}
    return 0;
  }
  while( fossil_isspace(zB[0]) ) zB++;
  while( fossil_isspace(zA[0]) ) zA++;
  return zA[0]==0 && zB[0]==0;
}

/*
** The following methods operate on the newtags temporary table
** that is used to collect various changes to be added to a control
** artifact for a check-in edit.
*/
static void init_newtags(void){
  db_multi_exec("CREATE TEMP TABLE newtags(tag UNIQUE, prefix, value)");
}

static void change_special(
  const char *zName,    /* Name of the special tag */
  const char *zOp,      /* Operation prefix (e.g. +,-,*) */
  const char *zValue    /* Value of the tag */
){
  db_multi_exec("REPLACE INTO newtags VALUES(%Q,'%q',%Q)", zName, zOp, zValue);
}

static void change_sym_tag(const char *zTag, const char *zOp){
  db_multi_exec("REPLACE INTO newtags VALUES('sym-%q',%Q,NULL)", zTag, zOp);
}

static void cancel_special(const char *zTag){
  change_special(zTag,"-",0);
}

static void add_color(const char *zNewColor, int fPropagateColor){
  change_special("bgcolor",fPropagateColor ? "*" : "+", zNewColor);
}

static void cancel_color(void){
  change_special("bgcolor","-",0);
}

static void add_comment(const char *zNewComment){
  change_special("comment","+",zNewComment);
}

static void add_date(const char *zNewDate){
  change_special("date","+",zNewDate);
}

static void add_user(const char *zNewUser){
  change_special("user","+",zNewUser);
}

static void add_tag(const char *zNewTag){
  change_sym_tag(zNewTag,"+");
}

static void cancel_tag(int rid, const char *zCancelTag){
  if( db_exists("SELECT 1 FROM tagxref, tag"
                " WHERE tagxref.rid=%d AND tagtype>0"
                "   AND tagxref.tagid=tag.tagid AND tagname='sym-%q'",
                rid, zCancelTag)
  ) change_sym_tag(zCancelTag,"-");
}

static void hide_branch(void){
  change_special("hidden","*",0);
}

static void close_leaf(int rid){
  change_special("closed",is_a_leaf(rid)?"+":"*",0);
}

static void change_branch(int rid, const char *zNewBranch){
  db_multi_exec(
    "REPLACE INTO newtags "
    " SELECT tagname, '-', NULL FROM tagxref, tag"
    "  WHERE tagxref.rid=%d AND tagtype==2"
    "    AND tagname GLOB 'sym-*'"
    "    AND tag.tagid=tagxref.tagid",
    rid
  );
  change_special("branch","*",zNewBranch);
  change_sym_tag(zNewBranch,"*");
}

/*
** The apply_newtags method is called after all newtags have been added
** and the control artifact is completed and then written to the DB.
*/
static void apply_newtags(Blob *ctrl, int rid, const char *zUuid){
  Stmt q;
  int nChng = 0;

  db_prepare(&q, "SELECT tag, prefix, value FROM newtags"
                 " ORDER BY prefix || tag");
  while( db_step(&q)==SQLITE_ROW ){
    const char *zTag = db_column_text(&q, 0);
    const char *zPrefix = db_column_text(&q, 1);
    const char *zValue = db_column_text(&q, 2);
    nChng++;
    if( zValue ){
      blob_appendf(ctrl, "T %s%F %s %F\n", zPrefix, zTag, zUuid, zValue);
    }else{
      blob_appendf(ctrl, "T %s%F %s\n", zPrefix, zTag, zUuid);
    }
  }
  db_finalize(&q);
  if( nChng>0 ){
    int nrid;
    Blob cksum;
    blob_appendf(ctrl, "U %F\n", login_name());
    md5sum_blob(ctrl, &cksum);
    blob_appendf(ctrl, "Z %b\n", &cksum);
    db_begin_transaction();
    g.markPrivate = content_is_private(rid);
    nrid = content_put(ctrl);
    manifest_crosslink(nrid, ctrl, MC_PERMIT_HOOKS);
    assert( blob_is_reset(ctrl) );
    db_end_transaction(0);
  }
}

