1 files changed, 108 insertions, 92 deletions

diff --git a/lib/libalpm/add.c b/lib/libalpm/add.c
index f39a0ecf..702b12e9 100644
--- a/lib/libalpm/add.c
+++ b/lib/libalpm/add.c
@@ -1,7 +1,7 @@
 /*
  *  add.c
  *
- *  Copyright (c) 2006-2010 Pacman Development Team <pacman-dev@archlinux.org>
+ *  Copyright (c) 2006-2011 Pacman Development Team <pacman-dev@archlinux.org>
  *  Copyright (c) 2002-2006 by Judd Vinet <jvinet@zeroflux.org>
  *
  *  This program is free software; you can redistribute it and/or modify
@@ -40,7 +40,6 @@
 #include "alpm_list.h"
 #include "trans.h"
 #include "util.h"
-#include "cache.h"
 #include "log.h"
 #include "backup.h"
 #include "package.h"
@@ -50,64 +49,92 @@
 #include "remove.h"
 #include "handle.h"
 
-/** Add a file target to the transaction.
- * @param target the name of the file target to add
+/** Add a package to the transaction.
+ * @param pkg the package to add
  * @return 0 on success, -1 on error (pm_errno is set accordingly)
  */
-int SYMEXPORT alpm_add_target(char *target)
+int SYMEXPORT alpm_add_pkg(pmpkg_t *pkg)
 {
-	pmpkg_t *pkg = NULL;
 	const char *pkgname, *pkgver;
-	alpm_list_t *i;
 	pmtrans_t *trans;
+	pmdb_t *db_local;
+	pmpkg_t *local;
 
 	ALPM_LOG_FUNC;
 
 	/* Sanity checks */
-	ASSERT(target != NULL && strlen(target) != 0, RET_ERR(PM_ERR_WRONG_ARGS, -1));
+	ASSERT(pkg != NULL, RET_ERR(PM_ERR_WRONG_ARGS, -1));
 	ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1));
 	trans = handle->trans;
 	ASSERT(trans != NULL, RET_ERR(PM_ERR_TRANS_NULL, -1));
 	ASSERT(trans->state == STATE_INITIALIZED, RET_ERR(PM_ERR_TRANS_NOT_INITIALIZED, -1));
 	ASSERT(trans != NULL, RET_ERR(PM_ERR_TRANS_NULL, -1));
+	db_local = handle->db_local;
 
-	_alpm_log(PM_LOG_DEBUG, "loading target '%s'\n", target);
-
-	if(alpm_pkg_load(target, 1, &pkg) != 0) {
-		goto error;
-	}
 	pkgname = alpm_pkg_get_name(pkg);
 	pkgver = alpm_pkg_get_version(pkg);
 
-	/* check if an older version of said package is already in transaction
-	 * packages.  if so, replace it in the list */
-	for(i = trans->add; i; i = i->next) {
-		pmpkg_t *transpkg = i->data;
-		if(strcmp(transpkg->name, pkgname) == 0) {
-			if(alpm_pkg_vercmp(transpkg->version, pkgver) < 0) {
-				_alpm_log(PM_LOG_WARNING,
-						_("replacing older version %s-%s by %s in target list\n"),
-						transpkg->name, transpkg->version, pkgver);
-				_alpm_pkg_free(i->data);
-				i->data = pkg;
+	_alpm_log(PM_LOG_DEBUG, "adding package '%s'\n", pkgname);
+
+	if(_alpm_pkg_find(trans->add, pkgname)) {
+		RET_ERR(PM_ERR_TRANS_DUP_TARGET, -1);
+	}
+
+	local = _alpm_db_get_pkgfromcache(db_local, pkgname);
+	if(local) {
+		const char *localpkgname = alpm_pkg_get_name(local);
+		const char *localpkgver = alpm_pkg_get_version(local);
+		int cmp = _alpm_pkg_compare_versions(pkg, local);
+
+		if(cmp == 0) {
+			if(trans->flags & PM_TRANS_FLAG_NEEDED) {
+				/* with the NEEDED flag, packages up to date are not reinstalled */
+				_alpm_log(PM_LOG_WARNING, _("%s-%s is up to date -- skipping\n"),
+						localpkgname, localpkgver);
+				return(0);
 			} else {
-				_alpm_log(PM_LOG_WARNING,
-						_("skipping %s-%s because newer version %s is in target list\n"),
-						pkgname, pkgver, transpkg->version);
-				_alpm_pkg_free(pkg);
+				_alpm_log(PM_LOG_WARNING, _("%s-%s is up to date -- reinstalling\n"),
+						localpkgname, localpkgver);
 			}
-			return(0);
+		} else if(cmp < 0) {
+			/* local version is newer */
+			_alpm_log(PM_LOG_WARNING, _("downgrading package %s (%s => %s)\n"),
+					localpkgname, localpkgver, pkgver);
 		}
 	}
 
