Factor out URL replacement from RemoteConfig
Add a new UrlConfig that encapsulates the basic URL replacement logic for git configs url.<base>.insteadOf and pushInsteadof. Change-Id: Iecc61d1c5e6089533552afa1d1e684ae72393b38 Signed-off-by: Thomas Wolf <thomas.wolf@paranor.ch>
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c127a1a652
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@ -16,10 +16,7 @@
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import java.net.URISyntaxException;
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import java.net.URISyntaxException;
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import java.util.ArrayList;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.Collections;
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import java.util.HashMap;
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import java.util.List;
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import java.util.List;
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import java.util.Map;
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import java.util.Map.Entry;
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import org.eclipse.jgit.lib.Config;
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import org.eclipse.jgit.lib.Config;
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@ -54,10 +51,6 @@ public class RemoteConfig implements Serializable {
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private static final String KEY_TIMEOUT = "timeout"; //$NON-NLS-1$
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private static final String KEY_TIMEOUT = "timeout"; //$NON-NLS-1$
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private static final String KEY_INSTEADOF = "insteadof"; //$NON-NLS-1$
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private static final String KEY_PUSHINSTEADOF = "pushinsteadof"; //$NON-NLS-1$
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private static final boolean DEFAULT_MIRROR = false;
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private static final boolean DEFAULT_MIRROR = false;
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/** Default value for {@link #getUploadPack()} if not specified. */
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/** Default value for {@link #getUploadPack()} if not specified. */
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@ -135,10 +128,10 @@ public RemoteConfig(Config rc, String remoteName)
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String val;
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String val;
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vlst = rc.getStringList(SECTION, name, KEY_URL);
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vlst = rc.getStringList(SECTION, name, KEY_URL);
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Map<String, String> insteadOf = getReplacements(rc, KEY_INSTEADOF);
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UrlConfig urls = new UrlConfig(rc);
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uris = new ArrayList<>(vlst.length);
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uris = new ArrayList<>(vlst.length);
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for (String s : vlst) {
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for (String s : vlst) {
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uris.add(new URIish(replaceUri(s, insteadOf)));
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uris.add(new URIish(urls.replace(s)));
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}
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}
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String[] plst = rc.getStringList(SECTION, name, KEY_PUSHURL);
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String[] plst = rc.getStringList(SECTION, name, KEY_PUSHURL);
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pushURIs = new ArrayList<>(plst.length);
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pushURIs = new ArrayList<>(plst.length);
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@ -148,11 +141,9 @@ public RemoteConfig(Config rc, String remoteName)
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if (pushURIs.isEmpty()) {
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if (pushURIs.isEmpty()) {
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// Would default to the uris. If we have pushinsteadof, we must
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// Would default to the uris. If we have pushinsteadof, we must
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// supply rewritten push uris.
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// supply rewritten push uris.
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Map<String, String> pushInsteadOf = getReplacements(rc,
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if (urls.hasPushReplacements()) {
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KEY_PUSHINSTEADOF);
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if (!pushInsteadOf.isEmpty()) {
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for (String s : vlst) {
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for (String s : vlst) {
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String replaced = replaceUri(s, pushInsteadOf);
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String replaced = urls.replacePush(s);
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if (!s.equals(replaced)) {
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if (!s.equals(replaced)) {
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pushURIs.add(new URIish(replaced));
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pushURIs.add(new URIish(replaced));
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}
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}
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@ -248,39 +239,6 @@ private void unset(Config rc, String key) {
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rc.unset(SECTION, getName(), key);
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rc.unset(SECTION, getName(), key);
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}
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}
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private Map<String, String> getReplacements(final Config config,
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final String keyName) {
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final Map<String, String> replacements = new HashMap<>();
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for (String url : config.getSubsections(KEY_URL))
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for (String insteadOf : config.getStringList(KEY_URL, url, keyName))
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replacements.put(insteadOf, url);
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return replacements;
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}
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private String replaceUri(final String uri,
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final Map<String, String> replacements) {
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if (replacements.isEmpty()) {
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return uri;
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}
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Entry<String, String> match = null;
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for (Entry<String, String> replacement : replacements.entrySet()) {
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// Ignore current entry if not longer than previous match
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if (match != null
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&& match.getKey().length() > replacement.getKey()
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.length()) {
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continue;
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}
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if (!uri.startsWith(replacement.getKey())) {
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continue;
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}
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match = replacement;
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}
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if (match != null) {
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return match.getValue() + uri.substring(match.getKey().length());
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}
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return uri;
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}
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/**
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/**
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* Get the local name this remote configuration is recognized as.