/*
** This method checks that the date can be parsed.
** Returns 1 if datetime() can validate, 0 otherwise.
*/
int is_datetime(const char* zDate){
  return db_int(0, "SELECT datetime(%Q) NOT NULL", zDate);
}

/*
** WEBPAGE: ci_edit
** URL:  /ci_edit?r=RID&c=NEWCOMMENT&u=NEWUSER
**
** Present a dialog for updating properties of a check-in.
**

    char *zNow;
    int nChng = 0;

    login_verify_csrf_secret();
    blob_zero(&ctrl);
    zNow = date_in_standard_format(zChngTime ? zChngTime : "now");
    blob_appendf(&ctrl, "D %s\n", zNow);
    init_newtags();
    if( zNewColor[0]
     && (fPropagateColor!=fNewPropagateColor
             || fossil_strcmp(zColor,zNewColor)!=0)


    ) add_color(zNewColor,fNewPropagateColor);





    if( zNewColor[0]==0 && zColor[0]!=0 ) cancel_color();


    if( comment_compare(zComment,zNewComment)==0 ) add_comment(zNewComment);



    if( fossil_strcmp(zDate,zNewDate)!=0 ) add_date(zNewDate);



    if( fossil_strcmp(zUser,zNewUser)!=0 ) add_user(zNewUser);


    db_prepare(&q,
       "SELECT tag.tagid, tagname FROM tagxref, tag"
       " WHERE tagxref.rid=%d AND tagtype>0 AND tagxref.tagid=tag.tagid",
       rid
    );
    while( db_step(&q)==SQLITE_ROW ){
      int tagid = db_column_int(&q, 0);
      const char *zTag = db_column_text(&q, 1);
      char zLabel[30];
      sqlite3_snprintf(sizeof(zLabel), zLabel, "c%d", tagid);
      if( P(zLabel) ) cancel_special(zTag);

    }

    db_finalize(&q);
    if( zHideFlag[0] ) hide_branch();


    if( zCloseFlag[0] ) close_leaf(rid);



    if( zNewTagFlag[0] && zNewTag[0] ) add_tag(zNewTag);


    if( zNewBrFlag[0] && zNewBranch[0] ) change_branch(rid,zNewBranch);






























    apply_newtags(&ctrl, rid, zUuid);








    cgi_redirectf("ci?name=%s", zUuid);
  }
  blob_zero(&comment);
  blob_append(&comment, zNewComment, -1);
  zUuid[10] = 0;
  style_header("Edit Check-in [%s]", zUuid);
  /*

  @ <input type="submit" name="apply" value="Apply Changes" />
  @ <input type="submit" name="cancel" value="Cancel" />
  @ </td></tr>
  @ </table>
  @ </div></form>
  style_footer();
}

/*
** Prepare an ammended commit comment.  Let the user modify it using the
** editor specified in the global_config table or either
** the VISUAL or EDITOR environment variable.
**
** Store the final commit comment in pComment.  pComment is assumed
** to be uninitialized - any prior content is overwritten.
**
** Use zInit to initialize the check-in comment so that the user does
** not have to retype.
*/
static void prepare_amend_comment(
  Blob *pComment,
  const char *zInit,
  const char *zUuid
){
  Blob prompt;
#if defined(_WIN32) || defined(__CYGWIN__)
  int bomSize;
  const unsigned char *bom = get_utf8_bom(&bomSize);
  blob_init(&prompt, (const char *) bom, bomSize);
  if( zInit && zInit[0]){
    blob_append(&prompt, zInit, -1);
  }
#else
  blob_init(&prompt, zInit, -1);
#endif
  blob_append(&prompt, "\n# Enter a new comment for check-in ", -1);
  if( zUuid && zUuid[0] ){
    blob_append(&prompt, zUuid, -1);
  }
  blob_append(&prompt, ".\n# Lines beginning with a # are ignored.\n", -1);
  prompt_for_user_comment(pComment, &prompt);
  blob_reset(&prompt);
}

