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branch: use ref-filter printing APIs
Port branch.c to use ref-filter APIs for printing. This clears out most of the code used in branch.c for printing and replaces them with calls made to the ref-filter library. Introduce build_format() which gets the format required for printing of refs. Make amendments to print_ref_list() to reflect these changes. The strings included in build_format() may not be safely quoted for inclusion (i.e. it might contain '%' which needs to be escaped with an additional '%'). Introduce quote_literal_for_format() as a helper function which takes a string and returns a version of the string that is safely quoted to be used in the for-each-ref format which is built in build_format(). Change calc_maxwidth() to also account for the length of HEAD ref, by calling ref-filter:get_head_discription(). Also change the test in t6040 to reflect the changes. Before this patch, all cross-prefix symrefs weren't shortened. Since we're using ref-filter APIs, we shorten all symrefs by default. We also allow the user to change the format if needed with the introduction of the '--format' option in the next patch. Mentored-by: Christian Couder <christian.couder@gmail.com> Mentored-by: Matthieu Moy <matthieu.moy@grenoble-inp.fr> Helped-by: Junio C Hamano <gitster@pobox.com> Helped-by: Jeff King <peff@peff.net> Helped-by: Ramsay Jones <ramsay@ramsayjones.plus.com> Signed-off-by: Karthik Nayak <karthik.188@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Karthik Nayak
Junio C Hamano
parent
56b43607f9
commit
949af0684c
253
builtin/branch.c
253
builtin/branch.c
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@ -37,11 +37,11 @@ static unsigned char head_sha1[20];
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static int branch_use_color = -1;
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static char branch_colors[][COLOR_MAXLEN] = {
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GIT_COLOR_RESET,
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GIT_COLOR_NORMAL, /* PLAIN */
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GIT_COLOR_RED, /* REMOTE */
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GIT_COLOR_NORMAL, /* LOCAL */
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GIT_COLOR_GREEN, /* CURRENT */
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GIT_COLOR_BLUE, /* UPSTREAM */
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GIT_COLOR_NORMAL, /* PLAIN */
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GIT_COLOR_RED, /* REMOTE */
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GIT_COLOR_NORMAL, /* LOCAL */
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GIT_COLOR_GREEN, /* CURRENT */
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GIT_COLOR_BLUE, /* UPSTREAM */
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};
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enum color_branch {
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BRANCH_COLOR_RESET = 0,
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@ -280,162 +280,6 @@ static int delete_branches(int argc, const char **argv, int force, int kinds,
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return(ret);
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}
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static void fill_tracking_info(struct strbuf *stat, const char *branch_name,
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int show_upstream_ref)
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{
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int ours, theirs;
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char *ref = NULL;
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struct branch *branch = branch_get(branch_name);
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const char *upstream;
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struct strbuf fancy = STRBUF_INIT;
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int upstream_is_gone = 0;
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int added_decoration = 1;
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if (stat_tracking_info(branch, &ours, &theirs, &upstream) < 0) {
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if (!upstream)
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return;
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upstream_is_gone = 1;
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}
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if (show_upstream_ref) {
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ref = shorten_unambiguous_ref(upstream, 0);
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if (want_color(branch_use_color))
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strbuf_addf(&fancy, "%s%s%s",
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branch_get_color(BRANCH_COLOR_UPSTREAM),
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ref, branch_get_color(BRANCH_COLOR_RESET));
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else
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strbuf_addstr(&fancy, ref);
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}
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if (upstream_is_gone) {
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if (show_upstream_ref)
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strbuf_addf(stat, _("[%s: gone]"), fancy.buf);
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else
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added_decoration = 0;
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} else if (!ours && !theirs) {
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if (show_upstream_ref)
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strbuf_addf(stat, _("[%s]"), fancy.buf);
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else
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added_decoration = 0;
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} else if (!ours) {
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if (show_upstream_ref)
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strbuf_addf(stat, _("[%s: behind %d]"), fancy.buf, theirs);
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else
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strbuf_addf(stat, _("[behind %d]"), theirs);
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} else if (!theirs) {
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if (show_upstream_ref)
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strbuf_addf(stat, _("[%s: ahead %d]"), fancy.buf, ours);
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else
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strbuf_addf(stat, _("[ahead %d]"), ours);
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} else {
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if (show_upstream_ref)
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strbuf_addf(stat, _("[%s: ahead %d, behind %d]"),
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fancy.buf, ours, theirs);
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else
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strbuf_addf(stat, _("[ahead %d, behind %d]"),
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ours, theirs);
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}
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strbuf_release(&fancy);
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if (added_decoration)
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strbuf_addch(stat, ' ');
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free(ref);
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}
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static void add_verbose_info(struct strbuf *out, struct ref_array_item *item,
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struct ref_filter *filter, const char *refname)
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{
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struct strbuf subject = STRBUF_INIT, stat = STRBUF_INIT;
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const char *sub = _(" **** invalid ref ****");
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struct commit *commit = item->commit;
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if (!parse_commit(commit)) {
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pp_commit_easy(CMIT_FMT_ONELINE, commit, &subject);
