From d0470b6f42a7eeba079adeee21ad96170de67f34 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Sat, 2 Feb 2008 23:46:58 +0100
Subject: [PATCH] add support for merged importing

---
 cli.c  | 31 ++++++++++++++++++++++++++++++-
 file.c | 24 ++++++++++++++++++------
 list.c | 12 ++++++++----
 3 files changed, 56 insertions(+), 11 deletions(-)

diff --git a/cli.c b/cli.c
index 87de48c..828c7b9 100644
--- a/cli.c
+++ b/cli.c
@@ -108,6 +108,35 @@ static int package_cmd(int cmd, char *package)
 
 static int uci_do_import(int argc, char **argv)
 {
+	struct uci_package *package = NULL;
+	char **configs = NULL;
+	char *name = NULL;
+	int ret = UCI_OK;
+	char **p;
+
+	if (argc > 2)
+		return 255;
+
+	if (argc == 2)
+		name = argv[1];
+	else if (flags & CLI_FLAG_MERGE)
+		/* need a package to merge */
+		return 255;
+
+	if (flags & CLI_FLAG_MERGE) {
+		if (uci_load(ctx, name, &package) != UCI_OK)
+			package = NULL;
+	}
+	ret = uci_import(ctx, input, name, &package, (name != NULL));
+	if ((ret == UCI_OK) && (flags & CLI_FLAG_MERGE)) {
+		ret = uci_save(ctx, package);
+	}
+
+	if (ret != UCI_OK) {
+		uci_perror(ctx, appname);
+		return 1;
+	}
+
 	return 0;
 }
 
@@ -263,7 +292,7 @@ int main(int argc, char **argv)
 		return 1;
 	}
 
-	while((c = getopt(argc, argv, "sS")) != -1) {
+	while((c = getopt(argc, argv, "mfsS")) != -1) {
 		switch(c) {
 			case 'f':
 				input = fopen(optarg, "r");
diff --git a/file.c b/file.c
index eb05d25..9f47ef2 100644
--- a/file.c
+++ b/file.c
@@ -392,9 +392,14 @@ static void uci_parse_config(struct uci_context *ctx, char **str)
 	name = next_arg(ctx, str, false, true);
 	assert_eol(ctx, str);
 
-	if (pctx->merge)
-		UCI_INTERNAL(uci_set, ctx, pctx->package, name, NULL, type);
-	else
+	if (pctx->merge) {
+		UCI_TRAP_SAVE(ctx, error);
+		uci_set(ctx, pctx->package, name, NULL, type);
+		UCI_TRAP_RESTORE(ctx);
+		return;
+error:
+		UCI_THROW(ctx, ctx->errno);
+	} else
 		pctx->section = uci_alloc_section(pctx->package, type, name);
 }
 
@@ -417,9 +422,14 @@ static void uci_parse_option(struct uci_context *ctx, char **str)
 	value = next_arg(ctx, str, true, false);
 	assert_eol(ctx, str);
 
-	if (pctx->merge)
-		UCI_INTERNAL(uci_set, ctx, pctx->package, pctx->section->e.name, name, value);
-	else
+	if (pctx->merge) {
+		UCI_TRAP_SAVE(ctx, error);
+		uci_set(ctx, pctx->package, pctx->section->e.name, name, value);
+		UCI_TRAP_RESTORE(ctx);
+		return;
+error:
+		UCI_THROW(ctx, ctx->errno);
+	} else
 		uci_alloc_option(pctx->section, name, value);
 }
 
@@ -586,6 +596,8 @@ error:
 	uci_fixup_section(ctx, ctx->pctx->section);
 	if (package)
 		*package = pctx->package;
+	if (pctx->merge)
+		pctx->package = NULL;
 
 	pctx->name = NULL;
 	uci_switch_config(ctx);
diff --git a/list.c b/list.c
index 4ff4f7b..8f30db7 100644
--- a/list.c
+++ b/list.c
@@ -450,13 +450,14 @@ int uci_set(struct uci_context *ctx, struct uci_package *p, char *section, char
 		goto notfound;
 
 	s = uci_to_section(e);
+	if (ctx->pctx)
+		ctx->pctx->section = s;
+
 	if (option) {
 		e = uci_lookup_list(ctx, &s->options, option);
 		if (!e)
 			goto notfound;
 		o = uci_to_option(e);
-	} else if (internal && ctx->pctx) {
-		ctx->pctx->section = s;
 	}
 
 	/* 
@@ -489,8 +490,11 @@ notfound:
 		uci_add_history(ctx, p, UCI_CMD_ADD, section, option, value);
 	if (s)
 		uci_alloc_option(s, option, value);
-	else
-		uci_alloc_section(p, value, section);
+	else {
+		s = uci_alloc_section(p, value, section);
+		if (ctx->pctx)
+			ctx->pctx->section = s;
+	}
 
 	return 0;
 }
-- 
2.25.1