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Merge branch 'nd/branch-error-cases'

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"git branch" had more cases where it did not bother to check
nonsense command line parameters.

* nd/branch-error-cases:
  branch: segfault fixes and validation
This commit is contained in:
Junio C Hamano 2013-03-21 14:02:51 -07:00
commit 42e129f47a
2 changed files with 48 additions and 0 deletions
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27
builtin/branch.c
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@ -889,6 +889,17 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
} else if (new_upstream) {
struct branch *branch = branch_get(argv[0]);
if (argc > 1)
die(_("too many branches to set new upstream"));
if (!branch) {
if (!argc || !strcmp(argv[0], "HEAD"))
die(_("could not set upstream of HEAD to %s when "
"it does not point to any branch."),
new_upstream);
die(_("no such branch '%s'"), argv[0]);
}
if (!ref_exists(branch->refname))
die(_("branch '%s' does not exist"), branch->name);
@ -901,6 +912,16 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
struct branch *branch = branch_get(argv[0]);
struct strbuf buf = STRBUF_INIT;
if (argc > 1)
die(_("too many branches to unset upstream"));
if (!branch) {
if (!argc || !strcmp(argv[0], "HEAD"))
die(_("could not unset upstream of HEAD when "
"it does not point to any branch."));
die(_("no such branch '%s'"), argv[0]);
}
if (!branch_has_merge_config(branch)) {
die(_("Branch '%s' has no upstream information"), branch->name);
}
@ -916,6 +937,12 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
int branch_existed = 0, remote_tracking = 0;
struct strbuf buf = STRBUF_INIT;
if (!strcmp(argv[0], "HEAD"))
die(_("it does not make sense to create 'HEAD' manually"));
if (!branch)
die(_("no such branch '%s'"), argv[0]);
if (kinds != REF_LOCAL_BRANCH)
die(_("-a and -r options to 'git branch' do not make sense with a branch name"));

21
t/t3200-branch.sh
View File

@ -42,6 +42,10 @@ test_expect_success \
'git branch a/b/c should create a branch' \
'git branch a/b/c && test_path_is_file .git/refs/heads/a/b/c'
test_expect_success \
'git branch HEAD should fail' \
'test_must_fail git branch HEAD'
cat >expect <<EOF
$_z40 $HEAD $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150200 +0000 branch: Created from master
EOF
@ -388,6 +392,14 @@ test_expect_success \
'git tag foobar &&
test_must_fail git branch --track my11 foobar'
test_expect_success '--set-upstream-to fails on multiple branches' \
'test_must_fail git branch --set-upstream-to master a b c'
test_expect_success '--set-upstream-to fails on detached HEAD' \
'git checkout HEAD^{} &&
test_must_fail git branch --set-upstream-to master &&
git checkout -'
test_expect_success 'use --set-upstream-to modify HEAD' \
'test_config branch.master.remote foo &&
test_config branch.master.merge foo &&
@ -417,6 +429,15 @@ test_expect_success 'test --unset-upstream on HEAD' \
test_must_fail git branch --unset-upstream
'
test_expect_success '--unset-upstream should fail on multiple branches' \
'test_must_fail git branch --unset-upstream a b c'
test_expect_success '--unset-upstream should fail on detached HEAD' \
'git checkout HEAD^{} &&
test_must_fail git branch --unset-upstream &&
git checkout -
'
test_expect_success 'test --unset-upstream on a particular branch' \
'git branch my15
git branch --set-upstream-to master my14 &&