1 files changed, 0 insertions, 326 deletions
diff --git a/convert-cache.c b/convert-cache.c
deleted file mode 100644
index 95f0302f7a..0000000000
--- a/convert-cache.c
+++ /dev/null
@@ -1,326 +0,0 @@
-#define _XOPEN_SOURCE /* glibc2 needs this */
-#include <time.h>
-#include <ctype.h>
-#include "cache.h"
-
-struct entry {
-	unsigned char old_sha1[20];
-	unsigned char new_sha1[20];
-	int converted;
-};
-
-#define MAXOBJECTS (1000000)
-
-static struct entry *convert[MAXOBJECTS];
-static int nr_convert;
-
-static struct entry * convert_entry(unsigned char *sha1);
-
-static struct entry *insert_new(unsigned char *sha1, int pos)
-{
-	struct entry *new = xmalloc(sizeof(struct entry));
-	memset(new, 0, sizeof(*new));
-	memcpy(new->old_sha1, sha1, 20);
-	memmove(convert + pos + 1, convert + pos, (nr_convert - pos) * sizeof(struct entry *));
-	convert[pos] = new;
-	nr_convert++;
-	if (nr_convert == MAXOBJECTS)
-		die("you're kidding me - hit maximum object limit");
-	return new;
-}
-
-static struct entry *lookup_entry(unsigned char *sha1)
-{
-	int low = 0, high = nr_convert;
-
-	while (low < high) {
-		int next = (low + high) / 2;
-		struct entry *n = convert[next];
-		int cmp = memcmp(sha1, n->old_sha1, 20);
-		if (!cmp)
-			return n;
-		if (cmp < 0) {
-			high = next;
-			continue;
-		}
-		low = next+1;
-	}
-	return insert_new(sha1, low);
-}
-
-static void convert_binary_sha1(void *buffer)
-{
-	struct entry *entry = convert_entry(buffer);
-	memcpy(buffer, entry->new_sha1, 20);
-}
-
-static void convert_ascii_sha1(void *buffer)
-{
-	unsigned char sha1[20];
-	struct entry *entry;
-
-	if (get_sha1_hex(buffer, sha1))
-		die("expected sha1, got '%s'", (char*) buffer);
-	entry = convert_entry(sha1);
-	memcpy(buffer, sha1_to_hex(entry->new_sha1), 40);
-}
-
-static unsigned int convert_mode(unsigned int mode)
-{
-	unsigned int newmode;
-
-	newmode = mode & S_IFMT;
-	if (S_ISREG(mode))
-		newmode |= (mode & 0100) ? 0755 : 0644;
-	return newmode;
-}
-
-static int write_subdirectory(void *buffer, unsigned long size, const char *base, int baselen, unsigned char *result_sha1)
-{
-	char *new = xmalloc(size);
-	unsigned long newlen = 0;
-	unsigned long used;
-
-	used = 0;
-	while (size) {
-		int len = 21 + strlen(buffer);
-		char *path = strchr(buffer, ' ');
-		unsigned char *sha1;
-		unsigned int mode;
-		char *slash, *origpath;
-
-		if (!path || sscanf(buffer, "%o", &mode) != 1)
-			die("bad tree conversion");
-		mode = convert_mode(mode);
-		path++;
-		if (memcmp(path, base, baselen))
-			break;
-		origpath = path;
-		path += baselen;
-		slash = strchr(path, '/');
-		if (!slash) {
-			newlen += sprintf(new + newlen, "%o %s", mode, path);
-			new[newlen++] = '\0';
-			memcpy(new + newlen, buffer + len - 20, 20);
-			newlen += 20;
-
-			used += len;
-			size -= len;
-			buffer += len;
-			continue;
-		}
-
-		newlen += sprintf(new + newlen, "%o %.*s", S_IFDIR, (int)(slash - path), path);
-		new[newlen++] = 0;
-		sha1 = (unsigned char *)(new + newlen);
-		newlen += 20;
-
-		len = write_subdirectory(buffer, size, origpath, slash-origpath+1, sha1);
-
-		used += len;
-		size -= len;
-		buffer += len;
-	}
-
-	write_sha1_file(new, newlen, "tree", result_sha1);
-	free(new);
-	return used;
-}
-
-static void convert_tree(void *buffer, unsigned long size, unsigned char *result_sha1)
-{
-	void *orig_buffer = buffer;
-	unsigned long orig_size = size;
-
-	while (size) {
-		int len = 1+strlen(buffer);
-
-		convert_binary_sha1(buffer + len);
-
-		len += 20;
-		if (len > size)
-			die("corrupt tree object");
-		size -= len;
-		buffer += len;
-	}
-
-	write_subdirectory(orig_buffer, orig_size, "", 0, result_sha1);
-}
-
-static unsigned long parse_oldstyle_date(const char *buf)
-{
-	char c, *p;
-	char buffer[100];
-	struct tm tm;
-	const char *formats[] = {
-		"%c",
-		"%a %b %d %T",
-		"%Z",
-		"%Y",
-		" %Y",
-		NULL
-	};
