Hi… I am well aware that this diff view is very suboptimal. It will be fixed when the refactored server comes along!
git2d: Reformat C code in Linux style
/*-
 * SPDX-License-Identifier: MIT
 * SPDX-FileCopyrightText: Copyright (c) 2022 Frank Smit <https://61924.nl/>
 */
#include <string.h>
#include <stdbool.h>
#include "bare.h"
#define UNUSED(x) (void)(x)
enum {
	U8SZ = 1,
	U16SZ = 2,
	U32SZ = 4,
	U64SZ = 8,
	MAXVARINTSZ = 10,
};
bare_error bare_put_uint(struct bare_writer *ctx, uint64_t x)
bare_error bare_put_uint(struct bare_writer *ctx, uint64_t x)
{
	uint64_t i = 0;
	uint8_t b[MAXVARINTSZ];
	while (x >= 0x80) {
b[i] = (uint8_t)x | 0x80;
b[i] = (uint8_t) x | 0x80;
x >>= 7; i++; }
b[i] = (uint8_t)x;
b[i] = (uint8_t) x;
i++; return ctx->write(ctx->buffer, b, i); }
bare_error bare_get_uint(struct bare_reader *ctx, uint64_t *x)
bare_error bare_get_uint(struct bare_reader *ctx, uint64_t *x)
{
	bare_error err = BARE_ERROR_NONE;
	uint8_t shift = 0;
	uint64_t result = 0;
	for (uint8_t i = 0;i < 10;i++) {
	for (uint8_t i = 0; i < 10; i++) {
		uint8_t b;
		err = ctx->read(ctx->buffer, &b, U8SZ);
		if (err != BARE_ERROR_NONE) {
			break;
		}
		if (b < 0x80) {
result |= (uint64_t)b << shift;
result |= (uint64_t) b << shift;
			break;
		} else {
result |= ((uint64_t)b & 0x7f) << shift;
result |= ((uint64_t) b & 0x7f) << shift;
shift += 7; } } *x = result; return err; }
bare_error bare_put_int(struct bare_writer *ctx, int64_t x)
bare_error bare_put_int(struct bare_writer *ctx, int64_t x)
{
uint64_t ux = (uint64_t)x << 1;
uint64_t ux = (uint64_t) x << 1;
	if (x < 0) {
		ux = ~ux;
	}
	return bare_put_uint(ctx, ux);
}
bare_error bare_get_int(struct bare_reader *ctx, int64_t *x)
bare_error bare_get_int(struct bare_reader *ctx, int64_t *x)
{
	uint64_t ux;
	bare_error err = bare_get_uint(ctx, &ux);
	if (err == BARE_ERROR_NONE) {
*x = (int64_t)(ux >> 1);
*x = (int64_t) (ux >> 1);
		if ((ux & 1) != 0) {
			*x = ~(*x);
		}
	}
	return err;
}
bare_error bare_put_u8(struct bare_writer *ctx, uint8_t x)
bare_error bare_put_u8(struct bare_writer *ctx, uint8_t x)
{
	return ctx->write(ctx->buffer, &x, U8SZ);
}
bare_error bare_get_u8(struct bare_reader *ctx, uint8_t *x)
bare_error bare_get_u8(struct bare_reader *ctx, uint8_t *x)
{
	return ctx->read(ctx->buffer, x, U8SZ);
}
bare_error bare_put_u16(struct bare_writer *ctx, uint16_t x)
bare_error bare_put_u16(struct bare_writer *ctx, uint16_t x)
{
	return ctx->write(ctx->buffer, (uint8_t[U16SZ]){x, x >> 8}, U16SZ);
	return ctx->write(ctx->buffer, (uint8_t[U16SZ]) {
			  x, x >> 8}
			  , U16SZ);
}
bare_error bare_get_u16(struct bare_reader *ctx, uint16_t *x)
bare_error bare_get_u16(struct bare_reader *ctx, uint16_t *x)
{
	bare_error err = ctx->read(ctx->buffer, x, U16SZ);
	if (err == BARE_ERROR_NONE) {
*x = (uint16_t)((uint8_t *)x)[0] | (uint16_t)((uint8_t *)x)[1] << 8;
