Merging upstream version 0.11.9.

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

11 files changed, 528 insertions, 157 deletions

diff --git a/README.md b/README.md
index d6efa14..a545b64 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,7 @@
 | | ____   | |     | |  |  ___  |
 | | \_  )  | |     | |  | (   ) |
 | (___) |__) (___  | |  | )   ( |
-(_______)_______/  )_(  |/     \|   v0.10
+(_______)_______/  )_(  |/     \|   v0.11
 ```
 
 # Gita: a command-line tool to manage multiple git repos
@@ -29,7 +29,14 @@ I also hate to change directories to execute git commands.
 
 ![gita screenshot](https://github.com/nosarthur/gita/raw/master/doc/screenshot.png)
 
-Here the branch color distinguishes 5 situations between local and remote branches:
+In the screenshot, the `gita remote nowhub` command translates to `git remote -v`
+for the `nowhub` 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).
+
+The branch color distinguishes 5 situations between local and remote branches:
 
 - white: local has no remote
 - green: local is the same as remote
@@ -50,32 +57,50 @@ The additional status symbols denote
 The bookkeeping sub-commands are
 
 - `gita add <repo-path(s)>`: add repo(s) to `gita`
-- `gita rm <repo-name(s)>`: remove repo(s) from `gita` (won't remove files from disk)
-- `gita group`: show grouping of the repos
-- `gita group <repo-name(s)>`: group repos
-- `gita ungroup <repo-name(s)>`: remove grouping for repos
+- `gita context`: context sub-command
+    - `gita context`: show current context
+    - `gita context none`: remove context
+    - `gita context <group-name>`: set context to `group-name`, all operations then only apply to repos in this group
+- `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 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 info`: info sub-command
+    - `gita info [ll]`: display the used and unused information items
+    - `gita info add <info-item>`: enable information item
+    - `gita info rm <info-item>`: disable information item
 - `gita ll`: display the status of all repos
 - `gita ll <group-name>`: display the status of repos in a group
 - `gita ls`: display the names of all repos
 - `gita ls <repo-name>`: display the absolute path of one repo
 - `gita rename <repo-name> <new-name>`: rename a repo
-- `gita info`: display the used and unused information items
+- `gita rm <repo-name(s)>`: remove repo(s) from `gita` (won't remove files from disk)
 - `gita -v`: display gita version
 
-Repo paths are saved in `$XDG_CONFIG_HOME/gita/repo_path` (most likely `~/.config/gita/repo_path`).
-
 The 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.
+  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.
+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).
 
 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.
 
+Repo paths are saved in `$XDG_CONFIG_HOME/gita/repo_path` (most likely `~/.config/gita/repo_path`).
+
 ## Installation
 
 To install the latest version, run
@@ -110,7 +135,7 @@ or
 [.gita-completion.zsh](https://github.com/nosarthur/gita/blob/master/.gita-completion.zsh)
 and source it in the .rc file.
 
-## Superman mode
+## <a name='superman'></a> Superman mode
 
 The superman mode delegates any git command/alias.
 Usage:
@@ -126,7 +151,7 @@ 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`
 
-## Customization
+## <a name='custom'></a> Customization
 
 Custom delegating sub-commands can be defined in `$XDG_CONFIG_HOME/gita/cmds.yml`
 (most likely `~/.config/gita/cmds.yml`).
@@ -164,8 +189,11 @@ comaster:
 
 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 `$XDG_CONFIG_HOME/gita/info.yml` to customize it. For example, the
-default information items setting corresponds to
+create `$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.)
+
+For example, the default information items setting corresponds to
 
 ```yaml
 - branch
diff --git a/doc/README_CN.md b/doc/README_CN.md
index 433aaec..051bbe8 100644
--- a/doc/README_CN.md
+++ b/doc/README_CN.md
@@ -14,7 +14,7 @@
 | | ____   | |     | |  |  ___  |
 | | \_  )  | |     | |  | (   ) |
 | (___) |__) (___  | |  | )   ( |
-(_______)_______/  )_(  |/     \|   v0.10
+(_______)_______/  )_(  |/     \|   v0.11
 ```
 