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* Get the local name this remote configuration is recognized as.
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*
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*
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@ -0,0 +1,120 @@
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/*
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* Copyright (C) 2022 Thomas Wolf <thomas.wolf@paranor.ch> and others
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*
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* This program and the accompanying materials are made available under the
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* terms of the Eclipse Distribution License v. 1.0 which is available at
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* https://www.eclipse.org/org/documents/edl-v10.php.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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package org.eclipse.jgit.transport;
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import java.util.HashMap;
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import java.util.Map;
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import java.util.Map.Entry;
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import org.eclipse.jgit.lib.Config;
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/**
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* Support for URL translations via git configs {@code url.<base>.insteadOf} and
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* {@code url.<base>.pushInsteadOf}.
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*
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* @since 6.2
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*/
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public class UrlConfig {
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private static final String KEY_INSTEADOF = "insteadof"; //$NON-NLS-1$
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private static final String KEY_PUSHINSTEADOF = "pushinsteadof"; //$NON-NLS-1$
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private static final String SECTION_URL = "url"; //$NON-NLS-1$
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private final Config config;
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private Map<String, String> insteadOf;
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private Map<String, String> pushInsteadOf;
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/**
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* Creates a new {@link UrlConfig} instance.
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*
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* @param config
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* {@link Config} to read values from
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*/
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public UrlConfig(Config config) {
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this.config = config;
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}
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/**
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* Performs replacements as defined by git config
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* {@code url.<base>.insteadOf}. If there is no match, the input is returned
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* unchanged.
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*
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* @param url
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* to substitute
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* @return the {@code url} with substitution applied
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*/
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public String replace(String url) {
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if (insteadOf == null) {
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insteadOf = load(KEY_INSTEADOF);
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}
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return replace(url, insteadOf);
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}
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/**
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* Tells whether there are push replacements.
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*
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* @return {@code true} if there are push replacements, {@code false}
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* otherwise
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*/
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public boolean hasPushReplacements() {
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if (pushInsteadOf == null) {
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pushInsteadOf = load(KEY_PUSHINSTEADOF);
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}
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return !pushInsteadOf.isEmpty();
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}
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/**
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* Performs replacements as defined by git config
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* {@code url.<base>.pushInsteadOf}. If there is no match, the input is
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* returned unchanged.
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*
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* @param url
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* to substitute
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* @return the {@code url} with substitution applied
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*/
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public String replacePush(String url) {
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if (pushInsteadOf == null) {
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pushInsteadOf = load(KEY_PUSHINSTEADOF);
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}
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return replace(url, pushInsteadOf);
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}
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private Map<String, String> load(String key) {
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Map<String, String> replacements = new HashMap<>();
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for (String url : config.getSubsections(SECTION_URL)) {
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for (String prefix : config.getStringList(SECTION_URL, url, key)) {
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replacements.put(prefix, url);
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}
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}
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return replacements;
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}
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private String replace(String uri, Map<String, String> replacements) {
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Entry<String, String> match = null;
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for (Entry<String, String> replacement : replacements.entrySet()) {
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// Ignore current entry if not longer than previous match
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if (match != null && match.getKey().length() > replacement.getKey()
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.length()) {
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continue;
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}
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if (uri.startsWith(replacement.getKey())) {
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match = replacement;
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}
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}
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if (match != null) {
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return match.getValue() + uri.substring(match.getKey().length());
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}
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return uri;
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}
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}
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