The dired-copy-file and dired-rename-file commands do not use adjustname() for the new path. Hence 'M-x dired-copy-file':
Dired: ~/filename will not work. This diff fixes that behaviour. ok? mark Index: dired.c =================================================================== RCS file: /cvs/src/usr.bin/mg/dired.c,v retrieving revision 1.58 diff -u -p -r1.58 dired.c --- dired.c 30 May 2013 04:27:18 -0000 1.58 +++ dired.c 30 May 2013 04:42:38 -0000 @@ -398,10 +398,11 @@ d_expunge(int f, int n) int d_copy(int f, int n) { - char frname[NFILEN], toname[NFILEN], sname[NFILEN], *bufp; - int ret; - size_t off; - struct buffer *bp; + char frname[NFILEN], toname[NFILEN], sname[NFILEN]; + char *topath, *bufp; + int ret; + size_t off; + struct buffer *bp; if (d_makename(curwp->w_dotp, frname, sizeof(frname)) != FALSE) { ewprintf("Not a file"); @@ -419,7 +420,9 @@ d_copy(int f, int n) return (ABORT); else if (bufp[0] == '\0') return (FALSE); - ret = (copy(frname, toname) >= 0) ? TRUE : FALSE; + + topath = adjustname(toname, TRUE); + ret = (copy(frname, topath) >= 0) ? TRUE : FALSE; if (ret != TRUE) return (ret); if ((bp = refreshbuffer(curbp)) == NULL) @@ -431,7 +434,8 @@ d_copy(int f, int n) int d_rename(int f, int n) { - char frname[NFILEN], toname[NFILEN], *bufp; + char frname[NFILEN], toname[NFILEN]; + char *topath, *bufp; int ret; size_t off; struct buffer *bp; @@ -453,7 +457,9 @@ d_rename(int f, int n) return (ABORT); else if (bufp[0] == '\0') return (FALSE); - ret = (rename(frname, toname) >= 0) ? TRUE : FALSE; + + topath = adjustname(toname, TRUE); + ret = (rename(frname, topath) >= 0) ? TRUE : FALSE; if (ret != TRUE) return (ret); if ((bp = refreshbuffer(curbp)) == NULL)