 # Gita：一个管理多个 git 库的命令行工具
@@ -46,15 +46,23 @@
 基础指令：
 
 - `gita add <repo-path(s)>`: 添加库
-- `gita rm <repo-name(s)>`: 移除库（不会删除文件）
-- `gita group`: 显示库的组群
-- `gita group` <repo-name(s)>: 将库分组
+- `gita context`: 情境命令
+    - `gita context`: 显示当前的情境
+    - `gita context none`: 去除情境
+    - `gita context <group-name>`: 把情境设置成`group-name`, 之后所有的操作只作用到这个组里的库
+- `gita group`: 组群命令
+    - `gita group add <repo-name(s)>`: 把库加入新的或者已经存在的组
+    - `gita group [ll]`: 显示已有的组和它们的库
+    - `gita group ls`: 显示已有的组名
+    - `gita group rename <group-name> <new-name>`: 改组名
+    - `gita group rm group(s): 删除组
+- `gita info`: 显示已用的和未用的信息项
 - `gita ll`: 显示所有库的状态信息
 - `gita ll <group-name>`: 显示一个组群中库的状态信息
 - `gita ls`: 显示所有库的名字
 - `gita ls <repo-name>`: 显示一个库的绝对路径
 - `gita rename <repo-name> <new-name>`: 重命名一个库
-- `gita info`: 显示已用的和未用的信息项
+- `gita rm <repo-name(s)>`: 移除库（不会删除文件）
 - `gita -v`: 显示版本号
 
 库的路径存在`$XDG_CONFIG_HOME/gita/repo_path` (多半是`~/.config/gita/repo_path`)。
diff --git a/gita/__main__.py b/gita/__main__.py
index 6e47f8e..9a24bb9 100644
--- a/gita/__main__.py
+++ b/gita/__main__.py
@@ -15,16 +15,23 @@ https://github.com/nosarthur/gita/blob/master/.gita-completion.bash
 '''
 
 import os
+import sys
+import yaml
 import argparse
 import subprocess
 import pkg_resources
+from itertools import chain
+from pathlib import Path
 
-from . import utils, info
+from . import utils, info, common
 
 
 def f_add(args: argparse.Namespace):
     repos = utils.get_repos()
-    utils.add_repos(repos, args.paths)
+    paths = args.paths
+    if args.recursive:
+        paths = chain.from_iterable(Path(p).glob('**') for p in args.paths)
+    utils.add_repos(repos, paths)
 
 
 def f_rename(args: argparse.Namespace):
@@ -32,12 +39,33 @@ def f_rename(args: argparse.Namespace):
     utils.rename_repo(repos, args.repo[0], args.new_name)
 
 
-def f_info(_):
-    all_items, to_display = info.get_info_items()
-    print('In use:', ','.join(to_display))
-    unused = set(all_items) - set(to_display)
-    if unused:
-        print('Unused:', ' '.join(unused))
+def f_color(args: argparse.Namespace):
+    cmd = args.color_cmd or 'll'
+    if cmd == 'll':  # pragma: no cover
+        info.show_colors()
+    elif cmd == 'set':
+        print('not implemented')
+
+
+def f_info(args: argparse.Namespace):
+    to_display = info.get_info_items()
+    cmd = args.info_cmd or 'll'
+    if cmd == 'll':
+        print('In use:', ','.join(to_display))
+        unused = set(info.ALL_INFO_ITEMS) - set(to_display)
+        if unused:
+            print('Unused:', ' '.join(unused))
+        return
+    if cmd == 'add' and args.info_item not in to_display:
+        to_display.append(args.info_item)
+        yml_config = common.get_config_fname('info.yml')
+        with open(yml_config, 'w') as f:
+              yaml.dump(to_display, f, default_flow_style=None)
+    elif cmd == 'rm' and args.info_item in to_display:
+        to_display.remove(args.info_item)
+        yml_config = common.get_config_fname('info.yml')
+        with open(yml_config, 'w') as f:
+              yaml.dump(to_display, f, default_flow_style=None)
 
 
 def f_ll(args: argparse.Namespace):
@@ -45,10 +73,13 @@ def f_ll(args: argparse.Namespace):
     Display details of all repos
     """
     repos = utils.get_repos()
+    ctx = utils.get_context()
+    if args.group is None and ctx:
+        args.group = ctx.stem
     if args.group:  # only display repos in this group
         group_repos = utils.get_groups()[args.group]
         repos = {k: repos[k] for k in group_repos if k in repos}
-    for line in utils.describe(repos):
+    for line in utils.describe(repos, no_colors=args.no_colors):
         print(line)
 
 
@@ -62,8 +93,26 @@ def f_ls(args: argparse.Namespace):
 
 def f_group(args: argparse.Namespace):
     groups = utils.get_groups()
-    if args.to_group:
-        gname = input('group name? ')
+    cmd = args.group_cmd or 'll'
+    if cmd == 'll':
+        for group, repos in groups.items():
+            print(f"{group}: {' '.join(repos)}")
+    elif cmd == 'ls':
+        print(' '.join(groups))
+    elif cmd == 'rename':
+        new_name = args.new_name
+        if new_name in groups:
+            sys.exit(f'{new_name} already exists.')