#define AMEND_USAGE_STMT "UUID OPTION ?OPTION ...?"
/*
** COMMAND: amend
**
** Usage: %fossil amend UUID OPTION ?OPTION ...?
**
** Amend the tags on check-in UUID to change how it displays in the timeline.
**
** Options:
**
**    --author USER           Make USER the author for check-in
**    -m|--comment COMMENT    Make COMMENT the check-in comment
**    -M|--message-file FILE  Read the amended comment from FILE
**    --edit-comment          Launch editor to revise comment
**    --date DATE             Make DATE the check-in time
**    --bgcolor COLOR         Apply COLOR to this check-in
**    --branchcolor COLOR     Apply and propagate COLOR to the branch
**    --tag TAG               Add new TAG to this check-in
**    --cancel TAG            Cancel TAG from this check-in
**    --branch NAME           Make this check-in the start of branch NAME
**    --hide                  Hide branch starting from this check-in
**    --close                 Mark this "leaf" as closed
*/
void ci_amend_cmd(void){
  int rid;
  const char *zComment;         /* Current comment on the check-in */
  const char *zNewComment;      /* Revised check-in comment */
  const char *zComFile;         /* Filename from which to read comment */
  const char *zUser;            /* Current user for the check-in */
  const char *zNewUser;         /* Revised user */
  const char *zDate;            /* Current date of the check-in */
  const char *zNewDate;         /* Revised check-in date */
  const char *zColor;
  const char *zNewColor;
  const char *zNewBrColor;
  const char *zNewBranch;
  const char **pzNewTags = 0;
  const char **pzCancelTags = 0;
  int fClose;                   /* True if leaf should be closed */
  int fHide;                    /* True if branch should be hidden */
  int fPropagateColor;          /* True if color propagates before amend */
  int fNewPropagateColor = 0;   /* True if color propagates after amend */
  int fHasHidden = 0;           /* True if hidden tag already set */
  int fHasClosed = 0;           /* True if closed tag already set */
  int fEditComment;             /* True if editor to be used for comment */
  const char *zChngTime;        /* The change time on the control artifact */
  const char *zUuid;
  Blob ctrl;
  Blob comment;
  char *zNow;
  int nTags, nCancels;
  int i;
  Stmt q;

  if( g.argc==3 ) usage(AMEND_USAGE_STMT);
  fEditComment = find_option("edit-comment",0,0)!=0;
  zNewComment = find_option("comment","m",1);
  zComFile = find_option("message-file","M",1);
  zNewBranch = find_option("branch",0,1);
  zNewColor = find_option("bgcolor",0,1);
  zNewBrColor = find_option("branchcolor",0,1);
  if( zNewBrColor ){
    zNewColor = zNewBrColor;
    fNewPropagateColor = 1;
  }
  zNewDate = find_option("date",0,1);
  zNewUser = find_option("author",0,1);
  pzNewTags = find_repeatable_option("tag",0,&nTags);
  pzCancelTags = find_repeatable_option("cancel",0,&nCancels);
  fClose = find_option("close",0,0)!=0;
  fHide = find_option("hide",0,0)!=0;
  zChngTime = find_option("chngtime",0,1);
  db_find_and_open_repository(0,0);
  user_select();
  verify_all_options();
  if( g.argc<3 || g.argc>=4 ) usage(AMEND_USAGE_STMT);
  rid = name_to_typed_rid(g.argv[2], "ci");
  if( rid==0 && !is_a_version(rid) ) fossil_fatal("no such check-in");
  zUuid = db_text(0, "SELECT uuid FROM blob WHERE rid=%d", rid);
  if( zUuid==0 ) fossil_fatal("Unable to find UUID");
  zComment = db_text(0, "SELECT coalesce(ecomment,comment)"
                        "  FROM event WHERE objid=%d", rid);
  zUser = db_text(0, "SELECT coalesce(euser,user)"
                     "  FROM event WHERE objid=%d", rid);
  zDate = db_text(0, "SELECT datetime(mtime)"
                     "  FROM event WHERE objid=%d", rid);
  zColor = db_text("", "SELECT bgcolor"
                        "  FROM event WHERE objid=%d", rid);
  fPropagateColor = db_int(0, "SELECT tagtype FROM tagxref"
                              " WHERE rid=%d AND tagid=%d",
                              rid, TAG_BGCOLOR)==2;
  fNewPropagateColor = zNewColor && zNewColor[0]
                        ? fNewPropagateColor : fPropagateColor;
  db_prepare(&q,
     "SELECT tag.tagid FROM tagxref, tag"
     " WHERE tagxref.rid=%d AND tagtype>0 AND tagxref.tagid=tag.tagid",
     rid
  );
  while( db_step(&q)==SQLITE_ROW ){
    int tagid = db_column_int(&q, 0);

