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Comment:Add the "fossil branch current" command. Also rearrange the code and the help text for the "fossil branch" command so that the various subcommands are in alphabetical order.
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SHA3-256:3b0a1f4e1e4e9a4eaa41ae132e2ef66ebae9489a1676f7a22aacc727608574ed
User & Date: drh 2018-09-18 15:50:30
Context
2018-09-18
15:53
Add the "fossil branch current" command to the 2.7 change log. check-in: fc977f14 user: drh tags: trunk
15:50
Add the "fossil branch current" command. Also rearrange the code and the help text for the "fossil branch" command so that the various subcommands are in alphabetical order. check-in: 3b0a1f4e user: drh tags: trunk
2018-09-17
09:47
Wiki markup fixes in the recent edits to the www/forum.wiki doc check-in: 07943152 user: wyoung tags: trunk
Changes
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Changes to src/branch.c.

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** COMMAND: branch
**
** Usage: %fossil branch SUBCOMMAND ... ?OPTIONS?
**
** Run various subcommands to manage branches of the open repository or
** of the repository identified by the -R or --repository option.
**














**    fossil branch new BRANCH-NAME BASIS ?OPTIONS?
**
**        Create a new branch BRANCH-NAME off of check-in BASIS.
**        Supported options for this subcommand include:
**        --private             branch is private (i.e., remains local)
**        --bgcolor COLOR       use COLOR instead of automatic background
**        --nosign              do not sign contents on this branch
................................................................................
**
**        DATE may be "now" or "YYYY-MM-DDTHH:MM:SS.SSS". If in
**        year-month-day form, it may be truncated, the "T" may be
**        replaced by a space, and it may also name a timezone offset
**        from UTC as "-HH:MM" (westward) or "+HH:MM" (eastward).
**        Either no timezone suffix or "Z" means UTC.
**
**    fossil branch list|ls ?-a|--all|-c|--closed?

**
**        List all branches.  Use -a or --all to list all branches and
**        -c or --closed to list all closed branches.  The default is to
**        show only open branches.
**
**    fossil branch info BRANCH-NAME

**
**        Print information about a branch
**
** Options:
**    -R|--repository FILE       Run commands on repository FILE
*/
void branch_cmd(void){
  int n;
  const char *zCmd = "list";
  db_find_and_open_repository(0, 0);
  if( g.argc>=3 ) zCmd = g.argv[2];
  n = strlen(zCmd);
  if( strncmp(zCmd,"new",n)==0 ){
    branch_new();























  }else if( (strncmp(zCmd,"list",n)==0)||(strncmp(zCmd, "ls", n)==0) ){
    Stmt q;
    int vid;
    char *zCurrent = 0;
    int brFlags = BRL_OPEN_ONLY;
    if( find_option("all","a",0)!=0 ) brFlags = BRL_BOTH;
    if( find_option("closed","c",0)!=0 ) brFlags = BRL_CLOSED_ONLY;
................................................................................
    branch_prepare_list_query(&q, brFlags);
    while( db_step(&q)==SQLITE_ROW ){
      const char *zBr = db_column_text(&q, 0);
      int isCur = zCurrent!=0 && fossil_strcmp(zCurrent,zBr)==0;
      fossil_print("%s%s\n", (isCur ? "* " : "  "), zBr);
    }
    db_finalize(&q);
  }else if( strncmp(zCmd,"info",n)==0 ){
    int i;
    for(i=3; i<g.argc; i++){
      const char *zBrName = g.argv[i];
      int rid = branch_is_open(zBrName);
      if( rid==0 ){
        fossil_print("%s: not an open branch\n", zBrName);
      }else{
        const char *zUuid = db_text(0,"SELECT uuid FROM blob WHERE rid=%d",rid);
        const char *zDate = db_text(0,
          "SELECT datetime(mtime,toLocal()) FROM event"
          " WHERE objid=%d", rid);
        fossil_print("%s: open as of %s on %.16s\n", zBrName, zDate, zUuid);
      }
    }
  }else{
    fossil_fatal("branch subcommand should be one of: "
                 "info list ls new");
  }
}

static const char brlistQuery[] =
@ SELECT
@   tagxref.value,
@   max(event.mtime),







