );
    while( db_step(&q4)==SQLITE_ROW ){
      const char *zName = db_column_text(&q4,0);
      int zNew = db_column_int(&q4,1);
      int mPerm = db_column_int(&q4,2);
      if( zNew==0)
        printf("D %s\n", zName);
      else if( bag_find(&blobs, zNew) )







        printf("M %s :%d %s\n", mPerm ? "100755" : "100644", BLOBMARK(zNew), zName);

    }
    db_finalize(&q4);
    db_finalize(&q3);
    printf("\n");
  }
  db_finalize(&q2);
  db_finalize(&q);








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    );
    while( db_step(&q4)==SQLITE_ROW ){
      const char *zName = db_column_text(&q4,0);
      int zNew = db_column_int(&q4,1);
      int mPerm = db_column_int(&q4,2);
      if( zNew==0)
        printf("D %s\n", zName);
      else if( bag_find(&blobs, zNew) ) {
        const char *zPerm;
        if( mPerm==1 )
          zPerm = "100755";
        else if( mPerm==2 )
          zPerm = "120000";
        else
          zPerm = "100644";
        printf("M %s :%d %s\n", zPerm, BLOBMARK(zNew), zName);
      }
    }
    db_finalize(&q4);
    db_finalize(&q3);
    printf("\n");
  }
  db_finalize(&q2);
  db_finalize(&q);

Changes to src/file.c. 

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#  endif
  return ((S_IXUSR)&fileStat.st_mode)!=0;
#else
  return ((S_IXUSR|S_IXGRP|S_IXOTH)&fileStat.st_mode)!=0;
#endif
}

















/*
** Return 1 if zFilename is a directory.  Return 0 if zFilename
** does not exist.  Return 2 if zFilename exists but is something
** other than a directory.
*/
int file_isdir(const char *zFilename){








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#  endif
  return ((S_IXUSR)&fileStat.st_mode)!=0;
#else
  return ((S_IXUSR|S_IXGRP|S_IXOTH)&fileStat.st_mode)!=0;
#endif
}


/*
** Return file "permissions":
** 0: normal
** 1: exec
** 2: symlink
*/
int file_perm(const char *zFilename){
  //TODO(dchest): optimize by calling stat once.
  if( file_isexe(zFilename) )
    return 1;
  if( file_islink(zFilename) )
    return 2;
  return 0;
}

/*
** Return 1 if zFilename is a directory.  Return 0 if zFilename
** does not exist.  Return 2 if zFilename exists but is something
** other than a directory.
*/
int file_isdir(const char *zFilename){

Changes to src/info.c. 

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*/
static void append_file_change_line(
  const char *zName,    /* Name of the file that has changed */
  const char *zOld,     /* blob.uuid before change.  NULL for added files */
  const char *zNew,     /* blob.uuid after change.  NULL for deletes */
  const char *zOldName, /* Prior name.  NULL if no name change. */
  int showDiff,         /* Show edit diffs if true */
  int mperm             /* EXE permission for zNew */
){
  if( !g.okHistory ){
    if( zNew==0 ){
      @ <p>Deleted %h(zName)</p>
    }else if( zOld==0 ){
      @ <p>Added %h(zName)</p>
    }else if( zOldName!=0 && fossil_strcmp(zName,zOldName)!=0 ){
      @ <p>Name change from %h(zOldName) to %h(zName)
    }else if( fossil_strcmp(zNew, zOld)==0 ){
      @ <p>Execute permission %s(mperm?"set":"cleared") for %h(zName)</p>
    }else{
      @ <p>Changes to %h(zName)</p>
    }
    if( showDiff ){
      @ <blockquote><pre>
      append_diff(zOld, zNew);
      @ </pre></blockquote>
................................................................................
        @ from <a href="%s(g.zTop)/artifact/%s(zOld)">[%S(zOld)]</a>
        @ to <a href="%s(g.zTop)/artifact/%s(zNew)">[%S(zNew)].</a>
      }else if( zOldName!=0 && fossil_strcmp(zName,zOldName)!=0 ){
        @ <p>Name change from
        @ from <a href="%s(g.zTop)/finfo?name=%T(zOldName)">%h(zOldName)</a>
        @ to <a href="%s(g.zTop)/finfo?name=%T(zName)">%h(zName)</a>.
      }else{
        @ <p>Execute permission %s(mperm?"set":"cleared") for
        @ <a href="%s(g.zTop)/finfo?name=%T(zName)">%h(zName)</a>
      }
    }else if( zOld ){
      @ <p>Deleted <a href="%s(g.zTop)/finfo?name=%T(zName)">%h(zName)</a>
      @ version <a href="%s(g.zTop)/artifact/%s(zOld)">[%S(zOld)]</a>
    }else{
      @ <p>Added <a href="%s(g.zTop)/finfo?name=%T(zName)">%h(zName)</a>








