사용자:Topoi/patch-7982fe078c2b4a25260c1bfdeb4f78df3b1e641225c3006bdd06dc78c766c2c9(r2 RAW)

{{{#!syntax diff
diff --git a/builtin/commit.c b/builtin/commit.c
index 2f45968222..25e26a2f70 100644
--- a/builtin/commit.c
+++ b/builtin/commit.c
@@ -125,7 +125,7 @@ static int all, also, interactive, patch_interactive, only, amend, signoff;
 static int edit_flag = -1; /* unspecified */
 static int quiet, verbose, no_verify, allow_empty, dry_run, renew_authorship;
 static int config_commit_verbose = -1; /* unspecified */
-static int no_post_rewrite, allow_empty_message, pathspec_file_nul;
+static int no_post_rewrite, allow_empty_message = 1, pathspec_file_nul;
 static const char *untracked_files_arg, *force_date, *ignore_submodule_arg, *ignored_arg;
 static const char *sign_commit, *pathspec_from_file;
 static struct strvec trailer_args = STRVEC_INIT;
}}}

문제는 이대로 빌드하면 unit test가 실패하는 듯하다.

{{{#!syntax sh
error: builder for '/nix/store/m9iqhqfxxqs7p6jdj2jcf9aq2ygfiv0a-git-2.47.2.drv' failed with exit code 2;
       last 25 log lines:
       > t3404-rebase-interactive.sh                      (Wstat: 256 (exited 1) Tests: 131 Failed: 3)
       >   Failed tests:  42-44
       >   Non-zero exit status: 1
       > t7500-commit-template-squash-signoff.sh          (Wstat: 256 (exited 1) Tests: 54 Failed: 5)
       >   Failed tests:  4, 8, 22, 24, 34
       >   Non-zero exit status: 1
       > t7501-commit-basic-functionality.sh              (Wstat: 256 (exited 1) Tests: 77 Failed: 4)
       >   Failed tests:  27, 29, 39, 47
       >   Non-zero exit status: 1
       > t7507-commit-verbose.sh                          (Wstat: 256 (exited 1) Tests: 45 Failed: 23)
       >   Failed tests:  8-10, 13-14, 19-21, 23-24, 26-27, 29-30
       >                 32-33, 35-36, 38-39, 41-42, 44
       >   Non-zero exit status: 1
       > t7502-commit-porcelain.sh                        (Wstat: 256 (exited 1) Tests: 81 Failed: 1)
       >   Failed test:  39
       >   Non-zero exit status: 1
       > t7508-status.sh                                  (Wstat: 256 (exited 1) Tests: 125 Failed: 66)
       >   Failed tests:  13-19, 21-35, 37-41, 50-54, 58-66, 69, 71-93
       >                 107
       >   Non-zero exit status: 1
       > Files=1023, Tests=30126, 216 wallclock secs (10.62 usr  2.79 sys + 449.92 cusr 960.70 csys = 1424.03 CPU)
       > Result: FAIL
       > make[1]: *** [Makefile:73: prove] Error 1
       > make[1]: Leaving directory '/build/git-2.47.2/t'
       > make: *** [Makefile:3273: test] Error 2
       For full logs, run 'nix log /nix/store/m9iqhqfxxqs7p6jdj2jcf9aq2ygfiv0a-git-2.47.2.drv'.
error: 1 dependencies of derivation '/nix/store/2i62rn1l27qy4gm30msn39i0ban9q5f1-git-2.47.2-fish-completions.drv' failed to build
error: 1 dependencies of derivation '/nix/store/hx9d5rydwzi4inqhbfi33azafafv7071-home-manager-path.drv' failed to build
error: 1 dependencies of derivation '/nix/store/whrrhjd3lwjv6kj6j7smd3xx1h3b1d3l-home-manager-generation.drv' failed to build}}}

