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Annotation of src/usr.bin/cvs/import.c, Revision 1.57

1.57    ! joris       1: /*     $OpenBSD: import.c,v 1.56 2006/12/04 09:51:21 xsa Exp $ */
1.1       krapht      2: /*
1.45      joris       3:  * Copyright (c) 2006 Joris Vink <joris@openbsd.org>
1.1       krapht      4:  *
1.45      joris       5:  * Permission to use, copy, modify, and distribute this software for any
                      6:  * purpose with or without fee is hereby granted, provided that the above
                      7:  * copyright notice and this permission notice appear in all copies.
1.1       krapht      8:  *
1.45      joris       9:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     10:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     11:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     12:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     13:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
                     14:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
                     15:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1       krapht     16:  */
                     17:
1.35      xsa        18: #include "includes.h"
1.1       krapht     19:
1.23      xsa        20: #include "cvs.h"
1.45      joris      21: #include "diff.h"
1.1       krapht     22: #include "log.h"
                     23:
1.45      joris      24: int    cvs_import(int, char **);
                     25: void   cvs_import_local(struct cvs_file *);
1.3       jfb        26:
1.45      joris      27: static void import_new(struct cvs_file *);
                     28: static void import_update(struct cvs_file *);
1.47      joris      29: static void import_tag(struct cvs_file *, RCSNUM *, RCSNUM *);
                     30: static char *import_get_rcsdiff(struct cvs_file *, RCSNUM *);
1.3       jfb        31:
1.45      joris      32: #define IMPORT_DEFAULT_BRANCH  "1.1.1"
1.19      jfb        33:
1.45      joris      34: static char *import_branch = IMPORT_DEFAULT_BRANCH;
                     35: static char *logmsg = NULL;
                     36: static char *vendor_tag = NULL;
                     37: static char *release_tag = NULL;
1.19      jfb        38:
1.51      xsa        39: static int dflag = 0;
                     40:
1.45      joris      41: char *import_repository = NULL;
1.47      joris      42: int import_conflicts = 0;
1.3       jfb        43:
1.15      jfb        44: struct cvs_cmd cvs_cmd_import = {
1.52      joris      45:        CVS_OP_IMPORT, 0, "import",
1.15      jfb        46:        { "im", "imp" },
                     47:        "Import sources into CVS, using vendor branches",
1.51      xsa        48:        "[-d] [-b branch] [-m message] repository vendor-tag release-tags",
                     49:        "b:dm:",
1.15      jfb        50:        NULL,
1.45      joris      51:        cvs_import
1.7       joris      52: };
1.1       krapht     53:
1.45      joris      54: int
                     55: cvs_import(int argc, char **argv)
1.1       krapht     56: {
1.56      xsa        57:        int ch;
1.45      joris      58:        char repo[MAXPATHLEN], *arg = ".";
                     59:        struct cvs_recursion cr;
1.1       krapht     60:
1.45      joris      61:        while ((ch = getopt(argc, argv, cvs_cmd_import.cmd_opts)) != -1) {
1.1       krapht     62:                switch (ch) {
                     63:                case 'b':
1.45      joris      64:                        import_branch = optarg;
1.1       krapht     65:                        break;
1.51      xsa        66:                case 'd':
                     67:                        dflag = 1;
                     68:                        break;
1.1       krapht     69:                case 'm':
1.45      joris      70:                        logmsg = optarg;
1.1       krapht     71:                        break;
                     72:                default:
1.45      joris      73:                        fatal("%s", cvs_cmd_import.cmd_synopsis);
                     74:                        break;
1.1       krapht     75:                }
                     76:        }
                     77:
                     78:        argc -= optind;
                     79:        argv += optind;
1.19      jfb        80:
1.45      joris      81:        if (argc < 3)
                     82:                fatal("%s", cvs_cmd_import.cmd_synopsis);
1.1       krapht     83:
1.45      joris      84:        if (logmsg == NULL)
1.57    ! joris      85:                logmsg = cvs_logmsg_create(NULL, NULL, NULL);
        !            86:
        !            87:        if (logmsg == NULL)
        !            88:                fatal("This shouldnt happen, honestly!");
1.15      jfb        89:
1.45      joris      90:        import_repository = argv[0];
                     91:        vendor_tag = argv[1];
                     92:        release_tag = argv[2];
                     93:
1.56      xsa        94:        if (cvs_path_cat(current_cvsroot->cr_dir, import_repository,
                     95:            repo, sizeof(repo)) >= sizeof(repo))
                     96:                fatal("cvs_import: truncation");
1.45      joris      97:
