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Overview
Comment:Add the --binary option to the "merge" command and a new "binary-glob" setting. These identify files that should be treated as binary files and which should not be subjected to a 3-way merge.
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SHA1: d327f12522c7afd718c7b752ed5eb7d3d10f7249
User & Date: drh 2010-03-15 18:09:35
Context
2010-03-15
20:54
Add a new form of ticket timeline that shows only the check-ins associated with the ticket. check-in: dec13648 user: drh tags: trunk
18:09
Add the --binary option to the "merge" command and a new "binary-glob" setting. These identify files that should be treated as binary files and which should not be subjected to a 3-way merge. check-in: d327f125 user: drh tags: trunk
17:41
Add a --ignore option to the "extra" command, and an "ignore-glob" setting which causes files with given patterns to be ignored. Tickets [705181a992c] and [5125de2e624]. See also ticket [4e8410bfd69]. check-in: 3555c0fc user: drh tags: trunk
Changes
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Changes to src/db.c.

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**                     which uses JavaScript to fill out the captcha for
**                     the "anonymous" user. (Most bots cannot use JavaScript.)
**
**    autosync         If enabled, automatically pull prior to commit
**                     or update and automatically push after commit or
**                     tag or branch creation.  If the the value is "pullonly"
**                     then only pull operations occur automatically.




**
**    clearsign        When enabled, fossil will attempt to sign all commits
**                     with gpg.  When disabled (the default), commits will
**                     be unsigned.
**
**    diff-command     External command to run when performing a diff.
**                     If undefined, the internal text diff will be used.
................................................................................
**                     Defaults to "start" on windows, "open" on Mac,
**                     and "firefox" on Unix.
*/
void setting_cmd(void){
  static const char *azName[] = {
    "auto-captcha",
    "autosync",

    "clearsign",
    "diff-command",
    "dont-push",
    "editor",
    "gdiff-command",
    "ignore-glob",
    "http-port",







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**                     which uses JavaScript to fill out the captcha for
**                     the "anonymous" user. (Most bots cannot use JavaScript.)
**
**    autosync         If enabled, automatically pull prior to commit
**                     or update and automatically push after commit or
**                     tag or branch creation.  If the the value is "pullonly"
**                     then only pull operations occur automatically.
**
**    binary-glob      The VALUE is a comma-separated list of GLOB patterns
**                     that should be treated as binary files for merging
**                     purposes.  Example:   *.xml
**
**    clearsign        When enabled, fossil will attempt to sign all commits
**                     with gpg.  When disabled (the default), commits will
**                     be unsigned.
**
**    diff-command     External command to run when performing a diff.
**                     If undefined, the internal text diff will be used.
................................................................................
**                     Defaults to "start" on windows, "open" on Mac,
**                     and "firefox" on Unix.
*/
void setting_cmd(void){
  static const char *azName[] = {
    "auto-captcha",
    "autosync",
    "binary-glob",
    "clearsign",
    "diff-command",
    "dont-push",
    "editor",
    "gdiff-command",
    "ignore-glob",
    "http-port",

Changes to src/merge.c.

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** single check-in VERSION are merged.  The --backout option causes
** the changes associated with VERSION to be removed from the current
** checkout rather than added.
**
** Only file content is merged.  The result continues to use the
** file and directory names from the current checkout even if those
** names might have been changed in the branch being merged in.








*/
void merge_cmd(void){
  int vid;              /* Current version */
  int mid;              /* Version we are merging against */
  int pid;              /* The pivot version - most recent common ancestor */
  int detailFlag;       /* True if the --detail option is present */
  int pickFlag;         /* True if the --cherrypick option is present */
  int backoutFlag;      /* True if the --backout optioni is present */

  Stmt q;

  detailFlag = find_option("detail",0,0)!=0;
  pickFlag = find_option("cherrypick",0,0)!=0;
  backoutFlag = find_option("backout",0,0)!=0;

  if( g.argc!=3 ){
    usage("VERSION");
  }
  db_must_be_within_tree();

  vid = db_lget_int("checkout", 0);
  if( vid==0 ){
    fossil_fatal("nothing is checked out");
  }
  mid = name_to_rid(g.argv[2]);
  if( mid==0 ){
    fossil_fatal("not a version: %s", g.argv[2]);
................................................................................
  }
  db_finalize(&q);

  /*
  ** Do a three-way merge on files that have changes pid->mid and pid->vid
  */
  db_prepare(&q,
    "SELECT ridm, idv, ridp, ridv FROM fv"
    " WHERE idp>0 AND idv>0 AND idm>0"
    "   AND ridm!=ridp AND (ridv!=ridp OR chnged)"

