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/**************************************************************/
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5874a9 |
/* tpax: a topological pax implementation */
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/* Copyright (C) 2020--2021 SysDeer Technologies, LLC */
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/* Released under GPLv2 and GPLv3; see COPYING.TPAX. */
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/**************************************************************/
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#include <fcntl.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <tpax/tpax.h>
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#include "tpax_driver_impl.h"
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#include "tpax_dprintf_impl.h"
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#ifndef TPAX_DRIVER_FLAGS
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#define TPAX_DRIVER_FLAGS TPAX_DRIVER_VERBOSITY_ERRORS \
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| TPAX_DRIVER_VERBOSITY_USAGE \
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| TPAX_DRIVER_DIR_MEMBER_RECURSE
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#endif
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static const char vermsg[] = "%s%s%s (https://git.foss21.org/tpax): "
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"version %s%d.%d.%d%s.\n"
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"[commit reference: %s%s%s]\n";
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static const char * const tpax_ver_color[6] = {
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"\x1b[1m\x1b[35m","\x1b[0m",
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"\x1b[1m\x1b[32m","\x1b[0m",
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"\x1b[1m\x1b[34m","\x1b[0m"
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};
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static const char * const tpax_ver_plain[6] = {
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"","",
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"","",
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"",""
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};
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static ssize_t tpax_version(struct tpax_driver_ctx * dctx, int fdout)
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{
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const struct tpax_source_version * verinfo;
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const char * const * verclr;
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verinfo = tpax_source_version();
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verclr = isatty(fdout) ? tpax_ver_color : tpax_ver_plain;
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return tpax_dprintf(
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fdout,vermsg,
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verclr[0],dctx->program,verclr[1],
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verclr[2],verinfo->major,verinfo->minor,
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verinfo->revision,verclr[3],
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verclr[4],verinfo->commit,verclr[5]);
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}
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static void tpax_perform_unit_actions(
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const struct tpax_driver_ctx * dctx,
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struct tpax_unit_ctx * uctx)
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{
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if (dctx->cctx->drvflags & TPAX_DRIVER_EXEC_MODE_WRITE)
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tpax_archive_append(dctx,uctx,0);
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}
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static int tpax_exit(struct tpax_driver_ctx * dctx, int ret)
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{
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tpax_output_error_vector(dctx);
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tpax_free_driver_ctx(dctx);
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return ret;
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}
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int tpax_main(char ** argv, char ** envp, const struct tpax_fd_ctx * fdctx)
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{
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int ret;
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int fdout;
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int fdcwd;
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uint64_t flags;
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struct tpax_driver_ctx * dctx;
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struct tpax_unit_ctx * uctx;
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const char ** unit;
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flags = TPAX_DRIVER_FLAGS;
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fdout = fdctx ? fdctx->fdout : STDOUT_FILENO;
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fdcwd = fdctx ? fdctx->fdcwd : AT_FDCWD;
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if ((ret = tpax_get_driver_ctx(argv,envp,flags,fdctx,&dctx)))
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return (ret == TPAX_USAGE)
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? !argv || !argv[0] || !argv[1]
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: TPAX_ERROR;
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if (dctx->cctx->drvflags & TPAX_DRIVER_VERSION)
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if ((tpax_version(dctx,fdout)) < 0)
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return tpax_exit(dctx,TPAX_ERROR);
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for (unit=dctx->units; *unit; unit++) {
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if (!(tpax_get_unit_ctx(dctx,fdcwd,*unit,&uctx))) {
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tpax_perform_unit_actions(dctx,uctx);
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tpax_free_unit_ctx(uctx);
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}
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}
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if ((dctx->cctx->drvflags & TPAX_DRIVER_EXEC_MODE_WRITE) && dctx->units[0])
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tpax_archive_seal(dctx);
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return tpax_exit(dctx,dctx->errv[0] ? TPAX_ERROR : TPAX_OK);
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}
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