Revision dbaa6bdce22914843e956e36d41d328547514342 authored by Junio C Hamano on 31 October 2016, 20:15:21 UTC, committed by Junio C Hamano on 31 October 2016, 20:15:21 UTC
The smudge/clean filter API expect an external process is spawned to filter the contents for each path that has a filter defined. A new type of "process" filter API has been added to allow the first request to run the filter for a path to spawn a single process, and all filtering need is served by this single process for multiple paths, reducing the process creation overhead. * ls/filter-process: contrib/long-running-filter: add long running filter example convert: add filter.<driver>.process option convert: prepare filter.<driver>.process option convert: make apply_filter() adhere to standard Git error handling pkt-line: add functions to read/write flush terminated packet streams pkt-line: add packet_write_gently() pkt-line: add packet_flush_gently() pkt-line: add packet_write_fmt_gently() pkt-line: extract set_packet_header() pkt-line: rename packet_write() to packet_write_fmt() run-command: add clean_on_exit_handler run-command: move check_pipe() from write_or_die to run_command convert: modernize tests convert: quote filter names in error messages
copy.c
#include "cache.h"
int copy_fd(int ifd, int ofd)
{
while (1) {
char buffer[8192];
ssize_t len = xread(ifd, buffer, sizeof(buffer));
if (!len)
break;
if (len < 0)
return COPY_READ_ERROR;
if (write_in_full(ofd, buffer, len) < 0)
return COPY_WRITE_ERROR;
}
return 0;
}
static int copy_times(const char *dst, const char *src)
{
struct stat st;
struct utimbuf times;
if (stat(src, &st) < 0)
return -1;
times.actime = st.st_atime;
times.modtime = st.st_mtime;
if (utime(dst, ×) < 0)
return -1;
return 0;
}
int copy_file(const char *dst, const char *src, int mode)
{
int fdi, fdo, status;
mode = (mode & 0111) ? 0777 : 0666;
if ((fdi = open(src, O_RDONLY)) < 0)
return fdi;
if ((fdo = open(dst, O_WRONLY | O_CREAT | O_EXCL, mode)) < 0) {
close(fdi);
return fdo;
}
status = copy_fd(fdi, fdo);
switch (status) {
case COPY_READ_ERROR:
error_errno("copy-fd: read returned");
break;
case COPY_WRITE_ERROR:
error_errno("copy-fd: write returned");
break;
}
close(fdi);
if (close(fdo) != 0)
return error_errno("%s: close error", dst);
if (!status && adjust_shared_perm(dst))
return -1;
return status;
}
int copy_file_with_time(const char *dst, const char *src, int mode)
{
int status = copy_file(dst, src, mode);
if (!status)
return copy_times(dst, src);
return status;
}
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