2021-06-29 17:23:57 +00:00
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#!/bin/bash
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# Script takes 2 arguments: SOURCEREPO and TARGETREPO (ex: ./repo_compare_html.sh RHEL8_BaseOS Rocky8_BaseOS )
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# The arguments must be named dnf/yum repos on the system
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#
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# We will loop through the RPM names from SOURCEREPO, and attempt to find name/version/release matches in TARGETREPO
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2022-06-15 21:26:21 +00:00
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# An HTML table page will be sent to stdout showing the differences
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2021-06-29 17:23:57 +00:00
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#
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2022-06-15 21:26:21 +00:00
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2021-06-29 17:23:57 +00:00
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REPO1="$1"
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REPO2="$2"
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2022-06-15 21:26:21 +00:00
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pkglist1=$(dnf repoquery --latest-limit 1 --repo "${REPO1}" --queryformat "%{name} %{version} %{release}" | grep -vi " subscription ")
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pkglist2=$(dnf repoquery --latest-limit 1 --repo "${REPO2}" --queryformat "%{name} %{version} %{release}" | grep -vi " subscription ")
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2021-06-29 17:23:57 +00:00
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2022-06-15 21:26:21 +00:00
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# Strip some ending package info off like this:
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# 1: moduleXYZ info comes off
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# 2: If a dotrelease tag is present (like .el8_4.3), then preserve the .3 but remove the el8_* tag
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# 3: If a dotrelease tag is not present, then simply take the .el8* off from the end
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# 4: Remove any trailing ".rocky" tag as well from the end if a dotrelease is not present
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# The moduleXYZ will never match versions, and the el8 tagging may be different (el8 vs. el8_3, el8_4, etc.)
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pkglist1=$(echo "${pkglist1}" | sed -e 's/\.module.*$/\.module/g' | sed -e 's/\.el.*\.\(.*\)$/\.\1/g' | sed -e 's/\.el.*$//g' | sed 's/\.rocky$//')
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pkglist2=$(echo "${pkglist2}" | sed -e 's/\.module.*$/\.module/g' | sed -e 's/\.el.*\.\(.*\)$/\.\1/g' | sed -e 's/\.el.*$//g' | sed 's/\.rocky$//')
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2021-06-29 17:23:57 +00:00
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# Turn the first pkg list into a comma-separated list (instead of newline-separated)
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# (makes it easier to use IFS=',' in all of our for loops)
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2022-06-15 21:26:21 +00:00
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pkglist1=$(echo "${pkglist1}" | tr '\n' ',')
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2021-06-29 17:23:57 +00:00
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#echo "$pkglist1" > debug1.txt
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#echo "$pkglist2" > debug2.txt
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2022-06-15 21:26:21 +00:00
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2021-06-29 17:23:57 +00:00
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# HTML style header for table:
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echo "<html><h3>Repo Version Differences for: ${REPO1} vs. ${REPO2}</h3>"
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echo '
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<style>
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table {
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border-collapse: collapse;
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2022-06-15 21:26:21 +00:00
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width: 90%;
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2021-06-29 17:23:57 +00:00
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}
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th, td {
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text-align: left;
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padding: 8px;
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}
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tr:nth-child(even) {background-color: #d4d4d4;}
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</style>
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<div style="overflow-x:auto;">
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'
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echo "
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2022-06-15 21:26:21 +00:00
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<i>Generated by Repo Compare Script at: $(date +'%Y-%m-%d %H:%M:%S') </i>
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2021-06-29 17:23:57 +00:00
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<br />
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<table>
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<tr><th>${REPO1} Version</th> <th>${REPO2} Version</th></tr>
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"
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IFS=','
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# Main loop to check all packages from our "source" repo
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2022-06-15 21:26:21 +00:00
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for pkg in ${pkglist1}; do
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2021-06-29 17:23:57 +00:00
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# Extract name/version/tag info from package (filtering out modular + el8* info from tag)
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2022-06-15 21:26:21 +00:00
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_name=$(echo "$pkg" | awk '{print $1}')
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_version=$(echo "$pkg" | awk '{print $2}')
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_tag=$(echo "$pkg" | awk '{print $3}')
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2021-06-29 17:23:57 +00:00
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# every package match is false by default, until we match it
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isPkgMatched=0
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# Find any packages in the target repo with the same name as the one we're interested in from the source repo:
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# (easy to match the exact name if we include a space separator in our grep)
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# (We turn it into a comma separated list as well so we can do another for loop against the result set)
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2022-06-15 21:26:21 +00:00
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pkgmatches=$(echo "${pkglist2}" | grep "^${_name} ")
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2021-06-29 17:23:57 +00:00
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# If there are no matches, we output a DOES NOT EXIST and don't bother with searching the results
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if [[ -z "${pkgmatches}" ]]; then
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echo "<tr> <td>${_name}-${_version}-${_tag}</td> <td>(DOES NOT EXIST)</td> </tr>"
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continue
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fi
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# Loop through each result (name matches) and look for an exact version match:
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2022-06-15 21:26:21 +00:00
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for match in ${pkgmatches}; do
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_name2=$(echo "$match" | awk '{print $1}')
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_version2=$(echo "$match" | awk '{print $2}')
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_tag2=$(echo "$match" | awk '{print $3}')
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2021-06-29 17:23:57 +00:00
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#echo "DEBUG :: _tag2 == $_tag2"
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# If we find a match, then exit this loop and set the flag to found:
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if [ "${_name}-${_version}-${_tag}" == "${_name2}-${_version2}-${_tag2}" ]; then
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isPkgMatched=1
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break
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fi
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done
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# Get pkgmatches into name-version-release format:
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2022-06-15 21:26:21 +00:00
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pkgmatches=$(echo "${pkgmatches}" | sed 's/ /\-/g' | sed 's/,$//')
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2021-06-29 17:23:57 +00:00
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# If package is not matched, then we need to output an HTML row:
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if [ "$isPkgMatched" == "0" ]; then
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echo "<tr> <td>${_name}-${_version}-${_tag}</td> <td>${pkgmatches}</td> </tr>"
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fi
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done
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echo "</table></html>"
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