    if( tagid == TAG_CLOSED ){
      fHasClosed = 1;
    }else if( tagid==TAG_HIDDEN ){
      fHasHidden = 1;
    }else{
      continue;
    }
  }
  db_finalize(&q);
  blob_zero(&ctrl);
  zNow = date_in_standard_format(zChngTime && zChngTime[0] ? zChngTime : "now");
  blob_appendf(&ctrl, "D %s\n", zNow);
  init_newtags();
  if( zNewColor && zNewColor[0]
      && (fPropagateColor!=fNewPropagateColor
            || fossil_strcmp(zColor,zNewColor)!=0)
  ){
    add_color(
      mprintf("%s%s", (zNewColor[0]!='#' &&
        validate16(zNewColor,strlen(zNewColor)) &&
        (strlen(zNewColor)==6 || strlen(zNewColor)==3)) ? "#" : "",
        zNewColor
      ),
      fNewPropagateColor
    );
  }
  if( (zNewColor!=0 && zNewColor[0]==0) && (zColor && zColor[0] ) ){
    cancel_color();
  }
  if( fEditComment ){
    prepare_amend_comment(&comment, zComment, zUuid);
    zNewComment = blob_str(&comment);
  }else if( zComFile ){
    blob_zero(&comment);
    blob_read_from_file(&comment, zComFile);
    blob_to_utf8_no_bom(&comment, 1);
    zNewComment = blob_str(&comment);
  }
  if( zNewComment && zNewComment[0]
      && comment_compare(zComment,zNewComment)==0 ) add_comment(zNewComment);
  if( zNewDate && zNewDate[0] && fossil_strcmp(zDate,zNewDate)!=0 ){
    if( is_datetime(zNewDate) ){
      add_date(zNewDate);
    }else{
      fossil_fatal("Unsupported date format, use YYYY-MM-DD HH:MM:SS");
    }
  }
  if( zNewUser && zNewUser[0] && fossil_strcmp(zUser,zNewUser)!=0 ){
    add_user(zNewUser);
  }
  if( pzNewTags!=0 ){
    for(i=0; i<nTags; i++){
      if( pzNewTags[i] && pzNewTags[i][0] ) add_tag(pzNewTags[i]);
    }
    fossil_free(pzNewTags);
  }
  if( pzCancelTags!=0 ){
    for(i=0; i<nCancels; i++){
      if( pzCancelTags[i] && pzCancelTags[i][0] )
        cancel_tag(rid,pzCancelTags[i]);
    }
    fossil_free(pzCancelTags);
  }
  if( fHide && !fHasHidden ) hide_branch();
  if( fClose && !fHasClosed ) close_leaf(rid);
  if( zNewBranch && zNewBranch[0] ) change_branch(rid,zNewBranch);
  apply_newtags(&ctrl, rid, zUuid);
  show_common_info(rid, "uuid:", 1, 0);
}

      zReturn = g.argv[i+hasArg];
      remove_from_argv(i, 1+hasArg);
      break;
    }
  }
  return zReturn;
}