{{{#!syntax cpp
struct delta_index {
	unsigned long memsize;
	const void *src_buf;
	unsigned long src_size;
	unsigned int hash_mask;
	struct index_entry *hash[FLEX_ARRAY];
};

struct delta_index * create_delta_index(const void *buf, unsigned long bufsize)
{
	unsigned int i, hsize, hmask, entries, prev_val, *hash_count;
	const unsigned char *data, *buffer = buf;
	struct delta_index *index;
	struct unpacked_index_entry *entry, **hash;
	struct index_entry *packed_entry, **packed_hash;
	void *mem;
	unsigned long memsize;

	if (!buf || !bufsize)
		return NULL;

	entries = (bufsize - 1) / RABIN_WINDOW;
	if (bufsize >= 0xffffffffUL) {
		entries = 0xfffffffeU / RABIN_WINDOW;
	}
	hsize = entries / 4;
	for (i = 4; (1u << i) < hsize; i++);
	hsize = 1 << i;
	hmask = hsize - 1;

	/* allocate lookup index */
	memsize = sizeof(*hash) * hsize +
		  sizeof(*entry) * entries;
	mem = malloc(memsize);
	if (!mem)
		return NULL;
	hash = mem;
	mem = hash + hsize;
	entry = mem;

	memset(hash, 0, hsize * sizeof(*hash));

	hash_count = calloc(hsize, sizeof(*hash_count));
	if (!hash_count) {
		free(hash);
		return NULL;
	}

	prev_val = ~0;
	for (data = buffer + entries * RABIN_WINDOW - RABIN_WINDOW;
	     data >= buffer;
	     data -= RABIN_WINDOW) {
		unsigned int val = 0;
		for (i = 1; i <= RABIN_WINDOW; i++)
			val = ((val << 8) | data[i]) ^ T[val >> RABIN_SHIFT];
		if (val == prev_val) {
			entry[-1].entry.ptr = data + RABIN_WINDOW;
			--entries;
		} else {
			prev_val = val;
			i = val & hmask;
			entry->entry.ptr = data + RABIN_WINDOW;
			entry->entry.val = val;
			entry->next = hash[i];
			hash[i] = entry++;
			hash_count[i]++;
		}
	}

	for (i = 0; i < hsize; i++) {
		int acc;

		if (hash_count[i] <= HASH_LIMIT)
			continue;

		entries -= hash_count[i] - HASH_LIMIT;

		entry = hash[i];
		acc = 0;

		do {
			acc += hash_count[i] - HASH_LIMIT;
			if (acc > 0) {
				struct unpacked_index_entry *keep = entry;
				do {
					entry = entry->next;
					acc -= HASH_LIMIT;
				} while (acc > 0);
				keep->next = entry->next;
			}
			entry = entry->next;
		} while (entry);
	}
	free(hash_count);

	memsize = sizeof(*index)
		+ sizeof(*packed_hash) * (hsize+1)
		+ sizeof(*packed_entry) * entries;
	mem = malloc(memsize);
	if (!mem) {
		free(hash);
		return NULL;
	}

	index = mem;
	index->memsize = memsize;
	index->src_buf = buf;
	index->src_size = bufsize;
	index->hash_mask = hmask;

	mem = index->hash;
	packed_hash = mem;
	mem = packed_hash + (hsize+1);
	packed_entry = mem;

	for (i = 0; i < hsize; i++) {
		packed_hash[i] = packed_entry;
		for (entry = hash[i]; entry; entry = entry->next)
			*packed_entry++ = entry->entry;
	}

	packed_hash[hsize] = packed_entry;

	assert(packed_entry - (struct index_entry *)mem == entries);
	free(hash);

	return index;
}

void free_delta_index(struct delta_index *index)
{
	free(index);
}

unsigned long sizeof_delta_index(struct delta_index *index)
{
	if (index)
		return index->memsize;
	else
		return 0;
}

#define MAX_OP_SIZE	(5 + 5 + 1 + RABIN_WINDOW + 7)

void *
create_delta(const struct delta_index *index,
	     const void *trg_buf, unsigned long trg_size,
	     unsigned long *delta_size, unsigned long max_size)
{
	unsigned int i, val;
	off_t outpos, moff;
	size_t l, outsize, msize;
	int inscnt;
	const unsigned char *ref_data, *ref_top, *data, *top;
	unsigned char *out;

