Merging upstream version 0.12.9.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

8 files changed, 252 insertions, 91 deletions

diff --git a/.github/workflows/nos.yml b/.github/workflows/nos.yml
index d75defa..e6c012b 100644
--- a/.github/workflows/nos.yml
+++ b/.github/workflows/nos.yml
@@ -8,7 +8,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: [3.6, 3.7, 3.8]
+        python-version: [3.6, 3.7, 3.8, 3.9]
     steps:
     - uses: actions/checkout@v2
     - name: Set up Python ${{ matrix.python-version }}
diff --git a/README.md b/README.md
index a545b64..1c9b321 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,7 @@
 | | ____   | |     | |  |  ___  |
 | | \_  )  | |     | |  | (   ) |
 | (___) |__) (___  | |  | )   ( |
-(_______)_______/  )_(  |/     \|   v0.11
+(_______)_______/  )_(  |/     \|   v0.12
 ```
 
 # Gita: a command-line tool to manage multiple git repos
@@ -24,17 +24,18 @@ This tool does two things
 - display the status of multiple git repos such as branch, modification, commit message side by side
 - (batch) delegate git commands/aliases from any working directory
 
-If several repos are related, it helps to see their status together too.
+If several repos are related, it helps to see their status together.
 I also hate to change directories to execute git commands.
 
 ![gita screenshot](https://github.com/nosarthur/gita/raw/master/doc/screenshot.png)
 
 In the screenshot, the `gita remote nowhub` command translates to `git remote -v`
-for the `nowhub` repo.
+for the `nowhub` repo, even though we are at the `blog` repo.
 To see the pre-defined sub-commands, run `gita -h` or take a look at
 [cmds.yml](https://github.com/nosarthur/gita/blob/master/gita/cmds.yml).
 To add your own sub-commands, see the [customization section](#custom).
 To run arbitrary `git` command, see the [superman mode section](#superman).
+To run arbitrary shell command, see the [shell mode section](#shell).
 
 The branch color distinguishes 5 situations between local and remote branches:
 
@@ -47,6 +48,8 @@ The branch color distinguishes 5 situations between local and remote branches:
 The choice of purple for ahead and yellow for behind is motivated by
 [blueshift](https://en.wikipedia.org/wiki/Blueshift) and [redshift](https://en.wikipedia.org/wiki/Redshift),
 using green as baseline.
+You can change the color scheme using the `gita color` sub-command.
+See the [customization section](#custom).
 
 The additional status symbols denote
 
@@ -57,6 +60,7 @@ The additional status symbols denote
 The bookkeeping sub-commands are
 
 - `gita add <repo-path(s)>`: add repo(s) to `gita`
+- `gita clone <config-file>`: clone repos in `config-file` (generated by `gita freeze`) to current directory.
 - `gita context`: context sub-command
     - `gita context`: show current context
     - `gita context none`: remove context
@@ -64,12 +68,14 @@ The bookkeeping sub-commands are
 - `gita color`: color sub-command
     - `gita color [ll]`: Show available colors and the current coloring scheme
     - `gita color set <situation> <color>`: Use the specified color for the local-remote situation
+- `gita freeze`: print information of all repos such as URL, name, and path.
 - `gita group`: group sub-command
     - `gita group add <repo-name(s)> -n <group-name>`: add repo(s) to a new group or existing group
     - `gita group [ll]`: display existing groups with repos
     - `gita group ls`: display existing group names
     - `gita group rename <group-name> <new-name>`: change group name
     - `gita group rm <group-name(s)>`: delete group(s)
+    - `gita group rmrepo <repo-name(s)> -n <group-name>`: remove repo(s) from existing group
 - `gita info`: info sub-command
     - `gita info [ll]`: display the used and unused information items
     - `gita info add <info-item>`: enable information item
@@ -82,22 +88,24 @@ The bookkeeping sub-commands are
 - `gita rm <repo-name(s)>`: remove repo(s) from `gita` (won't remove files from disk)
 - `gita -v`: display gita version
 
-The delegating sub-commands are of two formats
+The `git` delegating sub-commands are of two formats
 
 - `gita <sub-command> [repo-name(s) or group-name(s)]`:
   optional repo or group input, and **no input means all repos**.
 - `gita <sub-command> <repo-name(s) or groups-name(s)>`:
   required repo name(s) or group name(s) input
 
-In either case, the `gita` command translates to running `git <sub-command>` for the corresponding repos.
-By default, only `fetch` and `pull` take optional input.
+They translate to `git <sub-command>` for the corresponding repos.
+By default, only `fetch` and `pull` take optional input. In other words,
+`gita fetch` and `gita pull` apply to all repos.
 To see the pre-defined sub-commands, run `gita -h` or take a look at
 [cmds.yml](https://github.com/nosarthur/gita/blob/master/gita/cmds.yml).
-To add your own sub-commands, see the [customization section](#custom).
+To add your own sub-commands or override the default behaviors, see the [customization section](#custom).
 To run arbitrary `git` command, see the [superman mode section](#superman).
 
-If more than one repos are specified, the git command will run asynchronously,
-with the exception of `log`, `difftool` and `mergetool`, which require non-trivial user input.
+If more than one repos are specified, the `git` command runs asynchronously,
+with the exception of `log`, `difftool` and `mergetool`,
+which require non-trivial user input.
 
 Repo paths are saved in `$XDG_CONFIG_HOME/gita/repo_path` (most likely `~/.config/gita/repo_path`).
 
@@ -109,8 +117,7 @@ To install the latest version, run
 pip3 install -U gita
 ```
 