/*
** Look for multiple occurrences of a command-line option with the 
** corresponding argument.
**
** Return a malloc allocated array of pointers to the arguments.
**
** pnUsedArgs is used to store the number of matched arguments.
**
** Caller is responsible to free allocated memory.
*/
const char **find_repeatable_option(
  const char *zLong,
  const char *zShort,
  int *pnUsedArgs
){
  const char *zOption;
  const char **pzArgs = 0;
  int nAllocArgs = 0;
  int nUsedArgs = 0;

  while( zOption = find_option(zLong, zShort, 1) ){
    if( pzArgs==0 && nAllocArgs==0 ){
      nAllocArgs = 1;
      pzArgs = fossil_malloc( nAllocArgs*sizeof(pzArgs[0]) );
    }else if( nAllocArgs<=nUsedArgs ){
      nAllocArgs = nAllocArgs*2;
      pzArgs = fossil_realloc( pzArgs, nAllocArgs*sizeof(pzArgs[0]) );
    }
    pzArgs[nUsedArgs++] = zOption;
  }
  *pnUsedArgs = nUsedArgs;
  return pzArgs;
}

/*
** Look for a repository command-line option.  If present, [re-]cache it in
** the global state and return the new pointer, freeing any previous value.
** If absent and there is no cached value, return NULL.
*/
const char *find_repository_option(){

#
# Tests for the "amend" command.
#

proc short_uuid {uuid {len 10}} {
  string range $uuid 0 $len-1
}

proc artifact_from_timeline {res var} {
  upvar $var artid
  regexp {(?x)[0-9]{2}(?::[0-9]{2}){2}\s+\[([0-9a-f]+)]} $res m artid
}

proc manifest_comment {comment} {
  string map [list { } {\\s} \n {\\n} \r {\\r}] $comment
}

proc uuid_from_commit {res var} {
  upvar $var UUID
  regexp {^New_Version: ([0-9a-f]{40})$} $res m UUID
}

proc uuid_from_branch {res var} {
  upvar $var UUID
  regexp {^New branch: ([0-9a-f]{40})$} $res m UUID
}

proc uuid_from_checkout {var} {
  global RESULT
  upvar $var UUID
  fossil status
  regexp {checkout:\s+([0-9a-f]{40})} $RESULT m UUID
}

# Make sure we are not in an open repository and initialize new repository
repo_init

########################################
# Setup: Add file and commit           #
########################################

if {![uuid_from_checkout UUIDINIT]} {
  test amend-checkout-failure false
  return
}
write_file datafile "data"
fossil add datafile
fossil commit -m "c1"
if {![uuid_from_commit $RESULT UUID]} {
  test amend-setup-failure false
  return
}

########################################
# Test: -branch                        #
########################################
set UUIDB UUIDB
write_file datafile "data.file"
fossil commit -m "c2"
if {![uuid_from_commit $RESULT UUIDB]} {
  test amend-branch.setup false
}
fossil amend $UUIDB -branch amended-branch
test amend-branch-1.1 {[regexp {tags:\s+amended-branch} $RESULT]}
fossil branch ls
test amend-branch-1.2 {[string first "* amended-branch" $RESULT] != -1}
fossil tag list
test amend-branch-1.3 {[string first amended-branch $RESULT] != -1}
fossil tag list --raw $UUIDB
test amend-branch-1.4 {[string first "branch=amended-branch" $RESULT] != -1}
test amend-branch-1.5 {[string first "sym-amended-branch" $RESULT] != -1}
fossil timeline -n 1
test amend-branch-1.6 {[string match {*Move*to*branch*amended-branch*} $RESULT]}

