Merge branch 'jt/bundle-fsck'

"git bundle --unbundle" and "git clone" running on a bundle file
both learned to trigger fsck over the new objects with configurable
fck check levels.

* jt/bundle-fsck:
  transport: propagate fsck configuration during bundle fetch
  fetch-pack: split out fsck config parsing
  bundle: support fsck message configuration
  bundle: add bundle verification options type

8 files changed, 89 insertions, 20 deletions

diff --git a/builtin/bundle.c b/builtin/bundle.c
index 3f14754197..1e170e9278 100644
--- a/builtin/bundle.c
+++ b/builtin/bundle.c
@@ -222,7 +222,7 @@ static int cmd_bundle_unbundle(int argc, const char **argv, const char *prefix,
 		strvec_pushl(&extra_index_pack_args, "-v", "--progress-title",
 			     _("Unbundling objects"), NULL);
 	ret = !!unbundle(the_repository, &header, bundle_fd,
-			 &extra_index_pack_args, 0) ||
+			 &extra_index_pack_args, NULL) ||
 		list_bundle_refs(&header, argc, argv);
 	bundle_header_release(&header);
 
diff --git a/bundle-uri.c b/bundle-uri.c
index 0df66e2872..cdf9e4f9e1 100644
--- a/bundle-uri.c
+++ b/bundle-uri.c
@@ -367,6 +367,10 @@ static int unbundle_from_file(struct repository *r, const char *file)
 	struct string_list_item *refname;
 	struct strbuf bundle_ref = STRBUF_INIT;
 	size_t bundle_prefix_len;
+	struct unbundle_opts opts = {
+		.flags = VERIFY_BUNDLE_QUIET |
+			 (fetch_pack_fsck_objects() ? VERIFY_BUNDLE_FSCK : 0),
+	};
 
 	bundle_fd = read_bundle_header(file, &header);
 	if (bundle_fd < 0) {
@@ -379,8 +383,7 @@ static int unbundle_from_file(struct repository *r, const char *file)
 	 * a reachable ref pointing to the new tips, which will reach
 	 * the prerequisite commits.
 	 */
-	result = unbundle(r, &header, bundle_fd, NULL,
-			  VERIFY_BUNDLE_QUIET | (fetch_pack_fsck_objects() ? VERIFY_BUNDLE_FSCK : 0));
+	result = unbundle(r, &header, bundle_fd, NULL, &opts);
 	if (result) {
 		result = 1;
 		goto cleanup;
diff --git a/bundle.c b/bundle.c
index 4773b51eb1..4e53ddfca2 100644
--- a/bundle.c
+++ b/bundle.c
@@ -628,11 +628,15 @@ out:
 
 int unbundle(struct repository *r, struct bundle_header *header,
 	     int bundle_fd, struct strvec *extra_index_pack_args,
-	     enum verify_bundle_flags flags)
+	     struct unbundle_opts *opts)
 {
 	struct child_process ip = CHILD_PROCESS_INIT;
+	struct unbundle_opts opts_fallback = { 0 };
 
-	if (verify_bundle(r, header, flags))
+	if (!opts)
+		opts = &opts_fallback;
+
+	if (verify_bundle(r, header, opts->flags))
 		return -1;
 
 	strvec_pushl(&ip.args, "index-pack", "--fix-thin", "--stdin", NULL);
@@ -641,8 +645,9 @@ int unbundle(struct repository *r, struct bundle_header *header,
 	if (header->filter.choice)
 		strvec_push(&ip.args, "--promisor=from-bundle");
 
