stg branch --delete doesn't work

[review@linux-review-ext4]$ git checkout master
Switched to branch "master"
[master@linux-review-ext4]$ stg branch --delete --force review
Deleting branch "review" ...
fatal: Needed a single revision
stg branch: refs/heads/review does not exist


And it leaves in .git/config
[branch "test2.stgit"]
        stackformatversion = 2

So a later stg init also fails.


-aneesh

On 2007-09-21 10:10:45 +0530, Aneesh Kumar wrote:

[review@linux-review-ext4]$ git checkout master
Switched to branch "master"
[master@linux-review-ext4]$ stg branch --delete --force review
Deleting branch "review" ...
fatal: Needed a single revision
stg branch: refs/heads/review does not exist

And it leaves in .git/config
[branch "test2.stgit"]
        stackformatversion = 2

So a later stg init also fails.

Ow! You'd think we'd have a test for that ...

-- 
Karl Hasselström, kha@treskal.com
      www.treskal.com/kalle

This fixes the two issues Aneesh reported (failed branch deletion,
leftover config stuff), and adds a test. The test is added after the
fixes this time, so the test suite passes at every step.

Also available from

  git://repo.or.cz/stgit/kha.git safe

---

Karl Hasselström (4):
      Add simple test for "stg branch --delete"
      Properly remove all config for a deleted branch
      Don't try to delete the branch twice
      Don't special-case the "master" branch during branch delete


 stgit/commands/branch.py |   10 +---------
 stgit/config.py          |    7 +++++++
 stgit/stack.py           |    9 ++-------
 t/t1005-branch-delete.sh |   29 +++++++++++++++++++++++++++++
 4 files changed, 39 insertions(+), 16 deletions(-)
 create mode 100755 t/t1005-branch-delete.sh

-- 
Karl Hasselström, kha@treskal.com
      www.treskal.com/kalle

We already delete it in Stack.delete(), so don't do it here too.

Signed-off-by: Karl Hasselström <redacted>

---

 stgit/commands/branch.py |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)

diff --git a/stgit/commands/branch.py b/stgit/commands/branch.py
index 8c99936..c16fc69 100644
--- a/stgit/commands/branch.py
+++ b/stgit/commands/branch.py

@@ -99,7 +99,6 @@ def __delete_branch(doomed_name, force = False):
         raise CmdException('Cannot delete the current branch')
 
     doomed.delete(force)
-    git.delete_branch(doomed_name)
 
     out.done()
 

It's unintuitive, unsymmetric and doesn't work if there is no
"master". Instead, prohibit deletion of the current branch.

Signed-off-by: Karl Hasselström <redacted>

---

 stgit/commands/branch.py |   11 ++---------
 1 files changed, 2 insertions(+), 9 deletions(-)

diff --git a/stgit/commands/branch.py b/stgit/commands/branch.py
index 2d491d5..8c99936 100644
--- a/stgit/commands/branch.py
+++ b/stgit/commands/branch.py

@@ -96,17 +96,10 @@ def __delete_branch(doomed_name, force = False):
     out.start('Deleting branch "%s"' % doomed_name)
 
     if __is_current_branch(doomed_name):
-        check_local_changes()
-        check_conflicts()
-        check_head_top_equal()
-
-        if doomed_name != 'master':
-            git.switch_branch('master')
+        raise CmdException('Cannot delete the current branch')
 
     doomed.delete(force)
-
-    if doomed_name != 'master':
-        git.delete_branch(doomed_name)
+    git.delete_branch(doomed_name)
 
     out.done()
 

Signed-off-by: Karl Hasselström <redacted>

---

 t/t1005-branch-delete.sh |   29 +++++++++++++++++++++++++++++
 1 files changed, 29 insertions(+), 0 deletions(-)
 create mode 100755 t/t1005-branch-delete.sh

diff --git a/t/t1005-branch-delete.sh b/t/t1005-branch-delete.sh
new file mode 100755
index 0000000..7a0872e
--- /dev/null
+++ b/t/t1005-branch-delete.sh

@@ -0,0 +1,29 @@
+#!/bin/sh
+
+test_description='Attempt to delete branches'
+
+. ./test-lib.sh
+
+stg init
+
+test_expect_success 'Create a branch (and switch to it)' '
+    stg branch --create foo
+    '
+
+test_expect_success 'Delete a branch' '
+    stg branch --delete master
+    '
+
+test_expect_success 'Make sure the branch ref was deleted' '
+    [ -z "$(git show-ref | grep master | tee /dev/stderr)" ]
+    '
+
+test_expect_success 'Make sure the branch config was deleted' '
+    [ -z "$(git config -l | grep branch\\.master | tee /dev/stderr)" ]
+    '
+
+test_expect_success 'Make sure the branch files were deleted' '
+    [ -z "$(find .git -type f | grep master | tee /dev/stderr)" ]
+    '
+
+test_done

This uses "git-config --remove-section", which was first released in
git 1.5.1-rc1. I'm not sure if this is later than what we used to
depend on; we already use "git-config --rename-section", but that's
been in since git 1.5.0-rc0.

Signed-off-by: Karl Hasselström <redacted>

---

 stgit/config.py |    7 +++++++
 stgit/stack.py  |    9 ++-------
 2 files changed, 9 insertions(+), 7 deletions(-)

diff --git a/stgit/config.py b/stgit/config.py
index 799e1d7..51818bd 100644
--- a/stgit/config.py
+++ b/stgit/config.py

@@ -76,6 +76,13 @@ class GitConfig:
             ).returns([0, 1]).run()
         self.__cache.clear()
 
+    def remove_section(self, name):
+        """Remove a section in the config file. Silently do nothing if
+        the section doesn't exist."""
+        Run('git-repo-config', '--remove-section', name
+            ).returns([0, 1]).discard_stderr().discard_output()
+        self.__cache.clear()
+
     def set(self, name, value):
         Run('git-repo-config', name, value).run()
         self.__cache[name] = value

diff --git a/stgit/stack.py b/stgit/stack.py
index d6f6a6e..adfff25 100644
--- a/stgit/stack.py
+++ b/stgit/stack.py

@@ -744,13 +744,8 @@ class Series(PatchSet):
             except GitException:
                 out.warn('Could not delete branch "%s"' % self.get_name())
 
-        # Cleanup parent informations
-        # FIXME: should one day make use of git-config --section-remove,
-        # scheduled for 1.5.1
-        config.unset('branch.%s.remote' % self.get_name())
-        config.unset('branch.%s.merge' % self.get_name())
-        config.unset('branch.%s.stgit.parentbranch' % self.get_name())
-        config.unset(self.format_version_key())
+        config.remove_section('branch.%s' % self.get_name())
+        config.remove_section('branch.%s.stgit' % self.get_name())
 
     def refresh_patch(self, files = None, message = None, edit = False,
                       show_patch = False,