mirror of
https://github.com/git/git
synced 2024-08-28 12:09:19 +00:00
[PATCH] Add git-local-pull.
This adds the git-local-pull command as a smaller brother of http-pull and rpull. Signed-off-by: Junio C Hamano <junkio@cox.net> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
parent
ee4f439fea
commit
dfcb405799
3
Makefile
3
Makefile
|
@ -21,7 +21,7 @@ PROG= git-update-cache git-diff-files git-init-db git-write-tree \
|
|||
git-check-files git-ls-tree git-merge-base git-merge-cache \
|
||||
git-unpack-file git-export git-diff-cache git-convert-cache \
|
||||
git-http-pull git-rpush git-rpull git-rev-list git-mktag \
|
||||
git-diff-tree-helper git-tar-tree
|
||||
git-diff-tree-helper git-tar-tree git-local-pull
|
||||
|
||||
all: $(PROG)
|
||||
|
||||
|
@ -87,6 +87,7 @@ git-export: export.c
|
|||
git-diff-cache: diff-cache.c
|
||||
git-convert-cache: convert-cache.c
|
||||
git-http-pull: http-pull.c pull.c
|
||||
git-local-pull: local-pull.c pull.c
|
||||
git-rpush: rsh.c
|
||||
git-rpull: rsh.c pull.c
|
||||
git-rev-list: rev-list.c
|
||||
|
|
110
local-pull.c
Normal file
110
local-pull.c
Normal file
|
@ -0,0 +1,110 @@
|
|||
#include <fcntl.h>
|
||||
#include <unistd.h>
|
||||
#include <string.h>
|
||||
#include <stdlib.h>
|
||||
#include "cache.h"
|
||||
#include "commit.h"
|
||||
#include <errno.h>
|
||||
#include <stdio.h>
|
||||
#include "pull.h"
|
||||
|
||||
static int use_link = 0;
|
||||
static int use_symlink = 0;
|
||||
static int verbose = 0;
|
||||
|
||||
static char *path;
|
||||
|
||||
static void say(const char *fmt, const char *hex) {
|
||||
if (verbose)
|
||||
fprintf(stderr, fmt, hex);
|
||||
}
|
||||
|
||||
int fetch(unsigned char *sha1)
|
||||
{
|
||||
static int object_name_start = -1;
|
||||
static char filename[PATH_MAX];
|
||||
char *hex = sha1_to_hex(sha1);
|
||||
const char *dest_filename = sha1_file_name(sha1);
|
||||
int ifd, ofd, status;
|
||||
struct stat st;
|
||||
void *map;
|
||||
|
||||
if (object_name_start < 0) {
|
||||
strcpy(filename, path); /* e.g. git.git */
|
||||
strcat(filename, "/objects/");
|
||||
object_name_start = strlen(filename);
|
||||
}
|
||||
filename[object_name_start+0] = hex[0];
|
||||
filename[object_name_start+1] = hex[1];
|
||||
filename[object_name_start+2] = '/';
|
||||
strcpy(filename + object_name_start + 3, hex + 2);
|
||||
if (use_link && !link(filename, dest_filename)) {
|
||||
say("Hardlinked %s.\n", hex);
|
||||
return 0;
|
||||
}
|
||||
if (use_symlink && !symlink(filename, dest_filename)) {
|
||||
say("Symlinked %s.\n", hex);
|
||||
return 0;
|
||||
}
|
||||
ifd = open(filename, O_RDONLY);
|
||||
if (ifd < 0 || fstat(ifd, &st) < 0) {
|
||||
close(ifd);
|
||||
fprintf(stderr, "Cannot open %s\n", filename);
|
||||
return -1;
|
||||
}
|
||||
map = mmap(NULL, st.st_size, PROT_READ, MAP_PRIVATE, ifd, 0);
|
||||
close(ifd);
|
||||
if (-1 == (int)(long)map) {
|
||||
fprintf(stderr, "Cannot mmap %s\n", filename);
|
||||
return -1;
|
||||
}
|
||||
ofd = open(dest_filename, O_WRONLY | O_CREAT | O_EXCL, 0666);
|
||||
status = ((ofd < 0) || (write(ofd, map, st.st_size) != st.st_size));
|
||||
munmap(map, st.st_size);
|
||||
close(ofd);
|
||||
if (status)
|
||||
fprintf(stderr, "Cannot write %s (%ld bytes)\n",
|
||||
dest_filename, st.st_size);
|
||||
else
|
||||
say("Copied %s.\n", hex);
|
||||
return status;
|
||||
}
|
||||
|
||||
static const char *local_pull_usage =
|
||||
"git-local-pull [-c] [-t] [-a] [-l] [-s] [-v] commit-id path";
|
||||
|
||||
int main(int argc, char **argv)
|
||||
{
|
||||
char *commit_id;
|
||||
int arg = 1;
|
||||
|
||||
while (arg < argc && argv[arg][0] == '-') {
|
||||
if (argv[arg][1] == 't')
|
||||
get_tree = 1;
|
||||
else if (argv[arg][1] == 'c')
|
||||
get_history = 1;
|
||||
else if (argv[arg][1] == 'a') {
|
||||
get_all = 1;
|
||||
get_tree = 1;
|
||||
get_history = 1;
|
||||
}
|
||||
else if (argv[arg][1] == 'l')
|
||||
use_link = 1;
|
||||
else if (argv[arg][1] == 's')
|
||||
use_symlink = 1;
|
||||
else if (argv[arg][1] == 'v')
|
||||
verbose = 1;
|
||||
else
|
||||
usage(local_pull_usage);
|
||||
arg++;
|
||||
}
|
||||
if (argc < arg + 2)
|
||||
usage(local_pull_usage);
|
||||
commit_id = argv[arg];
|
||||
path = argv[arg + 1];
|
||||
|
||||
if (pull(commit_id))
|
||||
return 1;
|
||||
|
||||
return 0;
|
||||
}
|
Loading…
Reference in a new issue