-	if (flags & VERIFY_BUNDLE_FSCK)
-		strvec_push(&ip.args, "--fsck-objects");
+	if (opts->flags & VERIFY_BUNDLE_FSCK)
+		strvec_pushf(&ip.args, "--fsck-objects%s",
+			     opts->fsck_msg_types ? opts->fsck_msg_types : "");
 
 	if (extra_index_pack_args)
 		strvec_pushv(&ip.args, extra_index_pack_args->v);
diff --git a/bundle.h b/bundle.h
index 5ccc9a061a..a80aa8ad9b 100644
--- a/bundle.h
+++ b/bundle.h
@@ -39,6 +39,17 @@ enum verify_bundle_flags {
 int verify_bundle(struct repository *r, struct bundle_header *header,
 		  enum verify_bundle_flags flags);
 
+struct unbundle_opts {
+	enum verify_bundle_flags flags;
+	/*
+	 * fsck_msg_types may optionally contain fsck message severity
+	 * configuration. If present, this configuration gets directly appended
+	 * to a '--fsck-objects' option and therefore must be prefixed with '='.
+	 * (E.g. "=missingEmail=ignore,gitmodulesUrl=ignore")
+	 */
+	const char *fsck_msg_types;
+};
+
 /**
  * Unbundle after reading the header with read_bundle_header().
  *
@@ -49,12 +60,12 @@ int verify_bundle(struct repository *r, struct bundle_header *header,
  * (e.g. "-v" for verbose/progress), NULL otherwise. The provided
  * "extra_index_pack_args" (if any) will be strvec_clear()'d for you.
  *
- * Before unbundling, this method will call verify_bundle() with the
- * given 'flags'.
+ * Before unbundling, this method will call verify_bundle() with 'flags'
+ * provided in 'opts'.
  */
 int unbundle(struct repository *r, struct bundle_header *header,
 	     int bundle_fd, struct strvec *extra_index_pack_args,
-	     enum verify_bundle_flags flags);
+	     struct unbundle_opts *opts);
 int list_bundle_refs(struct bundle_header *header,
 		int argc, const char **argv);
 
diff --git a/fetch-pack.c b/fetch-pack.c
index fe1fb3c1b7..c095f3a84b 100644
--- a/fetch-pack.c
+++ b/fetch-pack.c
@@ -1857,8 +1857,8 @@ static struct ref *do_fetch_pack_v2(struct fetch_pack_args *args,
 	return ref;
 }
 
-static int fetch_pack_config_cb(const char *var, const char *value,
-				const struct config_context *ctx, void *cb)
+int fetch_pack_fsck_config(const char *var, const char *value,
+			   struct strbuf *msg_types)
 {
 	const char *msg_id;
 
@@ -1866,9 +1866,9 @@ static int fetch_pack_config_cb(const char *var, const char *value,
 		char *path ;
 
 		if (git_config_pathname(&path, var, value))
-			return 1;
-		strbuf_addf(&fsck_msg_types, "%cskiplist=%s",
-			fsck_msg_types.len ? ',' : '=', path);
+			return 0;
+		strbuf_addf(msg_types, "%cskiplist=%s",
+			msg_types->len ? ',' : '=', path);
 		free(path);
 		return 0;
 	}
@@ -1877,14 +1877,24 @@ static int fetch_pack_config_cb(const char *var, const char *value,
 		if (!value)
 			return config_error_nonbool(var);
 		if (is_valid_msg_type(msg_id, value))
-			strbuf_addf(&fsck_msg_types, "%c%s=%s",
-				fsck_msg_types.len ? ',' : '=', msg_id, value);
+			strbuf_addf(msg_types, "%c%s=%s",
+				msg_types->len ? ',' : '=', msg_id, value);
 		else
 			warning("Skipping unknown msg id '%s'", msg_id);
 		return 0;
 	}
 
-	return git_default_config(var, value, ctx, cb);
+	return 1;
+}
+
+static int fetch_pack_config_cb(const char *var, const char *value,
+				const struct config_context *ctx, void *cb)
+{
+	int ret = fetch_pack_fsck_config(var, value, &fsck_msg_types);
+	if (ret > 0)
+		return git_default_config(var, value, ctx, cb);
+
+	return ret;
 }
 
 static void fetch_pack_config(void)
diff --git a/fetch-pack.h b/fetch-pack.h
index b5c579cdae..9d3470366f 100644
--- a/fetch-pack.h
+++ b/fetch-pack.h
@@ -106,4 +106,15 @@ int report_unmatched_refs(struct ref **sought, int nr_sought);
  */
 int fetch_pack_fsck_objects(void);
 