*x = (uint16_t) ((uint8_t *) x)[0] | (uint16_t) ((uint8_t *) x)[1] << 8;
} return err; }
bare_error bare_put_u32(struct bare_writer *ctx, uint32_t x)
bare_error bare_put_u32(struct bare_writer *ctx, uint32_t x)
{
	uint8_t buf[U32SZ];
buf[0] = (uint8_t)(x); buf[1] = (uint8_t)(x >> 8); buf[2] = (uint8_t)(x >> 16); buf[3] = (uint8_t)(x >> 24);
buf[0] = (uint8_t) (x); buf[1] = (uint8_t) (x >> 8); buf[2] = (uint8_t) (x >> 16); buf[3] = (uint8_t) (x >> 24);
return ctx->write(ctx->buffer, buf, U32SZ); }
bare_error bare_get_u32(struct bare_reader *ctx, uint32_t *x)
bare_error bare_get_u32(struct bare_reader *ctx, uint32_t *x)
{
	bare_error err = ctx->read(ctx->buffer, x, U32SZ);
	if (err == BARE_ERROR_NONE) {
*x = (uint32_t)(((uint8_t *)x)[0]) | (uint32_t)(((uint8_t *)x)[1] << 8) | (uint32_t)(((uint8_t *)x)[2] << 16) | (uint32_t)(((uint8_t *)x)[3] << 24);
*x = (uint32_t) (((uint8_t *) x)[0]) | (uint32_t) (((uint8_t *) x)[1] << 8) | (uint32_t) (((uint8_t *) x)[2] << 16) | (uint32_t) (((uint8_t *) x)[3] << 24);
} return err; }
bare_error bare_put_u64(struct bare_writer *ctx, uint64_t x)
bare_error bare_put_u64(struct bare_writer *ctx, uint64_t x)
{
	uint8_t buf[U64SZ];
	buf[0] = x;
	buf[1] = x >> 8;
	buf[2] = x >> 16;
	buf[3] = x >> 24;
	buf[4] = x >> 32;
	buf[5] = x >> 40;
	buf[6] = x >> 48;
	buf[7] = x >> 56;
	return ctx->write(ctx->buffer, buf, U64SZ);
}
bare_error bare_get_u64(struct bare_reader *ctx, uint64_t *x)
bare_error bare_get_u64(struct bare_reader *ctx, uint64_t *x)
{
	bare_error err = ctx->read(ctx->buffer, x, U64SZ);
	if (err == BARE_ERROR_NONE) {
*x = (uint64_t)((uint8_t *)x)[0] | (uint64_t)((uint8_t *)x)[1] << 8 | (uint64_t)((uint8_t *)x)[2] << 16 | (uint64_t)((uint8_t *)x)[3] << 24 | (uint64_t)((uint8_t *)x)[4] << 32 | (uint64_t)((uint8_t *)x)[5] << 40 | (uint64_t)((uint8_t *)x)[6] << 48 | (uint64_t)((uint8_t *)x)[7] << 56;
*x = (uint64_t) ((uint8_t *) x)[0] | (uint64_t) ((uint8_t *) x)[1] << 8 | (uint64_t) ((uint8_t *) x)[2] << 16 | (uint64_t) ((uint8_t *) x)[3] << 24 | (uint64_t) ((uint8_t *) x)[4] << 32 | (uint64_t) ((uint8_t *) x)[5] << 40 | (uint64_t) ((uint8_t *) x)[6] << 48 | (uint64_t) ((uint8_t *) x)[7] << 56;
} return err; }
bare_error bare_put_i8(struct bare_writer *ctx, int8_t x)
bare_error bare_put_i8(struct bare_writer *ctx, int8_t x)
{
	return bare_put_u8(ctx, x);
}
bare_error bare_get_i8(struct bare_reader *ctx, int8_t *x)
bare_error bare_get_i8(struct bare_reader *ctx, int8_t *x)
{
return bare_get_u8(ctx, (uint8_t *)x);
return bare_get_u8(ctx, (uint8_t *) x);
}
bare_error bare_put_i16(struct bare_writer *ctx, int16_t x)
bare_error bare_put_i16(struct bare_writer *ctx, int16_t x)
{
	return bare_put_u16(ctx, x);
}
bare_error bare_get_i16(struct bare_reader *ctx, int16_t *x)
bare_error bare_get_i16(struct bare_reader *ctx, int16_t *x)
{
return bare_get_u16(ctx, (uint16_t *)x);
