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https://github.com/git/git
synced 2024-08-25 02:35:46 +00:00
log: add option to choose which refs to decorate
When `log --decorate` is used, git will decorate commits with all available refs. While in most cases this may give the desired effect, under some conditions it can lead to excessively verbose output. Introduce two command line options, `--decorate-refs=<pattern>` and `--decorate-refs-exclude=<pattern>` to allow the user to select which refs are used in decoration. When "--decorate-refs=<pattern>" is given, only the refs that match the pattern are used in decoration. The refs that match the pattern when "--decorate-refs-exclude=<pattern>" is given, are never used in decoration. These options follow the same convention for mixing negative and positive patterns across the system, assuming that the inclusive default is to match all refs available. (1) if there is no positive pattern given, pretend as if an inclusive default positive pattern was given; (2) for each candidate, reject it if it matches no positive pattern, or if it matches any one of the negative patterns. The rules for what is considered a match are slightly different from the rules used elsewhere. Commands like `log --glob` assume a trailing '/*' when glob chars are not present in the pattern. This makes it difficult to specify a single ref. On the other hand, commands like `describe --match --all` allow specifying exact refs, but do not have the convenience of allowing "shorthand refs" like 'refs/heads' or 'heads' to refer to 'refs/heads/*'. The commands introduced in this patch consider a match if: (a) the pattern contains globs chars, and regular pattern matching returns a match. (b) the pattern does not contain glob chars, and ref '<pattern>' exists, or if ref exists under '<pattern>/' This allows both behaviours (allowing single refs and shorthand refs) yet remaining compatible with existent commands. Helped-by: Kevin Daudt <me@ikke.info> Helped-by: Junio C Hamano <gitster@pobox.com> Signed-off-by: Rafael Ascensão <rafa.almas@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
parent
14c63a9dc0
commit
65516f586b
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@ -38,6 +38,13 @@ OPTIONS
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are shown as if 'short' were given, otherwise no ref names are
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shown. The default option is 'short'.
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--decorate-refs=<pattern>::
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--decorate-refs-exclude=<pattern>::
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If no `--decorate-refs` is given, pretend as if all refs were
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included. For each candidate, do not use it for decoration if it
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matches any patterns given to `--decorate-refs-exclude` or if it
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doesn't match any of the patterns given to `--decorate-refs`.
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--source::
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Print out the ref name given on the command line by which each
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commit was reached.
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@ -142,11 +142,19 @@ static void cmd_log_init_finish(int argc, const char **argv, const char *prefix,
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struct userformat_want w;
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int quiet = 0, source = 0, mailmap = 0;
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static struct line_opt_callback_data line_cb = {NULL, NULL, STRING_LIST_INIT_DUP};
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static struct string_list decorate_refs_exclude = STRING_LIST_INIT_NODUP;
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static struct string_list decorate_refs_include = STRING_LIST_INIT_NODUP;
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struct decoration_filter decoration_filter = {&decorate_refs_include,
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&decorate_refs_exclude};
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const struct option builtin_log_options[] = {
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OPT__QUIET(&quiet, N_("suppress diff output")),
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OPT_BOOL(0, "source", &source, N_("show source")),
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OPT_BOOL(0, "use-mailmap", &mailmap, N_("Use mail map file")),
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OPT_STRING_LIST(0, "decorate-refs", &decorate_refs_include,
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N_("pattern"), N_("only decorate refs that match <pattern>")),
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OPT_STRING_LIST(0, "decorate-refs-exclude", &decorate_refs_exclude,
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N_("pattern"), N_("do not decorate refs that match <pattern>")),
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{ OPTION_CALLBACK, 0, "decorate", NULL, NULL, N_("decorate options"),
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PARSE_OPT_OPTARG, decorate_callback},
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OPT_CALLBACK('L', NULL, &line_cb, "n,m:file",
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@ -205,7 +213,7 @@ static void cmd_log_init_finish(int argc, const char **argv, const char *prefix,
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if (decoration_style) {
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rev->show_decorations = 1;
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load_ref_decorations(decoration_style);
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load_ref_decorations(&decoration_filter, decoration_style);
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}
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if (rev->line_level_traverse)
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24
log-tree.c
24
log-tree.c
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@ -94,8 +94,12 @@ static int add_ref_decoration(const char *refname, const struct object_id *oid,
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{
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struct object *obj;
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enum decoration_type type = DECORATION_NONE;
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struct decoration_filter *filter = (struct decoration_filter *)cb_data;
