---
name: "mergerepo_c"
section: "8"
platform: "linux"
package: "createrepo_c"
version: "1.2.5-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/mergerepo_c"
---

# mergerepo\_c(8)

Merge multiple rpm-md format repositories together

## NAME

mergerepo\_c - Merge multiple rpm-md format repositories together

## SYNOPSIS

mergerepo\_c \[options\] --repo repo1 --repo repo2

## OPTIONS

### --version

Show program's version number and exit

### -r --repo REPOS

Repo url

### --repo-prefix-search OLD\_PREFIX

Repository prefix to be replaced by NEW\_PREFIX.

### --repo-prefix-replace NEW\_PREFIX

Repository prefix URL by which the OLD\_PREFIX is replaced.

### -a --archlist ARCHLIST

Defaults to all arches - otherwise specify arches

### -d --database

### --no-database

### -v --verbose

### -o --outputdir OUTPUTDIR

Location to create the repository

### --nogroups

Do not merge group (comps) metadata

### --noupdateinfo

Do not merge updateinfo metadata

### --compress-type COMPRESS\_TYPE

Which compression type to use

### --zck

Generate zchunk files as well as the standard repodata.

### --zck-dict-dir ZCK\_DICT\_DIR

Directory containing compression dictionaries for use by zchunk

### --method MERGE\_METHOD

Specify merge method for packages with the same name and arch.

Available merge methods:

**repo**

(default) select package from the first specified repository.

**nvr**

select package with the higher version and release.

**ts**

select package with the newest timestamp.

### --all

Include all packages with the same name and arch if version or release is different. If used --method argument is ignored!

### --noarch-repo URL

Packages with noarch architecture will be replaced by package from this repo if exists in it.

### --unique-md-filenames

Include the file's checksum in the metadata filename, helps HTTP caching (default).

### --simple-md-filenames

Do not include the file's checksum in the metadata filename.

### --omit-baseurl

Don't add a baseurl to packages that don't have one before.

### -k --koji

Enable koji mergerepos behaviour. (Optionally select simple mode with: --simple)

### --simple

Enable koji specific simple merge mode where we keep even packages with identical NEVRAs. Only works with combination with --koji/-k.

### --pkgorigins

Enable standard mergerepos behavior while also providing the pkgorigins file for koji.

### --arch-expand

Add multilib architectures for specified archlist and expand all of them. Only works with combination with --archlist.

### -g --groupfile GROUPFILE

Path to groupfile to include in metadata.

### -b --blocked FILE

A file containing a list of srpm names to exclude from the merged repo. Only works with combination with --koji/-k.