return bare_get_u16(ctx, (uint16_t *) x);
}
bare_error bare_put_i32(struct bare_writer *ctx, int32_t x)
bare_error bare_put_i32(struct bare_writer *ctx, int32_t x)
{
	return bare_put_u32(ctx, x);
}
bare_error bare_get_i32(struct bare_reader *ctx, int32_t *x)
bare_error bare_get_i32(struct bare_reader *ctx, int32_t *x)
{
return bare_get_u32(ctx, (uint32_t *)x);
return bare_get_u32(ctx, (uint32_t *) x);
}
bare_error bare_put_i64(struct bare_writer *ctx, int64_t x)
bare_error bare_put_i64(struct bare_writer *ctx, int64_t x)
{
	return bare_put_u64(ctx, x);
}
bare_error bare_get_i64(struct bare_reader *ctx, int64_t *x)
bare_error bare_get_i64(struct bare_reader *ctx, int64_t *x)
{
return bare_get_u64(ctx, (uint64_t *)x);
return bare_get_u64(ctx, (uint64_t *) x);
}
bare_error bare_put_f32(struct bare_writer *ctx, float x)
bare_error bare_put_f32(struct bare_writer *ctx, float x)
{
	uint32_t b;
	memcpy(&b, &x, U32SZ);
	return bare_put_u32(ctx, b);
}
bare_error bare_get_f32(struct bare_reader *ctx, float *x)
bare_error bare_get_f32(struct bare_reader *ctx, float *x)
{
	return ctx->read(ctx->buffer, x, U32SZ);
}
bare_error bare_put_f64(struct bare_writer *ctx, double x)
bare_error bare_put_f64(struct bare_writer *ctx, double x)
{
	uint64_t b;
	memcpy(&b, &x, U64SZ);
	return bare_put_u64(ctx, b);
}
bare_error bare_get_f64(struct bare_reader *ctx, double *x)
bare_error bare_get_f64(struct bare_reader *ctx, double *x)
{
	return ctx->read(ctx->buffer, x, U64SZ);
}
bare_error bare_put_bool(struct bare_writer *ctx, bool x)
bare_error bare_put_bool(struct bare_writer *ctx, bool x)
{
return bare_put_u8(ctx, (uint8_t)x);
return bare_put_u8(ctx, (uint8_t) x);
}
bare_error bare_get_bool(struct bare_reader *ctx, bool *x)
bare_error bare_get_bool(struct bare_reader *ctx, bool *x)
{
return bare_get_u8(ctx, (uint8_t *)x);
return bare_get_u8(ctx, (uint8_t *) x);
}
bare_error
bare_put_fixed_data(struct bare_writer *ctx, const uint8_t *src, uint64_t sz)
{
	return ctx->write(ctx->buffer, (void *)src, sz);
}
bare_error
bare_get_fixed_data(struct bare_reader *ctx, uint8_t *dst, uint64_t sz)
{
	return ctx->read(ctx->buffer, dst, sz);
}
bare_error
bare_put_data(struct bare_writer *ctx, const uint8_t *src, uint64_t sz)
{
	bare_error err = BARE_ERROR_NONE;
	err = bare_put_uint(ctx, sz);
	if (err == BARE_ERROR_NONE) {
		err = bare_put_fixed_data(ctx, src, sz);
	}
	return err;
}
bare_error bare_get_data(struct bare_reader *ctx, uint8_t *dst, uint64_t sz)
bare_error bare_get_data(struct bare_reader *ctx, uint8_t *dst, uint64_t sz)
{
	bare_error err = BARE_ERROR_NONE;
	uint64_t ssz = 0;
	err = bare_get_uint(ctx, &ssz);
	if (err == BARE_ERROR_NONE) {
err = ssz <= sz \ ? bare_get_fixed_data(ctx, dst, ssz) \ : BARE_ERROR_BUFFER_TOO_SMALL;
err = ssz <= sz ? bare_get_fixed_data(ctx, dst, ssz) : BARE_ERROR_BUFFER_TOO_SMALL;
} return err; }
