mirror of
https://git.proxmox.com/git/libgit2
synced 2025-08-03 03:44:21 +00:00
cat-file.c example: deploy helpers, reorg
This commit is contained in:
Ben Straub
parent
dbfd283327
commit
9d83d368fc
@ -1,37 +1,11 @@
|
||||
#include <stdio.h>
|
||||
#include <git2.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
/*
|
||||
* Copyright (C) the libgit2 contributors. All rights reserved.
|
||||
*
|
||||
* This file is part of libgit2, distributed under the GNU GPL v2 with
|
||||
* a Linking Exception. For full terms see the included COPYING file.
|
||||
*/
|
||||
|
||||
static git_repository *g_repo;
|
||||
|
||||
static void check(int error, const char *message)
|
||||
{
|
||||
if (error) {
|
||||
fprintf(stderr, "%s (%d)\n", message, error);
|
||||
exit(1);
|
||||
}
|
||||
}
|
||||
|
||||
static void usage(const char *message, const char *arg)
|
||||
{
|
||||
if (message && arg)
|
||||
fprintf(stderr, "%s: %s\n", message, arg);
|
||||
else if (message)
|
||||
fprintf(stderr, "%s\n", message);
|
||||
fprintf(stderr, "usage: cat-file (-t | -s | -e | -p) [<options>] <object>\n");
|
||||
exit(1);
|
||||
}
|
||||
|
||||
static int check_str_param(
|
||||
const char *arg, const char *pattern, const char **val)
|
||||
{
|
||||
size_t len = strlen(pattern);
|
||||
if (strncmp(arg, pattern, len))
|
||||
return 0;
|
||||
*val = (const char *)(arg + len);
|
||||
return 1;
|
||||
}
|
||||
#include "common.h"
|
||||
|
||||
static void print_signature(const char *header, const git_signature *sig)
|
||||
{
|
||||
@ -123,53 +97,33 @@ enum {
|
||||
SHOW_PRETTY = 4
|
||||
};
|
||||
|
||||
/* Forward declarations for option-parsing helper */
|
||||
struct opts {
|
||||
const char *dir;
|
||||
const char *rev;
|
||||
int action;
|
||||
int verbose;
|
||||
};
|
||||
static void parse_opts(struct opts *o, int argc, char *argv[]);
|
||||
|
||||
|
||||
int main(int argc, char *argv[])
|
||||
{
|
||||
const char *dir = ".", *rev = NULL;
|
||||
int i, action = 0, verbose = 0;
|
||||
git_repository *repo;
|
||||
struct opts o = { ".", NULL, 0, 0 };
|
||||
git_object *obj = NULL;
|
||||
char oidstr[GIT_OID_HEXSZ + 1];
|
||||
|
||||
git_threads_init();
|
||||
|
||||
for (i = 1; i < argc; ++i) {
|
||||
char *a = argv[i];
|
||||
parse_opts(&o, argc, argv);
|
||||
|
||||
if (a[0] != '-') {
|
||||
if (rev != NULL)
|
||||
usage("Only one rev should be provided", NULL);
|
||||
else
|
||||
rev = a;
|
||||
}
|
||||
else if (!strcmp(a, "-t"))
|
||||
action = SHOW_TYPE;
|
||||
else if (!strcmp(a, "-s"))
|
||||
action = SHOW_SIZE;
|
||||
else if (!strcmp(a, "-e"))
|
||||
action = SHOW_NONE;
|
||||
else if (!strcmp(a, "-p"))
|
||||
action = SHOW_PRETTY;
|
||||
else if (!strcmp(a, "-q"))
|
||||
verbose = 0;
|
||||
else if (!strcmp(a, "-v"))
|
||||
verbose = 1;
|
||||
else if (!strcmp(a, "--help") || !strcmp(a, "-h"))
|
||||
usage(NULL, NULL);
|
||||
else if (!check_str_param(a, "--git-dir=", &dir))
|
||||
usage("Unknown option", a);
|
||||
}
|
||||
check_lg2(git_repository_open_ext(&repo, o.dir, 0, NULL),
|
||||
"Could not open repository", NULL);
|
||||
