88 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			88 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
#include "builtin.h"
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#include "cache.h"
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static const char prune_packed_usage[] =
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"git-prune-packed [-n] [-q]";
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#define DRY_RUN 01
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#define VERBOSE 02
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static void prune_dir(int i, DIR *dir, char *pathname, int len, int opts)
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{
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	struct dirent *de;
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	char hex[40];
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	sprintf(hex, "%02x", i);
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	while ((de = readdir(dir)) != NULL) {
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		unsigned char sha1[20];
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		if (strlen(de->d_name) != 38)
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			continue;
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		memcpy(hex+2, de->d_name, 38);
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		if (get_sha1_hex(hex, sha1))
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			continue;
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		if (!has_sha1_pack(sha1, NULL))
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			continue;
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		memcpy(pathname + len, de->d_name, 38);
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		if (opts & DRY_RUN)
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			printf("rm -f %s\n", pathname);
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		else if (unlink(pathname) < 0)
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			error("unable to unlink %s", pathname);
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	}
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	pathname[len] = 0;
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	rmdir(pathname);
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}
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void prune_packed_objects(int opts)
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{
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	int i;
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	static char pathname[PATH_MAX];
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	const char *dir = get_object_directory();
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	int len = strlen(dir);
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	if (len > PATH_MAX - 42)
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		die("impossible object directory");
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	memcpy(pathname, dir, len);
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	if (len && pathname[len-1] != '/')
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		pathname[len++] = '/';
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	for (i = 0; i < 256; i++) {
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		DIR *d;
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		sprintf(pathname + len, "%02x/", i);
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		d = opendir(pathname);
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		if (opts == VERBOSE && (d || i == 255))
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			fprintf(stderr, "Removing unused objects %d%%...\015",
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				((i+1) * 100) / 256);
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		if (!d)
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			continue;
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		prune_dir(i, d, pathname, len + 3, opts);
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		closedir(d);
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	}
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	if (opts == VERBOSE)
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		fprintf(stderr, "\nDone.\n");
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}
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int cmd_prune_packed(int argc, const char **argv, const char *prefix)
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{
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	int i;
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	int opts = VERBOSE;
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	for (i = 1; i < argc; i++) {
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		const char *arg = argv[i];
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		if (*arg == '-') {
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			if (!strcmp(arg, "-n"))
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				opts |= DRY_RUN;
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			else if (!strcmp(arg, "-q"))
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				opts &= ~VERBOSE;
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			else
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				usage(prune_packed_usage);
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			continue;
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		}
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		/* Handle arguments here .. */
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		usage(prune_packed_usage);
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	}
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	sync();
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	prune_packed_objects(opts);
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	return 0;
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}
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