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Diffstat (limited to 'builtin')
-rw-r--r--builtin/fast-export.c50
1 files changed, 49 insertions, 1 deletions
diff --git a/builtin/fast-export.c b/builtin/fast-export.c
index 1cbca5b4b4..b0b09bca30 100644
--- a/builtin/fast-export.c
+++ b/builtin/fast-export.c
@@ -45,6 +45,7 @@ static struct string_list extra_refs = STRING_LIST_INIT_NODUP;
static struct string_list tag_refs = STRING_LIST_INIT_NODUP;
static struct refspec refspecs = REFSPEC_INIT_FETCH;
static int anonymize;
+static struct hashmap anonymized_seeds;
static struct revision_sources revision_sources;
static int parse_opt_signed_tag_mode(const struct option *opt,
@@ -168,8 +169,18 @@ static const char *anonymize_str(struct hashmap *map,
hashmap_entry_init(&key.hash, memhash(orig, len));
key.orig = orig;
key.orig_len = len;
- ret = hashmap_get_entry(map, &key, hash, &key);
+ /* First check if it's a token the user configured manually... */
+ if (anonymized_seeds.cmpfn)
+ ret = hashmap_get_entry(&anonymized_seeds, &key, hash, &key);
+ else
+ ret = NULL;
+
+ /* ...otherwise check if we've already seen it in this context... */
+ if (!ret)
+ ret = hashmap_get_entry(map, &key, hash, &key);
+
+ /* ...and finally generate a new mapping if necessary */
if (!ret) {
FLEX_ALLOC_MEM(ret, orig, orig, len);
hashmap_entry_init(&ret->hash, key.hash.hash);
@@ -1147,6 +1158,37 @@ static void handle_deletes(void)
}
}
+static char *anonymize_seed(void *data)
+{
+ return xstrdup(data);
+}
+
+static int parse_opt_anonymize_map(const struct option *opt,
+ const char *arg, int unset)
+{
+ struct hashmap *map = opt->value;
+ const char *delim, *value;
+ size_t keylen;
+
+ BUG_ON_OPT_NEG(unset);
+
+ delim = strchr(arg, ':');
+ if (delim) {
+ keylen = delim - arg;
+ value = delim + 1;
+ } else {
+ keylen = strlen(arg);
+ value = arg;
+ }
+
+ if (!keylen || !*value)
+ return error(_("--anonymize-map token cannot be empty"));
+
+ anonymize_str(map, anonymize_seed, arg, keylen, (void *)value);
+
+ return 0;
+}
+
int cmd_fast_export(int argc, const char **argv, const char *prefix)
{
struct rev_info revs;
@@ -1188,6 +1230,9 @@ int cmd_fast_export(int argc, const char **argv, const char *prefix)
OPT_STRING_LIST(0, "refspec", &refspecs_list, N_("refspec"),
N_("Apply refspec to exported refs")),
OPT_BOOL(0, "anonymize", &anonymize, N_("anonymize output")),
+ OPT_CALLBACK_F(0, "anonymize-map", &anonymized_seeds, N_("from:to"),
+ N_("convert <from> to <to> in anonymized output"),
+ PARSE_OPT_NONEG, parse_opt_anonymize_map),
OPT_BOOL(0, "reference-excluded-parents",
&reference_excluded_commits, N_("Reference parents which are not in fast-export stream by object id")),
OPT_BOOL(0, "show-original-ids", &show_original_ids,
@@ -1215,6 +1260,9 @@ int cmd_fast_export(int argc, const char **argv, const char *prefix)
if (argc > 1)
usage_with_options (fast_export_usage, options);
+ if (anonymized_seeds.cmpfn && !anonymize)
+ die(_("--anonymize-map without --anonymize does not make sense"));
+
if (refspecs_list.nr) {
int i;