########################################
# Test: -bgcolor                       #
########################################
set tc 0
foreach {color result} {
  0 0
  a a
  abcdef #abcdef
  abc123 #abc123
  123efg 123efg
  abcdefg abcdefg
  abcdeg abcdeg
  blue blue
  acf #acf
  123 #123
  #1234 #1234
  1234 1234
  123456 #123456
} {
  incr tc
  fossil amend $UUID -bgcolor $color
  test amend-bgcolor-1.$tc.a {[string match "*uuid:*$UUID*" $RESULT]}
  fossil tag list --raw $UUID
  test amend-bgcolor-1.$tc.b {[string first "bgcolor=$result" $RESULT] != -1}
  fossil timeline -n 1
  test amend-bgcolor-1.$tc.c {
    [string match "*Change*background*color*to*\"$result\"*" $RESULT]
  }
  if {[artifact_from_timeline $RESULT artid]} {
    fossil artifact $artid
    test amend-bgcolor-1.$tc.d {
      [string match "*T +bgcolor $UUID $result*" $RESULT]
    }
  } else {
    if {$VERBOSE} { protOut "No artifact found in timeline output" }
    test amend-bgcolor-1.$tc.d false
  }
}
fossil amend $UUID -bgcolor {}
test amend-bgcolor-2.1 {[string match "*uuid:*$UUID*" $RESULT]}
fossil tag list --raw $UUID
test amend-bgcolor-2.2 {
  [string first "bgcolor=" $RESULT] == -1 &&
  [string first "bgcolor" $RESULT] != -1
}
fossil timeline -n 1
test amend-bgcolor-2.3 {[string match "*Cancel*background*color.*" $RESULT]}
if {[artifact_from_timeline $RESULT artid]} {
  fossil artifact $artid
  test amend-bgcolor-2.4 {[string match "*T -bgcolor $UUID*" $RESULT]}
} else {
  if {$VERBOSE} { protOut "No artifact found in timeline output" }
  test amend-bgcolor-2.4 false
}

########################################
# Test: -branchcolor                   #
########################################
set UUID2 UUID2
fossil branch new brclr $UUID
if {![uuid_from_branch $RESULT UUID2]} {
  test amend-branchcolor.setup false
}
fossil update $UUID2
fossil amend $UUID2 -branchcolor yellow
test amend-branchcolor-1.1 {[string match "*uuid:*$UUID2*" $RESULT]}
fossil tag ls --raw $UUID2
test amend-branchcolor-1.2 {[string first "bgcolor=yellow" $RESULT] != -1}
fossil timeline -n 1
test amend-branchcolor-1.3 {
  [string match {*Change*branch*background*color*to*"yellow".*} $RESULT]
}
if {[regexp {(?x)[0-9]{2}(?::[0-9]{2}){2}\s+\[([0-9a-f]+)]} $RESULT m artid]} {
  fossil artifact $artid
  test amend-branchcolor-1.4 {
    [string match "*T \*bgcolor $UUID2 yellow*" $RESULT]
  }
} else {
  if {$VERBOSE} { protOut "No artifact found in timeline output" }
  test amend-branchcolor-1.4 false
}

set UUIDN UUIDN
write_file datafile "brclr"
fossil commit -m "brclr"
if {![uuid_from_commit $RESULT UUIDN]} {
  test amend-branchcolor-propagating.setup false
}
write_file datafile "bc1"
fossil commit -m "mc1"
write_file datafile "bc2"
fossil commit -m "mc2"
fossil amend $UUIDN -branchcolor deadbe
test amend-branchcolor-2.1 {[string match "*uuid:*$UUIDN*" $RESULT]}
fossil tag ls --raw current
test amend-branchcolor-2.2 {[string first "bgcolor=#deadbe" $RESULT] != -1}
fossil timeline -n 1
test amend-branchcolor-2.3 {
  [string match {*Change*branch*background*color*to*"#deadbe".*} $RESULT]
}