 	/* add the package to the transaction */
+	pkg->reason = PM_PKG_REASON_EXPLICIT;
+	_alpm_log(PM_LOG_DEBUG, "adding package %s-%s to the transaction targets\n",
+						pkgname, pkgver);
 	trans->add = alpm_list_add(trans->add, pkg);
 
 	return(0);
+}
+
+static int perform_extraction(struct archive *archive,
+		struct archive_entry *entry, const char *filename, const char *origname)
+{
+	int ret;
+	const int archive_flags = ARCHIVE_EXTRACT_OWNER |
+	                          ARCHIVE_EXTRACT_PERM |
+	                          ARCHIVE_EXTRACT_TIME;
 
-error:
-	_alpm_pkg_free(pkg);
-	return(-1);
+	archive_entry_set_pathname(entry, filename);
+
+	ret = archive_read_extract(archive, entry, archive_flags);
+	if(ret == ARCHIVE_WARN && archive_errno(archive) != ENOSPC) {
+		/* operation succeeded but a "non-critical" error was encountered */
+		_alpm_log(PM_LOG_WARNING, _("warning given when extracting %s (%s)\n"),
+				origname, archive_error_string(archive));
+	} else if(ret != ARCHIVE_OK) {
+		_alpm_log(PM_LOG_ERROR, _("could not extract %s (%s)\n"),
+				origname, archive_error_string(archive));
+		alpm_logaction("error: could not extract %s (%s)\n",
+				origname, archive_error_string(archive));
+		return(1);
+	}
+	return(0);
 }
 
 static int extract_single_file(struct archive *archive,
@@ -120,9 +147,6 @@ static int extract_single_file(struct archive *archive,
 	int needbackup = 0, notouch = 0;
 	char *hash_orig = NULL;
 	char *entryname_orig = NULL;
-	const int archive_flags = ARCHIVE_EXTRACT_OWNER |
-	                          ARCHIVE_EXTRACT_PERM |
-	                          ARCHIVE_EXTRACT_TIME;
 	int errors = 0;
 
 	entryname = archive_entry_pathname(entry);
@@ -161,14 +185,6 @@ static int extract_single_file(struct archive *archive,
 		return(0);
 	}
 
-	/* if a file is in the add skiplist we never extract it */
-	if(alpm_list_find_str(trans->skip_add, filename)) {
-		_alpm_log(PM_LOG_DEBUG, "%s is in trans->skip_add, skipping extraction\n",
-				entryname);
-		archive_read_data_skip(archive);
-		return(0);
-	}
-
 	/* Check for file existence. This is one of the more crucial parts
 	 * to get 'right'. Here are the possibilities, with the filesystem
 	 * on the left and the package on the top:
@@ -277,18 +293,10 @@ static int extract_single_file(struct archive *archive,
 		int ret;
 
 		snprintf(checkfile, PATH_MAX, "%s.paccheck", filename);
-		archive_entry_set_pathname(entry, checkfile);
-
-		ret = archive_read_extract(archive, entry, archive_flags);
-		if(ret == ARCHIVE_WARN) {
-			/* operation succeeded but a non-critical error was encountered */
-			_alpm_log(PM_LOG_DEBUG, "warning extracting %s (%s)\n",
-					entryname_orig, archive_error_string(archive));
-		} else if(ret != ARCHIVE_OK) {
-			_alpm_log(PM_LOG_ERROR, _("could not extract %s (%s)\n"),
-					entryname_orig, archive_error_string(archive));
-			alpm_logaction("error: could not extract %s (%s)\n",
-					entryname_orig, archive_error_string(archive));
+
+		ret = perform_extraction(archive, entry, checkfile, entryname_orig);
+		if(ret == 1) {
+			/* error */
 			FREE(hash_orig);
 			FREE(entryname_orig);
 			return(1);
@@ -430,18 +438,9 @@ static int extract_single_file(struct archive *archive,
 			unlink(filename);
 		}
 