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*/
static void append_file_change_line(
  const char *zName,    /* Name of the file that has changed */
  const char *zOld,     /* blob.uuid before change.  NULL for added files */
  const char *zNew,     /* blob.uuid after change.  NULL for deletes */
  const char *zOldName, /* Prior name.  NULL if no name change. */
  int showDiff,         /* Show edit diffs if true */
  int mperm             /* executable or symlink permission for zNew */
){
  if( !g.okHistory ){
    if( zNew==0 ){
      @ <p>Deleted %h(zName)</p>
    }else if( zOld==0 ){
      @ <p>Added %h(zName)</p>
    }else if( zOldName!=0 && fossil_strcmp(zName,zOldName)!=0 ){
      @ <p>Name change from %h(zOldName) to %h(zName)
    }else if( fossil_strcmp(zNew, zOld)==0 ){
      @ <p>Execute permission %s(( mperm==1 )?"set":"cleared") for %h(zName)</p>
    }else{
      @ <p>Changes to %h(zName)</p>
    }
    if( showDiff ){
      @ <blockquote><pre>
      append_diff(zOld, zNew);
      @ </pre></blockquote>
................................................................................
        @ from <a href="%s(g.zTop)/artifact/%s(zOld)">[%S(zOld)]</a>
        @ to <a href="%s(g.zTop)/artifact/%s(zNew)">[%S(zNew)].</a>
      }else if( zOldName!=0 && fossil_strcmp(zName,zOldName)!=0 ){
        @ <p>Name change from
        @ from <a href="%s(g.zTop)/finfo?name=%T(zOldName)">%h(zOldName)</a>
        @ to <a href="%s(g.zTop)/finfo?name=%T(zName)">%h(zName)</a>.
      }else{
        @ <p>Execute permission %s(( mperm==1 )?"set":"cleared") for
        @ <a href="%s(g.zTop)/finfo?name=%T(zName)">%h(zName)</a>
      }
    }else if( zOld ){
      @ <p>Deleted <a href="%s(g.zTop)/finfo?name=%T(zName)">%h(zName)</a>
      @ version <a href="%s(g.zTop)/artifact/%s(zOld)">[%S(zOld)]</a>
    }else{
      @ <p>Added <a href="%s(g.zTop)/finfo?name=%T(zName)">%h(zName)</a>

Changes to src/manifest.c. 

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/*
** Compute an appropriate mlink.mperm integer for the permission string
** of a file.
*/
int manifest_file_mperm(ManifestFile *pFile){
  int mperm = 0;

  if( pFile && pFile->zPerm && strstr(pFile->zPerm,"x")!=0 ){
    mperm = 1;


  }
  return mperm;
}

/*
** Add a single entry to the mlink table.  Also add the filename to
** the filename table if it is not there already.
................................................................................
static void add_one_mlink(
  int mid,                  /* The record ID of the manifest */
  const char *zFromUuid,    /* UUID for the mlink.pid. "" to add file */
  const char *zToUuid,      /* UUID for the mlink.fid. "" to delele */
  const char *zFilename,    /* Filename */
  const char *zPrior,       /* Previous filename. NULL if unchanged */
  int isPublic,             /* True if mid is not a private manifest */
  int mperm                 /* 1: exec */
){
  int fnid, pfnid, pid, fid;
  static Stmt s1;

  fnid = filename_to_fnid(zFilename);
  if( zPrior==0 ){
    pfnid = 0;








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/*
** Compute an appropriate mlink.mperm integer for the permission string
** of a file.
*/
int manifest_file_mperm(ManifestFile *pFile){
  int mperm = 0;
  if( pFile && pFile->zPerm){
    if( strstr(pFile->zPerm,"x")!=0 )
      mperm = 1;
    else if( strstr(pFile->zPerm,"l")!=0 )
      mperm = 2;
  }
  return mperm;
}

/*
** Add a single entry to the mlink table.  Also add the filename to
** the filename table if it is not there already.
................................................................................
static void add_one_mlink(
  int mid,                  /* The record ID of the manifest */
  const char *zFromUuid,    /* UUID for the mlink.pid. "" to add file */
  const char *zToUuid,      /* UUID for the mlink.fid. "" to delele */
  const char *zFilename,    /* Filename */
  const char *zPrior,       /* Previous filename. NULL if unchanged */
  int isPublic,             /* True if mid is not a private manifest */
  int mperm                 /* 1: exec, 2: symlink */
){
  int fnid, pfnid, pid, fid;
  static Stmt s1;

  fnid = filename_to_fnid(zFilename);
  if( zPrior==0 ){
    pfnid = 0;

Changes to src/update.c. 