+        gname = args.gname
+        groups[new_name] = groups[gname]
+        del groups[gname]
+        utils.write_to_groups_file(groups, 'w')
+    elif cmd == 'rm':
+        for name in args.to_ungroup:
+            del groups[name]
+        utils.write_to_groups_file(groups, 'w')
+    elif cmd == 'add':
+        gname = args.gname
         if gname in groups:
             gname_repos = set(groups[gname])
             gname_repos.update(args.to_group)
@@ -71,31 +120,32 @@ 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+')
-    else:
-        for group, repos in groups.items():
-            print(f"{group}: {' '.join(repos)}")
 
 
-def f_ungroup(args: argparse.Namespace):
-    groups = utils.get_groups()
-    to_ungroup = set(args.to_ungroup)
-    to_del = []
-    for name, repos in groups.items():
-        remaining = set(repos) - to_ungroup
-        if remaining:
-            groups[name] = list(sorted(remaining))
+def f_context(args: argparse.Namespace):
+    choice = args.choice
+    ctx = utils.get_context()
+    if choice is None:
+        if ctx:
+            group = ctx.stem
+            print(f"{group}: {' '.join(utils.get_groups()[group])}")
+        else:
+            print('Context is not set')
+    elif choice == 'none':  # remove context
+        ctx and ctx.unlink()
+    else:  # set context
+        fname = Path(common.get_config_dir()) / (choice + '.context')
+        if ctx:
+            ctx.rename(fname)
         else:
-            to_del.append(name)
-    for name in to_del:
-        del groups[name]
-    utils.write_to_groups_file(groups, 'w')
+            open(fname, 'w').close()
 
 
 def f_rm(args: argparse.Namespace):
     """
     Unregister repo(s) from gita
     """
-    path_file = utils.get_config_fname('repo_path')
+    path_file = common.get_config_fname('repo_path')
     if os.path.isfile(path_file):
         repos = utils.get_repos()
         for repo in args.repo:
@@ -110,6 +160,9 @@ def f_git_cmd(args: argparse.Namespace):
     """
     repos = utils.get_repos()
     groups = utils.get_groups()
+    ctx = utils.get_context()
+    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:
@@ -170,6 +223,8 @@ def main(argv=None):
     # 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.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)')
@@ -190,8 +245,38 @@ def main(argv=None):
         help="new name")
     p_rename.set_defaults(func=f_rename)
 
-    p_info = subparsers.add_parser('info', help='show information items of the ll sub-command')
+    p_color = subparsers.add_parser('color',
+            help='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')
+    color_cmds.add_parser('ll',
+            description='display available colors and the current branch coloring in the ll sub-command')
+    pc_set = color_cmds.add_parser('set',
+                description='Set color for local/remote situation.')
+    pc_set.add_argument('situation',
+                    choices=info.get_color_encoding(),
+                    help="5 possible local/remote situations")
+    pc_set.add_argument('color',
+                    choices=[c.name for c in info.Color],
+                    help="available colors")
+
+    p_info = subparsers.add_parser('info',
+            help='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')
+    info_cmds.add_parser('ll',
+            description='show used and unused information items of the ll sub-command')
+    info_cmds.add_parser('add', description='Enable information item.'
+            ).add_argument('info_item',
+                    choices=('branch', 'commit_msg', 'path'),
+                    help="information item to add")
+    info_cmds.add_parser('rm', description='Disable information item.'
+            ).add_argument('info_item',
+                    choices=('branch', 'commit_msg', 'path'),
+                    help="information item to delete")
+
 
     ll_doc = f'''  status symbols:
     +: staged changes
@@ -212,8 +297,19 @@ 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',
+            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.'
+                ' When set, all operations apply only to repos in that group.')
+    p_context.add_argument('choice',
+                      nargs='?',
+                      choices=set().union(utils.get_groups(), {'none'}),
+                      help="Without argument, show current context. Otherwise choose a group as context. To remove context, use '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')
     p_ls.add_argument('repo',
@@ -223,21 +319,34 @@ def main(argv=None):
     p_ls.set_defaults(func=f_ls)
 
     p_group = subparsers.add_parser(
-        'group', help='group repos or display names of all groups if no repo is provided')
-    p_group.add_argument('to_group',
-                      nargs='*',
-                      choices=utils.get_choices(),
-                      help="repo(s) to be grouped")
+        'group', help='list, add, or remove repo group(s)')
     p_group.set_defaults(func=f_group)
-
-    p_ungroup = subparsers.add_parser(
-        'ungroup', help='remove group information for repos',
-        description="Remove group information on repos")
-    p_ungroup.add_argument('to_ungroup',
-                      nargs='+',
-                      choices=utils.get_repos(),
-                      help="repo(s) to be ungrouped")
-    p_ungroup.set_defaults(func=f_ungroup)
+    group_cmds = p_group.add_subparsers(dest='group_cmd',
+            help='additional help with sub-command -h')
+    group_cmds.add_parser('ll', description='List all groups with repos.')
+    group_cmds.add_parser('ls', description='List all group names.')
+    pg_add = group_cmds.add_parser('add', description='Add repo(s) to a group.')
+    pg_add.add_argument('to_group',
+                    nargs='+',
+                    metavar='repo',
+                    choices=utils.get_repos(),
+                    help="repo(s) to be grouped")
+    pg_add.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(),
+                    help="existing group to rename")
+    pg_rename.add_argument('new_name', metavar='new-name',
+                    help="new group name")
+    group_cmds.add_parser('rm',
+            description='Remove group(s).').add_argument('to_ungroup',
+                    nargs='+',
+                    choices=utils.get_groups(),
+                    help="group(s) to delete")
 
     # superman mode
     p_super = subparsers.add_parser(
diff --git a/gita/common.py b/gita/common.py
index 0a271fc..ef3933d 100644
--- a/gita/common.py
+++ b/gita/common.py
@@ -6,3 +6,11 @@ def get_config_dir() -> str:
         os.path.expanduser('~'), '.config')
     root = os.path.join(parent, "gita")
     return root
+
+
+def get_config_fname(fname: str) -> str:
+    """
+    Return the file name that stores the repo locations.
