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Add script for individual package comparisons #1

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raktajino wants to merge 1 commits from manual_compare into main
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README.md
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## QuickStart: ## QuickStart:
How to get a friendly HTML menu comparison of RHEL vs. Rocky (like the one published on https://repocompare.rockylinux.org ): How to get a friendly HTML menu comparison of RHEL vs. Rocky (like the one published on https://repocompare.rockylinux.org ):
1. Have a subscribed Red Hat Enterprise Linux 8 or 9 machine you are running this on, with root access. 1. Have a subscribed Red Hat Enterprise Linux 8 or 9 machine you are running this on, with root access.
2. Clone or copy this repository on to the subscribed machine. 2. Clone or copy this repository on to the subscribed machine.
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## Base repocompare script: ## Base repocompare script:
The base script is **repo_compare_html.sh**, and takes a source repo and destination repo as arguments: The base script is **repo_compare_html.sh**, and takes a source repo and destination repo as arguments:
```./repo_compare_html.sh RepoA RepoB > output.html``` ```./repo_compare_html.sh RepoA RepoB > output.html```
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## Running Comparisons Across Entire Distro ## Running Comparisons Across Entire Distro
Some support scripts and HTML templates have been included Some support scripts and HTML templates have been included
A couple support scripts are also in the repository: A couple support scripts are also in the repository:
**mkrepofile.sh :** Create repo files for Rocky and duplicate ones with friendly names for the RHEL repos (and extract+place subscription entitlement info from RHEL, which rotates regularly) **mkrepofile.sh :** Create repo files for Rocky and duplicate ones with friendly names for the RHEL repos (and extract+place subscription entitlement info from RHEL, which rotates regularly)
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**repo_compare_launcher.sh :** Run all combinations of repocompare RHEL <---> Rocky. Compares 8 and 9 production, staging, source, modules, RHEL Beta, etc. **repo_compare_launcher.sh :** Run all combinations of repocompare RHEL <---> Rocky. Compares 8 and 9 production, staging, source, modules, RHEL Beta, etc.
## Sample Cron: ## Sample Cron:
``` ```
# Run full repocompare script every 4 hours # Run full repocompare script every 4 hours
5 */4 * * * root /opt/repocompare/repo_compare_launcher.sh; rsync -av --delete /opt/repocompare_results/ /var/www/html/repocompare_results/ 5 */4 * * * root /opt/repocompare/repo_compare_launcher.sh; rsync -av --delete /opt/repocompare_results/ /var/www/html/repocompare_results/
# Delete HTML repocompare pages more than 10 days old: # Delete HTML repocompare pages more than 10 days old:
10 2 * * * root find /opt/repocompare_results/ -iname "*.html" -type f -mtime +7 -exec rm -f {} \; 10 2 * * * root find /opt/repocompare_results/ -iname "*.html" -type f -mtime +7 -exec rm -f {} \;
``` ```
(things might be cleaned up, to make results location more flexible) (things might be cleaned up, to make results location more flexible)
## Manual Comparisons
The repocompare output generally includes false positives and might require further scrutiny to determine which packages actually need updates.
Please see the [documentation](https://testing.rocky.page/) for an overview of the process.

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manual_compare.sh Normal file
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#!/bin/bash
# Script to do "manual" repocompare of a single package.
# This script must run on a RHEL 8 box with a valid entitlement.
# Usage:
# ./repocompare.sh [version] [repo] [package]
#
# Examples:
# ./repocompare.sh 9 BaseOS grub2
# ./repocompare.sh 8 AppStream ansible-core
version="$1"
repo="$2" # BaseOS, AppStream, CodeReady, ResilientStorage, HighAvailability
package="$3"
# TODO only if /etc/yum.repos.d/rocky_repocompare.repo is more than 4 hours old
./mkrepofile.sh
for distro in "Rocky" "RHEL"; do
dnf download --refresh --source --repo ${distro}${version}_${repo}_Source ${package}
done
find ./ -name "$package*" -exec sh -c "rpm -qp --qf '%-18{DISTRIBUTION} %{NAME} %{VERSION} %{RELEASE} ' {} && rpm -qp --changelog {} | head -n 1" \;