#include "xdiff-interface.h"
#include "blob.h"
-static void rm_temp_file(const char *filename)
-{
- unlink(filename);
- free((void *)filename);
-}
-
-static const char *write_temp_file(mmfile_t *f)
-{
- int fd;
- const char *tmp = getenv("TMPDIR");
- char *filename;
-
- if (!tmp)
- tmp = "/tmp";
- filename = mkpath("%s/%s", tmp, "git-tmp-XXXXXX");
- fd = mkstemp(filename);
- if (fd < 0)
- return NULL;
- filename = strdup(filename);
- if (f->size != xwrite(fd, f->ptr, f->size)) {
- rm_temp_file(filename);
- return NULL;
- }
- close(fd);
- return filename;
-}
-
-static void *read_temp_file(const char *filename, unsigned long *size)
-{
- struct stat st;
- char *buf = NULL;
- int fd = open(filename, O_RDONLY);
- if (fd < 0)
- return NULL;
- if (!fstat(fd, &st)) {
- *size = st.st_size;
- buf = xmalloc(st.st_size);
- if (st.st_size != xread(fd, buf, st.st_size)) {
- free(buf);
- buf = NULL;
- }
- }
- close(fd);
- return buf;
-}
-
static int fill_mmfile_blob(mmfile_t *f, struct blob *obj)
{
void *buf;
unsigned long size;
- char type[20];
+ enum object_type type;
- buf = read_sha1_file(obj->object.sha1, type, &size);
+ buf = read_sha1_file(obj->object.sha1, &type, &size);
if (!buf)
return -1;
- if (strcmp(type, blob_type))
+ if (type != OBJ_BLOB)
return -1;
f->ptr = buf;
f->size = size;
static void *three_way_filemerge(mmfile_t *base, mmfile_t *our, mmfile_t *their, unsigned long *size)
{
- void *res;
- const char *t1, *t2, *t3;
-
- t1 = write_temp_file(base);
- t2 = write_temp_file(our);
- t3 = write_temp_file(their);
- res = NULL;
- if (t1 && t2 && t3) {
- int code = run_command("merge", t2, t1, t3, NULL);
- if (!code || code == -1)
- res = read_temp_file(t2, size);
- }
- rm_temp_file(t1);
- rm_temp_file(t2);
- rm_temp_file(t3);
- return res;
+ mmbuffer_t res;
+ xpparam_t xpp;
+ int merge_status;
+
+ memset(&xpp, 0, sizeof(xpp));
+ merge_status = xdl_merge(base, our, ".our", their, ".their",
+ &xpp, XDL_MERGE_ZEALOUS, &res);
+
+ if (merge_status < 0)
+ return NULL;
+
+ *size = res.size;
+ return res.ptr;
}
static int common_outf(void *priv_, mmbuffer_t *mb, int nbuf)
xdemitcb_t ecb;
xpp.flags = XDF_NEED_MINIMAL;
+ memset(&xecfg, 0, sizeof(xecfg));
xecfg.ctxlen = 3;
xecfg.flags = XDL_EMIT_COMMON;
ecb.outf = common_outf;
res->size = 0;
ecb.priv = res;
- return xdl_diff(f1, f2, &xpp, &xecfg, &ecb);
+ return xdi_diff(f1, f2, &xpp, &xecfg, &ecb);
}
void *merge_file(struct blob *base, struct blob *our, struct blob *their, unsigned long *size)
* modified in the other branch!
*/
if (!our || !their) {
- char type[20];
+ enum object_type type;
if (base)
return NULL;
if (!our)
our = their;
- return read_sha1_file(our->object.sha1, type, size);
+ return read_sha1_file(our->object.sha1, &type, size);
}
if (fill_mmfile_blob(&f1, our) < 0)