]> pd.if.org Git - zpackage/blobdiff - zpm-syncfs.c
add -m option to add to set file mode
[zpackage] / zpm-syncfs.c
index d2847cf2387f295b9e2d393e94dcd8e29189cbca..ecc66c84f8bec7df14a66bd2ad21a50e8fe81431 100644 (file)
@@ -41,7 +41,9 @@ struct nitem {
        char *dest;
        char *path;
        char *hash, *ohash;
+       char *mds, *omds;
        char *target;
+       char *pkglist; /* space separated */
        time_t mtime;
        mode_t mode;
        int ftype;
@@ -481,7 +483,11 @@ static int read_item(struct config *conf, int ncols, char **vals, char **cols,
        }
        n->ftype = *val;
 
-       n->ohash = COL("hash");
+       /* these can be null */
+       n->ohash = COL("ohash");
+       n->mds = COL("mds");
+       n->omds = COL("omds");
+       n->pkglist = COL("pkglist");
 
        if (n->ftype == 'r') {
                n->hash = COL("hash");
@@ -703,12 +709,94 @@ static int install(struct config *conf, struct nitem *item, unsigned int flags)
        return success;
 }
 
+/*
+ *
+ */
+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);
+               } else {
+                       fprintf(stderr, "unable to import existing config file %s\n", n->dest);
+                       return 1;
+               }
+               return 0;
+       }
+
+       int sametype = (!(diffs & D_TYPE));
+       int isdir = (diffs & D_ISDIR);
+       int eisdir = (diffs & D_EISDIR);
+
+       /* both old and new are config files */
+       if (isdir && sametype) {
+               /* both config directories, can only be changing
+                * metadata, so no adjustment needed
+                */
+               return 0;
+       }
+
+       if (isdir) {
+               char hash[ZPM_HASH_STRLEN+1];
+
+               /* 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);
+               } else {
+                       fprintf(stderr, "unable to import existing config file %s\n", n->dest);
+                       return -1;
+               }
+               return 0;
+       }
+
+       if (eisdir) {
+               /* replacing old conf directory with a conf file.
+                * nothing needs to be done, if the directory
+                * is empty, it's ok to remove.  if it's not empty,
+                * the install will fail
+                */
+               return 0;
+       }
+       
+       /* replacing old file with new file */
+       /* new is same as on disk */
+       if (!(diffs & D_HASH)) {
+               return 0;
+       }
+
+       /* new is different than on disk, but on disk is same as old */
+       if (!(diffs & D_OHASH)) {
+               /* 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 */
+       return 1;
+
+}
+
 static int install_files(void *f, int ncols, char **vals, char **cols) {
        struct config *conf = f;
        struct nitem nitem;
        struct stat existing;
        int update = 0;
-       char dest[4096];
 
        /* TODO put the result row in a hash table.  May not actually
         * be faster
@@ -770,31 +858,39 @@ static int install_files(void *f, int ncols, char **vals, char **cols) {
                        return install(conf, &nitem, 3);
                }
 
-               if (nitem.configuration) {
-                       /* ohash == nhash, not an update */
-                       /* fhash == ohash, just update */
-                       /* fhash != ohash, install as dest.zpmnew, warn */
-                       /* TODO handle replacing config file
-                        * with config directory */
-                       if (diffs & D_OHASH) {
-                               if (strlen(nitem.dest) > sizeof dest - 8) {
-                                       return seterror(conf,"config file path too long for install as %s.zpmnew", nitem.dest);
-                               }
-                               fprintf(stderr, "installing as .zpmnew\n");
-                               sprintf(dest, "%s.zpmnew", nitem.dest);
-                               nitem.dest = dest;
-                       }
+               switch (adjust_for_config(conf, &nitem, diffs)) {
+                       case -1: return conf->errabort; break;
+                       case 1:
+                       fprintf(stderr, "skipping changed default config file: %s\n", nitem.dest);
+                       return 0; break;
+                       default: break;
                }
 
                /* file exists in filesystem */
                if (sametype) {
                        if (mdsame && hashsame) {
-                               fprintf(stderr, "%s should not be an update", nitem.dest);
-                               /* warn, bug in logic.  This shouldn't
-                                * occur, because if there is nothing
-                                * to do, it shouldn't be listed
-                                * as an update
+                               /* warn, bug in logic.  This shouldn't occur,
+                                * because if there is nothing to do, it
+                                * shouldn't be listed as an update
+                                */
+                               /* could be an update.  We're checking against
+                                * what's actually on disk, not what was
+                                * expected to have been on disk.  So, if
+                                * the admin has modified the file, or if
+                                * it had been installed ignoring the user
+                                * and group, it might be correct on disk
+                                * but not as in the local database
+                                */
+                               /* TODO detect whether this a logic bug or
+                                * an on-disk difference
                                 */
+#if 0
+                               fprintf(stderr, "%s should not be an update\n", nitem.dest);
+                               fprintf(stderr, "old hash: %s\n", nitem.ohash);
+                               fprintf(stderr, "new hash: %s\n", nitem.hash);
+                               fprintf(stderr, "old mds: %s\n", nitem.omds);
+                               fprintf(stderr, "new mds: %s\n", nitem.mds);
+#endif
                                /* do nothing */
                                return 0;
                        }
@@ -831,6 +927,7 @@ static int install_files(void *f, int ncols, char **vals, char **cols) {
                        return install(conf, &nitem, 7);
                }
                /* error, should not be possible, assert(0)? */
+               fprintf(stderr,"impossible state: %s:%d\n", __func__, __LINE__);
        }
 
        if (installing) {