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assert(cb_data == NULL);
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if (filter && !ref_filter_match(refname,
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filter->include_ref_pattern,
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filter->exclude_ref_pattern))
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return 0;
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if (starts_with(refname, git_replace_ref_base)) {
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struct object_id original_oid;
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@ -148,15 +152,23 @@ static int add_graft_decoration(const struct commit_graft *graft, void *cb_data)
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return 0;
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}
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void load_ref_decorations(int flags)
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void load_ref_decorations(struct decoration_filter *filter, int flags)
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{
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if (!decoration_loaded) {
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if (filter) {
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struct string_list_item *item;
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for_each_string_list_item(item, filter->exclude_ref_pattern) {
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normalize_glob_ref(item, NULL, item->string);
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}
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for_each_string_list_item(item, filter->include_ref_pattern) {
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normalize_glob_ref(item, NULL, item->string);
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}
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}
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decoration_loaded = 1;
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decoration_flags = flags;
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for_each_ref(add_ref_decoration, NULL);
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head_ref(add_ref_decoration, NULL);
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for_each_commit_graft(add_graft_decoration, NULL);
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for_each_ref(add_ref_decoration, filter);
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head_ref(add_ref_decoration, filter);
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for_each_commit_graft(add_graft_decoration, filter);
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}
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}
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@ -7,6 +7,10 @@ struct log_info {
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struct commit *commit, *parent;
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};
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struct decoration_filter {
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struct string_list *include_ref_pattern, *exclude_ref_pattern;
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};
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int parse_decorate_color_config(const char *var, const char *slot_name, const char *value);
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void init_log_tree_opt(struct rev_info *);
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int log_tree_diff_flush(struct rev_info *);
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@ -24,7 +28,7 @@ void show_decorations(struct rev_info *opt, struct commit *commit);
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void log_write_email_headers(struct rev_info *opt, struct commit *commit,
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const char **extra_headers_p,
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int *need_8bit_cte_p);
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void load_ref_decorations(int flags);
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void load_ref_decorations(struct decoration_filter *filter, int flags);
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#define FORMAT_PATCH_NAME_MAX 64
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void fmt_output_commit(struct strbuf *, struct commit *, struct rev_info *);
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4
pretty.c
4
pretty.c
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@ -1186,11 +1186,11 @@ static size_t format_commit_one(struct strbuf *sb, /* in UTF-8 */
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strbuf_addstr(sb, get_revision_mark(NULL, commit));
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return 1;
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case 'd':
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load_ref_decorations(DECORATE_SHORT_REFS);
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load_ref_decorations(NULL, DECORATE_SHORT_REFS);
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format_decorations(sb, commit, c->auto_color);
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return 1;
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case 'D':
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load_ref_decorations(DECORATE_SHORT_REFS);
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load_ref_decorations(NULL, DECORATE_SHORT_REFS);
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format_decorations_extended(sb, commit, c->auto_color, "", ", ", "");
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return 1;
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case 'g': /* reflog info */
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65
refs.c
65
refs.c
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@ -242,6 +242,50 @@ int ref_exists(const char *refname)
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return !!resolve_ref_unsafe(refname, RESOLVE_REF_READING, NULL, NULL);
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}
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static int match_ref_pattern(const char *refname,
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const struct string_list_item *item)
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{
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int matched = 0;
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if (item->util == NULL) {
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if (!wildmatch(item->string, refname, 0))
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matched = 1;
