static BUF * import_get_rcsdiff(struct cvs_file *cf, RCSNUM *rev) { char *p1, *p2; BUF *b1, *b2; int fd1, fd2; b2 = buf_alloc(128); b1 = buf_load_fd(cf->fd); (void)xasprintf(&p1, "%s/diff1.XXXXXXXXXX", cvs_tmpdir); fd1 = buf_write_stmp(b1, p1, NULL); buf_free(b1); (void)xasprintf(&p2, "%s/diff2.XXXXXXXXXX", cvs_tmpdir); fd2 = rcs_rev_write_stmp(cf->file_rcs, rev, p2, RCS_KWEXP_NONE); diff_format = D_RCSDIFF; if (diffreg(p2, p1, fd2, fd1, b2, D_FORCEASCII) == D_ERROR) fatal("import_get_rcsdiff: failed to get RCS patch"); close(fd1); close(fd2); (void)unlink(p1); (void)unlink(p2); xfree(p1); xfree(p2); return (b2); }
/* * Open the file specified by <path> and load all of its contents into a * buffer. * Returns the loaded buffer. */ BUF * buf_load(const char *path) { int fd; BUF *bp; if ((fd = open(path, O_RDONLY, 0600)) == -1) fatal("buf_load: failed to load '%s' : %s", path, strerror(errno)); bp = buf_load_fd(fd); (void)close(fd); return (bp); }
static void import_new(struct cvs_file *cf) { int i; BUF *bp; mode_t mode; time_t tstamp; struct stat st; struct rcs_branch *brp; struct rcs_delta *rdp; RCSNUM *branch, *brev; tstamp = -1; cvs_log(LP_TRACE, "import_new(%s)", cf->file_name); if (cvs_noexec == 1) { import_printf("N %s/%s\n", import_repository, cf->file_path); return; } if (fstat(cf->fd, &st) == -1) fatal("import_new: %s", strerror(errno)); mode = st.st_mode; if (dflag == 1) tstamp = st.st_mtime; if ((branch = rcsnum_parse(import_branch)) == NULL) fatal("import_new: failed to parse branch"); bp = buf_load_fd(cf->fd); if ((brev = rcsnum_brtorev(branch)) == NULL) fatal("import_new: failed to get first branch revision"); cf->repo_fd = open(cf->file_rpath, O_CREAT | O_RDONLY); if (cf->repo_fd < 0) fatal("import_new: %s: %s", cf->file_rpath, strerror(errno)); cf->file_rcs = rcs_open(cf->file_rpath, cf->repo_fd, RCS_CREATE, (mode & ~(S_IWUSR | S_IWGRP | S_IWOTH))); if (cf->file_rcs == NULL) fatal("import_new: failed to create RCS file for %s", cf->file_path); rcs_branch_set(cf->file_rcs, branch); if (rcs_sym_add(cf->file_rcs, vendor_tag, branch) == -1) fatal("import_new: failed to add vendor tag"); for (i = 0; i < tagcount; i++) { if (rcs_sym_add(cf->file_rcs, release_tags[i], brev) == -1) fatal("import_new: failed to add release tag"); } if (rcs_rev_add(cf->file_rcs, brev, logmsg, tstamp, NULL) == -1) fatal("import_new: failed to create first branch revision"); if (rcs_rev_add(cf->file_rcs, RCS_HEAD_REV, "Initial revision", tstamp, NULL) == -1) fatal("import_new: failed to create first revision"); if ((rdp = rcs_findrev(cf->file_rcs, cf->file_rcs->rf_head)) == NULL) fatal("import_new: cannot find newly added revision"); brp = xmalloc(sizeof(*brp)); brp->rb_num = rcsnum_alloc(); rcsnum_cpy(brev, brp->rb_num, 0); TAILQ_INSERT_TAIL(&(rdp->rd_branches), brp, rb_list); if (rcs_deltatext_set(cf->file_rcs, cf->file_rcs->rf_head, bp) == -1) fatal("import_new: failed to set deltatext"); if (kflag) rcs_kwexp_set(cf->file_rcs, kflag); rcs_write(cf->file_rcs); import_printf("N %s/%s\n", import_repository, cf->file_path); rcsnum_free(branch); rcsnum_free(brev); }
