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/*

* libgit2 "add" example - shows how to modify the index

*

* Written by the libgit2 contributors

*

* To the extent possible under law, the author(s) have dedicated all copyright

* and related and neighboring rights to this software to the public domain

* worldwide. This software is distributed without any warranty.

*

* You should have received a copy of the CC0 Public Domain Dedication along

* with this software. If not, see

* <http://creativecommons.org/publicdomain/zero/1.0/>.

*/

#include "common.h"

#include <assert.h>

enum print_options {

SKIP = 1,

VERBOSE = 2,

UPDATE = 4,

};

struct print_payload {

enum print_options options;

git_repository *repo;

};

/* Forward declarations for helpers */

static void parse_opts(int *options, int *count, int argc, char *argv[]);

void init_array(git_strarray *array, int argc, char **argv);

int print_matched_cb(const char *path, const char *matched_pathspec, void *payload);

int main (int argc, char** argv)

{

git_index_matched_path_cb matched_cb = NULL;

git_repository *repo = NULL;

git_index *index;

git_strarray array = {0};

int options = 0, count = 0;

struct print_payload payload = {0};

git_libgit2_init();

parse_opts(&options, &count, argc, argv);

init_array(&array, argc-count, argv+count);

check_lg2(git_repository_open(&repo, "."), "No git repository", NULL);

check_lg2(git_repository_index(&index, repo), "Could not open repository index", NULL);

if (options&VERBOSE || options&SKIP) {

matched_cb = &print_matched_cb;

}

payload.options = options;

payload.repo = repo;

if (options&UPDATE) {

git_index_update_all(index, &array, matched_cb, &payload);

} else {

git_index_add_all(index, &array, 0, matched_cb, &payload);

}

git_index_write(index);

git_index_free(index);

git_repository_free(repo);

git_libgit2_shutdown();

return 0;

}

int print_matched_cb(const char *path, const char *matched_pathspec, void *payload)

{

struct print_payload p = *(struct print_payload*)(payload);

int ret;

unsigned status;

(void)matched_pathspec;

if (git_status_file(&status, p.repo, path)) {

return -1;

}

if (status & GIT_STATUS_WT_MODIFIED || status & GIT_STATUS_WT_NEW) {

printf("add '%s'\n", path);

ret = 0;

} else {

ret = 1;

}

if(p.options & SKIP) {

ret = 1;

}

return ret;

}

void init_array(git_strarray *array, int argc, char **argv)

{

unsigned int i;

array->count = argc;

array->strings = malloc(sizeof(char*) * array->count);

assert(array->strings!=NULL);

for(i=0; i<array->count; i++) {

array->strings[i]=argv[i];

}

return;

}

void print_usage(void)

{

fprintf(stderr, "usage: add [options] [--] file-spec [file-spec] [...]\n\n");

fprintf(stderr, "\t-n, --dry-run dry run\n");

fprintf(stderr, "\t-v, --verbose be verbose\n");

fprintf(stderr, "\t-u, --update update tracked files\n");

exit(1);

}

static void parse_opts(int *options, int *count, int argc, char *argv[])

{

int i;

for (i = 1; i < argc; ++i) {

if (argv[i][0] != '-') {

break;

}

else if(!strcmp(argv[i], "--verbose") || !strcmp(argv[i], "-v")) {

*options |= VERBOSE;

}

else if(!strcmp(argv[i], "--dry-run") || !strcmp(argv[i], "-n")) {

*options |= SKIP;

}

else if(!strcmp(argv[i], "--update") || !strcmp(argv[i], "-u")) {

*options |= UPDATE;

}

else if(!strcmp(argv[i], "-h")) {

print_usage();

break;

}

else if(!strcmp(argv[i], "--")) {

i++;

break;

}

else {

fprintf(stderr, "Unsupported option %s.\n", argv[i]);

print_usage();

}

}

if (argc<=i)

print_usage();

*count = i;

}