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  }
  pManifest = manifest_get(rid, CFTYPE_MANIFEST);
  
  if( pManifest ){
    pFile = manifest_file_seek(pManifest, file);
    if( pFile ){
      rid = uuid_to_rid(pFile->zUuid, 0);
      if( pIsExe ) *pIsExe = manifest_file_mperm(pFile);
      if( pIsLink ){
	//TODO(dchest): figure out how to fit manifest_file_mperm.
	*pIsLink = pFile->zPerm && strstr(pFile->zPerm, "l") ? 1 : 0;
      }
      manifest_destroy(pManifest);
      return content_get(rid, content);
    }
    manifest_destroy(pManifest);
    if( errCode<=0 ){
      fossil_fatal("file %s does not exist in checkin: %s", file, revision);
    }








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  }
  pManifest = manifest_get(rid, CFTYPE_MANIFEST);
  
  if( pManifest ){
    pFile = manifest_file_seek(pManifest, file);
    if( pFile ){
      rid = uuid_to_rid(pFile->zUuid, 0);
      if( pIsExe ) *pIsExe = ( manifest_file_mperm(pFile)==1 );
      if( pIsLink ) *pIsLink = ( manifest_file_mperm(pFile)==2 );



      manifest_destroy(pManifest);
      return content_get(rid, content);
    }
    manifest_destroy(pManifest);
    if( errCode<=0 ){
      fossil_fatal("file %s does not exist in checkin: %s", file, revision);
    }

Changes to src/vfile.c. 

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      size = 0;
    }
    db_reset(&ridq);
    if( rid==0 || size<0 ){
      fossil_warning("content missing for %s", pFile->zName);
      continue;
    }
    db_bind_int(&ins, ":isexe", manifest_file_mperm(pFile));
    db_bind_int(&ins, ":id", rid);
    db_bind_text(&ins, ":name", pFile->zName);
    //TODO(dchest) figure out how to fit manifest_file_mperm here:
    db_bind_int(&ins, ":islink", pFile->zPerm && strstr(pFile->zPerm, "l"));
    db_step(&ins);
    db_reset(&ins);
  }
  db_finalize(&ridq);
  db_finalize(&ins);
  manifest_destroy(p);
  db_end_transaction(0);








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      size = 0;
    }
    db_reset(&ridq);
    if( rid==0 || size<0 ){
      fossil_warning("content missing for %s", pFile->zName);
      continue;
    }
    db_bind_int(&ins, ":isexe", ( manifest_file_mperm(pFile)==1 ));
    db_bind_int(&ins, ":id", rid);
    db_bind_text(&ins, ":name", pFile->zName);

    db_bind_int(&ins, ":islink", ( manifest_file_mperm(pFile)==2 ));
    db_step(&ins);
    db_reset(&ins);
  }
  db_finalize(&ridq);
  db_finalize(&ins);
  manifest_destroy(p);
  db_end_transaction(0);

Changes to src/zip.c. 

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/*
** Append a single file to a growing ZIP archive.
**
** pFile is the file to be appended.  zName is the name
** that the file should be saved as.
*/
void zip_add_file(const char *zName, const Blob *pFile, int isExe){
  z_stream stream;
  int nameLen;
  int toOut = 0;
  int iStart;
  int iCRC = 0;
  int nByte = 0;
  int nByteCompr = 0;
................................................................................
  char zOutBuf[100000];

  /* Fill in as much of the header as we know.
  */
  nBlob = pFile ? blob_size(pFile) : 0;
  if( nBlob>0 ){
    iMethod = 8;
    iMode =  isExe ? 0100755 : 0100644;
  }else{
    iMethod = 0;
    iMode = 040755;
  }
  nameLen = strlen(zName);
  memset(zHdr, 0, sizeof(zHdr));
  put32(&zHdr[0], 0x04034b50);
................................................................................
  if( g.argc<3 ){
    usage("ARCHIVE FILE....");
  }
  zip_open();
  for(i=3; i<g.argc; i++){
    blob_zero(&file);
    blob_read_from_file(&file, g.argv[i]);
    zip_add_file(g.argv[i], &file, file_isexe(g.argv[i]));
    blob_reset(&file);
  }
  zip_close(&zip);
  blob_write_to_file(&zip, g.argv[2]);
}

/*








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/*
** Append a single file to a growing ZIP archive.
**
** pFile is the file to be appended.  zName is the name
** that the file should be saved as.
*/
void zip_add_file(const char *zName, const Blob *pFile, int mPerm){
  z_stream stream;
  int nameLen;
  int toOut = 0;
  int iStart;
  int iCRC = 0;
  int nByte = 0;
  int nByteCompr = 0;
................................................................................
  char zOutBuf[100000];

  /* Fill in as much of the header as we know.
  */
  nBlob = pFile ? blob_size(pFile) : 0;
  if( nBlob>0 ){
    iMethod = 8;
    iMode = ( mPerm == 1 ) ? 0100755 : 0100644; //TODO(dchest): handle links
  }else{
    iMethod = 0;
    iMode = 040755;
  }
  nameLen = strlen(zName);
  memset(zHdr, 0, sizeof(zHdr));
  put32(&zHdr[0], 0x04034b50);
................................................................................
  if( g.argc<3 ){
    usage("ARCHIVE FILE....");
  }
  zip_open();
  for(i=3; i<g.argc; i++){
    blob_zero(&file);
    blob_read_from_file(&file, g.argv[i]);
    zip_add_file(g.argv[i], &file, file_perm(g.argv[i]));
    blob_reset(&file);
  }
  zip_close(&zip);
  blob_write_to_file(&zip, g.argv[2]);
}

/*

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