зеркало из https://github.com/microsoft/git.git
92 строки
1.9 KiB
C
92 строки
1.9 KiB
C
#include "builtin.h"
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#include "cache.h"
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#include "progress.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 struct progress *progress;
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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))
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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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display_progress(progress, i + 1);
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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 (opts == VERBOSE)
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progress = start_progress_delay("Removing duplicate objects",
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256, 95, 2);
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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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display_progress(progress, i + 1);
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sprintf(pathname + len, "%02x/", i);
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d = opendir(pathname);
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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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stop_progress(&progress);
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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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prune_packed_objects(opts);
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return 0;
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}
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