You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
135 lines
2.6 KiB
135 lines
2.6 KiB
#include <sys/types.h> |
|
#include <sys/wait.h> |
|
|
|
#include "cache.h" |
|
|
|
static const char *pgm = NULL; |
|
static const char *arguments[8]; |
|
static int one_shot, quiet; |
|
static int err; |
|
|
|
static void run_program(void) |
|
{ |
|
int pid = fork(), status; |
|
|
|
if (pid < 0) |
|
die("unable to fork"); |
|
if (!pid) { |
|
execlp(pgm, arguments[0], |
|
arguments[1], |
|
arguments[2], |
|
arguments[3], |
|
arguments[4], |
|
arguments[5], |
|
arguments[6], |
|
arguments[7], |
|
NULL); |
|
die("unable to execute '%s'", pgm); |
|
} |
|
if (waitpid(pid, &status, 0) < 0 || !WIFEXITED(status) || WEXITSTATUS(status)) { |
|
if (one_shot) { |
|
err++; |
|
} else { |
|
if (quiet) |
|
die("merge program failed"); |
|
exit(1); |
|
} |
|
} |
|
} |
|
|
|
static int merge_entry(int pos, const char *path) |
|
{ |
|
int found; |
|
|
|
if (pos >= active_nr) |
|
die("git-merge-cache: %s not in the cache", path); |
|
arguments[0] = pgm; |
|
arguments[1] = ""; |
|
arguments[2] = ""; |
|
arguments[3] = ""; |
|
arguments[4] = path; |
|
arguments[5] = ""; |
|
arguments[6] = ""; |
|
arguments[7] = ""; |
|
found = 0; |
|
do { |
|
static char hexbuf[4][60]; |
|
static char ownbuf[4][60]; |
|
struct cache_entry *ce = active_cache[pos]; |
|
int stage = ce_stage(ce); |
|
|
|
if (strcmp(ce->name, path)) |
|
break; |
|
found++; |
|
strcpy(hexbuf[stage], sha1_to_hex(ce->sha1)); |
|
sprintf(ownbuf[stage], "%o", ntohl(ce->ce_mode) & (~S_IFMT)); |
|
arguments[stage] = hexbuf[stage]; |
|
arguments[stage + 4] = ownbuf[stage]; |
|
} while (++pos < active_nr); |
|
if (!found) |
|
die("git-merge-cache: %s not in the cache", path); |
|
run_program(); |
|
return found; |
|
} |
|
|
|
static void merge_file(const char *path) |
|
{ |
|
int pos = cache_name_pos(path, strlen(path)); |
|
|
|
/* |
|
* If it already exists in the cache as stage0, it's |
|
* already merged and there is nothing to do. |
|
*/ |
|
if (pos < 0) |
|
merge_entry(-pos-1, path); |
|
} |
|
|
|
static void merge_all(void) |
|
{ |
|
int i; |
|
for (i = 0; i < active_nr; i++) { |
|
struct cache_entry *ce = active_cache[i]; |
|
if (!ce_stage(ce)) |
|
continue; |
|
i += merge_entry(i, ce->name)-1; |
|
} |
|
} |
|
|
|
int main(int argc, char **argv) |
|
{ |
|
int i, force_file = 0; |
|
|
|
if (argc < 3) |
|
usage("git-merge-cache [-o] [-q] <merge-program> (-a | <filename>*)"); |
|
|
|
read_cache(); |
|
|
|
i = 1; |
|
if (!strcmp(argv[i], "-o")) { |
|
one_shot = 1; |
|
i++; |
|
} |
|
if (!strcmp(argv[i], "-q")) { |
|
quiet = 1; |
|
i++; |
|
} |
|
pgm = argv[i++]; |
|
for (; i < argc; i++) { |
|
char *arg = argv[i]; |
|
if (!force_file && *arg == '-') { |
|
if (!strcmp(arg, "--")) { |
|
force_file = 1; |
|
continue; |
|
} |
|
if (!strcmp(arg, "-a")) { |
|
merge_all(); |
|
continue; |
|
} |
|
die("git-merge-cache: unknown option %s", arg); |
|
} |
|
merge_file(arg); |
|
} |
|
if (err && quiet) |
|
die("merge program failed"); |
|
return err; |
|
}
|
|
|