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[PATCH] Add git-local-pull.

Browse Source 
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:
Junio C Hamano 2005-05-01 21:09:28 -07:00 committed by Linus Torvalds
parent ee4f439fea
commit dfcb405799
2 changed files with 112 additions and 1 deletions
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3
Makefile
View File

@ -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
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@ -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;
}