+/*
+ * Check if the provided config variable pertains to fetch fsck and if so append
+ * the configuration to the provided strbuf.
+ *
+ * When a fetch fsck config option is successfully processed the function
+ * returns 0. If the provided config option is unrelated to fetch fsck, 1 is
+ * returned. Errors return -1.
+ */
+int fetch_pack_fsck_config(const char *var, const char *value,
+			   struct strbuf *msg_types);
+
 #endif
diff --git a/t/t5607-clone-bundle.sh b/t/t5607-clone-bundle.sh
index 489c6570da..82e3621ec5 100755
--- a/t/t5607-clone-bundle.sh
+++ b/t/t5607-clone-bundle.sh
@@ -170,6 +170,13 @@ test_expect_success 'clone bundle with different fsckObjects configurations' '
 
 	test_must_fail git -c transfer.fsckObjects=true \
 		clone bundle-fsck/bad.bundle bundle-transfer-fsck 2>err &&
+	test_grep "missingEmail" err &&
+
+	git -c fetch.fsckObjects=true -c fetch.fsck.missingEmail=ignore \
+		clone bundle-fsck/bad.bundle bundle-fsck-ignore &&
+
+	test_must_fail git -c fetch.fsckObjects=true -c fetch.fsck.missingEmail=error \
+		clone bundle-fsck/bad.bundle bundle-fsck-error 2>err &&
 	test_grep "missingEmail" err
 '
 
diff --git a/transport.c b/transport.c
index 47fda6a773..6966df51a8 100644
--- a/transport.c
+++ b/transport.c
@@ -19,6 +19,7 @@
 #include "branch.h"
 #include "url.h"
 #include "submodule.h"
+#include "strbuf.h"
 #include "string-list.h"
 #include "oid-array.h"
 #include "sigchain.h"
@@ -172,12 +173,29 @@ static struct ref *get_refs_from_bundle(struct transport *transport,
 	return result;
 }
 
+static int fetch_fsck_config_cb(const char *var, const char *value,
+				const struct config_context *ctx UNUSED, void *cb)
+{
+	struct strbuf *msg_types = cb;
+	int ret;
+
+	ret = fetch_pack_fsck_config(var, value, msg_types);
+	if (ret > 0)
+		return 0;
+
+	return ret;
+}
+
 static int fetch_refs_from_bundle(struct transport *transport,
 				  int nr_heads UNUSED,
 				  struct ref **to_fetch UNUSED)
 {
+	struct unbundle_opts opts = {
+		.flags = fetch_pack_fsck_objects() ? VERIFY_BUNDLE_FSCK : 0,
+	};
 	struct bundle_transport_data *data = transport->data;
 	struct strvec extra_index_pack_args = STRVEC_INIT;
+	struct strbuf msg_types = STRBUF_INIT;
 	int ret;
 
 	if (transport->progress)
@@ -185,12 +203,16 @@ static int fetch_refs_from_bundle(struct transport *transport,
 
 	if (!data->get_refs_from_bundle_called)
 		get_refs_from_bundle_inner(transport);
+
+	git_config(fetch_fsck_config_cb, &msg_types);
+	opts.fsck_msg_types = msg_types.buf;
+
 	ret = unbundle(the_repository, &data->header, data->fd,
-		       &extra_index_pack_args,
-		       fetch_pack_fsck_objects() ? VERIFY_BUNDLE_FSCK : 0);
+		       &extra_index_pack_args, &opts);
 	transport->hash_algo = data->header.hash_algo;
 
 	strvec_clear(&extra_index_pack_args);
+	strbuf_release(&msg_types);
 	return ret;
 }