CLI args: stricter/better parsing

In the following, the letters SRUDQ refer to the corresponding pacman
operations.

Most of the work in this commit is about removing as many options as
possible from the global section and moving them to where they actually
belong.

Additionally, --ignore{,group} are added to U and --dbonly is added
to S.

--dbonly added to S
--asdeps moved to S/U/D
--asexplicit moved to S/U/D
--print-format moved to S/U/R
--noprogressbar moved to S/U/R
--noscriptlet moved to S/U/R
--ignorepkg added to U
--ignoregrp added to U
-d moved to S/U/R (--nodeps) and Q (--deps)
-p moved to S/U/R (--print) and Q (--file)
-f moved to S/U

Signed-off-by: Xavier Chantry <chantry.xavier@gmail.com>
Signed-off-by: Dan McGee <dan@archlinux.org>

doc/pacman.8.txt

@@ -158,6 +158,16 @@ Options
 *\--config* <'file'>::
 	Specify an alternate configuration file.
 
+*\--ignore* <'package'>::
+	Directs pacman to ignore upgrades of package even if there is one
+	available. Multiple packages can be specified by separating them
+	with a comma.
+
+*\--ignoregroup* <'group'>::
+	Directs pacman to ignore upgrades of all packages in 'group' even if
+	there is one available. Multiple groups can be specified by
+	separating them with a comma.
+
 *\--logfile* <'file'>::
 	Specify an alternate log file. This is an absolute path, regardless of
 	the installation root setting.
@@ -321,6 +331,10 @@ linkman:pacman.conf[5].
 	or '-i' flags will also display those packages in all repositories that
 	depend on this package.
 
+*-k, \--dbonly*::
+	Adds the database entries for the specified packages but does not install any
+	of the files.
+
 *-l, \--list*::
 	List all packages in the specified repositories. Multiple repositories
 	can be specified on the command line.
@@ -365,21 +379,11 @@ linkman:pacman.conf[5].
 *\--needed*::
 	Don't reinstall the targets that are already up-to-date.
 
-*\--ignore* <'package'>::
-	Directs pacman to ignore upgrades of package even if there is one
-	available. Multiple packages can be specified by separating them
-	with a comma.
-
-*\--ignoregroup* <'group'>::
-	Directs pacman to ignore upgrades of all packages in 'group' even if
-	there is one available. Multiple groups can be specified by
-	separating them with a comma.
-
 
 Upgrade Options[[UO]]
 --------------------
 *-k, \--dbonly*::
-	Adds the database entries for the specified packages but do not install any
+	Adds the database entries for the specified packages but does not install any
 	of the files. On an upgrade operation, the existing package and all files
 	will be removed and the database entry for the new package will be added.
 

src/pacman/pacman.c

@@ -352,6 +352,21 @@ static void setlibpaths(void)
 
 #define check_optarg() if(!optarg) { return(1); }
 
+typedef void (*fn_add) (const char *s);
+
+static int parsearg_util_addlist(fn_add fn)
+{
+	alpm_list_t *list = NULL, *item = NULL; /* lists for splitting strings */
+
+	check_optarg();
+	list = strsplit(optarg, ',');
+	for(item = list; item; item = alpm_list_next(item)) {
+		fn((char *)alpm_list_getdata(item));
+	}
+	FREELIST(list);
+	return(0);
+}
+
 /** Helper function for parsing operation from command-line arguments.
  * @param opt Keycode returned by getopt_long
  * @param dryrun If nonzero, application state is NOT changed
@@ -398,8 +413,6 @@ static int parsearg_op(int opt, int dryrun)
 static int parsearg_global(int opt)
 {
 	switch(opt) {
-		case OP_ASDEPS: config->flags |= PM_TRANS_FLAG_ALLDEPS; break;
-		case OP_ASEXPLICIT: config->flags |= PM_TRANS_FLAG_ALLEXPLICIT; break;
 		case OP_ARCH: check_optarg(); setarch(optarg); break;
 		case OP_ASK:
 			check_optarg();
@@ -449,22 +462,10 @@ static int parsearg_global(int opt)
 			config->logfile = strndup(optarg, PATH_MAX);
 			break;
 		case OP_NOCONFIRM: config->noconfirm = 1; break;
-		case OP_NOPROGRESSBAR: config->noprogressbar = 1; break;
-		case OP_NOSCRIPTLET: config->flags |= PM_TRANS_FLAG_NOSCRIPTLET; break;
-		case OP_PRINTFORMAT:
-			check_optarg();
-			config->print_format = strdup(optarg);
-			break;
 		case 'b':
 			check_optarg();
 			config->dbpath = strdup(optarg);
 			break;
-		case 'd':
-			config->op_q_deps = 1;
-			config->flags |= PM_TRANS_FLAG_NODEPS;
-			break;
-		case 'f': config->flags |= PM_TRANS_FLAG_FORCE; break;
-		case 'p': config->op_q_isfile = 1; config->print = 1; break;
 		case 'r': check_optarg(); config->rootdir = strdup(optarg); break;
 		case 'v': (config->verbose)++; break;
 		default: return(1);
@@ -475,6 +476,8 @@ static int parsearg_global(int opt)
 static int parsearg_database(int opt)
 {
 	switch(opt) {
+		case OP_ASDEPS: config->flags |= PM_TRANS_FLAG_ALLDEPS; break;
+		case OP_ASEXPLICIT: config->flags |= PM_TRANS_FLAG_ALLEXPLICIT; break;
 		default: return(1);
 	}
 	return(0);
@@ -484,6 +487,7 @@ static int parsearg_query(int opt)
 {
 	switch(opt) {
 		case 'c': config->op_q_changelog = 1; break;
+		case 'd': config->op_q_deps = 1; break;
 		case 'e': config->op_q_explicit = 1; break;
 		case 'g': (config->group)++; break;
 		case 'i': (config->op_q_info)++; break;
@@ -491,6 +495,7 @@ static int parsearg_query(int opt)
 		case 'l': config->op_q_list = 1; break;
 		case 'm': config->op_q_foreign = 1; break;
 		case 'o': config->op_q_owns = 1; break;
+		case 'p': config->op_q_isfile = 1; break;
 		case 'q': config->quiet = 1; break;
 		case 's': config->op_q_search = 1; break;
 		case 't': config->op_q_unrequired = 1; break;
@@ -503,9 +508,14 @@ static int parsearg_query(int opt)
 static int parsearg_remove(int opt)
 {
 	switch(opt) {
+		case OP_NOPROGRESSBAR: config->noprogressbar = 1; break;
+		case OP_NOSCRIPTLET: config->flags |= PM_TRANS_FLAG_NOSCRIPTLET; break;
+		case OP_PRINTFORMAT: check_optarg(); config->print_format = strdup(optarg); break;
 		case 'c': config->flags |= PM_TRANS_FLAG_CASCADE; break;
+		case 'd': config->flags |= PM_TRANS_FLAG_NODEPS; break;
 		case 'k': config->flags |= PM_TRANS_FLAG_DBONLY; break;
 		case 'n': config->flags |= PM_TRANS_FLAG_NOSAVE; break;
+		case 'p': config->print = 1; break;
 		case 's':
 			if(config->flags & PM_TRANS_FLAG_RECURSE) {
 				config->flags |= PM_TRANS_FLAG_RECURSEALL;
@@ -521,30 +531,23 @@ static int parsearg_remove(int opt)
 