  );
  while( db_step(&q)==SQLITE_ROW ){
    int ridm = db_column_int(&q, 0);
    int idv = db_column_int(&q, 1);
    int ridp = db_column_int(&q, 2);
    int ridv = db_column_int(&q, 3);

    int rc;
    char *zName = db_text(0, "SELECT pathname FROM vfile WHERE id=%d", idv);
    char *zFullPath;
    Blob m, p, v, r;
    /* Do a 3-way merge of idp->idm into idp->idv.  The results go into idv. */
    if( detailFlag ){
      printf("MERGE %s  (pivot=%d v1=%d v2=%d)\n", zName, ridp, ridm, ridv);
................................................................................
    }
    undo_save(zName);
    zFullPath = mprintf("%s/%s", g.zLocalRoot, zName);
    content_get(ridp, &p);
    content_get(ridm, &m);
    blob_zero(&v);
    blob_read_from_file(&v, zFullPath);




    rc = blob_merge(&p, &m, &v, &r);

    if( rc>=0 ){
      blob_write_to_file(&r, zFullPath);
      if( rc>0 ){
        printf("***** %d merge conflicts in %s\n", rc, zName);
      }
    }else{
      printf("***** Cannot merge binary file %s\n", zName);







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** single check-in VERSION are merged.  The --backout option causes
** the changes associated with VERSION to be removed from the current
** checkout rather than added.
**
** Only file content is merged.  The result continues to use the
** file and directory names from the current checkout even if those
** names might have been changed in the branch being merged in.
**
** Other options:
**
**   --detail                Show additional details of the merge
**
**   --binary GLOBPATTERN    Treat files that match GLOBPATTERN as binary
**                           and do not try to merge parallel changes.  This
**                           option overrides the "binary-glob" setting.
*/
void merge_cmd(void){
  int vid;              /* Current version */
  int mid;              /* Version we are merging against */
  int pid;              /* The pivot version - most recent common ancestor */
  int detailFlag;       /* True if the --detail option is present */
  int pickFlag;         /* True if the --cherrypick option is present */
  int backoutFlag;      /* True if the --backout optioni is present */
  const char *zBinGlob; /* The value of --binary */
  Stmt q;

  detailFlag = find_option("detail",0,0)!=0;
  pickFlag = find_option("cherrypick",0,0)!=0;
  backoutFlag = find_option("backout",0,0)!=0;
  zBinGlob = find_option("binary",0,1);
  if( g.argc!=3 ){
    usage("VERSION");
  }
  db_must_be_within_tree();
  if( zBinGlob==0 ) zBinGlob = db_get("binary-glob",0);
  vid = db_lget_int("checkout", 0);
  if( vid==0 ){
    fossil_fatal("nothing is checked out");
  }
  mid = name_to_rid(g.argv[2]);
  if( mid==0 ){
    fossil_fatal("not a version: %s", g.argv[2]);
................................................................................
  }
  db_finalize(&q);

  /*
  ** Do a three-way merge on files that have changes pid->mid and pid->vid
  */
  db_prepare(&q,
    "SELECT ridm, idv, ridp, ridv, %s FROM fv"
    " WHERE idp>0 AND idv>0 AND idm>0"
    "   AND ridm!=ridp AND (ridv!=ridp OR chnged)",
    glob_expr("fv.fn", zBinGlob)
  );
  while( db_step(&q)==SQLITE_ROW ){
    int ridm = db_column_int(&q, 0);
    int idv = db_column_int(&q, 1);
    int ridp = db_column_int(&q, 2);
    int ridv = db_column_int(&q, 3);
    int isBinary = db_column_int(&q, 4);
    int rc;
    char *zName = db_text(0, "SELECT pathname FROM vfile WHERE id=%d", idv);
    char *zFullPath;
    Blob m, p, v, r;
    /* Do a 3-way merge of idp->idm into idp->idv.  The results go into idv. */
    if( detailFlag ){
      printf("MERGE %s  (pivot=%d v1=%d v2=%d)\n", zName, ridp, ridm, ridv);
................................................................................
    }
    undo_save(zName);
    zFullPath = mprintf("%s/%s", g.zLocalRoot, zName);
    content_get(ridp, &p);
    content_get(ridm, &m);
    blob_zero(&v);
    blob_read_from_file(&v, zFullPath);
    if( isBinary ){
      rc = -1;
      blob_zero(&r);
    }else{
      rc = blob_merge(&p, &m, &v, &r);
    }
    if( rc>=0 ){
      blob_write_to_file(&r, zFullPath);
      if( rc>0 ){
        printf("***** %d merge conflicts in %s\n", rc, zName);
      }
    }else{
      printf("***** Cannot merge binary file %s\n", zName);