Do not fail when checking out HEAD
Change-Id: I99f5467477ed53101121a5a5d8a0910c55758401 Signed-off-by: Chris Aniszczyk <zx@twitter.com>
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@ -1,5 +1,5 @@
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/*
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* Copyright (C) 2012, IBM Corporation and others.
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* Copyright (C) 2012, IBM Corporation
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* and other copyright owners as documented in the project's IP log.
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*
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* This program and the accompanying materials are made available
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@ -93,9 +93,26 @@ public void testCheckoutNewBranchOnBranchToBeBorn() throws Exception {
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execute("git checkout -b side"));
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}
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@Test
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public void testCheckoutUnresolvedHead() throws Exception {
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assertEquals(
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"error: pathspec 'HEAD' did not match any file(s) known to git.",
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execute("git checkout HEAD"));
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}
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@Test
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public void testCheckoutHead() throws Exception {
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new Git(db).commit().setMessage("initial commit").call();
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assertEquals("", execute("git checkout HEAD"));
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}
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static private void assertEquals(String expected, String[] actual) {
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Assert.assertEquals(actual[actual.length - 1].equals("") ? 2 : 1,
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actual.length); // ignore last line if empty
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// if there is more than one line, ignore last one if empty
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Assert.assertEquals(
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1,
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actual.length > 1 && actual[actual.length - 1].equals("") ? actual.length - 1
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: actual.length);
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Assert.assertEquals(expected, actual[0]);
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}
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}
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@ -83,6 +83,8 @@ protected void run() throws Exception {
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try {
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String oldBranch = db.getBranch();
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Ref ref = command.call();
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if (ref == null)
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return;
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if (Repository.shortenRefName(ref.getName()).equals(oldBranch)) {
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outw.println(MessageFormat.format(
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CLIText.get().alreadyOnBranch,
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