1.48      joris      98:        if (cvs_noexec != 1) {
                     99:                if (mkdir(repo, 0755) == -1 && errno != EEXIST)
                    100:                        fatal("cvs_import: %s: %s", repo, strerror(errno));
                    101:        }
1.45      joris     102:
                    103:        cr.enterdir = NULL;
                    104:        cr.leavedir = NULL;
1.53      joris     105:        cr.fileproc = cvs_import_local;
1.45      joris     106:        cr.flags = CR_RECURSE_DIRS;
                    107:        cvs_file_run(1, &arg, &cr);
1.1       krapht    108:
1.47      joris     109:        if (import_conflicts != 0) {
                    110:                cvs_printf("\n%d conflicts created by this import.\n\n",
                    111:                    import_conflicts);
                    112:                cvs_printf("Use the following command to help the merge:\n");
                    113:                cvs_printf("\topencvs checkout ");
                    114:                cvs_printf("-j%s:yesterday -j%s %s\n\n", vendor_tag,
                    115:                    vendor_tag, import_repository);
                    116:        } else {
                    117:                cvs_printf("\nNo conflicts created by this import.\n\n");
                    118:        }
                    119:
1.7       joris     120:        return (0);
                    121: }
1.1       krapht    122:
1.45      joris     123: void
                    124: cvs_import_local(struct cvs_file *cf)
1.7       joris     125: {
1.45      joris     126:        int l;
                    127:        int isnew;
                    128:        struct stat st;
                    129:        char repo[MAXPATHLEN];
1.15      jfb       130:
1.45      joris     131:        cvs_log(LP_TRACE, "cvs_import_local(%s)", cf->file_path);
1.1       krapht    132:
1.46      joris     133:        cvs_file_classify(cf, NULL, 0);
1.1       krapht    134:
1.45      joris     135:        if (cf->file_type == CVS_DIR) {
                    136:                if (!strcmp(cf->file_path, "."))
                    137:                        return;
1.19      jfb       138:
1.45      joris     139:                if (verbosity > 1)
                    140:                        cvs_log(LP_NOTICE, "Importing %s", cf->file_path);
1.19      jfb       141:
1.48      joris     142:                if (cvs_noexec == 1)
                    143:                        return;
1.19      jfb       144:
1.45      joris     145:                if (mkdir(cf->file_rpath, 0755) == -1 && errno != EEXIST)
                    146:                        fatal("cvs_import_local: %s: %s", cf->file_rpath,
                    147:                            strerror(errno));
1.15      jfb       148:
1.45      joris     149:                return;
1.15      jfb       150:        }
                    151:
1.45      joris     152:        isnew = 1;
                    153:        l = snprintf(repo, sizeof(repo), "%s/%s/%s/%s%s",
                    154:            current_cvsroot->cr_dir, cf->file_wd, CVS_PATH_ATTIC,
                    155:            cf->file_name, RCS_FILE_EXT);
                    156:        if (l == -1 || l >= (int)sizeof(repo))
                    157:                fatal("import_new: overflow");
1.34      joris     158:
1.45      joris     159:        if (cf->file_rcs != NULL || stat(repo, &st) != -1)
                    160:                isnew = 0;
1.15      jfb       161:
1.45      joris     162:        if (isnew == 1)
                    163:                import_new(cf);
                    164:        else
                    165:                import_update(cf);
1.15      jfb       166: }
                    167:
1.45      joris     168: static void
                    169: import_new(struct cvs_file *cf)
1.15      jfb       170: {
1.45      joris     171:        BUF *bp;
                    172:        char *content;
1.51      xsa       173:        time_t tstamp;
                    174:        struct stat st;
1.45      joris     175:        struct rcs_branch *brp;
1.41      joris     176:        struct rcs_delta *rdp;
1.45      joris     177:        RCSNUM *branch, *brev;
                    178:
1.51      xsa       179:        tstamp = -1;
                    180:
1.45      joris     181:        cvs_log(LP_TRACE, "import_new(%s)", cf->file_name);
                    182:
1.48      joris     183:        if (cvs_noexec == 1) {
                    184:                cvs_printf("N %s/%s\n", import_repository, cf->file_path);
                    185:                return;
                    186:        }
                    187:
1.51      xsa       188:        if (dflag == 1) {
                    189:                if (fstat(cf->fd, &st) == -1)
                    190:                        fatal("import_new: %s", strerror(errno));
                    191:
                    192:                tstamp = st.st_mtime;
                    193:        }
                    194:
1.45      joris     195:        if ((branch = rcsnum_parse(import_branch)) == NULL)
                    196:                fatal("import_new: failed to parse branch");
                    197:
