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parse-opt: migrate builtin-merge-file.

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Signed-off-by: Pierre Habouzit <madcoder@debian.org>
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
This commit is contained in:
Pierre Habouzit 2008-10-02 14:59:20 +02:00 committed by Shawn O. Pearce
parent e5d1a4df56
commit d249610792
1 changed files with 37 additions and 31 deletions
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66
builtin-merge-file.c
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@ -2,21 +2,44 @@
#include "cache.h"
#include "xdiff/xdiff.h"
#include "xdiff-interface.h"
#include "parse-options.h"
static const char merge_file_usage[] =
"git merge-file [-p | --stdout] [--diff3] [-q | --quiet] [-L name1 [-L orig [-L name2]]] file1 orig_file file2";
static const char *const merge_file_usage[] = {
"git merge-file [options] [-L name1 [-L orig [-L name2]]] file1 orig_file file2",
NULL
};
static int label_cb(const struct option *opt, const char *arg, int unset)
{
static int label_count = 0;
const char **names = (const char **)opt->value;
if (label_count >= 3)
return error("too many labels on the command line");
names[label_count++] = arg;
return 0;
}
int cmd_merge_file(int argc, const char **argv, const char *prefix)
{
const char *names[3];
const char *names[3] = { NULL, NULL, NULL };
mmfile_t mmfs[3];
mmbuffer_t result = {NULL, 0};
xpparam_t xpp = {XDF_NEED_MINIMAL};
int ret = 0, i = 0, to_stdout = 0;
int merge_level = XDL_MERGE_ZEALOUS_ALNUM;
int merge_style = 0;
int merge_style = 0, quiet = 0;
int nongit;
struct option options[] = {
OPT_BOOLEAN('p', "stdout", &to_stdout, "send results to standard output"),
OPT_SET_INT(0, "diff3", &merge_style, "use a diff3 based merge", XDL_MERGE_DIFF3),
OPT__QUIET(&quiet),
OPT_CALLBACK('L', NULL, names, "name",
"set labels for file1/orig_file/file2", &label_cb),
OPT_END(),
};
prefix = setup_git_directory_gently(&nongit);
if (!nongit) {
/* Read the configuration file */
@ -25,37 +48,20 @@ int cmd_merge_file(int argc, const char **argv, const char *prefix)
merge_style = git_xmerge_style;
}
while (argc > 4) {
if (!strcmp(argv[1], "-L") && i < 3) {
names[i++] = argv[2];
argc--;
argv++;
} else if (!strcmp(argv[1], "-p") ||
!strcmp(argv[1], "--stdout"))
to_stdout = 1;
else if (!strcmp(argv[1], "-q") ||
!strcmp(argv[1], "--quiet"))
argc = parse_options(argc, argv, options, merge_file_usage, 0);
if (argc != 3)
usage_with_options(merge_file_usage, options);
if (quiet)
freopen("/dev/null", "w", stderr);
else if (!strcmp(argv[1], "--diff3"))
merge_style = XDL_MERGE_DIFF3;
else
usage(merge_file_usage);
argc--;
argv++;
}
if (argc != 4)
usage(merge_file_usage);
for (; i < 3; i++)
names[i] = argv[i + 1];
for (i = 0; i < 3; i++) {
if (read_mmfile(mmfs + i, argv[i + 1]))
if (!names[i])
names[i] = argv[i];
if (read_mmfile(mmfs + i, argv[i]))
return -1;
if (buffer_is_binary(mmfs[i].ptr, mmfs[i].size))
return error("Cannot merge binary files: %s\n",
argv[i + 1]);
argv[i]);
}
ret = xdl_merge(mmfs + 1, mmfs + 0, names[0], mmfs + 2, names[2],
@ -65,7 +71,7 @@ int cmd_merge_file(int argc, const char **argv, const char *prefix)
free(mmfs[i].ptr);
if (ret >= 0) {
const char *filename = argv[1];
const char *filename = argv[0];
FILE *f = to_stdout ? stdout : fopen(filename, "wb");
if (!f)