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} else {
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const char *rest;
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if (skip_prefix(refname, item->string, &rest) &&
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(!*rest || *rest == '/'))
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matched = 1;
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}
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return matched;
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}
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int ref_filter_match(const char *refname,
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const struct string_list *include_patterns,
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const struct string_list *exclude_patterns)
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{
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struct string_list_item *item;
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if (exclude_patterns && exclude_patterns->nr) {
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for_each_string_list_item(item, exclude_patterns) {
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if (match_ref_pattern(refname, item))
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return 0;
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}
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}
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if (include_patterns && include_patterns->nr) {
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int found = 0;
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for_each_string_list_item(item, include_patterns) {
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if (match_ref_pattern(refname, item)) {
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found = 1;
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break;
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}
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}
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if (!found)
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return 0;
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}
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return 1;
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}
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static int filter_refs(const char *refname, const struct object_id *oid,
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int flags, void *data)
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{
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@ -369,6 +413,27 @@ int head_ref_namespaced(each_ref_fn fn, void *cb_data)
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return ret;
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}
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void normalize_glob_ref(struct string_list_item *item, const char *prefix,
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const char *pattern)
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{
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struct strbuf normalized_pattern = STRBUF_INIT;
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if (*pattern == '/')
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BUG("pattern must not start with '/'");
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if (prefix) {
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strbuf_addstr(&normalized_pattern, prefix);
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}
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else if (!starts_with(pattern, "refs/"))
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strbuf_addstr(&normalized_pattern, "refs/");
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strbuf_addstr(&normalized_pattern, pattern);
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strbuf_strip_suffix(&normalized_pattern, "/");
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item->string = strbuf_detach(&normalized_pattern, NULL);
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item->util = has_glob_specials(pattern) ? NULL : item->string;
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strbuf_release(&normalized_pattern);
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}
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int for_each_glob_ref_in(each_ref_fn fn, const char *pattern,
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const char *prefix, void *cb_data)
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{
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24
refs.h
24
refs.h
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@ -312,6 +312,30 @@ int for_each_namespaced_ref(each_ref_fn fn, void *cb_data);
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int refs_for_each_rawref(struct ref_store *refs, each_ref_fn fn, void *cb_data);
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int for_each_rawref(each_ref_fn fn, void *cb_data);
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/*
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* Normalizes partial refs to their fully qualified form.
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* Will prepend <prefix> to the <pattern> if it doesn't start with 'refs/'.
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* <prefix> will default to 'refs/' if NULL.
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*
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* item.string will be set to the result.
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* item.util will be set to NULL if <pattern> contains glob characters, or
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* non-NULL if it doesn't.
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*/
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void normalize_glob_ref(struct string_list_item *item, const char *prefix,
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const char *pattern);
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/*
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* Returns 0 if refname matches any of the exclude_patterns, or if it doesn't
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* match any of the include_patterns. Returns 1 otherwise.
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*
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* If pattern list is NULL or empty, matching against that list is skipped.
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* This has the effect of matching everything by default, unless the user
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* specifies rules otherwise.