-If development mode is preferred,
-download the source code and run
+If you prefer development mode, download the source code and run
 
 ```
 pip3 install -e <gita-source-folder>
@@ -123,8 +130,8 @@ then you can put the following line in the `.bashrc` file.
 alias gita="python3 -m gita"
 ```
 
-Windows users may need to enable the ANSI escape sequence in terminal, otherwise
-the branch color won't work.
+Windows users may need to enable the ANSI escape sequence in terminal for
+the branch color to work.
 See [this stackoverflow post](https://stackoverflow.com/questions/51680709/colored-text-output-in-powershell-console-using-ansi-vt100-codes) for details.
 
 ## Auto-completion
@@ -133,11 +140,11 @@ Download
 [.gita-completion.bash](https://github.com/nosarthur/gita/blob/master/.gita-completion.bash)
 or
 [.gita-completion.zsh](https://github.com/nosarthur/gita/blob/master/.gita-completion.zsh)
-and source it in the .rc file.
+and source it in the corresponding rc file.
 
 ## <a name='superman'></a> Superman mode
 
-The superman mode delegates any git command/alias.
+The superman mode delegates any `git` command or alias.
 Usage:
 
 ```
@@ -151,8 +158,25 @@ For example,
 - `gita super frontend-repo backend-repo commit -am 'implement a new feature'`
   executes `git commit -am 'implement a new feature'` for `frontend-repo` and `backend-repo`
 
+## <a name='shell'></a> Shell mode
+
+The shell mode delegates any shell command.
+Usage:
+
+```
+gita shell [repo-name(s) or group-name(s)] <any-shell-command>
+```
+
+Here `repo-name(s)` or `group-name(s)` are optional, and their absence means all repos.
+For example,
+
+- `gita shell ll` lists contents for all repos
+- `gita shell repo1 mkdir docs` create a new directory `docs` in repo1
+
 ## <a name='custom'></a> Customization
 
+### user-defined sub-command using yaml file
+
 Custom delegating sub-commands can be defined in `$XDG_CONFIG_HOME/gita/cmds.yml`
 (most likely `~/.config/gita/cmds.yml`).
 And they shadow the default ones if name collisions exist.
@@ -167,15 +191,15 @@ stat:
   help: show edit statistics
 ```
 
-which executes `git diff --stat`.
+which executes `git diff --stat` for the specified repo(s).
 