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** COMMAND: branch
**
** Usage: %fossil branch SUBCOMMAND ... ?OPTIONS?
**
** Run various subcommands to manage branches of the open repository or
** of the repository identified by the -R or --repository option.
**
**    fossil branch current
**
**        Print the name of the branch for the current check-out
**
**    fossil branch info BRANCH-NAME
**
**        Print information about a branch
**
**    fossil branch list|ls ?-a|--all|-c|--closed?
**
**        List all branches.  Use -a or --all to list all branches and
**        -c or --closed to list all closed branches.  The default is to
**        show only open branches.
**
**    fossil branch new BRANCH-NAME BASIS ?OPTIONS?
**
**        Create a new branch BRANCH-NAME off of check-in BASIS.
**        Supported options for this subcommand include:
**        --private             branch is private (i.e., remains local)
**        --bgcolor COLOR       use COLOR instead of automatic background
**        --nosign              do not sign contents on this branch
................................................................................
**
**        DATE may be "now" or "YYYY-MM-DDTHH:MM:SS.SSS". If in
**        year-month-day form, it may be truncated, the "T" may be
**        replaced by a space, and it may also name a timezone offset
**        from UTC as "-HH:MM" (westward) or "+HH:MM" (eastward).
**        Either no timezone suffix or "Z" means UTC.
**
** Options:
**    -R|--repository FILE       Run commands on repository FILE
**

** Summary:
**    fossil branch current

**    fossil branch info BRANCHNAME
**    fossil branch [list|ls]
**    fossil branch new




*/
void branch_cmd(void){
  int n;
  const char *zCmd = "list";
  db_find_and_open_repository(0, 0);
  if( g.argc>=3 ) zCmd = g.argv[2];
  n = strlen(zCmd);
  if( strncmp(zCmd,"current",n)==0 ){
    if( !g.localOpen ){
      fossil_fatal("not within an open checkout");
    }else{
      int vid = db_lget_int("checkout", 0);
      char *zCurrent = db_text(0, "SELECT value FROM tagxref"
                            " WHERE rid=%d AND tagid=%d", vid, TAG_BRANCH);
      fossil_print("%s\n", zCurrent);
      fossil_free(zCurrent);
    }
  }else if( strncmp(zCmd,"info",n)==0 ){
    int i;
    for(i=3; i<g.argc; i++){
      const char *zBrName = g.argv[i];
      int rid = branch_is_open(zBrName);
      if( rid==0 ){
        fossil_print("%s: not an open branch\n", zBrName);
      }else{
        const char *zUuid = db_text(0,"SELECT uuid FROM blob WHERE rid=%d",rid);
        const char *zDate = db_text(0,
          "SELECT datetime(mtime,toLocal()) FROM event"
          " WHERE objid=%d", rid);
        fossil_print("%s: open as of %s on %.16s\n", zBrName, zDate, zUuid);
      }
    }
  }else if( (strncmp(zCmd,"list",n)==0)||(strncmp(zCmd, "ls", n)==0) ){
    Stmt q;
    int vid;
    char *zCurrent = 0;
    int brFlags = BRL_OPEN_ONLY;
    if( find_option("all","a",0)!=0 ) brFlags = BRL_BOTH;
    if( find_option("closed","c",0)!=0 ) brFlags = BRL_CLOSED_ONLY;
................................................................................
    branch_prepare_list_query(&q, brFlags);
    while( db_step(&q)==SQLITE_ROW ){
      const char *zBr = db_column_text(&q, 0);
      int isCur = zCurrent!=0 && fossil_strcmp(zCurrent,zBr)==0;
      fossil_print("%s%s\n", (isCur ? "* " : "  "), zBr);
    }
    db_finalize(&q);
  }else if( strncmp(zCmd,"new",n)==0 ){
    branch_new();





  }else{








    fossil_fatal("branch subcommand should be one of: "
                 "current info list ls new");
  }
}

static const char brlistQuery[] =
@ SELECT
@   tagxref.value,
@   max(event.mtime),