check_lg2(git_revparse_single(&obj, repo, o.rev),
|
||||
"Could not resolve", o.rev);
|
||||
|
||||
if (!action || !rev)
|
||||
usage(NULL, NULL);
|
||||
|
||||
check(git_repository_open_ext(&g_repo, dir, 0, NULL),
|
||||
"Could not open repository");
|
||||
|
||||
if (git_revparse_single(&obj, g_repo, rev) < 0) {
|
||||
fprintf(stderr, "Could not resolve '%s'\n", rev);
|
||||
exit(1);
|
||||
}
|
||||
if (verbose) {
|
||||
if (o.verbose) {
|
||||
char oidstr[GIT_OID_HEXSZ + 1];
|
||||
git_oid_tostr(oidstr, sizeof(oidstr), git_object_id(obj));
|
||||
|
||||
@ -177,7 +131,7 @@ int main(int argc, char *argv[])
|
||||
git_object_type2string(git_object_type(obj)), oidstr);
|
||||
}
|
||||
|
||||
switch (action) {
|
||||
switch (o.action) {
|
||||
case SHOW_TYPE:
|
||||
printf("%s\n", git_object_type2string(git_object_type(obj)));
|
||||
break;
|
||||
@ -185,9 +139,9 @@ int main(int argc, char *argv[])
|
||||
git_odb *odb;
|
||||
git_odb_object *odbobj;
|
||||
|
||||
check(git_repository_odb(&odb, g_repo), "Could not open ODB");
|
||||
check(git_odb_read(&odbobj, odb, git_object_id(obj)),
|
||||
"Could not find obj");
|
||||
check_lg2(git_repository_odb(&odb, repo), "Could not open ODB", NULL);
|
||||
check_lg2(git_odb_read(&odbobj, odb, git_object_id(obj)),
|
||||
"Could not find obj", NULL);
|
||||
|
||||
printf("%ld\n", (long)git_odb_object_size(odbobj));
|
||||
|
||||
@ -221,9 +175,57 @@ int main(int argc, char *argv[])
|
||||
}
|
||||
|
||||
git_object_free(obj);
|
||||
git_repository_free(g_repo);
|
||||
git_repository_free(repo);
|
||||
|
||||
git_threads_shutdown();
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void usage(const char *message, const char *arg)
|
||||
{
|
||||
if (message && arg)
|
||||
fprintf(stderr, "%s: %s\n", message, arg);
|
||||
else if (message)
|
||||
fprintf(stderr, "%s\n", message);
|
||||
fprintf(stderr,
|
||||
"usage: cat-file (-t | -s | -e | -p) [-v] [-q] "
|
||||
"[-h|--help] [--git-dir=<dir>] <object>\n");
|
||||
exit(1);
|
||||
}
|
||||
|
||||
static void parse_opts(struct opts *o, int argc, char *argv[])
|
||||
{
|
||||
struct args_info args = ARGS_INFO_INIT;
|
||||
|
||||
for (args.pos = 1; args.pos < argc; ++args.pos) {
|
||||
char *a = argv[args.pos];
|
||||
|
||||
if (a[0] != '-') {
|
||||
if (o->rev != NULL)
|
||||
usage("Only one rev should be provided", NULL);
|
||||
else
|
||||
o->rev = a;
|
||||
}
|
||||
else if (!strcmp(a, "-t"))
|
||||
o->action = SHOW_TYPE;
|
||||
else if (!strcmp(a, "-s"))
|
||||
o->action = SHOW_SIZE;
|
||||
else if (!strcmp(a, "-e"))
|
||||
o->action = SHOW_NONE;
|
||||
else if (!strcmp(a, "-p"))
|
||||
o->action = SHOW_PRETTY;
|
||||
else if (!strcmp(a, "-q"))
|
||||
o->verbose = 0;
|
||||
else if (!strcmp(a, "-v"))
|
||||
o->verbose = 1;
|
||||
else if (!strcmp(a, "--help") || !strcmp(a, "-h"))
|
||||
usage(NULL, NULL);
|
||||
else if (!match_str_arg(&o->dir, &args, "--git-dir"))
|
||||
usage("Unknown option", a);
|
||||
}
|
||||
|
||||
if (!o->action || !o->rev)
|
||||
usage(NULL, NULL);
|
||||
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user