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ref-filter: move get_head_description() from branch.c

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Move the implementation of get_head_description() from branch.c to
ref-filter.  This gives a description of the HEAD ref if called. This
is used as the refname for the HEAD ref whenever the
FILTER_REFS_DETACHED_HEAD option is used. Make it public because we
need it to calculate the length of the HEAD refs description in
branch.c:calc_maxwidth() when we port branch.c to use ref-filter
APIs.

Mentored-by: Christian Couder <christian.couder@gmail.com>
Mentored-by: Matthieu Moy <matthieu.moy@grenoble-inp.fr>
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
2017-01-10 14:19:38 +05:30
committed by Junio C Hamano
parent 42d0eb05ee
commit d4919bb288
3 changed files with 38 additions and 35 deletions
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38
ref-filter.c
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@ -14,6 +14,7 @@
#include "git-compat-util.h"
#include "version.h"
#include "trailer.h"
#include "wt-status.h"
typedef enum { FIELD_STR, FIELD_ULONG, FIELD_TIME } cmp_type;
typedef enum { COMPARE_EQUAL, COMPARE_UNEQUAL, COMPARE_NONE } cmp_status;
@ -1101,6 +1102,37 @@ static void fill_remote_ref_details(struct used_atom *atom, const char *refname,
*s = refname;
}
char *get_head_description(void)
{
struct strbuf desc = STRBUF_INIT;
struct wt_status_state state;
memset(&state, 0, sizeof(state));
wt_status_get_state(&state, 1);
if (state.rebase_in_progress ||
state.rebase_interactive_in_progress)
strbuf_addf(&desc, _("(no branch, rebasing %s)"),
state.branch);
else if (state.bisect_in_progress)
strbuf_addf(&desc, _("(no branch, bisect started on %s)"),
state.branch);
else if (state.detached_from) {
/* TRANSLATORS: make sure these match _("HEAD detached at ")
and _("HEAD detached from ") in wt-status.c */
if (state.detached_at)
strbuf_addf(&desc, _("(HEAD detached at %s)"),
state.detached_from);
else
strbuf_addf(&desc, _("(HEAD detached from %s)"),
state.detached_from);
}
else
strbuf_addstr(&desc, _("(no branch)"));
free(state.branch);
free(state.onto);
free(state.detached_from);
return strbuf_detach(&desc, NULL);
}
/*
* Parse the object referred by ref, and grab needed value.
*/
@ -1140,9 +1172,11 @@ static void populate_value(struct ref_array_item *ref)
name++;
}
if (starts_with(name, "refname"))
if (starts_with(name, "refname")) {
refname = ref->refname;
else if (starts_with(name, "symref"))
if (ref->kind & FILTER_REFS_DETACHED_HEAD)
refname = get_head_description();
} else if (starts_with(name, "symref"))
refname = ref->symref ? ref->symref : "";
else if (starts_with(name, "upstream")) {
const char *branch_name;