| index : pacman | |
| Archlinux32 fork of pacman | gitolite user |
| summaryrefslogtreecommitdiff |
| -rw-r--r-- | lib/libalpm/trans.c | 259 |
diff --git a/lib/libalpm/trans.c b/lib/libalpm/trans.c index bf9ef722..507ea027 100644 --- a/lib/libalpm/trans.c +++ b/lib/libalpm/trans.c @@ -28,11 +28,8 @@ #include <string.h> #include <unistd.h> #include <sys/types.h> -#include <sys/stat.h> -#include <sys/statvfs.h> #include <errno.h> #include <limits.h> -#include <fcntl.h> /* libalpm */ #include "trans.h" @@ -41,91 +38,42 @@ #include "util.h" #include "log.h" #include "handle.h" -#include "add.h" #include "remove.h" #include "sync.h" #include "alpm.h" -#include "deps.h" /** \addtogroup alpm_trans Transaction Functions * @brief Functions to manipulate libalpm transactions * @{ */ -/* Create a lock file */ -static int make_lock(pmhandle_t *handle) -{ - int fd; - char *dir, *ptr; - - ASSERT(handle->lockfile != NULL, return -1); - - /* create the dir of the lockfile first */ - dir = strdup(handle->lockfile); - ptr = strrchr(dir, '/'); - if(ptr) { - *ptr = '\0'; - } - if(_alpm_makepath(dir)) { - FREE(dir); - return(-1); - } - FREE(dir); - - do { - fd = open(handle->lockfile, O_WRONLY | O_CREAT | O_EXCL, 0000); - } while (fd == -1 && errno == EINTR); - if(fd > 0) { - FILE *f = fdopen(fd, "w"); - fprintf(f, "%ld\n", (long)getpid()); - fflush(f); - fsync(fd); - handle->lckstream = f; - return(0); - } - return(-1); -} - -/* Remove a lock file */ -static int remove_lock(pmhandle_t *handle) -{ - if(handle->lckstream != NULL) { - fclose(handle->lckstream); - handle->lckstream = NULL; - } - if(unlink(handle->lockfile) == -1 && errno != ENOENT) { - return(-1); - } - return(0); -} - /** Initialize the transaction. */ -int SYMEXPORT alpm_trans_init(pmtransflag_t flags, +int SYMEXPORT alpm_trans_init(pmhandle_t *handle, pmtransflag_t flags, alpm_trans_cb_event event, alpm_trans_cb_conv conv, alpm_trans_cb_progress progress) { pmtrans_t *trans; - const int required_db_version = 2; - int db_version; - - ALPM_LOG_FUNC; + alpm_list_t *i; /* Sanity checks */ - ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1)); - ASSERT(handle->trans == NULL, RET_ERR(PM_ERR_TRANS_NOT_NULL, -1)); + CHECK_HANDLE(handle, return -1); + ASSERT(handle->trans == NULL, RET_ERR(handle, PM_ERR_TRANS_NOT_NULL, -1)); - /* lock db */ - if(!(flags & PM_TRANS_FLAG_NOLOCK)) { - if(make_lock(handle)) { - RET_ERR(PM_ERR_HANDLE_LOCK, -1); + for(i = handle->dbs_sync; i; i = i->next) { + const pmdb_t *db = i->data; + if(!(db->status & DB_STATUS_VALID)) { + RET_ERR(handle, PM_ERR_DB_INVALID, -1); } } - trans = _alpm_trans_new(); - if(trans == NULL) { - RET_ERR(PM_ERR_MEMORY, -1); + /* lock db */ + if(!(flags & PM_TRANS_FLAG_NOLOCK)) { + if(_alpm_handle_lock(handle)) { + RET_ERR(handle, PM_ERR_HANDLE_LOCK, -1); + } } + CALLOC(trans, 1, sizeof(pmtrans_t), RET_ERR(handle, PM_ERR_MEMORY, -1)); trans->flags = flags; trans->cb_event = event; trans->cb_conv = conv; @@ -134,27 +82,17 @@ int SYMEXPORT alpm_trans_init(pmtransflag_t flags, handle->trans = trans; - /* check database version */ - db_version = _alpm_db_version(handle->db_local); - if(db_version < required_db_version) { - _alpm_log(PM_LOG_ERROR, - _("%s database version is too old\n"), handle->db_local->treename); - remove_lock(handle); - _alpm_trans_free(trans); - RET_ERR(PM_ERR_DB_VERSION, -1); - } - - return(0); + return 0; } -static alpm_list_t *check_arch(alpm_list_t *pkgs) +static alpm_list_t *check_arch(pmhandle_t *handle, alpm_list_t *pkgs) { alpm_list_t *i; alpm_list_t *invalid = NULL; - const char *arch = alpm_option_get_arch(); + const char *arch = alpm_option_get_arch(handle); if(!arch) { - return(NULL); + return NULL; } for(i = pkgs; i; i = i->next) { pmpkg_t *pkg = i->data; @@ -164,134 +102,126 @@ static alpm_list_t *check_arch(alpm_list_t *pkgs) const char *pkgname = alpm_pkg_get_name(pkg); const char *pkgver = alpm_pkg_get_version(pkg); size_t len = strlen(pkgname) + strlen(pkgver) + strlen(pkgarch) + 3; - MALLOC(string, len, RET_ERR(PM_ERR_MEMORY, invalid)); + MALLOC(string, len, RET_ERR(handle, PM_ERR_MEMORY, invalid)); sprintf(string, "%s-%s-%s", pkgname, pkgver, pkgarch); invalid = alpm_list_add(invalid, string); } } - return(invalid); + return invalid; } /** Prepare a transaction. */ -int SYMEXPORT alpm_trans_prepare(alpm_list_t **data) +int SYMEXPORT alpm_trans_prepare(pmhandle_t *handle, alpm_list_t **data) { pmtrans_t *trans; - ALPM_LOG_FUNC; - /* Sanity checks */ - ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1)); - ASSERT(data != NULL, RET_ERR(PM_ERR_WRONG_ARGS, -1)); + CHECK_HANDLE(handle, return -1); + ASSERT(data != NULL, RET_ERR(handle, PM_ERR_WRONG_ARGS, -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(handle, PM_ERR_TRANS_NULL, -1)); + ASSERT(trans->state == STATE_INITIALIZED, RET_ERR(handle, PM_ERR_TRANS_NOT_INITIALIZED, -1)); /* If there's nothing to do, return without complaining */ if(trans->add == NULL && trans->remove == NULL) { - return(0); + return 0; } - alpm_list_t *invalid = check_arch(trans->add); + alpm_list_t *invalid = check_arch(handle, trans->add); if(invalid) { if(data) { *data = invalid; } - RET_ERR(PM_ERR_PKG_INVALID_ARCH, -1); + RET_ERR(handle, PM_ERR_PKG_INVALID_ARCH, -1); } if(trans->add == NULL) { - if(_alpm_remove_prepare(trans, handle->db_local, data) == -1) { + if(_alpm_remove_prepare(handle, data) == -1) { /* pm_errno is set by _alpm_remove_prepare() */ - return(-1); + return -1; } } else { - if(_alpm_sync_prepare(trans, handle->db_local, handle->dbs_sync, data) == -1) { + if(_alpm_sync_prepare(handle, data) == -1) { /* pm_errno is set by _alpm_sync_prepare() */ - return(-1); + return -1; } } trans->state = STATE_PREPARED; - return(0); + return 0; } /** Commit a transaction. */ -int SYMEXPORT alpm_trans_commit(alpm_list_t **data) +int SYMEXPORT alpm_trans_commit(pmhandle_t *handle, alpm_list_t **data) { pmtrans_t *trans; - ALPM_LOG_FUNC; - /* Sanity checks */ - ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1)); + CHECK_HANDLE(handle, return -1); trans = handle->trans; - ASSERT(trans != NULL, RET_ERR(PM_ERR_TRANS_NULL, -1)); - ASSERT(trans->state == STATE_PREPARED, RET_ERR(PM_ERR_TRANS_NOT_PREPARED, -1)); + ASSERT(trans != NULL, RET_ERR(handle, PM_ERR_TRANS_NULL, -1)); + ASSERT(trans->state == STATE_PREPARED, RET_ERR(handle, PM_ERR_TRANS_NOT_PREPARED, -1)); - ASSERT(!(trans->flags & PM_TRANS_FLAG_NOLOCK), RET_ERR(PM_ERR_TRANS_NOT_LOCKED, -1)); + ASSERT(!