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sub = subject.buf;
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}
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if (item->kind == FILTER_REFS_BRANCHES)
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fill_tracking_info(&stat, refname, filter->verbose > 1);
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strbuf_addf(out, " %s %s%s",
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find_unique_abbrev(item->commit->object.oid.hash, filter->abbrev),
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stat.buf, sub);
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strbuf_release(&stat);
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strbuf_release(&subject);
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}
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static void format_and_print_ref_item(struct ref_array_item *item, int maxwidth,
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struct ref_filter *filter, const char *remote_prefix)
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{
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char c;
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int current = 0;
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int color;
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struct strbuf out = STRBUF_INIT, name = STRBUF_INIT;
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const char *prefix_to_show = "";
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const char *prefix_to_skip = NULL;
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const char *desc = item->refname;
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char *to_free = NULL;
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switch (item->kind) {
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case FILTER_REFS_BRANCHES:
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prefix_to_skip = "refs/heads/";
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skip_prefix(desc, prefix_to_skip, &desc);
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if (!filter->detached && !strcmp(desc, head))
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current = 1;
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else
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color = BRANCH_COLOR_LOCAL;
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break;
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case FILTER_REFS_REMOTES:
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prefix_to_skip = "refs/remotes/";
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skip_prefix(desc, prefix_to_skip, &desc);
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color = BRANCH_COLOR_REMOTE;
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prefix_to_show = remote_prefix;
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break;
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case FILTER_REFS_DETACHED_HEAD:
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desc = to_free = get_head_description();
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current = 1;
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break;
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default:
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color = BRANCH_COLOR_PLAIN;
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break;
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}
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c = ' ';
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if (current) {
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c = '*';
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color = BRANCH_COLOR_CURRENT;
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}
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strbuf_addf(&name, "%s%s", prefix_to_show, desc);
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if (filter->verbose) {
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int utf8_compensation = strlen(name.buf) - utf8_strwidth(name.buf);
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strbuf_addf(&out, "%c %s%-*s%s", c, branch_get_color(color),
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maxwidth + utf8_compensation, name.buf,
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branch_get_color(BRANCH_COLOR_RESET));
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} else
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strbuf_addf(&out, "%c %s%s%s", c, branch_get_color(color),
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name.buf, branch_get_color(BRANCH_COLOR_RESET));
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if (item->symref) {
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const char *symref = item->symref;
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if (prefix_to_skip)
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skip_prefix(symref, prefix_to_skip, &symref);
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strbuf_addf(&out, " -> %s", symref);
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}
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else if (filter->verbose)
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/* " f7c0c00 [ahead 58, behind 197] vcs-svn: drop obj_pool.h" */
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add_verbose_info(&out, item, filter, desc);
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if (column_active(colopts)) {
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assert(!filter->verbose && "--column and --verbose are incompatible");
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string_list_append(&output, out.buf);
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} else {
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printf("%s\n", out.buf);
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}
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strbuf_release(&name);
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strbuf_release(&out);
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free(to_free);
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}
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static int calc_maxwidth(struct ref_array *refs, int remote_bonus)
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{
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int i, max = 0;
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@ -446,7 +290,12 @@ static int calc_maxwidth(struct ref_array *refs, int remote_bonus)
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skip_prefix(it->refname, "refs/heads/", &desc);
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skip_prefix(it->refname, "refs/remotes/", &desc);
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w = utf8_strwidth(desc);
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if (it->kind == FILTER_REFS_DETACHED_HEAD) {
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char *head_desc = get_head_description();
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w = utf8_strwidth(head_desc);
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free(head_desc);
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} else
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w = utf8_strwidth(desc);
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if (it->kind == FILTER_REFS_REMOTES)
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w += remote_bonus;
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@ -456,12 +305,73 @@ static int calc_maxwidth(struct ref_array *refs, int remote_bonus)
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return max;
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}
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static const char *quote_literal_for_format(const char *s)
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{
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static struct strbuf buf = STRBUF_INIT;
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strbuf_reset(&buf);
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while (*s) {
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const char *ep = strchrnul(s, '%');
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if (s < ep)
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strbuf_add(&buf, s, ep - s);
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if (*ep == '%') {
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strbuf_addstr(&buf, "%%");
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s = ep + 1;
