Revert "repo: include patchset number in commands"

This reverts commit 6b6c50e4f487b0f1ebf316e0625669260b226879.

Reason for revert: This change is affecting many users in chromium while editing a change from the UI. https://bugs.chromium.org/p/gerrit/issues/detail?id=13277

Change-Id: I8300978c1454d6cb6c66a0952941871c2ac956c1

src/main/java/com/googlesource/gerrit/plugins/download/command/BranchCommand.java

diff --git a/src/main/java/com/googlesource/gerrit/plugins/download/command/BranchCommand.java b/src/main/java/com/googlesource/gerrit/plugins/download/command/BranchCommand.java
index 6592d5d..fd36718 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/download/command/BranchCommand.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/download/command/BranchCommand.java
@@ -43,13 +43,12 @@
   }
 
   @Override
-  String getRepoCommand(String url, String id, String ps) {
+  String getRepoCommand(String url, String id) {
     return "repo download -b change-"
         + id.replaceAll("/", "-")
         + " "
         + QuoteUtil.quote(url)
         + " "
-        + id
-        + (ps.isEmpty() ? "" : "/" + ps);
+        + id;
   }
 }

src/main/java/com/googlesource/gerrit/plugins/download/command/CheckoutCommand.java

diff --git a/src/main/java/com/googlesource/gerrit/plugins/download/command/CheckoutCommand.java b/src/main/java/com/googlesource/gerrit/plugins/download/command/CheckoutCommand.java
index 9e36970..bc3ede6 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/download/command/CheckoutCommand.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/download/command/CheckoutCommand.java
@@ -37,8 +37,7 @@
   }
 
   @Override
-  String getRepoCommand(String url, String id, String ps) {
-    return "repo download " + QuoteUtil.quote(url) + " " + id
-        + (ps.isEmpty() ? "" : "/" + ps);
+  String getRepoCommand(String url, String id) {
+    return "repo download " + QuoteUtil.quote(url) + " " + id;
   }
 }

src/main/java/com/googlesource/gerrit/plugins/download/command/CherryPickCommand.java

diff --git a/src/main/java/com/googlesource/gerrit/plugins/download/command/CherryPickCommand.java b/src/main/java/com/googlesource/gerrit/plugins/download/command/CherryPickCommand.java
index d5a85fe..4856e83 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/download/command/CherryPickCommand.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/download/command/CherryPickCommand.java
@@ -37,8 +37,7 @@
   }
 
   @Override
-  String getRepoCommand(String url, String id, String ps) {
-    return "repo download -c " + QuoteUtil.quote(url) + " " + id
-        + (ps.isEmpty() ? "" : "/" + ps);
+  String getRepoCommand(String url, String id) {
+    return "repo download -c " + QuoteUtil.quote(url) + " " + id;
   }
 }

src/main/java/com/googlesource/gerrit/plugins/download/command/GitDownloadCommand.java

diff --git a/src/main/java/com/googlesource/gerrit/plugins/download/command/GitDownloadCommand.java b/src/main/java/com/googlesource/gerrit/plugins/download/command/GitDownloadCommand.java
index 1da40ac..e106510 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/download/command/GitDownloadCommand.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/download/command/GitDownloadCommand.java
@@ -14,10 +14,8 @@
 
 package com.googlesource.gerrit.plugins.download.command;
 
-import static com.google.common.base.Preconditions.checkNotNull;
 import com.google.common.flogger.FluentLogger;
 import com.google.gerrit.entities.Change;
-import com.google.gerrit.entities.PatchSet;
 import com.google.gerrit.entities.Project;
 import com.google.gerrit.entities.RefNames;
 import com.google.gerrit.extensions.client.GeneralPreferencesInfo;
@@ -76,10 +74,7 @@
       }
 
       if (scheme instanceof RepoScheme) {
-        PatchSet.Id psIdFromRef = PatchSet.Id.fromRef(ref);
-        checkNotNull(psIdFromRef);
-        String ps = psIdFromRef.getId();
-        return getRepoCommand(url, id, ps);
+        return getRepoCommand(url, id);
       }
       if (isValidUrl(url)) {
         if (checkForHiddenChangeRefs) {
@@ -142,10 +137,9 @@
 
   /**
    * @param url The project URL this change is for.
-   * @param id The change number.
-   * @param ps The patchset (PS) number.
+   * @param id The change/PS numbers.
    */
-  String getRepoCommand(String url, String id, String ps) {
+  String getRepoCommand(String url, String id) {
     // Most commands don't support this, so default it to nothing.
     return null;
   }