---
name: "modifyrepo_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/modifyrepo_c"
---

# modifyrepo\_c(8)

Modify a repomd.xml of rpm-md format repository

## NAME

modifyrepo\_c - Modify a repomd.xml of rpm-md format repository

## SYNOPSIS

modifyrepo\_c \[options\] \<input metadata\> \<output repodata\>

modifyrepo\_c --remove \<metadata type\> \<output repodata\>

modifyrepo\_c \[options\] --batchfile \<batch file\> \<output repodata\>

## OPTIONS

### --version

Show program's version number and exit.

### --mdtype MDTYPE

Specific datatype of the metadata, will be derived from the filename if not specified.

### --remove

Remove specified file from repodata.

### --compress

Compress the new repodata before adding it to the repo. (default)

### --no-compress

Do not compress the new repodata before adding it to the repo.

### --compress-type COMPRESS\_TYPE

Compression format to use.

### -s --checksum SUMTYPE

Specify the checksum type to use. (default: sha256)

### --unique-md-filenames

Include the file's checksum in the filename, helps with proxies. (default)

### --simple-md-filenames

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

### --verbose

Verbose output.

### -f --batchfile BATCHFILE

Batch file.

### --new-name NEWFILENAME

New filename for the file

### --zck

Generate zchunk files as well as the standard repodata.

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

Directory containing compression dictionaries for use by zchunk