read-cache.c: move index_has_changes() from merge.c

Since index_has_change() is an index-related function, move it to
read-cache.c, only modifying it to avoid uses of the active_cache and
active_nr macros.

Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Elijah Newren 2018-06-30 18:24:55 -07:00 committed by Junio C Hamano
parent fc54c1af3e
commit cffbfad50d
2 changed files with 33 additions and 31 deletions

31
merge.c
View File

@ -17,37 +17,6 @@ static const char *merge_argument(struct commit *commit)
return EMPTY_TREE_SHA1_HEX;
}
int index_has_changes(struct strbuf *sb)
{
struct object_id head;
int i;
if (!get_oid_tree("HEAD", &head)) {
struct diff_options opt;
diff_setup(&opt);
opt.flags.exit_with_status = 1;
if (!sb)
opt.flags.quick = 1;
do_diff_cache(&head, &opt);
diffcore_std(&opt);
for (i = 0; sb && i < diff_queued_diff.nr; i++) {
if (i)
strbuf_addch(sb, ' ');
strbuf_addstr(sb, diff_queued_diff.queue[i]->two->path);
}
diff_flush(&opt);
return opt.flags.has_changes != 0;
} else {
for (i = 0; sb && i < active_nr; i++) {
if (i)
strbuf_addch(sb, ' ');
strbuf_addstr(sb, active_cache[i]->name);
}
return !!active_nr;
}
}
int try_merge_command(const char *strategy, size_t xopts_nr,
const char **xopts, struct commit_list *common,
const char *head_arg, struct commit_list *remotes)

View File

@ -6,6 +6,8 @@
#define NO_THE_INDEX_COMPATIBILITY_MACROS
#include "cache.h"
#include "config.h"
#include "diff.h"
#include "diffcore.h"
#include "tempfile.h"
#include "lockfile.h"
#include "cache-tree.h"
@ -1984,6 +1986,37 @@ int unmerged_index(const struct index_state *istate)
return 0;
}
int index_has_changes(struct strbuf *sb)
{
struct object_id head;
int i;
if (!get_oid_tree("HEAD", &head)) {
struct diff_options opt;
diff_setup(&opt);
opt.flags.exit_with_status = 1;
if (!sb)
opt.flags.quick = 1;
do_diff_cache(&head, &opt);
diffcore_std(&opt);
for (i = 0; sb && i < diff_queued_diff.nr; i++) {
if (i)
strbuf_addch(sb, ' ');
strbuf_addstr(sb, diff_queued_diff.queue[i]->two->path);
}
diff_flush(&opt);
return opt.flags.has_changes != 0;
} else {
for (i = 0; sb && i < the_index.cache_nr; i++) {
if (i)
strbuf_addch(sb, ' ');
strbuf_addstr(sb, the_index.cache[i]->name);
}
return !!the_index.cache_nr;
}
}
#define WRITE_BUFFER_SIZE 8192
static unsigned char write_buffer[WRITE_BUFFER_SIZE];
static unsigned long write_buffer_len;