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Annotation of src/usr.bin/cvs/release.c, Revision 1.6

1.6     ! joris       1: /*     $OpenBSD: release.c,v 1.5 2005/05/19 22:07:33 jfb Exp $ */
1.1       xsa         2: /*
                      3:  * Copyright (c) 2005 Xavier Santolaria <xsa@openbsd.org>
                      4:  * All rights reserved.
                      5:  *
                      6:  * Redistribution and use in source and binary forms, with or without
                      7:  * modification, are permitted provided that the following conditions
                      8:  * are met:
                      9:  *
                     10:  * 1. Redistributions of source code must retain the above copyright
                     11:  *    notice, this list of conditions and the following disclaimer.
                     12:  * 2. The name of the author may not be used to endorse or promote products
                     13:  *    derived from this software without specific prior written permission.
                     14:  *
                     15:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
                     16:  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
                     17:  * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
                     18:  * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
                     19:  * EXEMPLARY, OR CONSEQUENTIAL  DAMAGES (INCLUDING, BUT NOT LIMITED TO,
                     20:  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
                     21:  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
                     22:  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
                     23:  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
                     24:  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
                     25:  */
                     26:
                     27: #include <sys/types.h>
                     28: #include <sys/stat.h>
                     29:
                     30: #include <errno.h>
                     31: #include <fcntl.h>
                     32: #include <stdio.h>
                     33: #include <stdlib.h>
                     34: #include <string.h>
                     35: #include <unistd.h>
                     36:
                     37: #include "cvs.h"
                     38: #include "log.h"
                     39: #include "proto.h"
                     40:
1.3       xsa        41: #define UPDCMD_FLAGS   "-n -q -d"
                     42:
                     43: extern char *__progname;
1.1       xsa        44:
                     45: static int cvs_release_options(char *, int, char **, int *);
                     46: static int cvs_release_sendflags(struct cvsroot *);
                     47: static int cvs_release_yesno(void);
                     48: static int cvs_release_dir(CVSFILE *, void *);
                     49:
                     50: struct cvs_cmd_info cvs_release = {
                     51:        cvs_release_options,
                     52:        cvs_release_sendflags,
                     53:        cvs_release_dir,
1.2       xsa        54:        NULL, NULL,
1.3       xsa        55:        CF_IGNORE | CF_KNOWN | CF_NOFILES | CF_RECURSE,
1.1       xsa        56:        CVS_REQ_RELEASE,
                     57:        CVS_CMD_SENDDIR | CVS_CMD_SENDARGS2 | CVS_CMD_ALLOWSPEC
                     58: };
                     59:
                     60: static int     dflag;  /* -d option */
                     61:
                     62: static int
                     63: cvs_release_options(char *opt, int argc, char **argv, int *arg)
                     64: {
                     65:        int ch;
                     66:
                     67:        while ((ch = getopt(argc, argv, opt)) != -1) {
                     68:                switch (ch) {
                     69:                case 'd':
                     70:                        dflag = 1;
                     71:                        break;
                     72:                default:
                     73:                        return (CVS_EX_USAGE);
                     74:                }
                     75:        }
                     76:
                     77:        argc -= optind;
                     78:        argv += optind;
                     79:        *arg = optind;
                     80:
                     81:        if (argc == 0)
                     82:                return (CVS_EX_USAGE);
                     83:
                     84:        return (0);
                     85: }
                     86:
                     87: static int
                     88: cvs_release_sendflags(struct cvsroot *root)
                     89: {
                     90:        if (dflag && cvs_sendarg(root, "-d", 0) < 0)
                     91:                return (CVS_EX_PROTO);
                     92:
                     93:        return (0);
                     94: }
                     95:
                     96: /*
                     97:  * cvs_release_yesno()
                     98:  *
                     99:  * Read from standart input for `y' or `Y' character.
                    100:  * Returns 0 on success, or -1 on failure.
                    101:  */
                    102: static int
                    103: cvs_release_yesno(void)
                    104: {
                    105:        int c, ret;
                    106:
                    107:        ret = 0;
1.5       jfb       108:
1.1       xsa       109:        fflush (stderr);
                    110:        fflush (stdout);
                    111:
                    112:        if ((c = getchar()) != 'y' && c != 'Y')
                    113:                ret = -1;
                    114:        else
                    115:                while (c != EOF && c != '\n')
                    116:                        c = getchar();
                    117:
                    118:        return (ret);
                    119: }
                    120:
                    121: /*
                    122:  * cvs_release_dir()
                    123:  *
                    124:  * Release specified directorie(s).
                    125:  * Returns 0 on success, or -1 on failure.