-If the delegated git command is a single word, the `cmd` tag can be omitted.
+If the delegated `git` command is a single word, the `cmd` tag can be omitted.
 See `push` for an example.
 To disable asynchronous execution, set the `disable_async` tag to be `true`.
 See `difftool` for an example.
 
-If you want a custom command to behave like `gita fetch`, i.e., to apply
-command to all repos if nothing is specified,
+If you want a custom command to behave like `gita fetch`, i.e., to apply the
+command to all repos when no repo is specified,
 set the `allow_all` option to be `true`.
 For example, the following snippet creates a new command
 `gita comaster [repo-name(s)]` with optional repo name input.
@@ -187,11 +211,17 @@ comaster:
   help: checkout the master branch
 ```
 
-Another customization is the information items displayed by `gita ll`.
-The used and unused information items are shown with `gita info` and one can
-create `$XDG_CONFIG_HOME/gita/info.yml` to customize it.
-(I am thinking of hiding all these details from user at the moment, which means
-you probably don't need to read the rest of this section.)
+### customize the local/remote relationship coloring displayed by the `gita ll` command
+
+You can see the default color scheme and the available colors via `gita color`.
+To change the color coding, use `gita color set <situation> <color>`.
+The configuration is saved in `$XDG_CONFIG_HOME/gita/color.yml`.
+
+### customize information displayed by the `gita ll` command
+
+You can customize the information displayed by `gita ll`.
+The used and unused information items are shown with `gita info`, and the
+configuration is saved in `$XDG_CONFIG_HOME/gita/info.yml`.
 
 For example, the default information items setting corresponds to
 
@@ -200,28 +230,13 @@ For example, the default information items setting corresponds to
 - commit_msg
 ```
 
-To create your own information items, define a dictionary called `extra_info_items`
-in `$XDG_CONFIG_HOME/gita/extra_repo_info.py`. It should map strings to functions,
-where the strings are the information item names and the functions take repo path
-as input. A trivial example is shown below.
-
-```python
-def get_delim(path: str) -> str:
-    return '|'
-
-extra_info_items = {'delim': get_delim}
-```
-
-If it works, you will see these extra items in the 'Unused' section of the
-`gita info` output. To use them, edit `$XDG_CONFIG_HOME/gita/extra_repo_info.py`.
-
 ## Requirements
 
 Gita requires Python 3.6 or higher, due to the use of
 [f-string](https://www.python.org/dev/peps/pep-0498/)
 and [asyncio module](https://docs.python.org/3.6/library/asyncio.html).
 
-Under the hood, gita uses subprocess to run git commands/aliases.
+Under the hood, gita uses `subprocess` to run git commands/aliases.
 Thus the installed git version may matter.
 I have git `1.8.3.1`, `2.17.2`, and `2.20.1` on my machines, and
 their results agree.
@@ -243,18 +258,6 @@ A step-by-step guide to reproduce this project is [here](https://nosarthur.githu
 
 You can also sponsor me on [GitHub](https://github.com/sponsors/nosarthur). Any amount is appreciated!
 
-## Contributors
-
-[![nosarthur](https://github.com/nosarthur.png?size=40 "nosarthur")](https://github.com/nosarthur)
-[![mc0239](https://github.com/mc0239.png?size=40 "mc0239")](https://github.com/mc0239)
-[![dgrant](https://github.com/dgrant.png?size=40 "dgrant")](https://github.com/dgrant)
-[![samibh](https://github.com/github.png?size=40 "samibh")](https://github.com/samibh)
-[![wbrn](https://github.com/wbrn.png?size=40 "wbrn")](https://github.com/wbrn)
-[![TpOut](https://github.com/TpOut.png?size=40 "TpOut")](https://github.com/TpOut)
-[![PabloCastellano](https://github.com/PabloCastellano.png?size=40 "PabloCastellano")](https://github.com/PabloCastellano)
-[![cd3](https://github.com/cd3.png?size=40 "cd3")](https://github.com/cd3)
-[![Steve-Xyh](https://github.com/Steve-Xyh.png?size=40 "Steve-Xyh")](https://github.com/Steve-Xyh)
-
 ## Other multi-repo tools
 
