From c8bae7493d2f2910b57f13ded012e86bdcfb0532 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 16:47:53 +0200 Subject: Adding upstream version 1:2.39.2. Signed-off-by: Daniel Baumann --- checkout.c | 70 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 70 insertions(+) create mode 100644 checkout.c (limited to 'checkout.c') diff --git a/checkout.c b/checkout.c new file mode 100644 index 0000000..2e39dae --- /dev/null +++ b/checkout.c @@ -0,0 +1,70 @@ +#include "cache.h" +#include "remote.h" +#include "refspec.h" +#include "checkout.h" +#include "config.h" + +struct tracking_name_data { + /* const */ char *src_ref; + char *dst_ref; + struct object_id *dst_oid; + int num_matches; + const char *default_remote; + char *default_dst_ref; + struct object_id *default_dst_oid; +}; + +#define TRACKING_NAME_DATA_INIT { 0 } + +static int check_tracking_name(struct remote *remote, void *cb_data) +{ + struct tracking_name_data *cb = cb_data; + struct refspec_item query; + memset(&query, 0, sizeof(struct refspec_item)); + query.src = cb->src_ref; + if (remote_find_tracking(remote, &query) || + get_oid(query.dst, cb->dst_oid)) { + free(query.dst); + return 0; + } + cb->num_matches++; + if (cb->default_remote && !strcmp(remote->name, cb->default_remote)) { + struct object_id *dst = xmalloc(sizeof(*cb->default_dst_oid)); + cb->default_dst_ref = xstrdup(query.dst); + oidcpy(dst, cb->dst_oid); + cb->default_dst_oid = dst; + } + if (cb->dst_ref) { + free(query.dst); + return 0; + } + cb->dst_ref = query.dst; + return 0; +} + +const char *unique_tracking_name(const char *name, struct object_id *oid, + int *dwim_remotes_matched) +{ + struct tracking_name_data cb_data = TRACKING_NAME_DATA_INIT; + const char *default_remote = NULL; + if (!git_config_get_string_tmp("checkout.defaultremote", &default_remote)) + cb_data.default_remote = default_remote; + cb_data.src_ref = xstrfmt("refs/heads/%s", name); + cb_data.dst_oid = oid; + for_each_remote(check_tracking_name, &cb_data); + if (dwim_remotes_matched) + *dwim_remotes_matched = cb_data.num_matches; + free(cb_data.src_ref); + if (cb_data.num_matches == 1) { + free(cb_data.default_dst_ref); + free(cb_data.default_dst_oid); + return cb_data.dst_ref; + } + free(cb_data.dst_ref); + if (cb_data.default_dst_ref) { + oidcpy(oid, cb_data.default_dst_oid); + free(cb_data.default_dst_oid); + return cb_data.default_dst_ref; + } + return NULL; +} -- cgit v1.2.3