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} else {
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s = ep;
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}
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}
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return buf.buf;
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}
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static char *build_format(struct ref_filter *filter, int maxwidth, const char *remote_prefix)
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{
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struct strbuf fmt = STRBUF_INIT;
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struct strbuf local = STRBUF_INIT;
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struct strbuf remote = STRBUF_INIT;
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strbuf_addf(&fmt, "%%(if)%%(HEAD)%%(then)* %s%%(else) %%(end)",
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branch_get_color(BRANCH_COLOR_CURRENT));
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if (filter->verbose) {
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strbuf_addf(&local, "%%(align:%d,left)%%(refname:lstrip=2)%%(end)", maxwidth);
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strbuf_addf(&local, "%s", branch_get_color(BRANCH_COLOR_RESET));
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strbuf_addf(&local, " %%(objectname:short=7) ");
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if (filter->verbose > 1)
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strbuf_addf(&local, "%%(if)%%(upstream)%%(then)[%s%%(upstream:short)%s%%(if)%%(upstream:track)"
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"%%(then): %%(upstream:track,nobracket)%%(end)] %%(end)%%(contents:subject)",
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branch_get_color(BRANCH_COLOR_UPSTREAM), branch_get_color(BRANCH_COLOR_RESET));
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else
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strbuf_addf(&local, "%%(if)%%(upstream:track)%%(then)%%(upstream:track) %%(end)%%(contents:subject)");
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strbuf_addf(&remote, "%s%%(align:%d,left)%s%%(refname:lstrip=2)%%(end)%s%%(if)%%(symref)%%(then) -> %%(symref:short)"
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"%%(else) %%(objectname:short=7) %%(contents:subject)%%(end)",
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branch_get_color(BRANCH_COLOR_REMOTE), maxwidth, quote_literal_for_format(remote_prefix),
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branch_get_color(BRANCH_COLOR_RESET));
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} else {
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strbuf_addf(&local, "%%(refname:lstrip=2)%s%%(if)%%(symref)%%(then) -> %%(symref:short)%%(end)",
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branch_get_color(BRANCH_COLOR_RESET));
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strbuf_addf(&remote, "%s%s%%(refname:lstrip=2)%s%%(if)%%(symref)%%(then) -> %%(symref:short)%%(end)",
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branch_get_color(BRANCH_COLOR_REMOTE), quote_literal_for_format(remote_prefix),
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branch_get_color(BRANCH_COLOR_RESET));
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}
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strbuf_addf(&fmt, "%%(if:notequals=refs/remotes)%%(refname:rstrip=-2)%%(then)%s%%(else)%s%%(end)", local.buf, remote.buf);
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strbuf_release(&local);
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strbuf_release(&remote);
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return strbuf_detach(&fmt, NULL);
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}
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static void print_ref_list(struct ref_filter *filter, struct ref_sorting *sorting)
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{
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int i;
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struct ref_array array;
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int maxwidth = 0;
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const char *remote_prefix = "";
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struct strbuf out = STRBUF_INIT;
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char *format;
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/*
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* If we are listing more than just remote branches,
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@ -473,18 +383,31 @@ static void print_ref_list(struct ref_filter *filter, struct ref_sorting *sortin
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memset(&array, 0, sizeof(array));
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verify_ref_format("%(refname)%(symref)");
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filter_refs(&array, filter, filter->kind | FILTER_REFS_INCLUDE_BROKEN);
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if (filter->verbose)
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maxwidth = calc_maxwidth(&array, strlen(remote_prefix));
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format = build_format(filter, maxwidth, remote_prefix);
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verify_ref_format(format);
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ref_array_sort(sorting, &array);
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for (i = 0; i < array.nr; i++)
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format_and_print_ref_item(array.items[i], maxwidth, filter, remote_prefix);
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for (i = 0; i < array.nr; i++) {
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format_ref_array_item(array.items[i], format, 0, &out);
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if (column_active(colopts)) {
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assert(!filter->verbose && "--column and --verbose are incompatible");
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/* format to a string_list to let print_columns() do its job */
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string_list_append(&output, out.buf);
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} else {
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fwrite(out.buf, 1, out.len, stdout);
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putchar('\n');
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}
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strbuf_release(&out);
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}
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ref_array_clear(&array);
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free(format);
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}
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static void reject_rebase_or_bisect_branch(const char *target)
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@ -194,7 +194,7 @@ test_expect_success 'local-branch symrefs shortened properly' '
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git symbolic-ref refs/heads/ref-to-remote refs/remotes/origin/branch-one &&
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cat >expect <<-\EOF &&
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ref-to-branch -> branch-one
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ref-to-remote -> refs/remotes/origin/branch-one
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ref-to-remote -> origin/branch-one
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EOF
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git branch >actual.raw &&
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grep ref-to <actual.raw >actual &&
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@ -44,7 +44,7 @@ b1 [ahead 1, behind 1] d
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b2 [ahead 1, behind 1] d
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b3 [behind 1] b
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b4 [ahead 2] f
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b5 g
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b5 [gone] g
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b6 c
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EOF
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