 I haven't tried them but I heard good things about them.
diff --git a/doc/README_CN.md b/doc/README_CN.md
index 051bbe8..80d1ccd 100644
--- a/doc/README_CN.md
+++ b/doc/README_CN.md
@@ -14,7 +14,7 @@
 | | ____   | |     | |  |  ___  |
 | | \_  )  | |     | |  | (   ) |
 | (___) |__) (___  | |  | )   ( |
-(_______)_______/  )_(  |/     \|   v0.11
+(_______)_______/  )_(  |/     \|   v0.12
 ```
 
 # Gita：一个管理多个 git 库的命令行工具
diff --git a/gita/__main__.py b/gita/__main__.py
index 9a24bb9..beecab2 100644
--- a/gita/__main__.py
+++ b/gita/__main__.py
@@ -44,7 +44,11 @@ def f_color(args: argparse.Namespace):
     if cmd == 'll':  # pragma: no cover
         info.show_colors()
     elif cmd == 'set':
-        print('not implemented')
+        colors = info.get_color_encoding()
+        colors[args.situation] = info.Color[args.color].value
+        yml_config = common.get_config_fname('color.yml')
+        with open(yml_config, 'w') as f:
+              yaml.dump(colors, f, default_flow_style=None)
 
 
 def f_info(args: argparse.Namespace):
@@ -68,6 +72,23 @@ def f_info(args: argparse.Namespace):
               yaml.dump(to_display, f, default_flow_style=None)
 
 
+def f_clone(args: argparse.Namespace):
+    path = Path.cwd()
+    errors = utils.exec_async_tasks(
+            utils.run_async(repo_name, path, ['git', 'clone', url])
+            for url, repo_name, _ in utils.parse_clone_config(args.fname))
+
+
+def f_freeze(_):
+    repos = utils.get_repos()
+    for name, path in repos.items():
+        url = ''
+        cp = subprocess.run(['git', 'remote', '-v'], cwd=path, capture_output=True)
+        if cp.returncode == 0:
+            url = cp.stdout.decode('utf-8').split('\n')[0].split()[1]
+        print(f'{url},{name},{path}')
+
+
 def f_ll(args: argparse.Namespace):
     """
     Display details of all repos
@@ -108,8 +129,11 @@ def f_group(args: argparse.Namespace):
         del groups[gname]
         utils.write_to_groups_file(groups, 'w')
     elif cmd == 'rm':
+        ctx = utils.get_context()
         for name in args.to_ungroup:
             del groups[name]
+            if ctx and str(ctx.stem) == name:
+                ctx.unlink()
         utils.write_to_groups_file(groups, 'w')
     elif cmd == 'add':
         gname = args.gname
@@ -120,6 +144,15 @@ def f_group(args: argparse.Namespace):
             utils.write_to_groups_file(groups, 'w')
         else:
             utils.write_to_groups_file({gname: sorted(args.to_group)}, 'a+')
+    elif cmd == 'rmrepo':
+        gname = args.gname
+        if gname in groups:
+            for repo in args.from_group:
+                try:
+                    groups[gname].remove(repo)
+                except ValueError as e:
+                    pass
+            utils.write_to_groups_file(groups, 'w')
 
 
 def f_context(args: argparse.Namespace):
@@ -189,6 +222,42 @@ def f_git_cmd(args: argparse.Namespace):
                 subprocess.run(cmds, cwd=path)
 
 
+def f_shell(args):
+    """
+    Delegate shell command defined in `args.man`, which may or may not
+    contain repo names.
+    """
+    names = []
+    repos = utils.get_repos()
+    groups = utils.get_groups()
+    ctx = utils.get_context()
+    for i, word in enumerate(args.man):
+        if word in repos or word in groups:
+            names.append(word)
+        else:
+            break
+    args.repo = names
+    # TODO: redundant with f_git_cmd
+    if not args.repo and ctx:
+        args.repo = [ctx.stem]
+    if args.repo:  # with user specified repo(s) or group(s)
+        chosen = {}
+        for k in args.repo:
+            if k in repos:
+                chosen[k] = repos[k]
+            if k in groups:
+                for r in groups[k]:
+                    chosen[r] = repos[r]
+        repos = chosen
