remove support for .pacorig files

Leave user files in place and save new config files with a .pacnew
extension.  This reduces the complexity of file extraction and respects
the principle that pacman shouldn't modify files it didn't create.

Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>

README

@@ -568,6 +568,10 @@ API CHANGES BETWEEN 4.2 AND 5.0
 [REMOVED]
 - alpm_siglevel_t - removed members ALPM_SIG_PACKAGE_SET, ALPM_SIG_PACKAGE_TRUST_SET
 
+- ALPM_EVENT_PACORIG_CREATED
+- alpm_event_pacorig_created_t
+- alpm_event_t.pacorig_created
+
 [ADDED]
 - pkgbase accessor
   - alpm_pkg_get_base()

contrib/README

@@ -16,7 +16,7 @@ sync databases (for safety on rolling release distributions).
 paccache - a flexible package cache cleaning utility that allows greater
 control over which packages are removed.
 
-pacdiff - a simple pacnew/pacorig/pacsave updater for /etc/.
+pacdiff - a simple pacnew/pacsave updater for /etc/.
 
 paclist - list all packages installed from a given repository. Useful for
 seeing which packages you may have installed from the testing repository,

contrib/pacdiff.sh.in

@@ -1,5 +1,5 @@
 #!/bin/bash
-#   pacdiff : a simple pacnew/pacorig/pacsave updater
+#   pacdiff : a simple pacnew/pacsave updater
 #
 #   Copyright (c) 2007 Aaron Griffin <aaronmgriffin@gmail.com>
 #   Copyright (c) 2013-2014 Pacman Development Team <pacman-dev@archlinux.org>
@@ -35,7 +35,7 @@ usage() {
 	cat <<EOF
 ${myname} (pacman) v${myver}
 
-A simple program to merge or remove pacnew/pacorig/pacsave files.
+A simple program to merge or remove pacnew/pacsave files.
 
 Usage: $myname [-l | -f | -p] [--nocolor]
 

doc/pacman.8.txt

@@ -484,8 +484,9 @@ original=X, current=Y, new=Z::
 
 original=NULL, current=Y, new=Z::
 	The package was not previously installed, and the file already exists on the
-	file system. Save the current file with a '.pacorig' extension, install the
-	new file, and warn the user.
+	file system. Install the new file with a '.pacnew' extension and warn the
+	user. The user must then manually merge any necessary changes into the
+	original file.
 
 
 Examples

lib/libalpm/add.c

@@ -333,69 +333,33 @@ static int extract_single_file(alpm_handle_t *handle, struct archive *archive,
 		} else {
 			/* none of the three files matched another, unpack the new file alongside
 			 * the local file */
+			char *newpath;
+			size_t newlen = strlen(filename) + strlen(".pacnew") + 1;
 
-			if(oldpkg) {
-				char *newpath;
-				size_t newlen = strlen(filename) + strlen(".pacnew") + 1;
+			_alpm_log(handle, ALPM_LOG_DEBUG,
+					"action: keeping current file and installing"
+					" new one with .pacnew ending\n");
 
-				_alpm_log(handle, ALPM_LOG_DEBUG,
-						"action: keeping current file and installing"
-						" new one with .pacnew ending\n");
+			MALLOC(newpath, newlen,
+					errors++; handle->pm_errno = ALPM_ERR_MEMORY; goto needbackup_cleanup);
+			snprintf(newpath, newlen, "%s.pacnew", filename);
 
