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refs.c: move dwim_ref()/dwim_log() from sha1_name.c
Both dwim_ref()/dwim_log() functions are intimately related to the ref parsing rules defined in refs.c and better fits there. Move them together with substitute_branch_name(), a file scope static helper function. Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Junio C Hamano
parent
dce4bab656
commit
ff74f7f118
85
refs.c
85
refs.c
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@ -1067,6 +1067,91 @@ static int is_refname_available(const char *ref, const char *oldref,
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return 1;
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}
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/*
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* *string and *len will only be substituted, and *string returned (for
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* later free()ing) if the string passed in is a magic short-hand form
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* to name a branch.
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*/
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static char *substitute_branch_name(const char **string, int *len)
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{
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struct strbuf buf = STRBUF_INIT;
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int ret = interpret_branch_name(*string, &buf);
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if (ret == *len) {
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size_t size;
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*string = strbuf_detach(&buf, &size);
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*len = size;
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return (char *)*string;
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}
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return NULL;
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}
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int dwim_ref(const char *str, int len, unsigned char *sha1, char **ref)
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{
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char *last_branch = substitute_branch_name(&str, &len);
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const char **p, *r;
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int refs_found = 0;
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*ref = NULL;
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for (p = ref_rev_parse_rules; *p; p++) {
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char fullref[PATH_MAX];
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unsigned char sha1_from_ref[20];
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unsigned char *this_result;
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int flag;
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this_result = refs_found ? sha1_from_ref : sha1;
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mksnpath(fullref, sizeof(fullref), *p, len, str);
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r = resolve_ref(fullref, this_result, 1, &flag);
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if (r) {
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if (!refs_found++)
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*ref = xstrdup(r);
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if (!warn_ambiguous_refs)
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break;
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} else if ((flag & REF_ISSYMREF) && strcmp(fullref, "HEAD"))
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warning("ignoring dangling symref %s.", fullref);
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}
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free(last_branch);
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return refs_found;
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}
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int dwim_log(const char *str, int len, unsigned char *sha1, char **log)
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{
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char *last_branch = substitute_branch_name(&str, &len);
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const char **p;
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int logs_found = 0;
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*log = NULL;
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for (p = ref_rev_parse_rules; *p; p++) {
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struct stat st;
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unsigned char hash[20];
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char path[PATH_MAX];
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const char *ref, *it;
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mksnpath(path, sizeof(path), *p, len, str);
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ref = resolve_ref(path, hash, 1, NULL);
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if (!ref)
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continue;
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if (!stat(git_path("logs/%s", path), &st) &&
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S_ISREG(st.st_mode))
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it = path;
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else if (strcmp(ref, path) &&
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!stat(git_path("logs/%s", ref), &st) &&
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S_ISREG(st.st_mode))
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it = ref;
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else
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continue;
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if (!logs_found++) {
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*log = xstrdup(it);
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hashcpy(sha1, hash);
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}
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if (!warn_ambiguous_refs)
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break;
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}
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free(last_branch);
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return logs_found;
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}
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static struct ref_lock *lock_ref_sha1_basic(const char *ref, const unsigned char *old_sha1, int flags, int *type_p)
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{
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char *ref_file;
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85
sha1_name.c
85
sha1_name.c
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@ -241,91 +241,6 @@ static int ambiguous_path(const char *path, int len)
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return slash;
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}
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/*
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* *string and *len will only be substituted, and *string returned (for
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* later free()ing) if the string passed in is a magic short-hand form
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* to name a branch.
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*/
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static char *substitute_branch_name(const char **string, int *len)
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{
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struct strbuf buf = STRBUF_INIT;
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int ret = interpret_branch_name(*string, &buf);
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if (ret == *len) {
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size_t size;
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*string = strbuf_detach(&buf, &size);
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*len = size;
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return (char *)*string;
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}
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return NULL;
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}
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int dwim_ref(const char *str, int len, unsigned char *sha1, char **ref)
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{
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char *last_branch = substitute_branch_name(&str, &len);
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const char **p, *r;
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int refs_found = 0;
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*ref = NULL;
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for (p = ref_rev_parse_rules; *p; p++) {
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char fullref[PATH_MAX];
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unsigned char sha1_from_ref[20];
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unsigned char *this_result;
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int flag;
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this_result = refs_found ? sha1_from_ref : sha1;
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mksnpath(fullref, sizeof(fullref), *p, len, str);
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r = resolve_ref(fullref, this_result, 1, &flag);
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if (r) {
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if (!refs_found++)
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*ref = xstrdup(r);
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if (!warn_ambiguous_refs)
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break;
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} else if ((flag & REF_ISSYMREF) && strcmp(fullref, "HEAD"))
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warning("ignoring dangling symref %s.", fullref);
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}
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free(last_branch);
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return refs_found;
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}
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int dwim_log(const char *str, int len, unsigned char *sha1, char **log)
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{
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char *last_branch = substitute_branch_name(&str, &len);
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const char **p;
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int logs_found = 0;
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*log = NULL;
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for (p = ref_rev_parse_rules; *p; p++) {
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struct stat st;
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unsigned char hash[20];
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char path[PATH_MAX];
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const char *ref, *it;
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mksnpath(path, sizeof(path), *p, len, str);
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ref = resolve_ref(path, hash, 1, NULL);
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if (!ref)
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continue;
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if (!stat(git_path("logs/%s", path), &st) &&
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S_ISREG(st.st_mode))
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it = path;
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else if (strcmp(ref, path) &&
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!stat(git_path("logs/%s", ref), &st) &&
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S_ISREG(st.st_mode))
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it = ref;
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else
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continue;
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if (!logs_found++) {
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*log = xstrdup(it);
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hashcpy(sha1, hash);
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}
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if (!warn_ambiguous_refs)
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break;
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}
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free(last_branch);
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return logs_found;
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}
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static inline int upstream_mark(const char *string, int len)
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{
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const char *suffix[] = { "@{upstream}", "@{u}" };
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