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merge-recur: use the unpack_trees() interface instead of exec()ing read-tree

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Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Johannes Schindelin 2006-07-30 20:27:10 +02:00 committed by Junio C Hamano
parent c1a788acee
commit 7a85b848ad
1 changed files with 52 additions and 28 deletions
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80
merge-recursive.c
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@ -19,7 +19,7 @@
#include "diffcore.h"
#include "run-command.h"
#include "tag.h"
#include "unpack-trees.h"
#include "path-list.h"
/*
@ -124,7 +124,7 @@ static int flush_cache(void)
struct lock_file *lock = xcalloc(1, sizeof(struct lock_file));
int fd = hold_lock_file_for_update(lock, getenv("GIT_INDEX_FILE"));
if (fd < 0)
die("could not lock %s", temporary_index_file);
die("could not lock %s", lock->filename);
if (write_cache(fd, active_cache, active_nr) ||
close(fd) || commit_lock_file(lock))
die ("unable to write %s", getenv("GIT_INDEX_FILE"));
@ -191,41 +191,59 @@ static int add_cacheinfo(unsigned int mode, const unsigned char *sha1,
*/
static int index_only = 0;
/*
* TODO: this can be streamlined by refactoring builtin-read-tree.c
*/
static int git_read_tree(const struct tree *tree)
static int git_read_tree(struct tree *tree)
{
int rc;
const char *argv[] = { "git-read-tree", NULL, NULL, };
struct object_list *trees = NULL;
struct unpack_trees_options opts;
if (cache_dirty)
die("read-tree with dirty cache");
argv[1] = sha1_to_hex(tree->object.sha1);
rc = run_command_v(2, argv);
return rc < 0 ? -1: rc;
memset(&opts, 0, sizeof(opts));
object_list_append(&tree->object, &trees);
rc = unpack_trees(trees, &opts);
cache_tree_free(&active_cache_tree);
if (rc == 0)
cache_dirty = 1;
return rc;
}
/*
* TODO: this can be streamlined by refactoring builtin-read-tree.c
*/
static int git_merge_trees(const char *update_arg,
static int git_merge_trees(int index_only,
struct tree *common,
struct tree *head,
struct tree *merge)
{
int rc;
const char *argv[] = {
"git-read-tree", NULL, "-m", NULL, NULL, NULL,
NULL,
};
if (cache_dirty)
flush_cache();
argv[1] = update_arg;
argv[3] = sha1_to_hex(common->object.sha1);
argv[4] = sha1_to_hex(head->object.sha1);
argv[5] = sha1_to_hex(merge->object.sha1);
rc = run_command_v(6, argv);
return rc < 0 ? -1: rc;
struct object_list *trees = NULL;
struct unpack_trees_options opts;
if (!cache_dirty) {
read_cache_from(getenv("GIT_INDEX_FILE"));
cache_dirty = 1;
}
memset(&opts, 0, sizeof(opts));
if (index_only)
opts.index_only = 1;
else
opts.update = 1;
opts.merge = 1;
opts.head_idx = 2;
opts.fn = threeway_merge;
object_list_append(&common->object, &trees);
object_list_append(&head->object, &trees);
object_list_append(&merge->object, &trees);
rc = unpack_trees(trees, &opts);
cache_tree_free(&active_cache_tree);
cache_dirty = 1;
return rc;
}
/*
@ -239,8 +257,14 @@ static struct tree *git_write_tree(void)
unsigned char sha1[20];
int ch;
unsigned i = 0;
if (cache_dirty)
if (cache_dirty) {
for (i = 0; i < active_nr; i++) {
struct cache_entry *ce = active_cache[i];
if (ce_stage(ce))
return NULL;
}
flush_cache();
}
fp = popen("git-write-tree 2>/dev/null", "r");
while ((ch = fgetc(fp)) != EOF)
if (i < sizeof(buf)-1 && ch >= '0' && ch <= 'f')
@ -1121,7 +1145,7 @@ static int merge_trees(struct tree *head,
return 1;
}
code = git_merge_trees(index_only ? "-i": "-u", common, head, merge);
code = git_merge_trees(index_only, common, head, merge);
if (code != 0)
die("merging of trees %s and %s failed",