43 lines
989 B
43 lines
989 B
#include "cache.h" |
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#include "remote.h" |
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#include "checkout.h" |
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struct tracking_name_data { |
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/* const */ char *src_ref; |
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char *dst_ref; |
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struct object_id *dst_oid; |
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int unique; |
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}; |
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static int check_tracking_name(struct remote *remote, void *cb_data) |
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{ |
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struct tracking_name_data *cb = cb_data; |
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struct refspec query; |
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memset(&query, 0, sizeof(struct refspec)); |
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query.src = cb->src_ref; |
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if (remote_find_tracking(remote, &query) || |
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get_oid(query.dst, cb->dst_oid)) { |
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free(query.dst); |
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return 0; |
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} |
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if (cb->dst_ref) { |
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free(query.dst); |
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cb->unique = 0; |
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return 0; |
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} |
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cb->dst_ref = query.dst; |
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return 0; |
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} |
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const char *unique_tracking_name(const char *name, struct object_id *oid) |
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{ |
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struct tracking_name_data cb_data = { NULL, NULL, NULL, 1 }; |
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cb_data.src_ref = xstrfmt("refs/heads/%s", name); |
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cb_data.dst_oid = oid; |
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for_each_remote(check_tracking_name, &cb_data); |
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free(cb_data.src_ref); |
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if (cb_data.unique) |
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return cb_data.dst_ref; |
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free(cb_data.dst_ref); |
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return NULL; |
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}
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