+    """
+    root = get_config_dir()
+    return os.path.join(root, fname)
diff --git a/gita/info.py b/gita/info.py
index 18d20fd..473127a 100644
--- a/gita/info.py
+++ b/gita/info.py
@@ -2,14 +2,19 @@ import os
 import sys
 import yaml
 import subprocess
+from enum import Enum
+from pathlib import Path
+from functools import lru_cache
 from typing import Tuple, List, Callable, Dict
+
 from . import common
 
 
-class Color:
+class Color(str, Enum):
     """
     Terminal color
     """
+    black = '\x1b[30m'
     red = '\x1b[31m'  # local diverges from remote
     green = '\x1b[32m'  # local == remote
     yellow = '\x1b[33m'  # local is behind
@@ -18,6 +23,43 @@ class Color:
     cyan = '\x1b[36m'
     white = '\x1b[37m'  # no remote branch
     end = '\x1b[0m'
+    b_black = '\x1b[30;1m'
+    b_red = '\x1b[31;1m'
+    b_green = '\x1b[32;1m'
+    b_yellow = '\x1b[33;1m'
+    b_blue = '\x1b[34;1m'
+    b_purple = '\x1b[35;1m'
+    b_cyan = '\x1b[36;1m'
+    b_white = '\x1b[37;1m'
+
+
+def show_colors():  # pragma: no cover
+    """
+
+    """
+    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} ')
+
+
+@lru_cache()
+def get_color_encoding():
+    """
+
+    """
+    # TODO: add config file
+    return {
+            'no-remote': Color.white,
+            'in-sync': Color.green,
+            'diverged': Color.red,
+            'local-ahead': Color.purple,
+            'remote-ahead': Color.yellow,
+            }
 
 
 def get_info_funcs() -> List[Callable[[str], str]]:
@@ -26,35 +68,30 @@ def get_info_funcs() -> List[Callable[[str], str]]:
     take the repo path as input and return the corresponding information as str.
     See `get_path`, `get_repo_status`, `get_common_commit` for examples.
     """
-    info_items, to_display = get_info_items()
-    return [info_items[k] for k in to_display]
+    to_display = get_info_items()
+    # This re-definition is to make unit test mocking to work
+    all_info_items = {
+            'branch': get_repo_status,
+            'commit_msg': get_commit_msg,
+            'path': get_path,
+        }
+    return [all_info_items[k] for k in to_display]
 
 
-def get_info_items() -> Tuple[Dict[str, Callable[[str], str]], List[str]]:
+def get_info_items() -> List[str]:
     """
-    Return the available information items for display in the `gita ll`
-    sub-command, and the ones to be displayed.
-    It loads custom information functions and configuration if they exist.
+    Return the information items to be displayed in the `gita ll` command.
     """
     # default settings
-    info_items = {'branch': get_repo_status,
-            'commit_msg': get_commit_msg,
-            'path': get_path, }
     display_items = ['branch', 'commit_msg']
 
     # custom settings
-    root = common.get_config_dir()
-    src_fname = os.path.join(root, 'extra_repo_info.py')
-    yml_fname = os.path.join(root, 'info.yml')
-    if os.path.isfile(src_fname):
-        sys.path.append(root)
-        from extra_repo_info import extra_info_items
-        info_items.update(extra_info_items)
-    if os.path.isfile(yml_fname):
-        with open(yml_fname, 'r') as stream:
+    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 info_items]
-    return info_items, display_items
+        display_items = [x for x in display_items if x in ALL_INFO_ITEMS]
+    return display_items
 
 
 def get_path(path):
@@ -113,13 +150,15 @@ def get_commit_msg(path: str) -> str:
     return result.stdout.strip()
 
 
-def get_repo_status(path: str) -> str:
+def get_repo_status(path: str, no_colors=False) -> str:
     head = get_head(path)
-    dirty, staged, untracked, color = _get_repo_status(path)
-    return f'{color}{head+" "+dirty+staged+untracked:<10}{Color.end}'
+    dirty, staged, untracked, color = _get_repo_status(path, no_colors)
+    if color:
+        return f'{color}{head+" "+dirty+staged+untracked:<10}{Color.end}'
+    return f'{head+" "+dirty+staged+untracked:<10}'
 
 
-def _get_repo_status(path: str) -> Tuple[str]:
+def _get_repo_status(path: str, no_colors: bool) -> Tuple[str]:
     """
     Return the status of one repo
     """
@@ -128,19 +167,30 @@ def _get_repo_status(path: str) -> Tuple[str]:
     staged = '+' if run_quiet_diff(['--cached']) else ''
     untracked = '_' if has_untracked() else ''
 
+    if no_colors:
+        return dirty, staged, untracked, ''
+
+    colors = get_color_encoding()
     diff_returncode = run_quiet_diff(['@{u}', '@{0}'])
     has_no_remote = diff_returncode == 128
     has_no_diff = diff_returncode == 0
     if has_no_remote:
-        color = Color.white
+        color = colors['no-remote']
     elif has_no_diff:
-        color = Color.green
+        color = colors['in-sync']
     else:
         common_commit = get_common_commit()
         outdated = run_quiet_diff(['@{u}', common_commit])
         if outdated:
             diverged = run_quiet_diff(['@{0}', common_commit])
-            color = Color.red if diverged else Color.yellow
+            color = colors['diverged'] if diverged else colors['remote-ahead']
         else:  # local is ahead of remote
-            color = Color.purple
+            color = colors['local-ahead']
     return dirty, staged, untracked, color
+
+
+ALL_INFO_ITEMS = {
+        'branch': get_repo_status,
+        'commit_msg': get_commit_msg,
+        'path': get_path,
+        }
diff --git a/gita/utils.py b/gita/utils.py
index d14484a..d30a82e 100644
--- a/gita/utils.py
+++ b/gita/utils.py
@@ -2,19 +2,23 @@ import os
 import yaml
 import asyncio
 import platform
-from functools import lru_cache
+from functools import lru_cache, partial
+from pathlib import Path
 from typing import List, Dict, Coroutine, Union
 
 from . import info
 from . import common
 
 
-def get_config_fname(fname: str) -> str:
+@lru_cache()
+def get_context() -> Union[Path, None]:
     """
-    Return the file name that stores the repo locations.
