#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"
}
}
-static int ce_compare_data(const struct cache_entry *ce, struct stat *st)
+static int ce_compare_data(struct index_state *istate,
+ const struct cache_entry *ce,
+ struct stat *st)
{
int match = -1;
int fd = git_open_cloexec(ce->name, O_RDONLY);
if (fd >= 0) {
struct object_id oid;
- if (!index_fd(&oid, fd, st, OBJ_BLOB, ce->name, 0))
+ if (!index_fd(istate, &oid, fd, st, OBJ_BLOB, ce->name, 0))
match = oidcmp(&oid, &ce->oid);
/* index_fd() closed the file descriptor already */
}
return oidcmp(&oid, &ce->oid);
}
-static int ce_modified_check_fs(const struct cache_entry *ce, struct stat *st)
+static int ce_modified_check_fs(struct index_state *istate,
+ const struct cache_entry *ce,
+ struct stat *st)
{
switch (st->st_mode & S_IFMT) {
case S_IFREG:
- if (ce_compare_data(ce, st))
+ if (ce_compare_data(istate, ce, st))
return DATA_CHANGED;
break;
case S_IFLNK:
if (assume_racy_is_modified)
changed |= DATA_CHANGED;
else
- changed |= ce_modified_check_fs(ce, st);
+ changed |= ce_modified_check_fs(istate, ce, st);
}
return changed;
(S_ISGITLINK(ce->ce_mode) || ce->ce_stat_data.sd_size != 0))
return changed;
- changed_fs = ce_modified_check_fs(ce, st);
+ changed_fs = ce_modified_check_fs(istate, ce, st);
if (changed_fs)
return changed | changed_fs;
return 0;
}
}
if (!intent_only) {
- if (index_path(&ce->oid, path, st, newflags)) {
+ if (index_path(istate, &ce->oid, path, st, newflags)) {
discard_cache_entry(ce);
return error("unable to index file %s", path);
}
ce->ce_namelen = len;
ce->ce_mode = create_ce_mode(mode);
- ret = refresh_cache_entry(&the_index, ce, refresh_options);
+ ret = refresh_cache_entry(istate, ce, refresh_options);
if (ret != ce)
discard_cache_entry(ce);
return ret;
if (ignore_submodules && S_ISGITLINK(ce->ce_mode))
continue;
- if (pathspec && !ce_path_match(ce, pathspec, seen))
+ if (pathspec && !ce_path_match(istate, ce, pathspec, seen))
filtered = 1;
if (ce_stage(ce)) {
return 0;
}
+int index_has_changes(struct index_state *istate,
+ struct tree *tree,
+ struct strbuf *sb)
+{
+ struct object_id cmp;
+ int i;
+
+ if (istate != &the_index) {
+ BUG("index_has_changes cannot yet accept istate != &the_index; do_diff_cache needs updating first.");
+ }
+ if (tree)
+ cmp = tree->object.oid;
+ if (tree || !get_oid_tree("HEAD", &cmp)) {
+ struct diff_options opt;
+
+ repo_diff_setup(the_repository, &opt);
+ opt.flags.exit_with_status = 1;
+ if (!sb)
+ opt.flags.quick = 1;
+ do_diff_cache(&cmp, &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 < istate->cache_nr; i++) {
+ if (i)
+ strbuf_addch(sb, ' ');
+ strbuf_addstr(sb, istate->cache[i]->name);
+ }
+ return !!istate->cache_nr;
+ }
+}
+
#define WRITE_BUFFER_SIZE 8192
static unsigned char write_buffer[WRITE_BUFFER_SIZE];
static unsigned long write_buffer_len;
return (write_in_full(fd, write_buffer, left) < 0) ? -1 : 0;
}
-static void ce_smudge_racily_clean_entry(struct cache_entry *ce)
+static void ce_smudge_racily_clean_entry(struct index_state *istate,
+ struct cache_entry *ce)
{
/*
* The only thing we care about in this function is to smudge the
return;
if (ce_match_stat_basic(ce, &st))
return;
- if (ce_modified_check_fs(ce, &st)) {
+ if (ce_modified_check_fs(istate, ce, &st)) {
/* This is "racily clean"; smudge it. Note that this
* is a tricky code. At first glance, it may appear
* that it can break with this sequence:
if (ce->ce_flags & CE_REMOVE)
continue;
if (!ce_uptodate(ce) && is_racy_timestamp(istate, ce))
- ce_smudge_racily_clean_entry(ce);
+ ce_smudge_racily_clean_entry(istate, ce);
if (is_null_oid(&ce->oid)) {
static const char msg[] = "cache entry has null sha1: %s";
static int allow = -1;
/*
* Read the index file that is potentially unmerged into given
- * index_state, dropping any unmerged entries. Returns true if
- * the index is unmerged. Callers who want to refuse to work
- * from an unmerged state can call this and check its return value,
- * instead of calling read_cache().
+ * index_state, dropping any unmerged entries to stage #0 (potentially
+ * resulting in a path appearing as both a file and a directory in the
+ * index; the caller is responsible to clear out the extra entries
+ * before writing the index to a tree). Returns true if the index is
+ * unmerged. Callers who want to refuse to work from an unmerged
+ * state can call this and check its return value, instead of calling
+ * read_cache().
*/
int read_index_unmerged(struct index_state *istate)
{
new_ce->ce_flags = create_ce_flags(0) | CE_CONFLICTED;
new_ce->ce_namelen = len;
new_ce->ce_mode = ce->ce_mode;
- if (add_index_entry(istate, new_ce, 0))
+ if (add_index_entry(istate, new_ce, ADD_CACHE_SKIP_DFCHECK))
return error("%s: cannot drop to stage #0",
new_ce->name);
}