-				MALLOC(newpath, newlen,
-						errors++; handle->pm_errno = ALPM_ERR_MEMORY; goto needbackup_cleanup);
-				snprintf(newpath, newlen, "%s.pacnew", filename);
-
-				if(try_rename(handle, checkfile, newpath)) {
-					errors++;
-				} else {
-					alpm_event_pacnew_created_t event = {
-						.type = ALPM_EVENT_PACNEW_CREATED,
-						.from_noupgrade = 0,
-						.oldpkg = oldpkg,
-						.newpkg = newpkg,
-						.file = filename
-					};
-					EVENT(handle, &event);
-					alpm_logaction(handle, ALPM_CALLER_PREFIX,
-							"warning: %s installed as %s\n", filename, newpath);
-				}
-
-				free(newpath);
+			if(try_rename(handle, checkfile, newpath)) {
+				errors++;
 			} else {
-				char *newpath;
-				size_t newlen = strlen(filename) + strlen(".pacorig") + 1;
-
-				_alpm_log(handle, ALPM_LOG_DEBUG,
-						"action: saving existing file with a .pacorig ending"
-						" and installing a new one\n");
-
-				MALLOC(newpath, newlen,
-						errors++; handle->pm_errno = ALPM_ERR_MEMORY; goto needbackup_cleanup);
-				snprintf(newpath, newlen, "%s.pacorig", filename);
-
-				/* move the existing file to the "pacorig" */
-				if(try_rename(handle, filename, newpath)) {
-					errors++;   /* failed rename filename  -> filename.pacorig */
-					errors++;   /* failed rename checkfile -> filename */
-				} else {
-					/* rename the file we extracted to the real name */
-					if(try_rename(handle, checkfile, filename)) {
-						errors++;
-					} else {
-						alpm_event_pacorig_created_t event = {
-							.type = ALPM_EVENT_PACORIG_CREATED,
-							.newpkg = newpkg,
-							.file = filename
-						};
-						EVENT(handle, &event);
-						alpm_logaction(handle, ALPM_CALLER_PREFIX,
-								"warning: %s saved as %s\n", filename, newpath);
-					}
-				}
-
-				free(newpath);
+				alpm_event_pacnew_created_t event = {
+					.type = ALPM_EVENT_PACNEW_CREATED,
+					.from_noupgrade = 0,
+					.oldpkg = oldpkg,
+					.newpkg = newpkg,
+					.file = filename
+				};
+				EVENT(handle, &event);
+				alpm_logaction(handle, ALPM_CALLER_PREFIX,
+						"warning: %s installed as %s\n", filename, newpath);
 			}
+
+			free(newpath);
 		}
 
 needbackup_cleanup:

lib/libalpm/alpm.h

@@ -442,10 +442,7 @@ typedef enum _alpm_event_type_t {
 	ALPM_EVENT_PACNEW_CREATED,
 	/** A .pacsave file was created; See alpm_event_pacsave_created_t for
 	 * arguments */
-	ALPM_EVENT_PACSAVE_CREATED,
-	/** A .pacorig file was created; See alpm_event_pacorig_created_t for
-	 * arguments */
-	ALPM_EVENT_PACORIG_CREATED
+	ALPM_EVENT_PACSAVE_CREATED
 } alpm_event_type_t;
 
 typedef struct _alpm_event_any_t {
@@ -536,15 +533,6 @@ typedef struct _alpm_event_pacsave_created_t {
 	const char *file;
 } alpm_event_pacsave_created_t;
 
-typedef struct _alpm_event_pacorig_created_t {
-	/** Type of event. */
-	alpm_event_type_t type;
-	/** New package. */
-	alpm_pkg_t *newpkg;
-	/** Filename of the file without the .pacorig suffix. */
-	const char *file;
-} alpm_event_pacorig_created_t;
-
 /** Events.
  * This is an union passed to the callback, that allows the frontend to know
  * which type of event was triggered (via type). It is then possible to
@@ -561,7 +549,6 @@ typedef union _alpm_event_t {
 	alpm_event_pkgdownload_t pkgdownload;
 	alpm_event_pacnew_created_t pacnew_created;
 	alpm_event_pacsave_created_t pacsave_created;
-	alpm_event_pacorig_created_t pacorig_created;
 } alpm_event_t;
 