+    Return the context: either a group name or 'none'
     """
-    root = common.get_config_dir()
-    return os.path.join(root, fname)
+    config_dir = Path(common.get_config_dir())
+    matches = list(config_dir.glob('*.context'))
+    assert len(matches) < 2, "Cannot have multiple .context file"
+    return matches[0] if matches else None
 
 
 @lru_cache()
@@ -22,7 +26,7 @@ def get_repos() -> Dict[str, str]:
     """
     Return a `dict` of repo name to repo absolute path
     """
-    path_file = get_config_fname('repo_path')
+    path_file = common.get_config_fname('repo_path')
     repos = {}
     # Each line is a repo path and repo name separated by ,
     if os.path.isfile(path_file) and os.stat(path_file).st_size > 0:
@@ -47,7 +51,7 @@ def get_groups() -> Dict[str, List[str]]:
     """
     Return a `dict` of group name to repo names.
     """
-    fname = get_config_fname('groups.yml')
+    fname = common.get_config_fname('groups.yml')
     groups = {}
     # Each line is a repo path and repo name separated by ,
     if os.path.isfile(fname) and os.stat(fname).st_size > 0:
@@ -102,7 +106,7 @@ def write_to_repo_file(repos: Dict[str, str], mode: str):
     """
     """
     data = ''.join(f'{path},{name}\n' for name, path in repos.items())
-    fname = get_config_fname('repo_path')
+    fname = common.get_config_fname('repo_path')
     os.makedirs(os.path.dirname(fname), exist_ok=True)
     with open(fname, mode) as f:
         f.write(data)
@@ -112,10 +116,13 @@ def write_to_groups_file(groups: Dict[str, List[str]], mode: str):
     """
 
     """
-    fname = get_config_fname('groups.yml')
+    fname = common.get_config_fname('groups.yml')
     os.makedirs(os.path.dirname(fname), exist_ok=True)
-    with open(fname, mode) as f:
-        yaml.dump(groups, f, default_flow_style=None)
+    if not groups:  # all groups are deleted
+        open(fname, 'w').close()
+    else:
+        with open(fname, mode) as f:
+            yaml.dump(groups, f, default_flow_style=None)
 
 
 def add_repos(repos: Dict[str, str], new_paths: List[str]):
@@ -182,17 +189,23 @@ def exec_async_tasks(tasks: List[Coroutine]) -> List[Union[None, str]]:
     return errors
 
 
-def describe(repos: Dict[str, str]) -> str:
+def describe(repos: Dict[str, str], no_colors: bool=False) -> str:
     """
     Return the status of all repos
     """
     if repos:
         name_width = max(len(n) for n in repos) + 1
     funcs = info.get_info_funcs()
+
+    get_repo_status = info.get_repo_status
+    if get_repo_status in funcs and no_colors:
+        idx = funcs.index(get_repo_status)
+        funcs[idx] = partial(get_repo_status, no_colors=True)
+
     for name in sorted(repos):
         path = repos[name]
-        display_items = ' '.join(f(path) for f in funcs)
-        yield f'{name:<{name_width}}{display_items}'
+        info_items = ' '.join(f(path) for f in funcs)
+        yield f'{name:<{name_width}}{info_items}'
 
 
 def get_cmds_from_files() -> Dict[str, Dict[str, str]]:
diff --git a/requirements.txt b/requirements.txt
index 3e9e127..6d2823f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
-pytest>=4.4.0
+pytest>=6.1.2
 pytest-cov>=2.6.1
-pytest-xdist>=1.26.0
+pytest-xdist>=2.1.0
 setuptools>=40.6.3
 twine>=1.12.1
 pyyaml>=5.1
diff --git a/setup.py b/setup.py
index 196d69b..ffe6ac6 100644
--- a/setup.py
+++ b/setup.py
@@ -7,9 +7,9 @@ with open('README.md', encoding='utf-8') as f:
 setup(
     name='gita',
     packages=['gita'],
-    version='0.10.10',
+    version='0.11.9',
     license='MIT',
-    description='Manage multiple git repos',
+    description='Manage multiple git repos with sanity',
     long_description=long_description,
     long_description_content_type='text/markdown',
     url='https://github.com/nosarthur/gita',
diff --git a/tests/test_main.py b/tests/test_main.py
index ff28111..1c30eec 100644
--- a/tests/test_main.py
+++ b/tests/test_main.py
@@ -1,22 +1,28 @@
 import pytest
-from unittest.mock import patch
+from unittest.mock import patch, mock_open
+from pathlib import Path
 import argparse
 import shlex
 
 from gita import __main__
-from gita import utils
+from gita import utils, info
 from conftest import (