bare_error bare_put_str(struct bare_writer *ctx, const char *src, uint64_t sz)
bare_error bare_put_str(struct bare_writer *ctx, const char *src, uint64_t sz)
{
return bare_put_data(ctx, (uint8_t *)src, sz);
return bare_put_data(ctx, (uint8_t *) src, sz);
}
bare_error bare_get_str(struct bare_reader *ctx, char *dst, uint64_t sz)
bare_error bare_get_str(struct bare_reader *ctx, char *dst, uint64_t sz)
{
return bare_get_data(ctx, (uint8_t *)dst, sz);
return bare_get_data(ctx, (uint8_t *) dst, sz);
}
/*- * SPDX-License-Identifier: AGPL-3.0-only * SPDX-FileCopyrightText: Copyright (c) 2025 Runxi Yu <https://runxiyu.org> */ #include "x.h"
int cmd_index(git_repository *repo, struct bare_writer *writer)
int cmd_index(git_repository *repo, struct bare_writer *writer)
{
	/* HEAD tree */
	git_object *obj = NULL;
	int err = git_revparse_single(&obj, repo, "HEAD^{tree}");
	if (err != 0) {
		bare_put_uint(writer, 4);
		return -1;
	}
	git_tree *tree = (git_tree *) obj;
	/* README */
	git_tree_entry *entry = NULL;
	err = git_tree_entry_bypath(&entry, tree, "README.md");
	if (err != 0) {
		bare_put_uint(writer, 5);
		git_tree_free(tree);
		return -1;
	}
	git_otype objtype = git_tree_entry_type(entry);
	if (objtype != GIT_OBJECT_BLOB) {
		bare_put_uint(writer, 6);
		git_tree_entry_free(entry);
		git_tree_free(tree);
		return -1;
	}
	git_object *obj2 = NULL;
	err = git_tree_entry_to_object(&obj2, repo, entry);
	if (err != 0) {
		bare_put_uint(writer, 7);
		git_tree_entry_free(entry);
		git_tree_free(tree);
		return -1;
	}
	git_blob *blob = (git_blob *) obj2;
	const void *content = git_blob_rawcontent(blob);
	if (content == NULL) {
		bare_put_uint(writer, 8);
		git_blob_free(blob);
		git_tree_entry_free(entry);
		git_tree_free(tree);
		return -1;
	}
	bare_put_uint(writer, 0);
	bare_put_data(writer, content, git_blob_rawsize(blob));
	/* Commits */
	/* TODO BUG: This might be a different commit from the displayed README due to races */
	git_revwalk *walker = NULL;
	if (git_revwalk_new(&walker, repo) != 0) {
		bare_put_uint(writer, 9);
		git_blob_free(blob);
		git_tree_entry_free(entry);
		git_tree_free(tree);
		return -1;
	}
	if (git_revwalk_push_head(walker) != 0) {
		bare_put_uint(writer, 9);
		git_revwalk_free(walker);
		git_blob_free(blob);
		git_tree_entry_free(entry);
		git_tree_free(tree);
		return -1;
	}
	int count = 0;
	git_oid oid;
	while (count < 3 && git_revwalk_next(&oid, walker) == 0) {
		git_commit *commit = NULL;
		if (git_commit_lookup(&commit, repo, &oid) != 0)
			break;
		const char *msg = git_commit_summary(commit);
		const git_signature *author = git_commit_author(commit);
		/* ID */
		bare_put_data(writer, oid.id, GIT_OID_RAWSZ);
		/* Title */
		size_t msg_len = msg ? strlen(msg) : 0;
bare_put_data(writer, (const uint8_t *)(msg ? msg : ""), msg_len);
bare_put_data(writer, (const uint8_t *)(msg ? msg : ""), msg_len);