                    126:  */
                    127: static int
                    128: cvs_release_dir(CVSFILE *cdir, void *arg)
                    129: {
1.3       xsa       130:        FILE *fp;
1.1       xsa       131:        int j, l;
1.4       xsa       132:        char *wdir, cwd[MAXPATHLEN];
1.3       xsa       133:        char buf[256], cdpath[MAXPATHLEN], dpath[MAXPATHLEN];
                    134:        char updcmd[MAXPATHLEN];        /* XXX find a better size; malloc()?? */
1.1       xsa       135:        struct stat st;
                    136:        struct cvsroot *root;
                    137:
                    138:        j = 0;          /* number of altered files in the working copy */
                    139:
                    140:        root = CVS_DIR_ROOT(cdir);
                    141:
                    142:        cvs_file_getpath(cdir, dpath, sizeof(dpath));
                    143:
                    144:        l = snprintf(cdpath, sizeof(cdpath), "%s/" CVS_PATH_CVSDIR, dpath);
                    145:        if (l == -1 || l >= (int)sizeof(cdpath)) {
                    146:                errno = ENAMETOOLONG;
                    147:                cvs_log(LP_ERRNO, "%s", cdpath);
1.6     ! joris     148:                return (CVS_EX_DATA);
1.1       xsa       149:        }
                    150:
                    151:        if (cdir->cf_type == DT_DIR) {
                    152:                if (!strcmp(CVS_FILE_NAME(cdir), "."))
                    153:                        return (0);
                    154:                else {
                    155:                        /* test if dir has CVS/ directory */
                    156:                        if (stat(cdpath, &st) == -1) {
                    157:                                cvs_log(LP_ERR,
                    158:                                    "no repository directory: %s", dpath);
                    159:                                return (0);
                    160:                        }
                    161:                }
                    162:
                    163:                if (root->cr_method != CVS_METHOD_LOCAL) {
1.4       xsa       164:                        /* XXX kept for compat reason of `cvs update' output */
                    165:                        /* save current working directory for further use */
                    166:                        if ((wdir = getcwd(cwd, sizeof(cwd))) == NULL)
                    167:                                cvs_log(LP_ERRNO, "cannot get current dir");
                    168:
1.3       xsa       169:                        /* change dir before running the `cvs update' command */
1.4       xsa       170:                        if (chdir(dpath) == -1) {
                    171:                                cvs_log(LP_ERRNO, "cannot change to dir `%s'",
                    172:                                    dpath);
1.6     ! joris     173:                                return (CVS_EX_FILE);
1.4       xsa       174:                        }
1.3       xsa       175:
                    176:                        /* construct `cvs update' command */
                    177:                        l = snprintf(updcmd, sizeof(updcmd), "%s %s %s update",
                    178:                            __progname, UPDCMD_FLAGS, root->cr_str);
                    179:                        if (l == -1 || l >= (int)sizeof(updcmd))
1.6     ! joris     180:                                return (CVS_EX_DATA);
1.3       xsa       181:
                    182:                        /* XXX we should try to avoid a new connection ... */
                    183:                        if ((fp = popen(updcmd, "r")) == NULL) {
                    184:                                cvs_log(LP_ERROR, "cannot run command `%s'",
                    185:                                    updcmd);
1.6     ! joris     186:                                return (CVS_EX_DATA);
1.3       xsa       187:                        }
1.1       xsa       188:
1.3       xsa       189:                        while (fgets(buf, sizeof(buf), fp) != NULL) {
                    190:                                if (strchr("ACMPRU", buf[0]))
                    191:                                        j++;
                    192:                                (void)fputs(buf, stdout);
                    193:                        }
                    194:
                    195:                        if (pclose(fp) != 0) {
                    196:                                cvs_log(LP_ERROR, "unable to release `%s'",
                    197:                                    dpath);
1.6     ! joris     198:                                return (CVS_EX_DATA);
1.3       xsa       199:                        }
1.1       xsa       200:
1.3       xsa       201:                        printf("You have [%d] altered file%s in this "
                    202:                            "repository.\n", j, j > 1 ? "s" : "");
1.4       xsa       203:
1.1       xsa       204:                        printf("Are you sure you want to release "
                    205:                            "%sdirectory `%s': ",
                    206:                            dflag ? "(and delete) " : "", dpath);
                    207:
                    208:                        if (cvs_release_yesno() == -1) {        /* No */
                    209:                                (void)fprintf(stderr,
                    210:                                    "** `%s' aborted by user choice.\n",
                    211:                                    cvs_command);
                    212:                                return (-1);
                    213:                        }
                    214:
1.4       xsa       215:                        /* change back to original working dir */
                    216:                        if (chdir(wdir) == -1) {
                    217:                                cvs_log(LP_ERRNO, "cannot change to original "
                    218:                                    "working dir `%s'", wdir);
1.6     ! joris     219:                                return (CVS_EX_FILE);
1.4       xsa       220:                        }
                    221:
1.1       xsa       222:                        if (dflag == 1) {
1.4       xsa       223:                                if (cvs_remove_dir(dpath) != CVS_EX_OK) {
1.1       xsa       224:                                        cvs_log(LP_ERRNO,
1.4       xsa       225:                                            "deletion of directory `%s' failed",
1.1       xsa       226:                                            dpath);
1.6     ! joris     227:                                        return (CVS_EX_FILE);
1.1       xsa       228:                                }
                    229:                        }
                    230:                }
                    231:        } else {
                    232:                cvs_log(LP_ERR, "no such directory: %s", dpath);
1.6     ! joris     233:                return (CVS_EX_DATA);
1.1       xsa       234:        }
                    235:
                    236:        return (0);
                    237: }