static void import_update(struct cvs_file *cf) { int ret; BUF *b1, *b2, *d; char branch[CVS_REV_BUFSZ]; RCSNUM *newrev, *rev, *brev; cvs_log(LP_TRACE, "import_update(%s)", cf->file_path); if (cf->file_rcs->rf_head == NULL) fatal("no head revision in RCS file for `%s'", cf->file_path); if ((rev = rcs_translate_tag(import_branch, cf->file_rcs)) == NULL) fatal("import_update: could not translate tag `%s'", import_branch); if ((brev = rcsnum_parse(import_branch)) == NULL) fatal("import_update: rcsnum_parse failed"); b1 = rcs_rev_getbuf(cf->file_rcs, rev, RCS_KWEXP_NONE); b2 = buf_load_fd(cf->fd); ret = buf_differ(b1, b2); buf_free(b1); buf_free(b2); if (ret == 0) { import_tag(cf, brev, rev); rcsnum_free(brev); if (cvs_noexec != 1) rcs_write(cf->file_rcs); import_printf("U %s/%s\n", import_repository, cf->file_path); return; } if (cf->file_rcs->rf_branch != NULL) rcsnum_tostr(cf->file_rcs->rf_branch, branch, sizeof(branch)); if (cf->file_rcs->rf_branch == NULL || cf->in_attic == 1 || strcmp(branch, import_branch)) { import_conflicts++; import_printf("C %s/%s\n", import_repository, cf->file_path); } else { import_printf("U %s/%s\n", import_repository, cf->file_path); } if (cvs_noexec == 1) return; d = import_get_rcsdiff(cf, rev); newrev = rcsnum_inc(rev); if (rcs_rev_add(cf->file_rcs, newrev, logmsg, -1, NULL) == -1) fatal("import_update: failed to add new revision"); if (rcs_deltatext_set(cf->file_rcs, newrev, d) == -1) fatal("import_update: failed to set deltatext"); import_tag(cf, brev, newrev); if (kflag) rcs_kwexp_set(cf->file_rcs, kflag); rcsnum_free(brev); rcs_write(cf->file_rcs); }
void cvs_diff_local(struct cvs_file *cf) { BUF *b1; int fd1, fd2; struct stat st; struct timespec tv[2], tv2[2]; struct tm datetm; char rbuf[CVS_REV_BUFSZ], tbuf[CVS_TIME_BUFSZ], *p1, *p2; b1 = NULL; fd1 = fd2 = -1; p1 = p2 = NULL; cvs_log(LP_TRACE, "cvs_diff_local(%s)", cf->file_path); if (cf->file_type == CVS_DIR) { if (verbosity > 1) cvs_log(LP_ERR, "Diffing inside %s", cf->file_path); return; } cvs_file_classify(cf, cvs_directory_tag); if (cvs_cmdop == CVS_OP_DIFF) { if (cf->file_ent == NULL) { cvs_log(LP_ERR, "I know nothing about %s", cf->file_path); return; } switch (cf->file_ent->ce_status) { case CVS_ENT_ADDED: if (Nflag == 0) { cvs_log(LP_ERR, "%s is a new entry, no " "comparison available", cf->file_path); return; } if (!(cf->file_flags & FILE_ON_DISK)) { cvs_log(LP_ERR, "cannot find %s", cf->file_path); return; } break; case CVS_ENT_REMOVED: if (Nflag == 0) { cvs_log(LP_ERR, "%s was removed, no " "comparison available", cf->file_path); return; } if (cf->file_rcs == NULL) { cvs_log(LP_ERR, "cannot find RCS file for %s", cf->file_path); return; } break; default: if (!