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**
** 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:
**
** --baseline BASELINE Use BASELINE as the "pivot" of the merge instead
** of the nearest common ancestor. This allows
** a sequence of changes in a branch to be merged
** without having to merge the entire branch.
**
** --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.
**
** --nochange | -n Dryrun: do not actually make any changes; just
** show what would have happened.
*/
void merge_cmd(void){
int vid; /* Current version "V" */
int mid; /* Version we are merging from "M" */
int pid; /* The pivot version - most recent common ancestor P */
int detailFlag; /* True if the --detail option is present */
int pickFlag; /* True if the --cherrypick option is present */
int backoutFlag; /* True if the --backout option is present */
int nochangeFlag; /* True if the --nochange or -n option is present */
const char *zBinGlob; /* The value of --binary */
const char *zPivot; /* The value of --baseline */
int debugFlag; /* True if --debug is present */
int nChng; /* Number of file name changes */
int *aChng; /* An array of file name changes */
int i; /* Loop counter */
int nConflict = 0; /* Number of conflicts seen */
Stmt q;
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undo_capture_command_line();
detailFlag = find_option("detail",0,0)!=0;
pickFlag = find_option("cherrypick",0,0)!=0;
backoutFlag = find_option("backout",0,0)!=0;
debugFlag = find_option("debug",0,0)!=0;
zBinGlob = find_option("binary",0,1);
nochangeFlag = find_option("nochange","n",0)!=0;
zPivot = find_option("baseline",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 ){
if( mid==0 || !is_a_version(mid) ){
fossil_fatal("not a version: %s", g.argv[2]);
}
if( zPivot ){
pid = name_to_rid(zPivot);
if( !is_a_version(mid) ){
fossil_fatal("not a version: %s", g.argv[2]);
}
if( pickFlag || backoutFlag ){
if( pid==0 || !is_a_version(pid) ){
fossil_fatal("not a version: %s", zPivot);
}
if( pickFlag ){
fossil_fatal("incompatible options: --cherrypick & --baseline");
}
}else if( pickFlag || backoutFlag ){
pid = db_int(0, "SELECT pid FROM plink WHERE cid=%d AND isprim", mid);
if( pid<=0 ){
fossil_fatal("cannot find an ancestor for %s", g.argv[2]);
}
if( backoutFlag ){
int t = pid;
pid = mid;
mid = t;
}
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