Checkpoint for installation of binary packages.

--HG-- extra : convert_revision : 0bc55ebae04b2e1e5ab20feca786b649fc2e0335
2008-12-23 12:28:21 +01:00 · 2008-12-23 12:28:21 +01:00 · 26c054d773
commit 26c054d773
parent 9bb392de51
12 changed files with 510 additions and 185 deletions
--- a/lib/install.c
+++ b/lib/install.c
@ -0,0 +1,131 @@
+/*-
+ * Copyright (c) 2008 Juan Romero Pardines.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <stdio.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <limits.h>
+
+#include <xbps_api.h>
+
+static int unpack_archive_cb(struct archive *);
+
+int
+xbps_install_binary_pkg(const char *pkgname, const char *dest)
+{
+	prop_dictionary_t repo_dict, pkg_rdict, dict;
+	prop_object_t obj;
+	const char *repo = "/storage/xbps/binpkgs/pkg-index.plist";
+	char dbfile[PATH_MAX], binfile[PATH_MAX];
+	int rv = 0;
+
+	assert(pkgname != NULL);
+	if (dest) {
+		if ((rv = chdir(dest)) != 0)
+			return XBPS_PKG_ECHDIRDEST;
+	}
+
+	/* Get pkg metadata from a repository */
+	repo_dict = prop_dictionary_internalize_from_file(repo);
+	pkg_rdict = xbps_find_pkg_in_dict(repo_dict, pkgname);
+	if (pkg_rdict == NULL)
+		return XBPS_PKG_ENOTINREPO;
+
+	if (!xbps_append_full_path(dbfile, NULL, XBPS_REGPKGDB))
+		return EINVAL;
+
+	/* Check if package is already installed. */
+	dict = prop_dictionary_internalize_from_file(dbfile);
+	if (dict && xbps_find_pkg_in_dict(dict, pkgname))
+		return XBPS_PKG_EEXIST;
+
+	/* Looks like it's not, check dependencies and install */
+	switch (xbps_check_reqdeps_in_pkg(dbfile, pkg_rdict)) {
+	case -1:
+		/* There was an error checking pkg deps */
+		return XBPS_PKG_EINDEPS;
+	case 0:
+		/* Package has no deps, just install it */
+		obj = prop_dictionary_get(pkg_rdict, "filename");
+		strncpy(binfile, "/storage/xbps/binpkgs/", PATH_MAX - 1);
+		strncat(binfile, prop_string_cstring_nocopy(obj), PATH_MAX - 1);
+		obj = prop_dictionary_get(pkg_rdict, "version");
+
+		printf("=> Installing %s-%s ... ", pkgname,
+		    prop_string_cstring_nocopy(obj));
+
+		rv = xbps_unpack_binary_pkg(binfile, unpack_archive_cb);
+		break;
+	case 1:
+		/* Package needs deps */
+		break;
+	}
+
+	return rv;
+}
+
+static int
+unpack_archive_cb(struct archive *ar)
+{
+	struct archive_entry *entry;
+	int rv = 0;
+
+	while (archive_read_next_header(ar, &entry) == ARCHIVE_OK) {
+		if ((rv = archive_read_extract(ar, entry, 0)) != 0) {
+			printf("couldn't write %s (%s), ignoring!\n",
+			    archive_entry_pathname(entry), strerror(errno));
+		}
+	}
+
+	printf("done.\n");
+	archive_read_finish(ar);
+	return rv;
+}
+
+int
+xbps_unpack_binary_pkg(const char *filename, int (*cb)(struct archive *))
+{
+	struct archive *ar;
+	int rv;
+
+	assert(filename != NULL);
+
+	ar = archive_read_new();
+	if (ar == NULL)
+		return ENOMEM;
+
+	/* Enable support for all format and compression methods */
+	archive_read_support_compression_all(ar);
+	archive_read_support_format_all(ar);
+
+	if ((rv = archive_read_open_filename(ar, filename, 2048)) != 0) {
+		archive_read_finish(ar);
+		return rv;
+	}
+
+	return (*cb)(ar);
+}