########################################
# Test: -author                        #
########################################
fossil amend $UUID -author author-test
test amend-author-1.1 {[string match {*comment:*(user:*author-test)*} $RESULT]}
fossil tag ls --raw $UUID
test amend-author-1.2 {[string first "user=author-test" $RESULT] != -1}
fossil timeline -n 1
test amend-author-1.3 {[string match {*Change*user*to*"author-test".*} $RESULT]}

########################################
# Test: -date                          #
########################################
set timestamp [clock scan yesterday]
set date [clock format $timestamp -format "%Y-%m-%d" -gmt 1]
set time [clock format $timestamp -format "%H:%M:%S" -gmt 1]
set datetime "$date $time"
fossil amend $UUIDINIT -date $datetime
test amend-date-1.1 {[string match "*uuid:*$UUIDINIT*$datetime*" $RESULT]}
fossil tag ls --raw $UUIDINIT
test amend-date-1.2 {[string first "date=$datetime" $RESULT] != -1}
fossil timeline -n 1
test amend-date-1.3 {[string match "*Timestamp*$date*$time*" $RESULT]}
set badformats {
  "%+"
  "%Y-%m-%d %H:%M%:%S %Z"
  "%d/%m/%Y %H:%M%:%S %Z"
  "%d/%m/%Y %H:%M%:%S"
  "%d/%m/%Y"
}
set sc 0
foreach badformat $badformats {
  incr sc
  set datetime [clock format $timestamp -format $badformat -gmt 1]
  fossil amend $UUIDINIT -date $datetime
  test amend-date-2.$sc {[string first "YYYY-MM-DD HH:MM:SS" $RESULT] != -1}
}

########################################
# Test: -hide                          #
########################################
set UUIDH UUIDH
fossil revert
fossil update trunk
fossil branch new tohide current
if {![uuid_from_branch $RESULT UUIDH]} {
  test amend-hide-setup false
}
fossil amend $UUIDH -hide
test amend-hide-1.1 {[string match "*uuid:*$UUIDH*" $RESULT]}
fossil tag ls --raw $UUIDH
test amend-hide-1.2 {[string first "hidden" $RESULT] != -1}
fossil timeline -n 1
test amend-hide-1.3 {[string match {*Add*propagating*"hidden".*} $RESULT]}

########################################
# Test: -close                          #
########################################
set UUIDC UUIDC
fossil branch new cllf $UUID
if {![uuid_from_branch $RESULT UUIDC]} {
  test amend-close.setup false
}
fossil update $UUIDC
fossil amend $UUIDC -close
test amend-close-1.1.a {[string match "*uuid:*$UUIDC*" $RESULT]}
test amend-close-1.1.b {
  [string match "*comment:*Create*new*branch*named*\"cllf\"*" $RESULT]
}
fossil tag ls --raw $UUIDC
test amend-close-1.2 {[string first "closed" $RESULT] != -1}
fossil timeline -n 1
test amend-close-1.3 {[string match {*Marked*"Closed".*} $RESULT]}
write_file datafile "cllf"
fossil commit -m "should fail"
test amend-close-2 {[string first "closed leaf" $RESULT] != -1}

set UUID3 UUID3
fossil revert
fossil update trunk
write_file datafile "cb"
fossil commit -m "closed-branch" --branch "closebranch"
if {![uuid_from_commit $RESULT UUID3]} {
  test amend-close-3.setup false
}
write_file datafile "b1"
fossil commit -m "m1"
write_file datafile "b2"
fossil commit -m "m2"
fossil amend $UUID3 --close
test amend-close-3.1 {[string match "*uuid:*$UUID3*" $RESULT]}
fossil tag ls --raw current
test amend-close-3.2 {[string first "closed" $RESULT] != -1}
fossil timeline -n 1
test amend-close-3.3 {
  [string match "*Add*propagating*\"closed\".*" $RESULT]
}
write_file datafile "changed"
fossil commit -m "should fail"
test amend-close-3.4 {[string first "closed leaf" $RESULT] != -1}