+    cmds = args.man[i:]
+    for name, path in repos.items():
+        # TODO: pull this out as a function
+        got = subprocess.run(cmds, cwd=path, check=True,
+                stdout=subprocess.PIPE,
+                stderr=subprocess.STDOUT)
+        print(utils.format_output(got.stdout.decode(), name))
+
+
 def f_super(args):
     """
     Delegate git command/alias defined in `args.man`, which may or may not
@@ -221,32 +290,40 @@ def main(argv=None):
                    version=f'%(prog)s {version}')
 
     # bookkeeping sub-commands
-    p_add = subparsers.add_parser('add', help='add repo(s)')
-    p_add.add_argument('paths', nargs='+', help="add repo(s)")
+    p_add = subparsers.add_parser('add', description='add repo(s)',
+            help='add repo(s)')
+    p_add.add_argument('paths', nargs='+', help="repo(s) to add")
     p_add.add_argument('-r', dest='recursive', action='store_true',
             help="recursively add repo(s) in the given path.")
     p_add.set_defaults(func=f_add)
 
-    p_rm = subparsers.add_parser('rm', help='remove repo(s)')
+    p_rm = subparsers.add_parser('rm', description='remove repo(s)',
+            help='remove repo(s)')
     p_rm.add_argument('repo',
                       nargs='+',
                       choices=utils.get_repos(),
                       help="remove the chosen repo(s)")
     p_rm.set_defaults(func=f_rm)
 
-    p_rename = subparsers.add_parser('rename', help='rename a repo')
+    p_freeze = subparsers.add_parser('freeze', description='print all repo information')
+    p_freeze.set_defaults(func=f_freeze)
+
+    p_clone = subparsers.add_parser('clone', description='clone repos from config file')
+    p_clone.add_argument('fname',
+            help='config file. Its content should be the output of `gita freeze`.')
+    p_clone.set_defaults(func=f_clone)
+
+    p_rename = subparsers.add_parser('rename', description='rename a repo')
     p_rename.add_argument(
         'repo',
         nargs=1,
         choices=utils.get_repos(),
         help="rename the chosen repo")
-    p_rename.add_argument(
-        'new_name',
-        help="new name")
+    p_rename.add_argument('new_name', help="new name")
     p_rename.set_defaults(func=f_rename)
 
     p_color = subparsers.add_parser('color',
-            help='display and modify branch coloring of the ll sub-command.')
+            description='display and modify branch coloring of the ll sub-command.')
     p_color.set_defaults(func=f_color)
     color_cmds = p_color.add_subparsers(dest='color_cmd',
             help='additional help with sub-command -h')
@@ -262,7 +339,7 @@ def main(argv=None):
                     help="available colors")
 
     p_info = subparsers.add_parser('info',
-            help='list, add, or remove information items of the ll sub-command.')
+            description='list, add, or remove information items of the ll sub-command.')
     p_info.set_defaults(func=f_info)
     info_cmds = p_info.add_subparsers(dest='info_cmd',
             help='additional help with sub-command -h')
@@ -297,12 +374,12 @@ def main(argv=None):
                       nargs='?',
                       choices=utils.get_groups(),
                       help="show repos in the chosen group")
-    p_ll.add_argument('-n', '--no-colors', action='store_true',
+    p_ll.add_argument('-C', '--no-colors', action='store_true',
             help='Disable coloring on the branch names.')
     p_ll.set_defaults(func=f_ll)
 
     p_context = subparsers.add_parser('context',
-            help='Set and remove context. A context is a group.'
+            description='Set and remove context. A context is a group.'
                 ' When set, all operations apply only to repos in that group.')
     p_context.add_argument('choice',