1.50      joris     198:        if ((bp = cvs_buf_load_fd(cf->fd, BUF_AUTOEXT)) == NULL)
1.45      joris     199:                fatal("import_new: failed to load %s", cf->file_path);
                    200:
                    201:        cvs_buf_putc(bp, '\0');
                    202:        content = cvs_buf_release(bp);
1.15      jfb       203:
1.45      joris     204:        if ((brev = rcsnum_brtorev(branch)) == NULL)
                    205:                fatal("import_new: failed to get first branch revision");
1.24      xsa       206:
1.45      joris     207:        cf->repo_fd = open(cf->file_rpath, O_CREAT|O_TRUNC|O_WRONLY);
                    208:        if (cf->repo_fd < 0)
                    209:                fatal("import_new: %s: %s", cf->file_rpath, strerror(errno));
1.1       krapht    210:
1.45      joris     211:        cf->file_rcs = rcs_open(cf->file_rpath, cf->repo_fd, RCS_CREATE, 0444);
                    212:        if (cf->file_rcs == NULL)
                    213:                fatal("import_new: failed to create RCS file for %s",
                    214:                    cf->file_path);
1.1       krapht    215:
1.45      joris     216:        rcs_branch_set(cf->file_rcs, branch);
1.18      jfb       217:
1.45      joris     218:        if (rcs_sym_add(cf->file_rcs, vendor_tag, branch) == -1)
                    219:                fatal("import_new: failed to add release tag");
1.18      jfb       220:
1.47      joris     221:        if (rcs_sym_add(cf->file_rcs, release_tag, brev) == -1)
1.45      joris     222:                fatal("import_new: failed to add vendor tag");
1.17      jfb       223:
1.51      xsa       224:        if (rcs_rev_add(cf->file_rcs, brev, logmsg, tstamp, NULL) == -1)
1.45      joris     225:                fatal("import_new: failed to create first branch revision");
1.1       krapht    226:
1.51      xsa       227:        if (rcs_rev_add(cf->file_rcs, RCS_HEAD_REV, logmsg, tstamp, NULL) == -1)
1.45      joris     228:                fatal("import_new: failed to create first revision");
1.20      jfb       229:
1.45      joris     230:        if ((rdp = rcs_findrev(cf->file_rcs, cf->file_rcs->rf_head)) == NULL)
                    231:                fatal("import_new: cannot find newly added revision");
1.41      joris     232:
1.42      ray       233:        brp = xmalloc(sizeof(*brp));
1.41      joris     234:        brp->rb_num = rcsnum_alloc();
                    235:        rcsnum_cpy(brev, brp->rb_num, 0);
                    236:        TAILQ_INSERT_TAIL(&(rdp->rd_branches), brp, rb_list);
1.30      joris     237:
1.45      joris     238:        if (rcs_deltatext_set(cf->file_rcs,
                    239:            cf->file_rcs->rf_head, content) == -1)
                    240:                fatal("import_new: failed to set deltatext");
1.30      joris     241:
1.45      joris     242:        rcs_write(cf->file_rcs);
1.47      joris     243:        cvs_printf("N %s/%s\n", import_repository, cf->file_path);
1.30      joris     244:
1.47      joris     245:        xfree(content);
1.45      joris     246:        rcsnum_free(branch);
                    247:        rcsnum_free(brev);
1.19      jfb       248: }
                    249:
1.45      joris     250: static void
                    251: import_update(struct cvs_file *cf)
1.19      jfb       252: {
1.47      joris     253:        BUF *b1, *b2;
1.49      joris     254:        char *d, branch[16];
1.47      joris     255:        RCSNUM *newrev, *rev, *brev;
                    256:
1.45      joris     257:        cvs_log(LP_TRACE, "import_update(%s)", cf->file_path);
1.47      joris     258:
                    259:        rev = rcs_translate_tag(import_branch, cf->file_rcs);
                    260:
                    261:        if ((brev = rcsnum_parse(import_branch)) == NULL)
                    262:                fatal("import_update: rcsnum_parse failed");
                    263:
                    264:        if (rev != NULL) {
                    265:                if ((b1 = rcs_getrev(cf->file_rcs, rev)) == NULL)
                    266:                        fatal("import_update: failed to grab revision");
                    267:
1.50      joris     268:                if ((b2 = cvs_buf_load_fd(cf->fd, BUF_AUTOEXT)) == NULL)
1.47      joris     269:                        fatal("import_update: failed to load %s",
                    270:                            cf->file_path);
                    271:
                    272:                if (cvs_buf_differ(b1, b2) == 0) {
                    273:                        import_tag(cf, brev, rev);
                    274:                        cvs_printf("U %s/%s\n", import_repository,
                    275:                            cf->file_path);
                    276:                        rcsnum_free(rev);
                    277:                        rcsnum_free(brev);
                    278:                        rcs_write(cf->file_rcs);
                    279:                        return;
                    280:                }
                    281:        }
                    282:
                    283:        if (cf->file_rcs->rf_branch != NULL)