	*delta_size = 0;

	if (!trg_buf || !trg_size)
		return NULL;

	outpos = 0;
	outsize = 8192;
	if (max_size && outsize >= max_size)
		outsize = max_size + MAX_OP_SIZE + 1;
	out = malloc(outsize);
	if (!out)
		return NULL;

	l = index->src_size;
	while (l >= 0x80) {
		out[outpos++] = l | 0x80;
		l >>= 7;
	}
	out[outpos++] = l;

	l = trg_size;
	while (l >= 0x80) {
		out[outpos++] = l | 0x80;
		l >>= 7;
	}
	out[outpos++] = l;

	ref_data = index->src_buf;
	ref_top = ref_data + index->src_size;
	data = trg_buf;
	top = (const unsigned char *) trg_buf + trg_size;

	outpos++;
	val = 0;
	for (i = 0; i < RABIN_WINDOW && data < top; i++, data++) {
		out[outpos++] = *data;
		val = ((val << 8) | *data) ^ T[val >> RABIN_SHIFT];
	}
	inscnt = i;

	moff = 0;
	msize = 0;
	while (data < top) {
		if (msize < 4096) {
			struct index_entry *entry;
			val ^= U[data[-RABIN_WINDOW]];
			val = ((val << 8) | *data) ^ T[val >> RABIN_SHIFT];
			i = val & index->hash_mask;
			for (entry = index->hash[i]; entry < index->hash[i+1]; entry++) {
				const unsigned char *ref = entry->ptr;
				const unsigned char *src = data;
				unsigned int ref_size = ref_top - ref;
				if (entry->val != val)
					continue;
				if (ref_size > top - src)
					ref_size = top - src;
				if (ref_size <= msize)
					break;
				while (ref_size-- && *src++ == *ref)
					ref++;
				if (msize < ref - entry->ptr) {
					msize = ref - entry->ptr;
					moff = entry->ptr - ref_data;
					if (msize >= 4096)
						break;
				}
			}
		}

		if (msize < 4) {
			if (!inscnt)
				outpos++;
			out[outpos++] = *data++;
			inscnt++;
			if (inscnt == 0x7f) {
				out[outpos - inscnt - 1] = inscnt;
				inscnt = 0;
			}
			msize = 0;
		} else {
			unsigned int left;
			unsigned char *op;

			if (inscnt) {
				while (moff && ref_data[moff-1] == data[-1]) {
					msize++;
					moff--;
					data--;
					outpos--;
					if (--inscnt)
						continue;
					outpos--;
					inscnt--;
					break;
				}
				out[outpos - inscnt - 1] = inscnt;
				inscnt = 0;
			}

			left = (msize < 0x10000) ? 0 : (msize - 0x10000);
			msize -= left;

			op = out + outpos++;
			i = 0x80;

			if (moff & 0x000000ff)
				out[outpos++] = moff >> 0,  i |= 0x01;
			if (moff & 0x0000ff00)
				out[outpos++] = moff >> 8,  i |= 0x02;
			if (moff & 0x00ff0000)
				out[outpos++] = moff >> 16, i |= 0x04;
			if (moff & 0xff000000)
				out[outpos++] = moff >> 24, i |= 0x08;

			if (msize & 0x00ff)
				out[outpos++] = msize >> 0, i |= 0x10;
			if (msize & 0xff00)
				out[outpos++] = msize >> 8, i |= 0x20;

			*op = i;

			data += msize;
			moff += msize;
			msize = left;

			if (moff > 0xffffffff)
				msize = 0;

			if (msize < 4096) {
				int j;
				val = 0;
				for (j = -RABIN_WINDOW; j < 0; j++)
					val = ((val << 8) | data[j])
					      ^ T[val >> RABIN_SHIFT];
			}
		}

		if (outpos >= outsize - MAX_OP_SIZE) {
			void *tmp = out;
			outsize = outsize * 3 / 2;
			if (max_size && outsize >= max_size)
				outsize = max_size + MAX_OP_SIZE + 1;
			if (max_size && outpos > max_size)
				break;
			out = realloc(out, outsize);
			if (!out) {
				free(tmp);
				return NULL;
			}
		}
	}

	if (inscnt)
		out[outpos - inscnt - 1] = inscnt;

	if (max_size && outpos > max_size) {
		free(out);
		return NULL;
	}

	*delta_size = outpos;
	return out;
}
}}}