(cf->file_flags & FILE_ON_DISK)) { cvs_printf("? %s\n", cf->file_path); return; } if (cf->file_rcs == NULL) { cvs_log(LP_ERR, "cannot find RCS file for %s", cf->file_path); return; } break; } } if (cf->file_status == FILE_UPTODATE && rev1 == NULL && rev2 == NULL && date1 == -1 && date2 == -1) return; if (cf->file_rcs != NULL && cf->file_rcs->rf_head == NULL) { cvs_log(LP_ERR, "no head revision in RCS file for %s\n", cf->file_path); return; } if (kflag && cf->file_rcs != NULL) rcs_kwexp_set(cf->file_rcs, kflag); if (cf->file_rcs == NULL) diff_rev1 = NULL; else if (rev1 != NULL || date1 != -1) { cvs_specified_date = date1; diff_rev1 = rcs_translate_tag(rev1, cf->file_rcs); if (diff_rev1 == NULL && cvs_cmdop == CVS_OP_DIFF) { if (rev1 != NULL) { cvs_log(LP_ERR, "tag %s not in file %s", rev1, cf->file_path); goto cleanup; } else if (Nflag) { diff_rev1 = NULL; } else { gmtime_r(&cvs_specified_date, &datetm); strftime(tbuf, sizeof(tbuf), "%Y.%m.%d.%H.%M.%S", &datetm); cvs_log(LP_ERR, "no revision for date %s in " "file %s", tbuf, cf->file_path); goto cleanup; } } else if (diff_rev1 == NULL && cvs_cmdop == CVS_OP_RDIFF && force_head) { /* -f is not allowed for unknown symbols */ if ((diff_rev1 = rcsnum_parse(rev1)) == NULL) fatal("no such tag %s", rev1); rcsnum_free(diff_rev1); diff_rev1 = cf->file_rcs->rf_head; } cvs_specified_date = -1; } else if (cvs_cmdop == CVS_OP_DIFF) { if (cf->file_ent->ce_status == CVS_ENT_ADDED) diff_rev1 = NULL; else diff_rev1 = cf->file_ent->ce_rev; } if (cf->file_rcs == NULL) diff_rev2 = NULL; else if (rev2 != NULL || date2 != -1) { cvs_specified_date = date2; diff_rev2 = rcs_translate_tag(rev2, cf->file_rcs); if (diff_rev2 == NULL && cvs_cmdop == CVS_OP_DIFF) { if (rev2 != NULL) { cvs_log(LP_ERR, "tag %s not in file %s", rev2, cf->file_path); goto cleanup; } else if (Nflag) { diff_rev2 = NULL; } else { gmtime_r(&cvs_specified_date, &datetm); strftime(tbuf, sizeof(tbuf), "%Y.%m.%d.%H.%M.%S", &datetm); cvs_log(LP_ERR, "no revision for date %s in " "file %s", tbuf, cf->file_path); goto cleanup; } } else if (diff_rev2 == NULL && cvs_cmdop == CVS_OP_RDIFF && force_head) { /* -f is not allowed for unknown symbols */ if ((diff_rev2 = rcsnum_parse(rev2)) == NULL) fatal("no such tag %s", rev2); rcsnum_free(diff_rev2); diff_rev2 = cf->file_rcs->rf_head; } cvs_specified_date = -1; } else if (cvs_cmdop == CVS_OP_RDIFF) diff_rev2 = cf->file_rcs->rf_head; else if (cf->file_ent->ce_status == CVS_ENT_REMOVED) diff_rev2 = NULL; if (diff_rev1 != NULL && diff_rev2 != NULL && rcsnum_cmp(diff_rev1, diff_rev2, 0) == 0) goto cleanup; switch (cvs_cmdop) { case CVS_OP_DIFF: if (cf->file_status == FILE_UPTODATE) { if (diff_rev2 == NULL && !rcsnum_cmp(diff_rev1, cf->file_rcsrev, 0)) goto cleanup; } break; case CVS_OP_RDIFF: if (diff_rev1 == NULL && diff_rev2 == NULL) goto cleanup; break; } cvs_printf("Index: %s\n", cf->file_path); if (cvs_cmdop == CVS_OP_DIFF) cvs_printf("%s\nRCS file: %s\n", RCS_DIFF_DIV, cf->file_rcs != NULL ? cf->file_rpath : cf->file_path); if (diff_rev1 != NULL) { if (cvs_cmdop == CVS_OP_DIFF && diff_rev1 != NULL) { (void)rcsnum_tostr(diff_rev1, rbuf, sizeof(rbuf)); cvs_printf("retrieving revision %s\n", rbuf); } tv[0].tv_sec = rcs_rev_getdate(cf->file_rcs, diff_rev1); tv[0].tv_nsec = 0; tv[1] = tv[0]; (void)xasprintf(&p1, "%s/diff1.XXXXXXXXXX", cvs_tmpdir); fd1 = rcs_rev_write_stmp(cf->file_rcs, diff_rev1, p1, 0); if (futimens(fd1, tv) == -1) fatal("cvs_diff_local: futimens failed"); } if (diff_rev2 != NULL) { if (cvs_cmdop == CVS_OP_DIFF && rev2 != NULL) { (void)rcsnum_tostr(diff_rev2, rbuf, sizeof(rbuf)); cvs_printf("retrieving revision %s\n", rbuf); } tv2[0].tv_sec = rcs_rev_getdate(cf->file_rcs, diff_rev2); tv2[0].tv_nsec = 0; tv2[1] = tv2[0]; (void)xasprintf(&p2, "%s/diff2.XXXXXXXXXX", cvs_tmpdir); fd2 = rcs_rev_write_stmp(cf->file_rcs, diff_rev2, p2, 0); if (futimens(fd2, tv2) == -1) fatal("cvs_diff_local: futimens failed"); } else if (cvs_cmdop == CVS_OP_DIFF && (cf->file_flags & FILE_ON_DISK) && cf->file_ent->ce_status != CVS_ENT_REMOVED) { (void)xasprintf(&p2, "%s/diff2.XXXXXXXXXX", cvs_tmpdir); if (cvs_server_active == 1 && cf->fd == -1) { tv2[0].tv_sec = rcs_rev_getdate(cf->file_rcs, cf->file_ent->ce_rev); tv2[0].tv_nsec = 0; tv2[1] = tv2[0]; fd2 = rcs_rev_write_stmp(cf->file_rcs, cf->file_ent->ce_rev, p2, 0); if (futimens(fd2, tv2) == -1) fatal("cvs_diff_local: futimens failed"); } else { if (fstat(cf->fd, &st) == -1) fatal("fstat failed %s", strerror(errno)); b1 = buf_load_fd(cf->fd); tv2[0].tv_sec = st.st_mtime; tv2[0].tv_nsec = 0; tv2[1] = tv2[0]; fd2 = buf_write_stmp(b1, p2, tv2); buf_free(b1); } } switch (cvs_cmdop) { case CVS_OP_DIFF: cvs_printf("%s", diffargs); if (rev1 != NULL && diff_rev1 != NULL) { (void)rcsnum_tostr(diff_rev1, rbuf, sizeof(rbuf)); cvs_printf(" -r%s", rbuf); if (rev2 != NULL && diff_rev2 != NULL) { (void)rcsnum_tostr(diff_rev2, rbuf, sizeof(rbuf)); cvs_printf(" -r%s", rbuf); } } if (diff_rev2 == NULL) cvs_printf(" %s", cf->file_path); cvs_printf("\n"); break; case CVS_OP_RDIFF: cvs_printf("diff "); switch (diff_format) { case D_CONTEXT: cvs_printf("-c "); break; case D_RCSDIFF: cvs_printf("-n "); break; case D_UNIFIED: cvs_printf("-u "); break; default: break; } if (diff_rev1 == NULL) { cvs_printf("%s ", CVS_PATH_DEVNULL); } else { (void)rcsnum_tostr(diff_rev1, rbuf, sizeof(rbuf)); cvs_printf("%s:%s ", cf->file_path, rbuf); } if (diff_rev2 == NULL) { cvs_printf("%s:removed\n", cf->file_path); } else { (void)rcsnum_tostr(diff_rev2 != NULL ? diff_rev2 : cf->file_rcs->rf_head, rbuf, sizeof(rbuf)); cvs_printf("%s:%s\n", cf->file_path, rbuf); } break; } if (fd1 == -1) { if ((fd1 = open(CVS_PATH_DEVNULL, O_RDONLY, 0)) == -1) fatal("cannot open %s", CVS_PATH_DEVNULL); } if (fd2 == -1) { if ((fd2 = open(CVS_PATH_DEVNULL, O_RDONLY, 0)) == -1) fatal("cannot open %s", CVS_PATH_DEVNULL); } if (diffreg(p1 != NULL ? cf->file_path : CVS_PATH_DEVNULL, p2 != NULL ? cf->file_path : CVS_PATH_DEVNULL, fd1, fd2, NULL, dflags) == D_ERROR) fatal("cvs_diff_local: failed to get RCS patch"); close(fd1); close(fd2); worklist_run(&temp_files, worklist_unlink); if (p1 != NULL) xfree(p1); if (p2 != NULL) xfree(p2); cleanup: if (diff_rev1 != NULL && (cf->file_rcs == NULL || diff_rev1 != cf->file_rcs->rf_head) && (cf->file_ent == NULL || diff_rev1 != cf->file_ent->ce_rev)) xfree(diff_rev1); diff_rev1 = NULL; if (diff_rev2 != NULL && (cf->file_rcs == NULL || diff_rev2 != cf->file_rcs->rf_head)) xfree(diff_rev2); diff_rev2 = NULL; }