########################################
# Test: -tag/-cancel                   #
########################################
set tagtests {
  tagged tagged
  {000000 lower Upper alpha 0alpha} {000000 0alpha Upper alpha lower}
}
set tc 0
foreach {tagt result} $tagtests {
  incr tc
  set tags {}
  set cancels {}
  set t1exp ""
  set t2exp "*"
  set t3exp "*"
  set t5exp "*"
  foreach tag $tagt { 
    lappend tags -tag $tag
    lappend cancels -cancel $tag
  }
  foreach res $result {
    append t1exp ", $res"
    append t2exp "sym-$res*"
    append t3exp "Add*tag*\"$res\".*"
    append t5exp "Cancel*tag*\"$res\".*"
  }
  eval fossil amend $UUID $tags
  test amend-tag-$tc.1 {[string match "*uuid:*$UUID*tags:*$t1exp*" $RESULT]}
  fossil tag ls --raw $UUID
  test amend-tag-$tc.2 {[string match $t2exp $RESULT]}
  fossil timeline -n 1
  test amend-tag-$tc.3 {[string match $t3exp $RESULT]}
  eval fossil amend $UUID $cancels
  test amend-tag-$tc.4 {![string match "*tags:*$t1exp*" $RESULT]}
  fossil timeline -n 1
  test amend-tag-$tc.5 {[string match $t5exp $RESULT]}
}

########################################
# Test: -comment                       #
########################################
proc prep-test {comment content} {
  global UUID RESULT

  fossil revert
  fossil update trunk
  write_file datafile $comment
  fossil commit -m $content
  if {![uuid_from_commit $RESULT UUID]} {
    set UUID ""
  }
}

proc test-comment {name UUID comment} {
  global VERBOSE RESULT

  test amend-comment-$name.1 {
    [string match "*uuid:*$UUID*comment:*$comment*" $RESULT]
  }
  fossil timeline -n 1
  if {[artifact_from_timeline $RESULT artid]} {
    fossil artifact $artid
    test amend-comment-$name.2 {
      [string match "*T +comment $UUID *[manifest_comment $comment]*" $RESULT]
    }
  } else {
    if {$VERBOSE} { protOut "No artifact found in timeline output: $RESULT" }
    test amend-comment-$name.2 false
  }
  fossil timeline -n 1
  test amend-comment-$name.3 {
    [string match "*[short_uuid $UUID]*Edit*check-in*comment.*" $RESULT]
  }
  fossil info $UUID
  test amend-comment-$name.4 {
    [string match "*uuid:*$UUID*comment:*$comment*" $RESULT]
  }
}

prep-test "revision 1" "revision 1"
fossil amend $UUID -comment "revised revision 1"
test-comment 1 $UUID "revised revision 1"

prep-test "revision 2" "revision 2"
fossil amend $UUID -m "revised revision 2 with -m"
test-comment 2 $UUID "revised revision 2 with -m"

prep-test "revision 3" "revision 3"
write_file commitmsg "revision 3 revised"
fossil amend $UUID -message-file commitmsg
test-comment 3 $UUID "revision 3 revised"

prep-test "revision 4" "revision 4"
write_file commitmsg "revision 4 revised with -M"
fossil amend $UUID -M commitmsg
test-comment 4 $UUID "revision 4 revised with -M"

prep-test "final comment" "final content"
if {[catch {exec which ed} result]} {
  if {$VERBOSE} { protOut "Install ed for interactive comment test: $result" }
  test-comment 5 $UUID "ed required for interactive edit"
} else {
  set env(EDITOR) "ed -s"
  set comment "interactive edited comment"
  fossil_maybe_answer "a\n$comment\n.\nw\nq\n" amend $UUID --edit-comment
  unset env(EDITOR)
  test-comment 5 $UUID $comment
}

########################################
# Test: NULL UUID                      #
########################################
fossil amend {} -close
test amend-null-uuid {$CODE && [string first "no such check-in" $RESULT] != -1}