time_t mtime;
mode_t mode;
int ftype;
- int configuration;
+ int configuration, oldwasconf;
struct timespec times[2];
};
#define MARK fprintf(stderr, "%s %d: mark\n", __func__, __LINE__)
+/* file does not exist */
#define D_NOEXIST 0x1
+/* files are different types */
#define D_TYPE 0x2
+/* metadata is different */
#define D_MD 0x4
+/* content or link target is different */
#define D_HASH 0x8
+/* file to be installed is a directory */
#define D_ISDIR 0x10
+/* path on disk is a directory */
#define D_EISDIR 0x20
+/* usernames different */
#define D_UID 0x40
+/* group names different */
#define D_GID 0x80
+/* file mode is different */
#define D_MODE 0x100
+/* mtimes are different */
#define D_MTIME 0x200
+/* the hash of the file we are supposedly replacing is different than
+ * the the hash of the file on disk
+ */
#define D_OHASH 0x400
+/* an error occurred trying to compare the file (other than it doesn't exist */
#define D_ERROR 0x1000
+/* there was a stat error */
#define D_STATERROR 0x2000
+/* there was an error calling readlink */
#define D_RLERROR 0x4000
/* 1 = file doesn't exist, 2 = file is a directory, target isn't */
}
if (n->hash && etype == S_IFLNK && stat_type == S_IFLNK) {
lsize = readlink(n->dest, link, sizeof link);
+
if (lsize == -1 || lsize == sizeof link) {
diff |= D_RLERROR;
diff |= D_ERROR;
- } else if (strcmp(n->target, link) != 0) {
- diff |= D_HASH;
+ } else {
+ link[lsize] = 0;
+ if (strcmp(n->target, link) != 0) {
+ diff |= D_HASH;
+ }
}
}
if (n->uid != st->st_uid) {
static int read_item(struct config *conf, int ncols, char **vals, char **cols,
struct nitem *n) {
char *val;
+ long lval;
struct passwd *pw;
struct group *gr;
struct nitem zero = { 0 };
seterror(conf, "can't determine config status");
return 0;
}
- n->configuration = strtoul(val, NULL, 10);
+ lval = strtol(val, NULL, 10);
+
+ n->configuration = ((lval & 1) != 0);
+ n->oldwasconf = ((lval & 2) != 0);
val = COL("filetype");
if (!val || strlen(val) == 0) {
printf("rmdir %s\n", item->dest);
}
- printf("install %c%o %d:%d %s -> %s\n", item->ftype,
- item->mode, item->uid, item->gid, item->path,
+ printf("install %c%o %d:%d %s\n", item->ftype,
+ item->mode, item->uid, item->gid,
item->dest);
fflush(stdout);
return success;
}
/*
- *
+ * figure out what the difference is for a config file, only called
+ * for an update of a configuration file
+ * return -1 on an error
+ * return 1 if the new file should not be installed
+ * return 0 if the new file should be installed
*/
static int adjust_for_config(struct config *conf, struct nitem *n, unsigned int
diffs) {
-#if 0
+
if (!n->oldwasconf) {
return 0;
}
-#endif
+
/* TODO what if old was a directory? */
if (!n->configuration) {
/* replacing conf with non-conf */
/* absorb file, mark todo */
char hash[ZPM_HASH_STRLEN+1];
- if (zpm_import(conf->log, n->dest, 0, hash)) {
- zpm_note_add(conf->log, n->pkglist, n->dest, hash,
- "replaced config file with non-config. zpm-cat %.8s", hash);
+ if (!conf->dryrun) {
+ if (conf->verbose) {
+ fprintf(stderr, "importing old conf file\n");
+ }
+ if (zpm_import(conf->log, n->dest, 0, hash)) {
+ zpm_note_add(conf->log, n->pkglist, n->dest, hash,
+ "replaced config file with non-config. zpm-cat %.8s", hash);
+ } else {
+ fprintf(stderr, "unable to import existing config file %s\n", n->dest);
+ return -1;
+ }
} else {
- fprintf(stderr, "unable to import existing config file %s\n", n->dest);
- return 1;
+ fprintf(stderr, "dry-run: would replace config file %s with non-config file\n", n->dest);
}
return 0;
}
/* both config directories, can only be changing
* metadata, so no adjustment needed
*/
+ if (conf->verbose) {
+ fprintf(stderr, "both config dirs, ok to update\n");
+ }
return 0;
}
/* replacing old file with new directory */
