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Get rid of the dependency on RCS' merge program

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Now that we have git-merge-file, an RCS merge lookalike, we no longer
need it. So long, merge, and thanks for all the fish!

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
2006-12-13 00:01:41 +01:00
committed by Junio C Hamano
parent fbe0b24ca5
commit e2b7008752
8 changed files with 19 additions and 88 deletions
Download Patch File Download Diff File Expand all files Collapse all files

73
merge-file.c
View File

@ -3,52 +3,6 @@
#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 = xstrdup(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;
@ -72,22 +26,19 @@ static void free_mmfile(mmfile_t *f)
static void *three_way_filemerge(mmfile_t *base, mmfile_t *our, mmfile_t *their, unsigned long *size)
{
void *res;
const char *t1, *t2, *t3;
mmbuffer_t res;
xpparam_t xpp;
int merge_status;
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;
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)