#include <sys/time.h>
#include <signal.h>
+static int reset = 0;
static int merge = 0;
static int update = 0;
static int index_only = 0;
pathlen = strlen(first);
ce_size = cache_entry_size(baselen + pathlen);
- src = xmalloc(sizeof(struct cache_entry *) * src_size);
- memset(src, 0, sizeof(struct cache_entry *) * src_size);
+ src = xcalloc(src_size, sizeof(struct cache_entry *));
- subposns = xmalloc(sizeof(struct tree_list_entry *) * len);
- memset(subposns, 0, sizeof(struct tree_list_entry *) * len);
+ subposns = xcalloc(len, sizeof(struct tree_list_entry *));
if (cache_name && !strcmp(cache_name, first)) {
any_files = 1;
else
ce_stage = 2;
- ce = xmalloc(ce_size);
- memset(ce, 0, ce_size);
+ ce = xcalloc(1, ce_size);
ce->ce_mode = create_ce_mode(posns[i]->mode);
ce->ce_flags = create_ce_flags(baselen + pathlen,
ce_stage);
static void progress_interval(int signum)
{
- signal(SIGALRM, progress_interval);
progress_update = 1;
}
+static void setup_progress_signal(void)
+{
+ struct sigaction sa;
+ struct itimerval v;
+
+ memset(&sa, 0, sizeof(sa));
+ sa.sa_handler = progress_interval;
+ sigemptyset(&sa.sa_mask);
+ sa.sa_flags = SA_RESTART;
+ sigaction(SIGALRM, &sa, NULL);
+
+ v.it_interval.tv_sec = 1;
+ v.it_interval.tv_usec = 0;
+ v.it_value = v.it_interval;
+ setitimer(ITIMER_REAL, &v, NULL);
+}
+
static void check_updates(struct cache_entry **src, int nr)
{
static struct checkout state = {
unsigned last_percent = 200, cnt = 0, total = 0;
if (update && verbose_update) {
- struct itimerval v;
-
for (total = cnt = 0; cnt < nr; cnt++) {
struct cache_entry *ce = src[cnt];
if (!ce->ce_mode || ce->ce_flags & mask)
total = 0;
if (total) {
- v.it_interval.tv_sec = 1;
- v.it_interval.tv_usec = 0;
- v.it_value = v.it_interval;
- signal(SIGALRM, progress_interval);
- setitimer(ITIMER_REAL, &v, NULL);
fprintf(stderr, "Checking files out...\n");
+ setup_progress_signal();
progress_update = 1;
}
cnt = 0;
}
}
if (total) {
- fputc('\n', stderr);
signal(SIGALRM, SIG_IGN);
+ fputc('\n', stderr);
}
}
{
struct stat st;
- if (index_only)
+ if (index_only || reset)
return;
if (!lstat(ce->name, &st)) {
return;
errno = 0;
}
+ if (reset) {
+ ce->ce_flags |= htons(CE_UPDATE);
+ return;
+ }
if (errno == ENOENT)
return;
die("Entry '%s' not uptodate. Cannot merge.", ce->name);
}
+/*
+ * We do not want to remove or overwrite a working tree file that
+ * is not tracked.
+ */
+static void verify_absent(const char *path, const char *action)
+{
+ struct stat st;
+
+ if (index_only || reset || !update)
+ return;
+ if (!lstat(path, &st))
+ die("Untracked working tree file '%s' "
+ "would be %s by merge.", path, action);
+}
+
static int merged_entry(struct cache_entry *merge, struct cache_entry *old)
{
merge->ce_flags |= htons(CE_UPDATE);
verify_uptodate(old);
}
}
+ else
+ verify_absent(merge->name, "overwritten");
+
merge->ce_flags &= ~htons(CE_STAGEMASK);
add_cache_entry(merge, ADD_CACHE_OK_TO_ADD);
return 1;
{
if (old)
verify_uptodate(old);
+ else
+ verify_absent(ce->name, "removed");
ce->ce_mode = 0;
add_cache_entry(ce, ADD_CACHE_OK_TO_ADD);
return 1;
int count;
int head_match = 0;
int remote_match = 0;
+ const char *path = NULL;
int df_conflict_head = 0;
int df_conflict_remote = 0;
for (i = 1; i < head_idx; i++) {
if (!stages[i])
any_anc_missing = 1;
- else
+ else {
+ if (!path)
+ path = stages[i]->name;
no_anc_exists = 0;
+ }
}
index = stages[0];
remote = NULL;
}
+ if (!path && index)
+ path = index->name;
+ if (!path && head)
+ path = head->name;
+ if (!path && remote)
+ path = remote->name;
+
/* First, if there's a #16 situation, note that to prevent #13
- * and #14.
+ * and #14.
*/
if (!same(remote, head)) {
for (i = 1; i < head_idx; i++) {
(remote_deleted && head && head_match)) {
if (index)
return deleted_entry(index, index);
+ else if (path)
+ verify_absent(path, "removed");
return 0;
}
/*
if (index) {
verify_uptodate(index);
}
+ else if (path)
+ verify_absent(path, "overwritten");
nontrivial_merge = 1;
merge_size);
if (!a)
- return 0;
+ return deleted_entry(old, old);
if (old && same(old, a)) {
+ if (reset) {
+ struct stat st;
+ if (lstat(old->name, &st) ||
+ ce_match_stat(old, &st, 1))
+ old->ce_flags |= htons(CE_UPDATE);
+ }
return keep_entry(old);
}
- return merged_entry(a, NULL);
+ return merged_entry(a, old);
}
static int read_cache_unmerged(void)
int main(int argc, char **argv)
{
- int i, newfd, reset, stage = 0;
+ int i, newfd, stage = 0;
unsigned char sha1[20];
merge_fn_t fn = NULL;
if (1 < index_only + update)
usage(read_tree_usage);
- if (get_sha1(arg, sha1) < 0)
- usage(read_tree_usage);
+ if (get_sha1(arg, sha1))
+ die("Not a valid object name %s", arg);
if (list_tree(sha1) < 0)
die("failed to unpack tree object %s", arg);
stage++;