(trans->flags & PM_TRANS_FLAG_NOLOCK), RET_ERR(handle, PM_ERR_TRANS_NOT_LOCKED, -1)); /* If there's nothing to do, return without complaining */ if(trans->add == NULL && trans->remove == NULL) { - return(0); + return 0; } trans->state = STATE_COMMITING; if(trans->add == NULL) { - if(_alpm_remove_packages(trans, handle->db_local) == -1) { + if(_alpm_remove_packages(handle) == -1) { /* pm_errno is set by _alpm_remove_commit() */ - return(-1); + return -1; } } else { - if(_alpm_sync_commit(trans, handle->db_local, data) == -1) { + if(_alpm_sync_commit(handle, data) == -1) { /* pm_errno is set by _alpm_sync_commit() */ - return(-1); + return -1; } } trans->state = STATE_COMMITED; - return(0); + return 0; } /** Interrupt a transaction. */ -int SYMEXPORT alpm_trans_interrupt(void) +int SYMEXPORT alpm_trans_interrupt(pmhandle_t *handle) { pmtrans_t *trans; - ALPM_LOG_FUNC; - /* Sanity checks */ - ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1)); + CHECK_HANDLE(handle, return -1); trans = handle->trans; - ASSERT(trans != NULL, RET_ERR(PM_ERR_TRANS_NULL, -1)); + ASSERT(trans != NULL, RET_ERR(handle, PM_ERR_TRANS_NULL, -1)); ASSERT(trans->state == STATE_COMMITING || trans->state == STATE_INTERRUPTED, - RET_ERR(PM_ERR_TRANS_TYPE, -1)); + RET_ERR(handle, PM_ERR_TRANS_TYPE, -1)); trans->state = STATE_INTERRUPTED; - return(0); + return 0; } /** Release a transaction. */ -int SYMEXPORT alpm_trans_release(void) +int SYMEXPORT alpm_trans_release(pmhandle_t *handle) { pmtrans_t *trans; - ALPM_LOG_FUNC; - /* Sanity checks */ - ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1)); + CHECK_HANDLE(handle, return -1); trans = handle->trans; - ASSERT(trans != NULL, RET_ERR(PM_ERR_TRANS_NULL, -1)); - ASSERT(trans->state != STATE_IDLE, RET_ERR(PM_ERR_TRANS_NULL, -1)); + ASSERT(trans != NULL, RET_ERR(handle, PM_ERR_TRANS_NULL, -1)); + ASSERT(trans->state != STATE_IDLE, RET_ERR(handle, PM_ERR_TRANS_NULL, -1)); int nolock_flag = trans->flags & PM_TRANS_FLAG_NOLOCK; @@ -300,35 +230,21 @@ int SYMEXPORT alpm_trans_release(void) /* unlock db */ if(!nolock_flag) { - if(remove_lock(handle)) { - _alpm_log(PM_LOG_WARNING, _("could not remove lock file %s\n"), - alpm_option_get_lockfile()); - alpm_logaction("warning: could not remove lock file %s\n", - alpm_option_get_lockfile()); + if(_alpm_handle_unlock(handle)) { + _alpm_log(handle, PM_LOG_WARNING, _("could not remove lock file %s\n"), + alpm_option_get_lockfile(handle)); + alpm_logaction(handle, "warning: could not remove lock file %s\n", + alpm_option_get_lockfile(handle)); } } - return(0); + return 0; } /** @} */ -pmtrans_t *_alpm_trans_new(void) -{ - pmtrans_t *trans; - - ALPM_LOG_FUNC; - - CALLOC(trans, 1, sizeof(pmtrans_t), RET_ERR(PM_ERR_MEMORY, NULL)); - trans->state = STATE_IDLE; - - return(trans); -} - void _alpm_trans_free(pmtrans_t *trans) { - ALPM_LOG_FUNC; - if(trans == NULL) { return; } @@ -351,7 +267,7 @@ static int grep(const char *fn, const char *needle) FILE *fp; if((fp = fopen(fn, "r")) == NULL) { - return(0); + return 0; } while(!feof(fp)) { char line[1024]; @@ -362,16 +278,15 @@ static int grep(const char *fn, const char *needle) * ends up being split across line reads */ if(strstr(line, needle)) { fclose(fp); - return(1); + return 1; } } fclose(fp); - return(0); + return 0; } -int _alpm_runscriptlet(const char *root, const char *installfn, - const char *script, const char *ver, - const char *oldver, pmtrans_t *trans) +int _alpm_runscriptlet(pmhandle_t *handle, const char *installfn, + const char *script, const char *ver, const char *oldver) { char scriptfn[PATH_MAX]; char cmdline[PATH_MAX]; @@ -381,23 +296,21 @@ int _alpm_runscriptlet(const char *root, const char *installfn, int clean_tmpdir = 0; int retval = 0; - ALPM_LOG_FUNC; - if(access(installfn, R_OK)) { /* not found */ - _alpm_log(PM_LOG_DEBUG, "scriptlet '%s' not found\n", installfn); - return(0); + _alpm_log(handle, PM_LOG_DEBUG, "scriptlet '%s' not found\n", installfn); + return 0; } /* creates a directory in $root/tmp/ for copying/extracting the scriptlet */ - snprintf(tmpdir, PATH_MAX, "%stmp/", root); + snprintf(tmpdir, PATH_MAX, "%stmp/", handle->root); if(access(tmpdir, F_OK) != 0) { _alpm_makepath_mode(tmpdir, 01777); } - snprintf(tmpdir, PATH_MAX, "%stmp/alpm_XXXXXX", root); + snprintf(tmpdir, PATH_MAX, "%stmp/alpm_XXXXXX", handle->root); if(mkdtemp(tmpdir) == NULL) { - _alpm_log(PM_LOG_ERROR, _("could not create temp directory\n")); - return(1); + _alpm_log(handle, PM_LOG_ERROR, _("could not create temp directory\n")); + return 1; } else { clean_tmpdir = 1; } @@ -405,12 +318,12 @@ int _alpm_runscriptlet(const char *root, const char *installfn, /* either extract or copy the scriptlet */ snprintf(scriptfn, PATH_MAX, "%s/.INSTALL", tmpdir); if(strcmp(script, "pre_upgrade") == 0 || strcmp(script, "pre_install") == 0) { - if(_alpm_unpack_single(installfn, tmpdir, ".INSTALL")) { + if(_alpm_unpack_single(handle, installfn, tmpdir, ".INSTALL")) { retval = 1; } } else { if(_alpm_copyfile(installfn, scriptfn)) { - _alpm_log(PM_LOG_ERROR, _("could not copy tempfile to %s (%s)\n"), scriptfn, strerror(errno)); + _alpm_log(handle, PM_LOG_ERROR, _("could not copy tempfile to %s (%s)\n"), scriptfn, strerror(errno)); retval = 1; } } @@ -419,7 +332,7 @@ int _alpm_runscriptlet(const char *root, const char *installfn, } /* chop off the root so we can find the tmpdir in the chroot */ - scriptpath = scriptfn + strlen(root) - 1; + scriptpath = scriptfn + strlen(handle->root) - 1; if(!grep(scriptfn, script)) { /* script not found in scriptlet file */ @@ -434,41 +347,41 @@ int _alpm_runscriptlet(const char *root, const char *installfn, scriptpath, script, ver); } - _alpm_log(PM_LOG_DEBUG, "executing \"%s\"\n", cmdline); + _alpm_log(handle, PM_LOG_DEBUG, "executing \"%s\"\n", cmdline); - retval = _alpm_run_chroot(root, "/bin/sh", argv); + retval = _alpm_run_chroot(handle, "/bin/sh", argv); cleanup: if(clean_tmpdir && _alpm_rmrf(tmpdir)) { - _alpm_log(PM_LOG_WARNING, _("could not remove tmpdir %s\n"), tmpdir); + _alpm_log(handle, PM_LOG_WARNING, _("could not remove tmpdir %s\n"), tmpdir); } - return(retval); + return retval; } -int SYMEXPORT alpm_trans_get_flags() +pmtransflag_t SYMEXPORT alpm_trans_get_flags(pmhandle_t *handle) { /* Sanity checks */ - ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1)); - ASSERT(handle->trans != NULL, RET_ERR(PM_ERR_TRANS_NULL, -1)); + CHECK_HANDLE(handle, return -1); + ASSERT(handle->trans != NULL, RET_ERR(handle, PM_ERR_TRANS_NULL, -1)); return handle->trans->flags; } -alpm_list_t SYMEXPORT * alpm_trans_get_add() +alpm_list_t SYMEXPORT *alpm_trans_get_add(pmhandle_t *handle) { /* Sanity checks */ - ASSERT(handle != NULL, return(NULL)); - ASSERT(handle->trans != NULL, return(NULL)); + CHECK_HANDLE(handle, return NULL); + ASSERT(handle->trans != NULL, RET_ERR(handle, PM_ERR_TRANS_NULL, NULL)); return handle->trans->add; } -alpm_list_t SYMEXPORT * alpm_trans_get_remove() +alpm_list_t SYMEXPORT *alpm_trans_get_remove(pmhandle_t *handle) { /* Sanity checks */ - ASSERT(handle != NULL, return(NULL)); - ASSERT(handle->trans != NULL, return(NULL)); + CHECK_HANDLE(handle, return NULL); + ASSERT(handle->trans != NULL, RET_ERR(handle, PM_ERR_TRANS_NULL, NULL)); return handle->trans->remove; } |