     PATH_FNAME, PATH_FNAME_EMPTY, PATH_FNAME_CLASH, GROUP_FNAME,
-    async_mock
+    async_mock, TEST_DIR,
 )
 
 
 class TestLsLl:
-    @patch('gita.utils.get_config_fname')
+    @patch('gita.common.get_config_fname')
     def testLl(self, mock_path_fname, capfd, tmp_path):
-        """ functional test """
+        """
+        functional test
+        """
         # avoid modifying the local configuration
-        mock_path_fname.return_value = tmp_path / 'path_config.txt'
+        def side_effect(input):
+            return tmp_path / f'{input}.txt'
+        #mock_path_fname.return_value = tmp_path / 'path_config.txt'
+        mock_path_fname.side_effect = side_effect
         __main__.main(['add', '.'])
         out, err = capfd.readouterr()
         assert err == ''
@@ -34,6 +40,14 @@ class TestLsLl:
         out, err = capfd.readouterr()
         assert err == ''
         assert 'gita' in out
+        assert info.Color.end in out
+
+        # no color on branch name
+        __main__.main(['ll', '-n'])
+        out, err = capfd.readouterr()
+        assert err == ''
+        assert 'gita' in out
+        assert info.Color.end not in out
 
         __main__.main(['ls', 'gita'])
         out, err = capfd.readouterr()
@@ -65,10 +79,14 @@ class TestLsLl:
     @patch('gita.info.get_head', return_value="master")
     @patch('gita.info._get_repo_status', return_value=("d", "s", "u", "c"))
     @patch('gita.info.get_commit_msg', return_value="msg")
-    @patch('gita.utils.get_config_fname')
+    @patch('gita.common.get_config_fname')
     def testWithPathFiles(self, mock_path_fname, _0, _1, _2, _3, path_fname,
                           expected, capfd):
-        mock_path_fname.return_value = path_fname
+        def side_effect(input):
+            if input == 'repo_path':
+                return path_fname
+            return f'/{input}'
+        mock_path_fname.side_effect = side_effect
         utils.get_repos.cache_clear()
         __main__.main(['ll'])
         out, err = capfd.readouterr()
@@ -78,7 +96,7 @@ class TestLsLl:
 
 
 @patch('os.path.isfile', return_value=True)
-@patch('gita.utils.get_config_fname', return_value='some path')
+@patch('gita.common.get_config_fname', return_value='some path')
 @patch('gita.utils.get_repos', return_value={'repo1': '/a/', 'repo2': '/b/'})
 @patch('gita.utils.write_to_repo_file')
 def test_rm(mock_write, *_):
@@ -131,34 +149,133 @@ def test_superman(mock_run, _, input):
     mock_run.assert_called_once_with(expected_cmds, cwd='path7')
 
 
-@pytest.mark.parametrize('input, expected', [
-    ('a', {'xx': ['b'], 'yy': ['c', 'd']}),
-    ("c", {'xx': ['a', 'b'], 'yy': ['a', 'd']}),
-    ("a b", {'yy': ['c', 'd']}),
-])
-@patch('gita.utils.get_repos', return_value={'a': '', 'b': '', 'c': '', 'd': ''})
-@patch('gita.utils.get_config_fname', return_value=GROUP_FNAME)
-@patch('gita.utils.write_to_groups_file')
-def test_ungroup(mock_write, _, __, input, expected):
-    utils.get_groups.cache_clear()
-    args = ['ungroup'] + shlex.split(input)
-    __main__.main(args)
-    mock_write.assert_called_once_with(expected, 'w')
+class TestContext:
 
+    @patch('gita.utils.get_context', return_value=None)
+    def testDisplayNoContext(self, _, capfd):
+        __main__.main(['context'])
+        out, err = capfd.readouterr()
+        assert err == ''
+        assert 'Context is not set\n' == out
 
-@patch('gita.utils.get_config_fname', return_value=GROUP_FNAME)
-def test_group_display(_, capfd):
-    args = argparse.Namespace()
-    args.to_group = None
-    utils.get_groups.cache_clear()
-    __main__.f_group(args)
-    out, err = capfd.readouterr()
-    assert err == ''
-    assert 'xx: a b\nyy: a c d\n' == out
+    @patch('gita.utils.get_context', return_value=Path('gname.context'))
+    @patch('gita.utils.get_groups', return_value={'gname': ['a', 'b']})
+    def testDisplayContext(self, _, __, capfd):
+        __main__.main(['context'])
+        out, err = capfd.readouterr()
+        assert err == ''
+        assert 'gname: a b\n' == out
+
+    @patch('gita.utils.get_context')
+    def testReset(self, mock_ctx):
+        __main__.main(['context', 'none'])