-		archive_entry_set_pathname(entry, filename);
-
-		ret = archive_read_extract(archive, entry, archive_flags);
-		if(ret == ARCHIVE_WARN) {
-			/* operation succeeded but a non-critical error was encountered */
-			_alpm_log(PM_LOG_DEBUG, "warning extracting %s (%s)\n",
-					entryname_orig, archive_error_string(archive));
-		} else if(ret != ARCHIVE_OK) {
-			_alpm_log(PM_LOG_ERROR, _("could not extract %s (%s)\n"),
-					entryname_orig, archive_error_string(archive));
-			alpm_logaction("error: could not extract %s (%s)\n",
-					entryname_orig, archive_error_string(archive));
+		ret = perform_extraction(archive, entry, filename, entryname_orig);
+		if(ret == 1) {
+			/* error */
 			FREE(entryname_orig);
 			return(1);
 		}
@@ -473,8 +472,8 @@ static int extract_single_file(struct archive *archive,
 	return(errors);
 }
 
-static int commit_single_pkg(pmpkg_t *newpkg, int pkg_current, int pkg_count,
-		pmtrans_t *trans, pmdb_t *db)
+static int commit_single_pkg(pmpkg_t *newpkg, size_t pkg_current,
+		size_t pkg_count, pmtrans_t *trans, pmdb_t *db)
 {
 	int i, ret = 0, errors = 0;
 	char scriptlet[PATH_MAX+1];
@@ -498,7 +497,7 @@ static int commit_single_pkg(pmpkg_t *newpkg, int pkg_current, int pkg_count,
 		oldpkg = _alpm_pkg_dup(local);
 		/* make sure all infos are loaded because the database entry
 		 * will be removed soon */
-		_alpm_db_read(oldpkg->origin_data.db, oldpkg, INFRQ_ALL);
+		_alpm_local_db_read(oldpkg->origin_data.db, oldpkg, INFRQ_ALL);
 
 		EVENT(trans, PM_TRANS_EVT_UPGRADE_START, newpkg, oldpkg);
 		_alpm_log(PM_LOG_DEBUG, "upgrading package %s-%s\n",
@@ -544,7 +543,7 @@ static int commit_single_pkg(pmpkg_t *newpkg, int pkg_current, int pkg_count,
 
 	/* prepare directory for database entries so permission are correct after
 	   changelog/install script installation (FS#12263) */
-	if(_alpm_db_prepare(db, newpkg)) {
+	if(_alpm_local_db_prepare(db, newpkg)) {
 		alpm_logaction("error: could not create database entry %s-%s\n",
 				alpm_pkg_get_name(newpkg), alpm_pkg_get_version(newpkg));
 		pm_errno = PM_ERR_DB_WRITE;
@@ -556,6 +555,7 @@ static int commit_single_pkg(pmpkg_t *newpkg, int pkg_current, int pkg_count,
 		struct archive *archive;
 		struct archive_entry *entry;
 		char cwd[PATH_MAX] = "";
+		int restore_cwd = 0;
 
 		_alpm_log(PM_LOG_DEBUG, "extracting files\n");
 
@@ -579,11 +579,16 @@ static int commit_single_pkg(pmpkg_t *newpkg, int pkg_current, int pkg_count,
 		/* save the cwd so we can restore it later */
 		if(getcwd(cwd, PATH_MAX) == NULL) {
 			_alpm_log(PM_LOG_ERROR, _("could not get current working directory\n"));
-			cwd[0] = 0;
+		} else {
+			restore_cwd = 1;
 		}
 
 		/* libarchive requires this for extracting hard links */
-		chdir(handle->root);
+		if(chdir(handle->root) != 0) {
+			_alpm_log(PM_LOG_ERROR, _("could not change directory to %s (%s)\n"), handle->root, strerror(errno));
+			ret = -1;
+			goto cleanup;
+		}
 