-	/* We only ever did two timezones in the bad old format .. */
-	const char *timezones[] = {
-		"PDT", "PST", "CEST", NULL
-	};
-	const char **fmt = formats;
-
-	p = buffer;
-	while (isspace(c = *buf))
-		buf++;
-	while ((c = *buf++) != '\n')
-		*p++ = c;
-	*p++ = 0;
-	buf = buffer;
-	memset(&tm, 0, sizeof(tm));
-	do {
-		const char *next = strptime(buf, *fmt, &tm);
-		if (next) {
-			if (!*next)
-				return mktime(&tm);
-			buf = next;
-		} else {
-			const char **p = timezones;
-			while (isspace(*buf))
-				buf++;
-			while (*p) {
-				if (!memcmp(buf, *p, strlen(*p))) {
-					buf += strlen(*p);
-					break;
-				}
-				p++;
-			}
-		}
-		fmt++;
-	} while (*buf && *fmt);
-	printf("left: %s\n", buf);
-	return mktime(&tm);				
-}
-
-static int convert_date_line(char *dst, void **buf, unsigned long *sp)
-{
-	unsigned long size = *sp;
-	char *line = *buf;
-	char *next = strchr(line, '\n');
-	char *date = strchr(line, '>');
-	int len;
-
-	if (!next || !date)
-		die("missing or bad author/committer line %s", line);
-	next++; date += 2;
-
-	*buf = next;
-	*sp = size - (next - line);
-
-	len = date - line;
-	memcpy(dst, line, len);
-	dst += len;
-
-	/* Is it already in new format? */
-	if (isdigit(*date)) {
-		int datelen = next - date;
-		memcpy(dst, date, datelen);
-		return len + datelen;
-	}
-
-	/*
-	 * Hacky hacky: one of the sparse old-style commits does not have
-	 * any date at all, but we can fake it by using the committer date.
-	 */
-	if (*date == '\n' && strchr(next, '>'))
-		date = strchr(next, '>')+2;
-
-	return len + sprintf(dst, "%lu -0700\n", parse_oldstyle_date(date));
-}
-
-static void convert_date(void *buffer, unsigned long size, unsigned char *result_sha1)
-{
-	char *new = xmalloc(size + 100);
-	unsigned long newlen = 0;
-	
-	// "tree <sha1>\n"
-	memcpy(new + newlen, buffer, 46);
-	newlen += 46;
-	buffer += 46;
-	size -= 46;
-
-	// "parent <sha1>\n"
-	while (!memcmp(buffer, "parent ", 7)) {
-		memcpy(new + newlen, buffer, 48);
-		newlen += 48;
-		buffer += 48;
-		size -= 48;
-	}
-
-	// "author xyz <xyz> date"
-	newlen += convert_date_line(new + newlen, &buffer, &size);
-	// "committer xyz <xyz> date"
-	newlen += convert_date_line(new + newlen, &buffer, &size);
-
-	// Rest
-	memcpy(new + newlen, buffer, size);
-	newlen += size;
-
-	write_sha1_file(new, newlen, "commit", result_sha1);
-	free(new);	
-}
-
-static void convert_commit(void *buffer, unsigned long size, unsigned char *result_sha1)
-{
-	void *orig_buffer = buffer;
-	unsigned long orig_size = size;
-
-	if (memcmp(buffer, "tree ", 5))
-		die("Bad commit '%s'", (char*) buffer);
-	convert_ascii_sha1(buffer+5);
-	buffer += 46;    /* "tree " + "hex sha1" + "\n" */
-	while (!memcmp(buffer, "parent ", 7)) {
-		convert_ascii_sha1(buffer+7);
-		buffer += 48;
-	}
-	convert_date(orig_buffer, orig_size, result_sha1);
-}
-
-static struct entry * convert_entry(unsigned char *sha1)
-{
-	struct entry *entry = lookup_entry(sha1);
-	char type[20];
-	void *buffer, *data;
-	unsigned long size;
-
-	if (entry->converted)
-		return entry;
-	data = read_sha1_file(sha1, type, &size);
-	if (!data)
-		die("unable to read object %s", sha1_to_hex(sha1));
-
-	buffer = xmalloc(size);
-	memcpy(buffer, data, size);
-	
-	if (!strcmp(type, "blob")) {
-		write_sha1_file(buffer, size, "blob", entry->new_sha1);
-	} else if (!strcmp(type, "tree"))
-		convert_tree(buffer, size, entry->new_sha1);
-	else if (!strcmp(type, "commit"))
-		convert_commit(buffer, size, entry->new_sha1);
-	else
-		die("unknown object type '%s' in %s", type, sha1_to_hex(sha1));
-	entry->converted = 1;
-	free(buffer);
-	free(data);
-	return entry;
-}
-
-int main(int argc, char **argv)
-{
-	unsigned char sha1[20];
-	struct entry *entry;
-
-	if (argc != 2 || get_sha1(argv[1], sha1))
-		usage("git-convert-cache <sha1>");
-
-	entry = convert_entry(sha1);
-	printf("new sha1: %s\n", sha1_to_hex(entry->new_sha1));
-	return 0;
-}