 static int parsearg_sync(int opt)
 {
-	alpm_list_t *list = NULL, *item = NULL; /* lists for splitting strings */
-
 	switch(opt) {
-		case OP_IGNORE:
+		case OP_ASDEPS: config->flags |= PM_TRANS_FLAG_ALLDEPS; break;
-			check_optarg();
+		case OP_ASEXPLICIT: config->flags |= PM_TRANS_FLAG_ALLEXPLICIT; break;
-			list = strsplit(optarg, ',');
+		case OP_IGNORE: parsearg_util_addlist(alpm_option_add_ignorepkg); break;
-			for(item = list; item; item = alpm_list_next(item)) {
+		case OP_IGNOREGROUP: parsearg_util_addlist(alpm_option_add_ignoregrp); break;
-				alpm_option_add_ignorepkg((char *)alpm_list_getdata(item));
-			}
-			FREELIST(list);
-			break;
-		case OP_IGNOREGROUP:
-			check_optarg();
-			list = strsplit(optarg, ',');
-			for(item = list; item; item = alpm_list_next(item)) {
-				alpm_option_add_ignoregrp((char *)alpm_list_getdata(item));
-			}
-			FREELIST(list);
-			break;
 		case OP_NEEDED: config->flags |= PM_TRANS_FLAG_NEEDED; break;
+		case OP_NOPROGRESSBAR: config->noprogressbar = 1; break;
+		case OP_NOSCRIPTLET: config->flags |= PM_TRANS_FLAG_NOSCRIPTLET; break;
+		case OP_PRINTFORMAT: check_optarg(); config->print_format = strdup(optarg); break;
 		case 'c': (config->op_s_clean)++; break;
+		case 'd': config->flags |= PM_TRANS_FLAG_NODEPS; break;
+		case 'f': config->flags |= PM_TRANS_FLAG_FORCE; break;
 		case 'g': (config->group)++; break;
 		case 'i': (config->op_s_info)++; break;
 		case 'l': config->op_q_list = 1; break;
+		case 'k': config->flags |= PM_TRANS_FLAG_DBONLY; break;
+		case 'p': config->print = 1; break;
 		case 'q': config->quiet = 1; break;
 		case 's': config->op_s_search = 1; break;
 		case 'u': (config->op_s_upgrade)++; break;
@@ -570,7 +573,17 @@ static int parsearg_deptest(int opt)
 static int parsearg_upgrade(int opt)
 {
 	switch(opt) {
+		case OP_ASDEPS: config->flags |= PM_TRANS_FLAG_ALLDEPS; break;
+		case OP_ASEXPLICIT: config->flags |= PM_TRANS_FLAG_ALLEXPLICIT; break;
+		case OP_IGNORE: parsearg_util_addlist(alpm_option_add_ignorepkg); break;
+		case OP_IGNOREGROUP: parsearg_util_addlist(alpm_option_add_ignoregrp); break;
+		case OP_NOPROGRESSBAR: config->noprogressbar = 1; break;
+		case OP_NOSCRIPTLET: config->flags |= PM_TRANS_FLAG_NOSCRIPTLET; break;
+		case OP_PRINTFORMAT: check_optarg(); config->print_format = strdup(optarg); break;
+		case 'd': config->flags |= PM_TRANS_FLAG_NODEPS; break;
+		case 'f': config->flags |= PM_TRANS_FLAG_FORCE; break;
 		case 'k': config->flags |= PM_TRANS_FLAG_DBONLY; break;
+		case 'p': config->print = 1; break;
 		default: return(1);
 	}
 	return(0);