 		/* call PROGRESS once with 0 percent, as we sort-of skip that here */
 		if(is_upgrade) {
@@ -595,31 +600,31 @@ static int commit_single_pkg(pmpkg_t *newpkg, int pkg_current, int pkg_count,
 		}
 
 		for(i = 0; archive_read_next_header(archive, &entry) == ARCHIVE_OK; i++) {
-			double percent;
+			int percent;
 
 			if(newpkg->size != 0) {
 				/* Using compressed size for calculations here, as newpkg->isize is not
 				 * exact when it comes to comparing to the ACTUAL uncompressed size
 				 * (missing metadata sizes) */
 				int64_t pos = archive_position_compressed(archive);
-				percent = (double)pos / (double)newpkg->size;
+				percent = (pos * 100) / newpkg->size;
 				_alpm_log(PM_LOG_DEBUG, "decompression progress: "
-						"%f%% (%"PRId64" / %jd)\n",
-						percent*100.0, pos, (intmax_t)newpkg->size);
-				if(percent >= 1.0) {
-					percent = 1.0;
+						"%d%% (%"PRId64" / %jd)\n",
+						percent, pos, (intmax_t)newpkg->size);
+				if(percent >= 100) {
+					percent = 100;
 				}
 			} else {
-				percent = 0.0;
+				percent = 0;
 			}
 
 			if(is_upgrade) {
 				PROGRESS(trans, PM_TRANS_PROGRESS_UPGRADE_START,
-						alpm_pkg_get_name(newpkg), (int)(percent * 100), pkg_count,
+						alpm_pkg_get_name(newpkg), percent, pkg_count,
 						pkg_current);
 			} else {
 				PROGRESS(trans, PM_TRANS_PROGRESS_ADD_START,
-						alpm_pkg_get_name(newpkg), (int)(percent * 100), pkg_count,
+						alpm_pkg_get_name(newpkg), percent, pkg_count,
 						pkg_current);
 			}
 
@@ -629,9 +634,9 @@ static int commit_single_pkg(pmpkg_t *newpkg, int pkg_current, int pkg_count,
 		}
 		archive_read_finish(archive);
 
-		/* restore the old cwd is we have it */
-		if(strlen(cwd)) {
-			chdir(cwd);
+		/* restore the old cwd if we have it */
+		if(restore_cwd && chdir(cwd) != 0) {
+			_alpm_log(PM_LOG_ERROR, _("could not change directory to %s (%s)\n"), cwd, strerror(errno));
 		}
 
 		if(errors) {
@@ -656,7 +661,7 @@ static int commit_single_pkg(pmpkg_t *newpkg, int pkg_current, int pkg_count,
 	_alpm_log(PM_LOG_DEBUG, "updating database\n");
 	_alpm_log(PM_LOG_DEBUG, "adding database entry '%s'\n", newpkg->name);
 
-	if(_alpm_db_write(db, newpkg, INFRQ_ALL)) {
+	if(_alpm_local_db_write(db, newpkg, INFRQ_ALL)) {
 		_alpm_log(PM_LOG_ERROR, _("could not update database entry %s-%s\n"),
 				alpm_pkg_get_name(newpkg), alpm_pkg_get_version(newpkg));
 		alpm_logaction("error: could not update database entry %s-%s\n",
@@ -705,7 +710,8 @@ cleanup:
 
 int _alpm_upgrade_packages(pmtrans_t *trans, pmdb_t *db)
 {
-	int pkg_count, pkg_current;
+	size_t pkg_count, pkg_current;
+	int skip_ldconfig = 0, ret = 0;
 	alpm_list_t *targ;
 
 	ALPM_LOG_FUNC;
@@ -723,18 +729,28 @@ int _alpm_upgrade_packages(pmtrans_t *trans, pmdb_t *db)
 	/* loop through our package list adding/upgrading one at a time */
 	for(targ = trans->add; targ; targ = targ->next) {
 		if(handle->trans->state == STATE_INTERRUPTED) {
-			return(0);
+			return(ret);
 		}
 
 		pmpkg_t *newpkg = (pmpkg_t *)targ->data;
-		commit_single_pkg(newpkg, pkg_current, pkg_count, trans, db);
+		if(commit_single_pkg(newpkg, pkg_current, pkg_count, trans, db)) {
+			/* something screwed up on the commit, abort the trans */
+			trans->state = STATE_INTERRUPTED;
+			pm_errno = PM_ERR_TRANS_ABORT;
+			/* running ldconfig at this point could possibly screw system */
+			skip_ldconfig = 1;
+			ret = -1;
+		}
+
 		pkg_current++;
 	}
 
-	/* run ldconfig if it exists */
-	_alpm_ldconfig(handle->root);
+	if(!skip_ldconfig) {
+		/* run ldconfig if it exists */
+		_alpm_ldconfig(handle->root);
+	}
 
-	return(0);
+	return(ret);
 }
 
 /* vim: set ts=2 sw=2 noet: */