From: Nickolai Belakovski <nbelakov...@gmail.com>
Add an atom proving the path of the linked worktree where this ref is
checked out, if it is checked out in any linked worktrees, and empty
string otherwise.
---
Documentation/git-for-each-ref.txt | 4 +++
ref-filter.c | 70 ++++++++++++++++++++++++++++++++++++++
t/t6302-for-each-ref-filter.sh | 15 ++++++++
3 files changed, 89 insertions(+)
diff --git a/Documentation/git-for-each-ref.txt
b/Documentation/git-for-each-ref.txt
index 901faef1bf..9590f7beab 100644
--- a/Documentation/git-for-each-ref.txt
+++ b/Documentation/git-for-each-ref.txt
@@ -209,6 +209,10 @@ symref::
`:lstrip` and `:rstrip` options in the same way as `refname`
above.
+worktreepath::
+ The absolute path to the worktree in which the ref is checked
+ out, if it is checked out in any linked worktree. ' ' otherwise.
+
In addition to the above, for commit and tag objects, the header
field names (`tree`, `parent`, `object`, `type`, and `tag`) can
be used to specify the value in the header field.
diff --git a/ref-filter.c b/ref-filter.c
index 5de616befe..e8713484a1 100644
--- a/ref-filter.c
+++ b/ref-filter.c
@@ -20,6 +20,8 @@
#include "commit-slab.h"
#include "commit-graph.h"
#include "commit-reach.h"
+#include "worktree.h"
+#include "hashmap.h"
static struct ref_msg {
const char *gone;
@@ -34,6 +36,8 @@ static struct ref_msg {
"ahead %d, behind %d"
};
+static struct worktree ** worktrees;
+
void setup_ref_filter_porcelain_msg(void)
{
msgs.gone = _("gone");
@@ -75,6 +79,12 @@ static struct expand_data {
struct object_info info;
} oi, oi_deref;
+struct reftoworktreeinfo_entry {
+ struct hashmap_entry ent; // must be the first member!
+ char * ref; // key into map
+ struct worktree * wt;
+};
+
/*
* An atom is a valid field atom listed below, possibly prefixed with
* a "*" to denote deref_tag().
@@ -114,6 +124,7 @@ static struct used_atom {
} objectname;
struct refname_atom refname;
char *head;
+ struct hashmap reftoworktreeinfo_map;
} u;
} *used_atom;
static int used_atom_cnt, need_tagged, need_symref;
@@ -420,6 +431,31 @@ static int head_atom_parser(const struct ref_format
*format, struct used_atom *a
return 0;
}
+static int worktree_atom_parser(const struct ref_format *format,
+ struct used_atom *atom,
+ const char *arg,
+ struct strbuf *unused_err)
+{
+ int i;
+ worktrees = get_worktrees(0);
+
+ hashmap_init(&(atom->u.reftoworktreeinfo_map), NULL, NULL, 0);
+
+ for (i = 0; worktrees[i]; i++) {
+ if (worktrees[i]->head_ref) {
+ struct reftoworktreeinfo_entry *entry;
+ FLEXPTR_ALLOC_STR(entry, ref, worktrees[i]->head_ref);
+ hashmap_entry_init(entry, strhash(entry->ref));
+
+ entry->wt = worktrees[i];
+
+ hashmap_add(&(atom->u.reftoworktreeinfo_map), entry);
+ }
+ }
+
+ return 0;
+}
+
static struct {
const char *name;
info_source source;
@@ -461,6 +497,7 @@ static struct {
{ "flag", SOURCE_NONE },
{ "HEAD", SOURCE_NONE, FIELD_STR, head_atom_parser },
{ "color", SOURCE_NONE, FIELD_STR, color_atom_parser },
+ { "worktreepath", SOURCE_NONE, FIELD_STR, worktree_atom_parser },
{ "align", SOURCE_NONE, FIELD_STR, align_atom_parser },
{ "end", SOURCE_NONE },
{ "if", SOURCE_NONE, FIELD_STR, if_atom_parser },
@@ -1500,6 +1537,28 @@ static int get_object(struct ref_array_item *ref, int
deref, struct object **obj
return 0;
}
+static const char * get_worktree_info(const struct used_atom *atom, const
struct ref_array_item *ref)
+{
+ struct strbuf val = STRBUF_INIT;
+ struct reftoworktreeinfo_entry * entry;
+ struct reftoworktreeinfo_entry * lookup_result;
+
+ FLEXPTR_ALLOC_STR(entry, ref, ref->refname);
+ hashmap_entry_init(entry, strhash(entry->ref));
+ lookup_result = hashmap_get(&(atom->u.reftoworktreeinfo_map), entry,
NULL);
+ free(entry);
+
+ if (lookup_result)
+ {
+ if (!strncmp(atom->name, "worktreepath", strlen(atom->name)))
+ strbuf_addstr(&val, lookup_result->wt->path);
+ }
+ else
+ strbuf_addstr(&val, " ");
+
+ return strbuf_detach(&val, NULL);
+}
+
/*
* Parse the object referred by ref, and grab needed value.
*/
@@ -1537,6 +1596,10 @@ static int populate_value(struct ref_array_item *ref,
struct strbuf *err)
if (starts_with(name, "refname"))
refname = get_refname(atom, ref);
+ else if (starts_with(name, "worktreepath")) {
+ v->s = get_worktree_info(atom, ref);
+ continue;
+ }
else if (starts_with(name, "symref"))
refname = get_symref(atom, ref);
else if (starts_with(name, "upstream")) {
@@ -2013,7 +2076,14 @@ void ref_array_clear(struct ref_array *array)
int i;
for (i = 0; i < used_atom_cnt; i++)
+ {
+ if (!strncmp(used_atom[i].name, "worktreepath",
strlen("worktreepath")))
+ {
+ hashmap_free(&(used_atom[i].u.reftoworktreeinfo_map),
1);
+ free_worktrees(worktrees);
+ }
free((char *)used_atom[i].name);
+ }
FREE_AND_NULL(used_atom);
used_atom_cnt = 0;
for (i = 0; i < array->nr; i++)
diff --git a/t/t6302-for-each-ref-filter.sh b/t/t6302-for-each-ref-filter.sh
index fc067ed672..add70a4c3e 100755
--- a/t/t6302-for-each-ref-filter.sh
+++ b/t/t6302-for-each-ref-filter.sh
@@ -441,4 +441,19 @@ test_expect_success '--merged is incompatible with
--no-merged' '
test_must_fail git for-each-ref --merged HEAD --no-merged HEAD
'
+test_expect_success '"add" a worktree' '
+ mkdir worktree_dir &&
+ git worktree add -b master_worktree worktree_dir master
+'
+
+test_expect_success 'validate worktree atom' '
+ cat >expect <<-\EOF &&
+ master: checked out in a worktree
+ master_worktree: checked out in a worktree
+ side: not checked out in a worktree
+ EOF
+ git for-each-ref --format="%(refname:short):
%(if)%(worktreepath)%(then)checked out in a worktree%(else)not checked out in a
worktree%(end)" refs/heads/ >actual &&
+ test_cmp expect actual
+'
+
test_done
--
2.14.2