                       nargs='?',
@@ -311,7 +388,7 @@ def main(argv=None):
     p_context.set_defaults(func=f_context)
 
     p_ls = subparsers.add_parser(
-        'ls', help='display names of all repos, or path of a chosen repo')
+        'ls', description='display names of all repos, or path of a chosen repo')
     p_ls.add_argument('repo',
                       nargs='?',
                       choices=utils.get_repos(),
@@ -319,7 +396,7 @@ def main(argv=None):
     p_ls.set_defaults(func=f_ls)
 
     p_group = subparsers.add_parser(
-        'group', help='list, add, or remove repo group(s)')
+        'group', description='list, add, or remove repo group(s)')
     p_group.set_defaults(func=f_group)
     group_cmds = p_group.add_subparsers(dest='group_cmd',
             help='additional help with sub-command -h')
@@ -336,6 +413,17 @@ def main(argv=None):
                     metavar='group-name',
                     required=True,
                     help="group name")
+    pg_rmrepo = group_cmds.add_parser('rmrepo', description='remove repo(s) from a group.')
+    pg_rmrepo.add_argument('from_group',
+                    nargs='+',
+                    metavar='repo',
+                    choices=utils.get_repos(),
+                    help="repo(s) to be removed from the group")
+    pg_rmrepo.add_argument('-n', '--name',
+                    dest='gname',
+                    metavar='group-name',
+                    required=True,
+                    help="group name")
     pg_rename = group_cmds.add_parser('rename', description='Change group name.')
     pg_rename.add_argument('gname', metavar='group-name',
                     choices=utils.get_groups(),
@@ -351,7 +439,7 @@ def main(argv=None):
     # superman mode
     p_super = subparsers.add_parser(
         'super',
-        help='superman mode: delegate any git command/alias in specified or '
+        description='Superman mode: delegate any git command/alias in specified or '
         'all repo(s).\n'
         'Examples:\n \t gita super myrepo1 commit -am "fix a bug"\n'
         '\t gita super repo1 repo2 repo3 checkout new-feature')
@@ -363,6 +451,21 @@ def main(argv=None):
         "Another: gita super checkout master ")
     p_super.set_defaults(func=f_super)
 
+    # shell mode
+    p_shell = subparsers.add_parser(
+        'shell',
+        description='shell mode: delegate any shell command in specified or '
+        'all repo(s).\n'
+        'Examples:\n \t gita shell pwd\n'
+        '\t gita shell repo1 repo2 repo3 touch xx')
+    p_shell.add_argument(
+        'man',
+        nargs=argparse.REMAINDER,
+        help="execute arbitrary shell command for specified or all repos "
+        "Example: gita shell myrepo1 ls"
+        "Another: gita shell git checkout master ")
+    p_shell.set_defaults(func=f_shell)
+
     # sub-commands that fit boilerplate
     cmds = utils.get_cmds_from_files()
     for name, data in cmds.items():
@@ -376,7 +479,7 @@ def main(argv=None):
             choices = utils.get_repos().keys() | utils.get_groups().keys()
             nargs = '+'
         help += ' for the chosen repo(s) or group(s)'
-        sp = subparsers.add_parser(name, help=help)
+        sp = subparsers.add_parser(name, description=help)
         sp.add_argument('repo', nargs=nargs, choices=choices, help=help)
         sp.set_defaults(func=f_git_cmd, cmd=cmd.split())
 
diff --git a/gita/info.py b/gita/info.py
index 473127a..a8044e9 100644
--- a/gita/info.py
+++ b/gita/info.py
@@ -37,29 +37,36 @@ def show_colors():  # pragma: no cover
     """
 
     """
+    names = {c.value: c.name for c in Color}
     for i, c in enumerate(Color, start=1):
         if c != Color.end:
             print(f'{c.value}{c.name:<8} ', end='')
         if i % 9 == 0:
