/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/*
Copyright 2013-2021 The Libfossil Authors, see LICENSES/BSD-2-Clause.txt
SPDX-License-Identifier: BSD-2-Clause-FreeBSD
SPDX-FileCopyrightText: 2021 The Libfossil Authors
SPDX-ArtifactOfProjectName: Libfossil
SPDX-FileType: Code
Heavily indebted to the Fossil SCM project (https://fossil-scm.org).
*****************************************************************************
A simple tool for dumping fossil blobs to stdout.
*/
#include "fossil-scm/fossil-cli.h"
#include "fossil-scm/fossil-internal.h"
int main(int argc, char const * const * argv ){
int rc = 0;
const char * sym = NULL;
const char * ofileName = NULL;
FILE * ofile = NULL;
fsl_cx * f;
fsl_db * db;
fsl_id_t rid = 0;
fsl_uuid_str uuid = NULL;
fsl_buffer blob = fsl_buffer_empty;
bool raw = false;
fcli_cliflag FCliFlags[] = {
FCLI_FLAG("a","artifact","artifact-id",&sym,
"Artifact UUID or symbolic name. "
"Default is the first non-flag argument."),
FCLI_FLAG("o","output","filename",&ofileName,
"Output to the given file."),
FCLI_FLAG_BOOL(0,"raw",&raw,
"Fetches blobs in raw form, which means that no "
"undeltification is applied (but they are decompressed, if "
"needed, to undo fossil's custom tagging of the "
"compression state)"),
fcli_cliflag_empty_m
};
fcli_help_info FCliHelp = {
"Outputs content from fossil repositories.",
"artifact_id",
NULL
};
fcli.cliFlags = FCliFlags;
fcli.appHelp = &FCliHelp;
rc = fcli_setup(argc, argv);
if(rc) goto end;
f = fcli_cx();
db = fsl_needs_repo(f);
if(!db){
goto end;
}
if(fcli_has_unused_flags(0)) goto end;
if(!sym) sym = fcli_next_arg(1);
if(!sym){
fcli_err_set(FSL_RC_MISUSE, "Missing artifact argument.");
goto end;
}
else if(ofileName){
ofile = fsl_fopen(ofileName, "w");
if(!ofile){
rc = fcli_err_set(FSL_RC_IO,
"Could not open file for writing: %s", ofileName);
}
ofileName = NULL;
if(rc) goto end;
}
rc = fsl_sym_to_uuid(f, sym, FSL_SATYPE_ANY, &uuid, &rid);
if(rc) goto end;
FCLI_V(("Symbol [%s] resolved to [%.*s] (rid %"FSL_ID_T_PFMT")\n",
sym, 12, uuid, rid));
rc = raw
? fsl_content_blob(f, rid, &blob)
: fsl_content_get(f, rid, &blob);
if(!rc){
fwrite(blob.mem, blob.used, 1, ofile ? ofile : stdout);
}
end:
fsl_fclose(ofile);
fsl_buffer_clear(&blob);
fsl_free(uuid);
return fcli_end_of_main(rc);
}