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*/
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int ref_filter_match(const char *refname,
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const struct string_list *include_patterns,
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const struct string_list *exclude_patterns);
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static inline const char *has_glob_specials(const char *pattern)
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{
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return strpbrk(pattern, "?*[");
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@ -1832,7 +1832,7 @@ static int handle_revision_opt(struct rev_info *revs, int argc, const char **arg
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revs->simplify_by_decoration = 1;
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revs->limited = 1;
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revs->prune = 1;
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load_ref_decorations(DECORATE_SHORT_REFS);
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load_ref_decorations(NULL, DECORATE_SHORT_REFS);
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} else if (!strcmp(arg, "--date-order")) {
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revs->sort_order = REV_SORT_BY_COMMIT_DATE;
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revs->topo_order = 1;
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101
t/t4202-log.sh
101
t/t4202-log.sh
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@ -737,6 +737,107 @@ test_expect_success 'log.decorate configuration' '
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'
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test_expect_success 'decorate-refs with glob' '
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cat >expect.decorate <<-\EOF &&
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Merge-tag-reach
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Merge-tags-octopus-a-and-octopus-b
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seventh
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octopus-b (octopus-b)
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octopus-a (octopus-a)
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reach
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EOF
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git log -n6 --decorate=short --pretty="tformat:%f%d" \
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--decorate-refs="heads/octopus*" >actual &&
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test_cmp expect.decorate actual
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'
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test_expect_success 'decorate-refs without globs' '
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cat >expect.decorate <<-\EOF &&
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Merge-tag-reach
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Merge-tags-octopus-a-and-octopus-b
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seventh
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octopus-b
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octopus-a
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reach (tag: reach)
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EOF
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git log -n6 --decorate=short --pretty="tformat:%f%d" \
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--decorate-refs="tags/reach" >actual &&
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test_cmp expect.decorate actual
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'
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test_expect_success 'multiple decorate-refs' '
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cat >expect.decorate <<-\EOF &&
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Merge-tag-reach
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Merge-tags-octopus-a-and-octopus-b
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seventh
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octopus-b (octopus-b)
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octopus-a (octopus-a)
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reach (tag: reach)
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EOF
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git log -n6 --decorate=short --pretty="tformat:%f%d" \
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--decorate-refs="heads/octopus*" \
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--decorate-refs="tags/reach" >actual &&
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test_cmp expect.decorate actual
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'
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test_expect_success 'decorate-refs-exclude with glob' '
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cat >expect.decorate <<-\EOF &&
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Merge-tag-reach (HEAD -> master)
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Merge-tags-octopus-a-and-octopus-b
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seventh (tag: seventh)
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octopus-b (tag: octopus-b)
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octopus-a (tag: octopus-a)
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reach (tag: reach, reach)
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EOF
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git log -n6 --decorate=short --pretty="tformat:%f%d" \
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--decorate-refs-exclude="heads/octopus*" >actual &&
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test_cmp expect.decorate actual
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'
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test_expect_success 'decorate-refs-exclude without globs' '
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cat >expect.decorate <<-\EOF &&
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Merge-tag-reach (HEAD -> master)
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Merge-tags-octopus-a-and-octopus-b
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seventh (tag: seventh)
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octopus-b (tag: octopus-b, octopus-b)
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octopus-a (tag: octopus-a, octopus-a)
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reach (reach)
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EOF
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git log -n6 --decorate=short --pretty="tformat:%f%d" \
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--decorate-refs-exclude="tags/reach" >actual &&
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test_cmp expect.decorate actual
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'
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test_expect_success 'multiple decorate-refs-exclude' '
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cat >expect.decorate <<-\EOF &&
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Merge-tag-reach (HEAD -> master)
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Merge-tags-octopus-a-and-octopus-b
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seventh (tag: seventh)
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octopus-b (tag: octopus-b)
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octopus-a (tag: octopus-a)
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reach (reach)
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EOF
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git log -n6 --decorate=short --pretty="tformat:%f%d" \
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--decorate-refs-exclude="heads/octopus*" \
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--decorate-refs-exclude="tags/reach" >actual &&
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test_cmp expect.decorate actual
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'
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test_expect_success 'decorate-refs and decorate-refs-exclude' '
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cat >expect.decorate <<-\EOF &&
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Merge-tag-reach (master)
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Merge-tags-octopus-a-and-octopus-b
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seventh
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octopus-b
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octopus-a
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reach (reach)
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EOF
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git log -n6 --decorate=short --pretty="tformat:%f%d" \
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--decorate-refs="heads/*" \
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--decorate-refs-exclude="heads/oc*" >actual &&
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test_cmp expect.decorate actual
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'
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test_expect_success 'log.decorate config parsing' '
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git log --oneline --decorate=full >expect.full &&
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git log --oneline --decorate=short >expect.short &&
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