                    284:                rcsnum_tostr(cf->file_rcs->rf_branch, branch, sizeof(branch));
                    285:
                    286:        if (rev != NULL) {
                    287:                d = import_get_rcsdiff(cf, rev);
                    288:                newrev = rcsnum_inc(rev);
                    289:        } else {
                    290:                d = import_get_rcsdiff(cf, rcs_head_get(cf->file_rcs));
                    291:                newrev = rcsnum_brtorev(brev);
                    292:        }
                    293:
                    294:        if (rcs_rev_add(cf->file_rcs, newrev, logmsg, -1, NULL) == -1)
                    295:                fatal("import_update: failed to add new revision");
                    296:
                    297:        if (rcs_deltatext_set(cf->file_rcs, newrev, d) == -1)
                    298:                fatal("import_update: failed to set deltatext");
1.48      joris     299:
1.47      joris     300:        xfree(d);
                    301:
                    302:        import_tag(cf, brev, newrev);
                    303:
                    304:        if (cf->file_rcs->rf_branch == NULL || cf->file_rcs->rf_inattic == 1 ||
                    305:            strcmp(branch, import_branch)) {
                    306:                import_conflicts++;
                    307:                cvs_printf("C %s/%s\n", import_repository, cf->file_path);
                    308:        } else {
                    309:                cvs_printf("U %s/%s\n", import_repository, cf->file_path);
                    310:        }
                    311:
                    312:        if (rev != NULL)
                    313:                rcsnum_free(rev);
                    314:        rcsnum_free(brev);
                    315:
                    316:        rcs_write(cf->file_rcs);
                    317: }
                    318:
                    319: static void
                    320: import_tag(struct cvs_file *cf, RCSNUM *branch, RCSNUM *newrev)
                    321: {
                    322:        char b[16];
                    323:
1.48      joris     324:        if (cvs_noexec != 1) {
                    325:                rcsnum_tostr(branch, b, sizeof(b));
                    326:                rcs_sym_add(cf->file_rcs, vendor_tag, branch);
1.47      joris     327:
1.48      joris     328:                rcsnum_tostr(newrev, b, sizeof(b));
                    329:                rcs_sym_add(cf->file_rcs, release_tag, newrev);
                    330:        }
1.47      joris     331: }
                    332:
                    333: static char *
                    334: import_get_rcsdiff(struct cvs_file *cf, RCSNUM *rev)
                    335: {
                    336:        char *delta, *p1, *p2;
                    337:        BUF *b1, *b2, *b3;
                    338:
1.50      joris     339:        if ((b1 = cvs_buf_load_fd(cf->fd, BUF_AUTOEXT)) == NULL)
1.47      joris     340:                fatal("import_get_rcsdiff: failed loading %s", cf->file_path);
                    341:
                    342:        if ((b2 = rcs_getrev(cf->file_rcs, rev)) == NULL)
                    343:                fatal("import_get_rcsdiff: failed loading revision");
                    344:
                    345:        b3 = cvs_buf_alloc(128, BUF_AUTOEXT);
                    346:
1.48      joris     347:        if (cvs_noexec != 1) {
                    348:                (void)xasprintf(&p1, "%s/diff1.XXXXXXXXXX", cvs_tmpdir);
1.54      ray       349:                cvs_buf_write_stmp(b1, p1, NULL);
1.48      joris     350:                cvs_buf_free(b1);
                    351:
                    352:                (void)xasprintf(&p2, "%s/diff2.XXXXXXXXXX", cvs_tmpdir);
1.54      ray       353:                cvs_buf_write_stmp(b2, p2, NULL);
1.48      joris     354:                cvs_buf_free(b2);
                    355:
                    356:                diff_format = D_RCSDIFF;
                    357:                if (cvs_diffreg(p2, p1, b3) == D_ERROR)
                    358:                        fatal("import_get_rcsdiff: failed to get RCS patch");
1.55      xsa       359:
                    360:                (void)unlink(p1);
                    361:                (void)unlink(p2);
                    362:
                    363:                if (p1 != NULL)
                    364:                        xfree(p1);
                    365:                if (p2 != NULL)
                    366:                        xfree(p2);
1.48      joris     367:        }
1.47      joris     368:
                    369:        cvs_buf_putc(b3, '\0');
                    370:        delta = cvs_buf_release(b3);
1.55      xsa       371:
                    372:        if (b1 != NULL)
                    373:                cvs_buf_free(b1);
                    374:        if (b2 != NULL)
                    375:                cvs_buf_free(b2);
                    376:        if (b3 != NULL)
                    377:                cvs_buf_free(b3);
                    378:
1.47      joris     379:        return (delta);
1.1       krapht    380: }