+        mock_ctx.return_value.unlink.assert_called()
+
+    @patch('gita.utils.get_context', return_value=None)
+    @patch('gita.common.get_config_dir', return_value=TEST_DIR)
+    @patch('gita.utils.get_groups', return_value={'lala': ['b'], 'kaka': []})
+    def testSetFirstTime(self, *_):
+        ctx = TEST_DIR / 'lala.context'
+        assert not ctx.is_file()
+        __main__.main(['context', 'lala'])
+        assert ctx.is_file()
+        ctx.unlink()
+
+    @patch('gita.common.get_config_dir', return_value=TEST_DIR)
+    @patch('gita.utils.get_groups', return_value={'lala': ['b'], 'kaka': []})
+    @patch('gita.utils.get_context')
+    def testSetSecondTime(self, mock_ctx, *_):
+        __main__.main(['context', 'kaka'])
+        mock_ctx.return_value.rename.assert_called()
+
+
+class TestGroupCmd:
+
+    @patch('gita.common.get_config_fname', return_value=GROUP_FNAME)
+    def testLs(self, _, capfd):
+        args = argparse.Namespace()
+        args.to_group = None
+        args.group_cmd = 'ls'
+        utils.get_groups.cache_clear()
+        __main__.f_group(args)
+        out, err = capfd.readouterr()
+        assert err == ''
+        assert 'xx yy\n' == out
+
+    @patch('gita.common.get_config_fname', return_value=GROUP_FNAME)
+    def testLl(self, _, capfd):
+        args = argparse.Namespace()
+        args.to_group = None
+        args.group_cmd = None
+        utils.get_groups.cache_clear()
+        __main__.f_group(args)
+        out, err = capfd.readouterr()
+        assert err == ''
+        assert 'xx: a b\nyy: a c d\n' == out
+
+    @patch('gita.common.get_config_fname', return_value=GROUP_FNAME)
+    @patch('gita.utils.write_to_groups_file')
+    def testRename(self, mock_write, _):
+        args = argparse.Namespace()
+        args.gname = 'xx'
+        args.new_name = 'zz'
+        args.group_cmd = 'rename'
+        utils.get_groups.cache_clear()
+        __main__.f_group(args)
+        expected = {'yy': ['a', 'c', 'd'], 'zz': ['a', 'b']}
+        mock_write.assert_called_once_with(expected, 'w')
+
+    @patch('gita.common.get_config_fname', return_value=GROUP_FNAME)
+    def testRenameError(self, *_):
+        args = argparse.Namespace()
+        args.gname = 'xx'
+        args.new_name = 'yy'
+        args.group_cmd = 'rename'
+        utils.get_groups.cache_clear()
+        with pytest.raises(SystemExit, match='yy already exists.'):
+            __main__.f_group(args)
+
+    @pytest.mark.parametrize('input, expected', [
+        ('xx', {'yy': ['a', 'c', 'd']}),
+        ("xx yy", {}),
+    ])
+    @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 testRm(self, mock_write, _, __, input, expected):
+        utils.get_groups.cache_clear()
+        args = ['group', 'rm'] + shlex.split(input)
+        __main__.main(args)
+        mock_write.assert_called_once_with(expected, '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 testAdd(self, mock_write, *_):
+        args = argparse.Namespace()
+        args.to_group =  ['a', 'c']
+        args.group_cmd = 'add'
+        args.gname = 'zz'
+        utils.get_groups.cache_clear()
+        __main__.f_group(args)
+        mock_write.assert_called_once_with({'zz': ['a', 'c']}, 'a+')
+
+    @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 testAddToExisting(self, mock_write, *_):
+        args = argparse.Namespace()
+        args.to_group =  ['a', 'c']
+        args.group_cmd = 'add'
+        args.gname = 'xx'
+        utils.get_groups.cache_clear()
+        __main__.f_group(args)
+        mock_write.assert_called_once_with(
+                {'xx': ['a', 'b', 'c'], 'yy': ['a', 'c', 'd']}, 'w')
 
 
 @patch('gita.utils.is_git', return_value=True)
-@patch('gita.utils.get_config_fname', return_value=PATH_FNAME)
+@patch('gita.common.get_config_fname', return_value=PATH_FNAME)
 @patch('gita.utils.rename_repo')
 def test_rename(mock_rename, _, __):
     utils.get_repos.cache_clear()
@@ -170,9 +287,39 @@ def test_rename(mock_rename, _, __):
         'repo1', 'abc')
 
 
-@patch('os.path.isfile', return_value=False)
-def test_info(mock_isfile, capfd):
-    __main__.f_info(None)
-    out, err = capfd.readouterr()
-    assert 'In use: branch,commit_msg\nUnused: path\n' == out