/* Author's name */ const char *author_name = author ? author->name : "";
bare_put_data(writer, (const uint8_t *)author_name, strlen(author_name));
bare_put_data(writer, (const uint8_t *)author_name, strlen(author_name));
/* Author's email */ const char *author_email = author ? author->email : "";
bare_put_data(writer, (const uint8_t *)author_email, strlen(author_email));
bare_put_data(writer, (const uint8_t *)author_email, strlen(author_email));
/* Author's date */ /* TODO: Pass the integer instead of a string */ time_t time = git_commit_time(commit); char timebuf[64]; struct tm *tm = localtime(&time); if (tm)
strftime(timebuf, sizeof(timebuf), "%Y-%m-%d %H:%M:%S", tm);
strftime(timebuf, sizeof(timebuf), "%Y-%m-%d %H:%M:%S", tm);
else strcpy(timebuf, "unknown");
bare_put_data(writer, (const uint8_t *)timebuf, strlen(timebuf));
bare_put_data(writer, (const uint8_t *)timebuf, strlen(timebuf));
git_commit_free(commit); count++; } git_revwalk_free(walker); git_blob_free(blob); git_tree_entry_free(entry); git_tree_free(tree); return 0; }
/*- * SPDX-License-Identifier: AGPL-3.0-only * SPDX-FileCopyrightText: Copyright (c) 2025 Runxi Yu <https://runxiyu.org> */ #include "x.h" int
cmd_treeraw(git_repository *repo, struct bare_reader *reader, struct bare_writer *writer)
cmd_treeraw(git_repository *repo, struct bare_reader *reader, struct bare_writer *writer)
{
	/* Path */
	char path[4096] = {0};
	int err = bare_get_data(reader, (uint8_t *)path, sizeof(path) - 1);
	char path[4096] = { 0 };
	int err = bare_get_data(reader, (uint8_t *) path, sizeof(path) - 1);
	if (err != BARE_ERROR_NONE) {
		bare_put_uint(writer, 11);
		return -1;
	}
	path[sizeof(path) - 1] = '\0';
	/* HEAD^{tree} */
	git_object *head_obj = NULL;
	err = git_revparse_single(&head_obj, repo, "HEAD^{tree}");
	if (err != 0) {
		bare_put_uint(writer, 4);
		return -1;
	}
git_tree *tree = (git_tree *)head_obj;
git_tree *tree = (git_tree *) head_obj;
	/* Path in tree */
	git_tree_entry *entry = NULL;
	git_otype objtype;
	if (strlen(path) == 0) {
		entry = NULL;
		objtype = GIT_OBJECT_TREE;
	} else {
		err = git_tree_entry_bypath(&entry, tree, path);
		if (err != 0) {
			bare_put_uint(writer, 3);
			git_tree_free(tree);
			return 0;
		}
		objtype = git_tree_entry_type(entry);
	}
	if (objtype == GIT_OBJECT_TREE) {
		/* Tree */
		git_object *tree_obj = NULL;
		if (entry == NULL) {
tree_obj = (git_object *)tree;
tree_obj = (git_object *) tree;
		} else {
			err = git_tree_entry_to_object(&tree_obj, repo, entry);
			if (err != 0) {
				bare_put_uint(writer, 7);
				goto cleanup;
			}
		}
git_tree *subtree = (git_tree *)tree_obj;
git_tree *subtree = (git_tree *) tree_obj;
		size_t count = git_tree_entrycount(subtree);
		bare_put_uint(writer, 0);
		bare_put_uint(writer, 1);
		bare_put_uint(writer, count);
		for (size_t i = 0; i < count; i++) {
