nextflow.config

/*
========================================================================================
    nf-core/hic Nextflow config file
========================================================================================
    Default config options for all compute environments
----------------------------------------------------------------------------------------
*/

// Global default params, used in configs
params {

    // TODO nf-core: Specify your pipeline's command line flags
    // Input options
    input                      = null

    // References
    genome                     = null
    igenomes_base              = 's3://ngi-igenomes/igenomes'
    igenomes_ignore            = false
    chromosome_size = false
    restriction_fragments = false
    save_reference = false

    // Mapping
    split_fastq = false
    fastq_chunks_size = 20000000
    save_interaction_bam = false
    save_aligned_intermediates = false
    bwt2_opts_end2end = '--very-sensitive -L 30 --score-min L,-0.6,-0.2 --end-to-end --reorder'
    bwt2_opts_trimmed = '--very-sensitive -L 20 --score-min L,-0.6,-0.2 --end-to-end --reorder'
    keep_dups = false
    keep_multi = false
    min_mapq = 10

    // Digestion Hi-C
    digestion = false
    ligation_site = null
    restriction_site = null
    digest {
      'hindiii'{
         restriction_site='A^AGCTT'
         ligation_site='AAGCTAGCTT'
      }
      'mboi' {
         restriction_site='^GATC'
         ligation_site='GATCGATC'
      }
      'dpnii' {
         restriction_site='^GATC'
         ligation_site='GATCGATC'
      }
      'arima' {
         restriction_site='^GATC,G^ANT'
         ligation_site='GATCGATC,GATCGANT,GANTGATC,GANTGANT'
      }
    }
    
    min_restriction_fragment_size = 0
    max_restriction_fragment_size = 0
    min_insert_size = 0
    max_insert_size = 0
    save_nonvalid_pairs = false

    // Dnase Hi-C
    dnase = false
    min_cis_dist = 0

    // Contact maps
    save_raw_maps = false
    bin_size = '1000000'
    res_zoomify = '5000'
    hicpro_maps = false
    ice_max_iter = 100
    ice_filter_low_count_perc = 0.02
    ice_filter_high_count_perc =  0
    ice_eps = 0.1

    // Downstream Analysis
    res_dist_decay = '250000'
    tads_caller = 'insulation'
    res_tads = '40000'
    res_compartments = '250000'

    // Workflow
    skip_maps = false
    skip_balancing = false
    skip_mcool = false
    skip_dist_decay = false
    skip_compartments = false
    skip_tads = false
    skip_multiqc = false

    // MultiQC options
    multiqc_config             = null
    multiqc_title              = null
    max_multiqc_email_size     = '25.MB'

    // Boilerplate options
    outdir                     = './results'
    tracedir                   = "${params.outdir}/pipeline_info"
    publish_dir_mode           = 'copy'
    email                      = null
    email_on_fail              = null
    plaintext_email            = false
    monochrome_logs            = false
    help                       = false
    validate_params            = true
    show_hidden_params         = false
    schema_ignore_params       = 'genomes,modules'
    enable_conda               = false
    singularity_pull_docker_container = false

    // Config options
    custom_config_version      = 'master'
    custom_config_base         = "https://raw.githubusercontent.com/nf-core/configs/${params.custom_config_version}"
    hostnames                  = [:]
    config_profile_description = null
    config_profile_contact     = null
    config_profile_url         = null
    config_profile_name        = null

    // Max resource options
    // Defaults only, expecting to be overwritten
    max_memory                 = '128.GB'
    max_cpus                   = 16
    max_time                   = '240.h'

}

// Load base.config by default for all pipelines
includeConfig 'conf/base.config'

// Load modules.config for DSL2 module specific options
includeConfig 'conf/modules.config'

// Load nf-core custom profiles from different Institutions
try {
    includeConfig "${params.custom_config_base}/nfcore_custom.config"
} catch (Exception e) {
    System.err.println("WARNING: Could not load nf-core/config profiles: ${params.custom_config_base}/nfcore_custom.config")
}