/* absorb, make note */
- if (zpm_import(conf->log, n->dest, 0, hash)) {
- zpm_note_add(conf->log, n->pkglist, n->dest, hash,
- "replaced config file with config directory. zpm-cat %.8s", hash);
+ if (!conf->dryrun) {
+ if (zpm_import(conf->log, n->dest, 0, hash)) {
+ zpm_note_add(conf->log, n->pkglist, n->dest, hash,
+ "replaced config file with config directory. zpm-cat %.8s", hash);
+ } else {
+ fprintf(stderr, "unable to import existing config file %s\n", n->dest);
+ return -1;
+ }
} else {
- fprintf(stderr, "unable to import existing config file %s\n", n->dest);
- return -1;
+ fprintf(stderr, "dry-run: would replace config file %s with config directory\n", n->dest);
}
- return 0;
+ return 0;
}
if (eisdir) {
/* replacing old file with new file */
/* new is same as on disk */
if (!(diffs & D_HASH)) {
+ if (conf->verbose) {
+ fprintf(stderr, "new config file is already on disk, probably shouldn't happen\n");
+ }
return 0;
}
/* new is different than on disk, but on disk is same as old */
if (!(diffs & D_OHASH)) {
+ if (conf->verbose) {
+ fprintf(stderr, "old config file not changed from default, replacing with new default\n");
+ }
/* ok to do the update, since same as default */
fprintf(stderr, "updating default config %s\n", n->dest);
return 0;
/* new is different than on disk, and disk different than old */
/* log */
- zpm_note_add(conf->log, n->pkglist, n->dest, n->hash,
- "default config file update. zpm-cat %.8s", n->hash);
- /* TODO check for note error */
+ if (conf->verbose) {
+ fprintf(stderr, "new default config file is different than on disk, and old default was changed, should keep on-disk config\n");
+ }
+ if (!conf->dryrun) {
+ zpm_note_add(conf->log, n->pkglist, n->dest, n->hash,
+ "default config file update. zpm-cat %.8s", n->hash);
+ /* TODO check for note error */
+ } else {
+ fprintf(stderr, "dry-run: default config file %s update\n",
+ n->dest);
+ }
return 1;
}
if (mdsame && hashsame && (accept || overwrite)) {
/* do nothing */
if (conf->dryrun || conf->verbose) {
- fprintf(stderr, "accepting existing file: %s\n", nitem.dest);
+ fprintf(stderr, "accept %s: %s\n",
+ eisdir ? "directory" : "file", nitem.dest);
}
return 0;
}
+
if (mdsame && hashsame && !(accept || overwrite)) {
/* error */
- return seterror(conf, "will not accept or overwrite existing file: %s", nitem.dest);
+ return seterror(conf, "file exists: %s", nitem.dest);
}
+
if (mdsame && !hashsame && overwrite) {
/* install */
return install(conf, &nitem, eisdir ? 11 : 7);
}
+
+ if (nitem.configuration && accept) {
+ /* accept a changed config file */
+ if (conf->dryrun || conf->verbose) {
+ fprintf(stderr, "accept %smodified config %s: %s\n", (!mdsame || !hashsame) ? "" : "un",
+ eisdir ? "directory" : "file", nitem.dest);
+ }
+ return 0;
+ }
+
if (mdsame && !hashsame && !overwrite) {
/* accept doesn't matter, since it's
* not an acceptable file */
/* error */
- return seterror(conf, "%s (hashdiff): %s", accept ? "existing file not acceptable" : "file exists", nitem.dest);
+ if (nitem.ftype == 'l') {
+ char link[1024];
+ ssize_t lsize;
+ lsize = readlink(nitem.dest, link, sizeof link);
+ if (lsize == -1 || (size_t)lsize >= sizeof link) {
+ return seterror(conf, "%s (linkdiff): expecting %s -> %s, unable to read link", accept ? "existing file not acceptable" : "file exists", nitem.dest, nitem.target, link);
+ } else {
+ link[lsize] = 0;
+ /* links must be different */
+ return seterror(conf, "%s (linkdiff): expecting %s -> %s, have -> %s", accept ? "existing file not acceptable" : "file exists", nitem.dest, nitem.target, link);
+ }
+ } else {
+ return seterror(conf, "%s (hashdiff): %s", accept ? "existing file not acceptable" : "file exists", nitem.dest);
+ }
}
if (!mdsame && hashsame && overwrite) {
/* fix md */