git@vger.kernel.org mailing list mirror (one of many)
 help / color / mirror / code / Atom feed
blob 0acf99931ee176982d61078dc0e2d882377c05fd 2453 bytes (raw)
name: t/helper/test-oidmap.c 	 # note: path name is non-authoritative(*)

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
 
#include "test-tool.h"
#include "cache.h"
#include "oidmap.h"
#include "strbuf.h"

/* key is an oid and value is a name (could be a refname for example) */
struct test_entry {
	struct oidmap_entry entry;
	char name[FLEX_ARRAY];
};

#define DELIM " \t\r\n"

/*
 * Read stdin line by line and print result of commands to stdout:
 *
 * hash oidkey -> sha1hash(oidkey)
 * put oidkey namevalue -> NULL / old namevalue
 * get oidkey -> NULL / namevalue
 * remove oidkey -> NULL / old namevalue
 * iterate -> oidkey1 namevalue1\noidkey2 namevalue2\n...
 *
 */
int cmd__oidmap(int argc, const char **argv)
{
	struct strbuf line = STRBUF_INIT;
	struct oidmap map = OIDMAP_INIT;

	setup_git_directory();

	/* init oidmap */
	oidmap_init(&map, 0);

	/* process commands from stdin */
	while (strbuf_getline(&line, stdin) != EOF) {
		char *cmd, *p1 = NULL, *p2 = NULL;
		struct test_entry *entry;
		struct object_id oid;

		/* break line into command and up to two parameters */
		cmd = strtok(line.buf, DELIM);
		/* ignore empty lines */
		if (!cmd || *cmd == '#')
			continue;

		p1 = strtok(NULL, DELIM);
		if (p1)
			p2 = strtok(NULL, DELIM);

		if (!strcmp("put", cmd) && p1 && p2) {

			if (get_oid(p1, &oid)) {
				printf("Unknown oid: %s\n", p1);
				continue;
			}

			/* create entry with oid_key = p1, name_value = p2 */
			FLEX_ALLOC_STR(entry, name, p2);
			oidcpy(&entry->entry.oid, &oid);

			/* add / replace entry */
			entry = oidmap_put(&map, entry);

			/* print and free replaced entry, if any */
			puts(entry ? entry->name : "NULL");
			free(entry);

		} else if (!strcmp("get", cmd) && p1) {

			if (get_oid(p1, &oid)) {
				printf("Unknown oid: %s\n", p1);
				continue;
			}

			/* lookup entry in oidmap */
			entry = oidmap_get(&map, &oid);

			/* print result */
			puts(entry ? entry->name : "NULL");

		} else if (!strcmp("remove", cmd) && p1) {

			if (get_oid(p1, &oid)) {
				printf("Unknown oid: %s\n", p1);
				continue;
			}

			/* remove entry from oidmap */
			entry = oidmap_remove(&map, &oid);

			/* print result and free entry*/
			puts(entry ? entry->name : "NULL");
			free(entry);

		} else if (!strcmp("iterate", cmd)) {

			struct oidmap_iter iter;
			oidmap_iter_init(&map, &iter);
			while ((entry = oidmap_iter_next(&iter)))
				printf("%s %s\n", oid_to_hex(&entry->entry.oid), entry->name);

		} else {

			printf("Unknown command %s\n", cmd);

		}
	}

	strbuf_release(&line);
	oidmap_free(&map, 1);
	return 0;
}

debug log:

solving 0acf99931e ...
found 0acf99931e in https://80x24.org/mirrors/git.git

(*) Git path names are given by the tree(s) the blob belongs to.
    Blobs themselves have no identifier aside from the hash of its contents.^

Code repositories for project(s) associated with this public inbox

	https://80x24.org/mirrors/git.git

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).