// Load igenomes.config if required
if (!params.igenomes_ignore) {
    includeConfig 'conf/igenomes.config'
} else {
    params.genomes = [:]
}

profiles {
    debug { process.beforeScript = 'echo $HOSTNAME' }
    conda {
        params.enable_conda    = true
        docker.enabled         = false
        singularity.enabled    = false
        podman.enabled         = false
        shifter.enabled        = false
        charliecloud.enabled   = false
    }
    docker {
        docker.enabled         = true
        docker.userEmulation   = true
        singularity.enabled    = false
        podman.enabled         = false
        shifter.enabled        = false
        charliecloud.enabled   = false
    }
    singularity {
        singularity.enabled    = true
        singularity.autoMounts = true
        docker.enabled         = false
        podman.enabled         = false
        shifter.enabled        = false
        charliecloud.enabled   = false
    }
    podman {
        podman.enabled         = true
        docker.enabled         = false
        singularity.enabled    = false
        shifter.enabled        = false
        charliecloud.enabled   = false
    }
    shifter {
        shifter.enabled        = true
        docker.enabled         = false
        singularity.enabled    = false
        podman.enabled         = false
        charliecloud.enabled   = false
    }
    charliecloud {
        charliecloud.enabled   = true
        docker.enabled         = false
        singularity.enabled    = false
        podman.enabled         = false
        shifter.enabled        = false
    }
    test      { includeConfig 'conf/test.config'      }
    test_full { includeConfig 'conf/test_full.config' }
}

// Export these variables to prevent local Python/R libraries from conflicting with those in the container
env {
    PYTHONNOUSERSITE = 1
    R_PROFILE_USER   = "/.Rprofile"
    R_ENVIRON_USER   = "/.Renviron"
}

// Capture exit codes from upstream processes when piping
process.shell = ['/bin/bash', '-euo', 'pipefail']

def trace_timestamp = new java.util.Date().format( 'yyyy-MM-dd_HH-mm-ss')
timeline {
    enabled = true
    file    = "${params.tracedir}/execution_timeline_${trace_timestamp}.html"
}
report {
    enabled = true
    file    = "${params.tracedir}/execution_report_${trace_timestamp}.html"
}
trace {
    enabled = true
    file    = "${params.tracedir}/execution_trace_${trace_timestamp}.txt"
}
dag {
    enabled = true
    file    = "${params.tracedir}/pipeline_dag_${trace_timestamp}.svg"
}

manifest {
    name            = 'nf-core/hic'
    author          = 'Nicolas Servant'
    homePage        = 'https://github.com/nf-core/hic'
    description     = 'Analysis of Chromosome Conformation Capture data (Hi-C)'
    mainScript      = 'main.nf'
    nextflowVersion = '!>=21.04.0'
    version         = '1.3.0'
}

// Function to ensure that resource requirements don't go beyond
// a maximum limit
def check_max(obj, type) {
    if (type == 'memory') {
        try {
            if (obj.compareTo(params.max_memory as nextflow.util.MemoryUnit) == 1)
                return params.max_memory as nextflow.util.MemoryUnit
            else
                return obj
        } catch (all) {
            println "   ### ERROR ###   Max memory '${params.max_memory}' is not valid! Using default value: $obj"
            return obj
        }
    } else if (type == 'time') {
        try {
            if (obj.compareTo(params.max_time as nextflow.util.Duration) == 1)
                return params.max_time as nextflow.util.Duration
            else
                return obj
        } catch (all) {
            println "   ### ERROR ###   Max time '${params.max_time}' is not valid! Using default value: $obj"
            return obj
        }
    } else if (type == 'cpus') {
        try {
            return Math.min( obj, params.max_cpus as int )
        } catch (all) {
            println "   ### ERROR ###   Max cpus '${params.max_cpus}' is not valid! Using default value: $obj"
            return obj
        }
    }
}