[PATCH v3 8/9] bugreport: list contents of $OBJDIR/info

[Emily Shaffer <emilyshaffer@google.com>]

Miscellaneous information used about the object store can end up in
.git/objects/info; this can help us understand what may be going on with
the object store when the user is reporting a bug. Otherwise, it could
be difficult to track down what is going wrong with an object which
isn't kept locally to .git/objects/ or .git/objects/pack. Having some
understanding of where the user's objects may be kept can save us some
hops during the bug reporting process.

Signed-off-by: Emily Shaffer <emilyshaffer@google.com>
---
 bugreport.c         | 58 +++++++++++++++++++++++++++++++++++++++++++++
 bugreport.h         |  6 +++++
 builtin/bugreport.c |  7 ++++++
 3 files changed, 71 insertions(+)

diff --git a/bugreport.c b/bugreport.c
index 79ddb8baaa..ce15904fec 100644
--- a/bugreport.c
+++ b/bugreport.c
@@ -6,6 +6,7 @@
 #include "help.h"
 #include "run-command.h"
 #include "strbuf.h"
+#include "string-list.h"
 #include "version.h"
 
 #include "dirent.h"
@@ -171,6 +172,41 @@ void list_contents_of_dir(struct string_list *contents, struct strbuf *dirpath,
 	}
 }
 
+/**
+ * Fills 'contents' with a list of all directories within the provided
+ * directory, recursing into each directory.
+ */
+void list_contents_of_dir_recursively(struct string_list *contents,
+				      struct strbuf *dirpath)
+{
+	struct string_list current_contents = STRING_LIST_INIT_DUP;
+	struct string_list current_subdirs = STRING_LIST_INIT_DUP;
+	struct string_list_item *it;
+	struct strbuf buf = STRBUF_INIT;
+
+	list_contents_of_dir(&current_contents, dirpath, 0, 0);
+	for_each_string_list_item(it, &current_contents) {
+		strbuf_reset(&buf);
+		strbuf_addbuf(&buf, dirpath);
+		strbuf_complete(&buf, '/');
+		strbuf_addstr(&buf, it->string);
+
+		string_list_append(contents, buf.buf);
+	}
+
+	list_contents_of_dir(&current_subdirs, dirpath, 1, DT_DIR);
+	for_each_string_list_item(it, &current_subdirs) {
+		if (strcmp(it->string, ".") == 0
+		    || strcmp(it->string, "..") == 0)
+			continue;
+		strbuf_reset(&buf);
+		strbuf_addbuf(&buf, dirpath);
+		strbuf_complete(&buf, '/');
+		strbuf_addstr(&buf, it->string);
+
+		list_contents_of_dir_recursively(contents, &buf);
+	}
+}
 
 void get_object_counts(struct strbuf *obj_info)
 {
@@ -240,3 +276,25 @@ void get_packed_object_summary(struct strbuf *obj_info)
 		strbuf_complete_line(obj_info);
 	}
 }
+
+void get_object_info_summary(struct strbuf *obj_info)
+{
+	// strbuf += GITDIR/info/:
+	// recursively list contents of $GIT_OBJECT_DIRECTORY/info
+	struct strbuf dirpath = STRBUF_INIT;
+	struct string_list contents = STRING_LIST_INIT_DUP;
+	struct string_list_item *entry;
+
+	strbuf_reset(obj_info);
+
+	strbuf_addstr(&dirpath, get_object_directory());
+	strbuf_complete(&dirpath, '/');
+	strbuf_addstr(&dirpath, "info/");
+
+	list_contents_of_dir_recursively(&contents, &dirpath);
+
+	for_each_string_list_item(entry, &contents) {
+		strbuf_addstr(obj_info, entry->string);
+		strbuf_complete_line(obj_info);
+	}
+}
diff --git a/bugreport.h b/bugreport.h
index 11ff7df41b..4f5e2d1b9a 100644
--- a/bugreport.h
+++ b/bugreport.h
@@ -30,3 +30,9 @@ void get_loose_object_summary(struct strbuf *obj_info);
  * hook_info will be discarded.
  */
 void get_packed_object_summary(struct strbuf *obj_info);
+
+/**
+ * Adds a list of all contents (recursively) of '.git/objects/info'. The
+ * previous contents of hook_info will be discarded.
+ */
+void get_object_info_summary(struct strbuf *obj_info);
diff --git a/builtin/bugreport.c b/builtin/bugreport.c
index da91a3944e..8aad33a9b0 100644
--- a/builtin/bugreport.c
+++ b/builtin/bugreport.c
@@ -72,6 +72,13 @@ int cmd_bugreport(int argc, const char **argv, const char *prefix)
 	get_packed_object_summary(&buffer);
 	strbuf_write(&buffer, report);
 
+	add_header(report, "Object Info Data");
+	get_object_info_summary(&buffer);
+	strbuf_write(&buffer, report);
+
+	// Close file
+	// open file in editor
+	launch_editor(report_path, NULL, NULL);
 	fclose(report);
 
 	launch_editor(report_path.buf, NULL, NULL);
-- 
2.24.0.rc0.303.g954a862665-goog