-    assert err == ''
+class TestInfo:
+
+    @patch('gita.common.get_config_fname', return_value='')
+    def testLl(self, _, capfd):
+        args = argparse.Namespace()
+        args.info_cmd = None
+        __main__.f_info(args)
+        out, err = capfd.readouterr()
+        assert 'In use: branch,commit_msg\nUnused: path\n' == out
+        assert err == ''
+
+    @patch('gita.common.get_config_fname', return_value='')
+    @patch('yaml.dump')
+    def testAdd(self, mock_dump, _):
+        args = argparse.Namespace()
+        args.info_cmd = 'add'
+        args.info_item = 'path'
+        with patch('builtins.open', mock_open(), create=True):
+            __main__.f_info(args)
+        mock_dump.assert_called_once()
+        args, kwargs = mock_dump.call_args
+        assert args[0] == ['branch', 'commit_msg', 'path']
+        assert kwargs == {'default_flow_style': None}
+
+    @patch('gita.common.get_config_fname', return_value='')
+    @patch('yaml.dump')
+    def testRm(self, mock_dump, _):
+        args = argparse.Namespace()
+        args.info_cmd = 'rm'
+        args.info_item = 'commit_msg'
+        with patch('builtins.open', mock_open(), create=True):
+            __main__.f_info(args)
+        mock_dump.assert_called_once()
+        args, kwargs = mock_dump.call_args
+        assert args[0] == ['branch']
+        assert kwargs == {'default_flow_style': None}
diff --git a/tests/test_utils.py b/tests/test_utils.py
index 3128041..886ddb9 100644
--- a/tests/test_utils.py
+++ b/tests/test_utils.py
@@ -4,17 +4,14 @@ from unittest.mock import patch, mock_open
 
 from gita import utils, info
 from conftest import (
-    PATH_FNAME, PATH_FNAME_EMPTY, PATH_FNAME_CLASH, GROUP_FNAME,
+    PATH_FNAME, PATH_FNAME_EMPTY, PATH_FNAME_CLASH, GROUP_FNAME, TEST_DIR,
 )
 
 
 @pytest.mark.parametrize('test_input, diff_return, expected', [
-    ({
-        'abc': '/root/repo/'
-    }, True, 'abc \x1b[31mrepo *+_  \x1b[0m msg'),
-    ({
-        'repo': '/root/repo2/'
-    }, False, 'repo \x1b[32mrepo _    \x1b[0m msg'),
+    ([{'abc': '/root/repo/'}, False], True, 'abc \x1b[31mrepo *+_  \x1b[0m msg'),
+    ([{'abc': '/root/repo/'}, True], True, 'abc repo *+_   msg'),
+    ([{'repo': '/root/repo2/'}, False], False, 'repo \x1b[32mrepo _    \x1b[0m msg'),
 ])
 def test_describe(test_input, diff_return, expected, monkeypatch):
     monkeypatch.setattr(info, 'get_head', lambda x: 'repo')
@@ -23,8 +20,8 @@ def test_describe(test_input, diff_return, expected, monkeypatch):
     monkeypatch.setattr(info, 'has_untracked', lambda: True)
     monkeypatch.setattr('os.chdir', lambda x: None)
     print('expected: ', repr(expected))
-    print('got:      ', repr(next(utils.describe(test_input))))
-    assert expected == next(utils.describe(test_input))
+    print('got:      ', repr(next(utils.describe(*test_input))))
+    assert expected == next(utils.describe(*test_input))
 
 
 @pytest.mark.parametrize('path_fname, expected', [
@@ -41,17 +38,28 @@ def test_describe(test_input, diff_return, expected, monkeypatch):
     }),
 ])
 @patch('gita.utils.is_git', return_value=True)
-@patch('gita.utils.get_config_fname')
+@patch('gita.common.get_config_fname')
 def test_get_repos(mock_path_fname, _, path_fname, expected):
     mock_path_fname.return_value = path_fname
     utils.get_repos.cache_clear()
     assert utils.get_repos() == expected
 
 
+@patch('gita.common.get_config_dir')
+def test_get_context(mock_config_dir):
+    mock_config_dir.return_value = TEST_DIR
+    utils.get_context.cache_clear()
+    assert utils.get_context() == TEST_DIR / 'xx.context'
+
+    mock_config_dir.return_value = '/'
+    utils.get_context.cache_clear()
+    assert utils.get_context() == None
+
+
 @pytest.mark.parametrize('group_fname, expected', [
     (GROUP_FNAME, {'xx': ['a', 'b'], 'yy': ['a', 'c', 'd']}),
 ])
-@patch('gita.utils.get_config_fname')
+@patch('gita.common.get_config_fname')
 def test_get_groups(mock_group_fname, group_fname, expected):
     mock_group_fname.return_value = group_fname
     utils.get_groups.cache_clear()
diff --git a/tests/xx.context b/tests/xx.context
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/tests/xx.context