const git_tree_entry *subentry = git_tree_entry_byindex(subtree, i);
const git_tree_entry *subentry = git_tree_entry_byindex(subtree, i);
			const char *name = git_tree_entry_name(subentry);
			git_otype type = git_tree_entry_type(subentry);
			uint32_t mode = git_tree_entry_filemode(subentry);
			uint8_t entry_type = 0;
			uint64_t size = 0;
			if (type == GIT_OBJECT_TREE) {
				entry_type = 1;
			} else if (type == GIT_OBJECT_BLOB) {
				entry_type = 2;
				git_object *subobj = NULL;
				if (git_tree_entry_to_object(&subobj, repo, subentry) == 0) {
					git_blob *b = (git_blob *)subobj;
				if (git_tree_entry_to_object
				    (&subobj, repo, subentry) == 0) {
					git_blob *b = (git_blob *) subobj;
size = git_blob_rawsize(b); git_blob_free(b); } } bare_put_uint(writer, entry_type); bare_put_uint(writer, mode); bare_put_uint(writer, size);
bare_put_data(writer, (const uint8_t *)name, strlen(name));
bare_put_data(writer, (const uint8_t *)name, strlen(name));
		}
		if (entry != NULL) {
			git_tree_free(subtree);
		}
	} else if (objtype == GIT_OBJECT_BLOB) {
		/* Blob */
		git_object *blob_obj = NULL;
		err = git_tree_entry_to_object(&blob_obj, repo, entry);
		if (err != 0) {
			bare_put_uint(writer, 7);
			goto cleanup;
		}
git_blob *blob = (git_blob *)blob_obj;
git_blob *blob = (git_blob *) blob_obj;
		const void *content = git_blob_rawcontent(blob);
		if (content == NULL) {
			bare_put_uint(writer, 8);
			git_blob_free(blob);
			goto cleanup;
		}
		bare_put_uint(writer, 0);
		bare_put_uint(writer, 2);
		bare_put_data(writer, content, git_blob_rawsize(blob));
		git_blob_free(blob);
	} else {
		/* Unknown */
		bare_put_uint(writer, -1);
	}
cleanup:
cleanup:
if (entry != NULL) git_tree_entry_free(entry); git_tree_free(tree); return 0; }
/*- * SPDX-License-Identifier: AGPL-3.0-only * SPDX-FileCopyrightText: Copyright (c) 2025 Runxi Yu <https://runxiyu.org> */ /* * TODO: Pool repositories (and take care of thread safety) * libgit2 has a nice builtin per-repo cache that we could utilize this way. */ #include "x.h"
int main(int argc, char **argv)
int main(int argc, char **argv)
{
	if (argc != 2) {
		errx(1, "provide one argument: the socket path");
	}
	signal(SIGPIPE, SIG_IGN);
	git_libgit2_init();
	int sock;
	if ((sock = socket(AF_UNIX, SOCK_STREAM | SOCK_CLOEXEC, 0)) < 0)
		err(1, "socket");
	struct sockaddr_un addr;
	memset(&addr, 0, sizeof(addr));
	addr.sun_family = AF_UNIX;
	strcpy(addr.sun_path, argv[1]);
	umask(0077);
	if (bind(sock, (struct sockaddr *)&addr, sizeof(struct sockaddr_un))) {
		if (errno == EADDRINUSE) {
			unlink(argv[1]);
if (bind(sock, (struct sockaddr *)&addr, sizeof(struct sockaddr_un)))
if (bind (sock, (struct sockaddr *)&addr, sizeof(struct sockaddr_un)))
				err(1, "bind");
		} else {
			err(1, "bind");
		}
	}
	listen(sock, 128);
	for (;;) {
		int *conn = malloc(sizeof(int));