             print()
     print(f'{Color.end}')
-    for situation, c in get_color_encoding().items():
-        print(f'{situation:<12}: {c.value}{c.name:<8}{Color.end} ')
+    for situation, c in sorted(get_color_encoding().items()):
+        print(f'{situation:<12}: {c}{names[c]:<8}{Color.end} ')
 
 
 @lru_cache()
-def get_color_encoding():
+def get_color_encoding() -> Dict[str, str]:
     """
-
+    Return color scheme for different local/remote situations.
     """
-    # TODO: add config file
-    return {
-            'no-remote': Color.white,
-            'in-sync': Color.green,
-            'diverged': Color.red,
-            'local-ahead': Color.purple,
-            'remote-ahead': Color.yellow,
+    # custom settings
+    yml_config = Path(common.get_config_fname('color.yml'))
+    if yml_config.is_file():
+        with open(yml_config, 'r') as stream:
+            colors = yaml.load(stream, Loader=yaml.FullLoader)
+    else:
+        colors = {
+            'no-remote': Color.white.value,
+            'in-sync': Color.green.value,
+            'diverged': Color.red.value,
+            'local-ahead': Color.purple.value,
+            'remote-ahead': Color.yellow.value,
             }
+    return colors
 
 
 def get_info_funcs() -> List[Callable[[str], str]]:
@@ -82,20 +89,20 @@ def get_info_items() -> List[str]:
     """
     Return the information items to be displayed in the `gita ll` command.
     """
-    # default settings
-    display_items = ['branch', 'commit_msg']
-
     # custom settings
     yml_config = Path(common.get_config_fname('info.yml'))
     if yml_config.is_file():
         with open(yml_config, 'r') as stream:
             display_items = yaml.load(stream, Loader=yaml.FullLoader)
         display_items = [x for x in display_items if x in ALL_INFO_ITEMS]
+    else:
+        # default settings
+        display_items = ['branch', 'commit_msg']
     return display_items
 
 
 def get_path(path):
-    return Color.cyan + path + Color.end
+    return f'{Color.cyan}{path}{Color.end}'
 
 
 def get_head(path: str) -> str:
diff --git a/gita/utils.py b/gita/utils.py
index d30a82e..9572f02 100644
--- a/gita/utils.py
+++ b/gita/utils.py
@@ -4,7 +4,7 @@ import asyncio
 import platform
 from functools import lru_cache, partial
 from pathlib import Path
-from typing import List, Dict, Coroutine, Union
+from typing import List, Dict, Coroutine, Union, Iterator
 
 from . import info
 from . import common
@@ -60,7 +60,6 @@ def get_groups() -> Dict[str, List[str]]:
     return groups
 
 
-
 def get_choices() -> List[Union[str, None]]:
     """
     Return all repo names, group names, and an additional empty list. The empty
@@ -128,6 +127,8 @@ def write_to_groups_file(groups: Dict[str, List[str]], mode: str):
 def add_repos(repos: Dict[str, str], new_paths: List[str]):
     """
     Write new repo paths to file
+
+    @param repos: name -> path
     """
     existing_paths = set(repos.values())
     new_paths = set(os.path.abspath(p) for p in new_paths if is_git(p))
@@ -142,6 +143,15 @@ def add_repos(repos: Dict[str, str], new_paths: List[str]):
         print('No new repos found!')
 
 
+def parse_clone_config(fname: str) -> Iterator[List[str]]:
+    """
+    Return the url, name, and path of all repos in `fname`.
+    """
+    with open(fname) as f:
+        for line in f:
+            yield line.strip().split(',')
+
+
 async def run_async(repo_name: str, path: str, cmds: List[str]) -> Union[None, str]:
     """
     Run `cmds` asynchronously in `path` directory. Return the `path` if
@@ -157,7 +167,7 @@ async def run_async(repo_name: str, path: str, cmds: List[str]) -> Union[None, s
     stdout, stderr = await process.communicate()
     for pipe in (stdout, stderr):
         if pipe:
-            print(format_output(pipe.decode(), f'{repo_name}: '))
+            print(format_output(pipe.decode(), repo_name))
     # The existence of stderr is not good indicator since git sometimes write
     # to stderr even if the execution is successful, e.g. git fetch
     if process.returncode != 0:
@@ -168,7 +178,7 @@ def format_output(s: str, prefix: str):
     """
     Prepends every line in given string with the given prefix.
     """
-    return ''.join([f'{prefix}{line}' for line in s.splitlines(keepends=True)])
+    return ''.join([f'{prefix}: {line}' for line in s.splitlines(keepends=True)])
 
 
 def exec_async_tasks(tasks: List[Coroutine]) -> List[Union[None, str]]:
diff --git a/setup.py b/setup.py
index ffe6ac6..c729963 100644
--- a/setup.py
+++ b/setup.py
@@ -7,7 +7,7 @@ with open('README.md', encoding='utf-8') as f:
 setup(
     name='gita',
     packages=['gita'],
-    version='0.11.9',
+    version='0.12.7',
     license='MIT',
     description='Manage multiple git repos with sanity',
     long_description=long_description,
@@ -33,6 +33,7 @@ setup(
         "Programming Language :: Python :: 3.6",
         "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
+        "Programming Language :: Python :: 3.9",
     ],
     include_package_data=True,
 )
diff --git a/tests/test_main.py b/tests/test_main.py
index 1c30eec..ad501f7 100644
--- a/tests/test_main.py
+++ b/tests/test_main.py
@@ -43,7 +43,7 @@ class TestLsLl:
         assert info.Color.end in out
 
         # no color on branch name
-        __main__.main(['ll', '-n'])
+        __main__.main(['ll', '-C'])
         out, err = capfd.readouterr()
         assert err == ''
         assert 'gita' in out
@@ -95,6 +95,16 @@ class TestLsLl:
         assert out == expected
 
 
+@patch('subprocess.run')
+@patch('gita.utils.get_repos', return_value={'repo1': '/a/', 'repo2': '/b/'})
+def test_freeze(_, mock_run, capfd):
+    __main__.main(['freeze'])
+    assert mock_run.call_count == 2
+    out, err = capfd.readouterr()
+    assert err == ''
+    assert out == ',repo1,/a/\n,repo2,/b/\n'
+
+
 @patch('os.path.isfile', return_value=True)
 @patch('gita.common.get_config_fname', return_value='some path')
 @patch('gita.utils.get_repos', return_value={'repo1': '/a/', 'repo2': '/b/'})
@@ -149,6 +159,20 @@ def test_superman(mock_run, _, input):
     mock_run.assert_called_once_with(expected_cmds, cwd='path7')
 
 
+@pytest.mark.parametrize('input', [
+    'diff --name-only --staged',
+    "commit -am 'lala kaka'",
+])
+@patch('gita.utils.get_repos', return_value={'repo7': 'path7'})
+@patch('subprocess.run')
+def test_shell(mock_run, _, input):
+    mock_run.reset_mock()
+    args = ['shell', 'repo7'] + shlex.split(input)
+    __main__.main(args)
+    expected_cmds = shlex.split(input)
+    mock_run.assert_called_once_with(expected_cmds, cwd='path7', check=True, stderr=-2, stdout=-1)
+
+
 class TestContext:
 
     @patch('gita.utils.get_context', return_value=None)
@@ -273,6 +297,19 @@ class TestGroupCmd:
         mock_write.assert_called_once_with(
                 {'xx': ['a', 'b', 'c'], 'yy': ['a', 'c', 'd']}, 'w')
 
+    @patch('gita.utils.get_repos', return_value={'a': '', 'b': '', 'c': '', 'd': ''})
+    @patch('gita.common.get_config_fname', return_value=GROUP_FNAME)
+    @patch('gita.utils.write_to_groups_file')
+    def testRmRepo(self, mock_write, *_):
+        args = argparse.Namespace()
+        args.from_group = ['a', 'c']
+        args.group_cmd = 'rmrepo'
+        args.gname = 'xx'
+        utils.get_groups.cache_clear()
+        __main__.f_group(args)
+        mock_write.assert_called_once_with(
+                {'xx': ['b'], 'yy': ['a', 'c', 'd']}, 'w')
+
 
 @patch('gita.utils.is_git', return_value=True)
 @patch('gita.common.get_config_fname', return_value=PATH_FNAME)