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/******************************************************/
/* tpax: a topological pax implementation */
/* Copyright (C) 2020 Z. Gilboa */
/* Released under GPLv2 and GPLv3; see COPYING.TPAX. */
/******************************************************/
#include <fcntl.h>
#include <stdio.h>
#include <unistd.h>
#include <tpax/tpax.h>
#include "tpax_driver_impl.h"
#include "tpax_dprintf_impl.h"
#ifndef TPAX_DRIVER_FLAGS
#define TPAX_DRIVER_FLAGS TPAX_DRIVER_VERBOSITY_ERRORS \
| TPAX_DRIVER_VERBOSITY_USAGE \
| TPAX_DRIVER_DIR_MEMBER_RECURSE
#endif
static const char vermsg[] = "%s%s%s (https://git.foss21.org/tpax): "
"version %s%d.%d.%d%s.\n"
"[commit reference: %s%s%s]\n";
static const char * const tpax_ver_color[6] = {
"\x1b[1m\x1b[35m","\x1b[0m",
"\x1b[1m\x1b[32m","\x1b[0m",
"\x1b[1m\x1b[34m","\x1b[0m"
};
static const char * const tpax_ver_plain[6] = {
"","",
"","",
"",""
};
static ssize_t tpax_version(struct tpax_driver_ctx * dctx, int fdout)
{
const struct tpax_source_version * verinfo;
const char * const * verclr;
verinfo = tpax_source_version();
verclr = isatty(fdout) ? tpax_ver_color : tpax_ver_plain;
return tpax_dprintf(
fdout,vermsg,
verclr[0],dctx->program,verclr[1],
verclr[2],verinfo->major,verinfo->minor,
verinfo->revision,verclr[3],
verclr[4],verinfo->commit,verclr[5]);
}
static void tpax_perform_unit_actions(
const struct tpax_driver_ctx * dctx,
struct tpax_unit_ctx * uctx)
{
if (dctx->cctx->drvflags & TPAX_DRIVER_EXEC_MODE_WRITE)
tpax_archive_append(dctx,uctx,0);
}
static int tpax_exit(struct tpax_driver_ctx * dctx, int ret)
{
tpax_output_error_vector(dctx);
tpax_free_driver_ctx(dctx);
return ret;
}
int tpax_main(char ** argv, char ** envp, const struct tpax_fd_ctx * fdctx)
{
int ret;
int fdout;
int fdcwd;
uint64_t flags;
struct tpax_driver_ctx * dctx;
struct tpax_unit_ctx * uctx;
const char ** unit;
flags = TPAX_DRIVER_FLAGS;
fdout = fdctx ? fdctx->fdout : STDOUT_FILENO;
fdcwd = fdctx ? fdctx->fdcwd : AT_FDCWD;
if ((ret = tpax_get_driver_ctx(argv,envp,flags,fdctx,&dctx)))
return (ret == TPAX_USAGE)
? !argv || !argv[0] || !argv[1]
: TPAX_ERROR;
if (dctx->cctx->drvflags & TPAX_DRIVER_VERSION)
if ((tpax_version(dctx,fdout)) < 0)
return tpax_exit(dctx,TPAX_ERROR);
for (unit=dctx->units; *unit; unit++) {
if (!(tpax_get_unit_ctx(dctx,fdcwd,*unit,&uctx))) {
tpax_perform_unit_actions(dctx,uctx);
tpax_free_unit_ctx(uctx);
}
}
if ((dctx->cctx->drvflags & TPAX_DRIVER_EXEC_MODE_WRITE) && dctx->units[0])
tpax_archive_seal(dctx);
return tpax_exit(dctx,dctx->errv[0] ? TPAX_ERROR : TPAX_OK);
}
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