 /** Event callback. */

src/pacman/callback.c

@@ -315,22 +315,6 @@ void cb_event(alpm_event_t *event)
 				}
 			}
 			break;
-		case ALPM_EVENT_PACORIG_CREATED:
-			{
-				alpm_event_pacorig_created_t *e = &event->pacorig_created;
-				if(on_progress) {
-					char *string = NULL;
-					pm_sprintf(&string, ALPM_LOG_WARNING, _("%s saved as %s.pacorig\n"),
-							e->file, e->file);
-					if(string != NULL) {
-						output = alpm_list_add(output, string);
-					}
-				} else {
-					pm_printf(ALPM_LOG_WARNING, _("%s saved as %s.pacorig\n"),
-							e->file, e->file);
-				}
-			}
-			break;
 		/* all the simple done events, with fallthrough for each */
 		case ALPM_EVENT_FILECONFLICTS_DONE:
 		case ALPM_EVENT_CHECKDEPS_DONE:

test/pacman/README

@@ -310,7 +310,6 @@ its DEPENDS field.
   FILE_TYPE=path/to/file|type  (possible types: dir, file, link)
   FILE_PACNEW=path/to/file
   FILE_PACSAVE=path/to/file
-  FILE_PACORIG=path/to/file
 
 Example:
 	FILE_EXIST=etc/test.conf

test/pacman/pmrule.py

@@ -146,9 +146,6 @@ def check(self, test):
             elif case == "PACNEW":
                 if not os.path.isfile("%s.pacnew" % filename):
                     success = 0
-            elif case == "PACORIG":
-                if not os.path.isfile("%s.pacorig" % filename):
-                    success = 0
             elif case == "PACSAVE":
                 if not os.path.isfile("%s.pacsave" % filename):
                     success = 0

test/pacman/tests/upgrade015.py

@@ -12,4 +12,3 @@
 self.addrule("PKG_EXIST=dummy")
 self.addrule("FILE_MODIFIED=etc/dummy.conf")
 self.addrule("!FILE_PACNEW=etc/dummy.conf")
-self.addrule("!FILE_PACORIG=etc/dummy.conf")

test/pacman/tests/upgrade016.py

@@ -11,6 +11,5 @@
 
 self.addrule("PACMAN_RETCODE=0")
 self.addrule("PKG_EXIST=dummy")
-self.addrule("FILE_MODIFIED=etc/dummy.conf")
-self.addrule("!FILE_PACNEW=etc/dummy.conf")
-self.addrule("FILE_PACORIG=etc/dummy.conf")
+self.addrule("!FILE_MODIFIED=etc/dummy.conf")
+self.addrule("FILE_PACNEW=etc/dummy.conf")

test/pacman/tests/upgrade027.py

@@ -18,5 +18,4 @@
 self.addrule("PKG_VERSION=dummy|1.0-2")
 self.addrule("FILE_PACNEW=etc/dummy.conf")
 self.addrule("!FILE_PACSAVE=etc/dummy.conf")
-self.addrule("!FILE_PACORIG=etc/dummy.conf")
 self.addrule("FILE_EXIST=etc/dummy.conf")

test/pacman/tests/upgrade028.py

@@ -18,5 +18,4 @@
 self.addrule("PKG_VERSION=dummy|1.0-2")
 self.addrule("!FILE_PACNEW=etc/dummy.conf")
 self.addrule("!FILE_PACSAVE=etc/dummy.conf")
-self.addrule("!FILE_PACORIG=etc/dummy.conf")
 self.addrule("FILE_EXIST=etc/dummy.conf")

test/pacman/tests/upgrade029.py

@@ -20,5 +20,4 @@
 self.addrule("PKG_VERSION=dummy|1.0-1")
 self.addrule("!FILE_PACNEW=etc/dummy.conf")
 self.addrule("!FILE_PACSAVE=etc/dummy.conf")
-self.addrule("!FILE_PACORIG=etc/dummy.conf")
 self.addrule("FILE_EXIST=etc/dummy.conf")