		if (conn == NULL) {
			warn("malloc");
			continue;
		}
		*conn = accept(sock, 0, 0);
		if (*conn == -1) {
			free(conn);
			warn("accept");
			continue;
		}
		pthread_t thread;
		if (pthread_create(&thread, NULL, session, (void *)conn) != 0) {
			close(*conn);
			free(conn);
			warn("pthread_create");
		}
	}
	close(sock);
	git_libgit2_shutdown();
}
/*- * SPDX-License-Identifier: AGPL-3.0-only * SPDX-FileCopyrightText: Copyright (c) 2025 Runxi Yu <https://runxiyu.org> */ #include "x.h"
bare_error conn_read(void *buffer, void *dst, uint64_t sz)
bare_error conn_read(void *buffer, void *dst, uint64_t sz)
{
	conn_io_t *io = buffer;
	ssize_t rsz = read(io->fd, dst, sz);
	return (rsz == (ssize_t) sz) ? BARE_ERROR_NONE : BARE_ERROR_READ_FAILED;
}
bare_error conn_write(void *buffer, const void *src, uint64_t sz)
bare_error conn_write(void *buffer, const void *src, uint64_t sz)
{
	conn_io_t *io = buffer;
	const uint8_t *data = src;
	uint64_t total = 0;
	while (total < sz) {
		ssize_t written = write(io->fd, data + total, sz - total);
		if (written < 0) {
			if (errno == EINTR)
				continue;
			return BARE_ERROR_WRITE_FAILED;
		}
		if (written == 0)
			break;
		total += written;
	}
	return (total == sz) ? BARE_ERROR_NONE : BARE_ERROR_WRITE_FAILED;
}
/*- * SPDX-License-Identifier: AGPL-3.0-only * SPDX-FileCopyrightText: Copyright (c) 2025 Runxi Yu <https://runxiyu.org> */ #include "x.h"
void * session(void *_conn)
void *session(void *_conn)
{
	int conn = *(int *)_conn;
	free((int *)_conn);
	int err;
	conn_io_t io = {.fd = conn };
	struct bare_reader reader = {
		.buffer = &io,
		.read = conn_read,
	};
	struct bare_writer writer = {
		.buffer = &io,
		.write = conn_write,
	};
	/* Repo path */
	char path[4096] = {0};
	char path[4096] = { 0 };
	err = bare_get_data(&reader, (uint8_t *) path, sizeof(path) - 1);
	if (err != BARE_ERROR_NONE) {
		goto close;
	}
	path[sizeof(path) - 1] = '\0';
	/* Open repo */
	git_repository *repo = NULL;
err = git_repository_open_ext(&repo, path, GIT_REPOSITORY_OPEN_NO_SEARCH | GIT_REPOSITORY_OPEN_BARE | GIT_REPOSITORY_OPEN_NO_DOTGIT, NULL);
err = git_repository_open_ext(&repo, path, GIT_REPOSITORY_OPEN_NO_SEARCH | GIT_REPOSITORY_OPEN_BARE | GIT_REPOSITORY_OPEN_NO_DOTGIT, NULL);
	if (err != 0) {
		bare_put_uint(&writer, 1);
		goto close;
	}
	/* Command */
	uint64_t cmd = 0;
	err = bare_get_uint(&reader, &cmd);
	if (err != BARE_ERROR_NONE) {
		bare_put_uint(&writer, 2);
		goto free_repo;
	}
	switch (cmd) {
	case 1:
		err = cmd_index(repo, &writer);
		if (err != 0)
			goto free_repo;
		break;
	case 2:
		err = cmd_treeraw(repo, &reader, &writer);
		if (err != 0)
			goto free_repo;
		break;
	case 0:
		bare_put_uint(&writer, 3);
		goto free_repo;
	default:
		bare_put_uint(&writer, 3);
		goto free_repo;
	}
free_repo:
free_repo:
git_repository_free(repo);
close:
close:
close(conn); return NULL; }