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yadm
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Create an upgrade command

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This command will assist users with migration from 1.x.x to 2.0.0.
pull/174/head
Tim Byrne 4 years ago
parent 0c9468c9b5
commit b62a4c77a6
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5 changed files with 219 additions and 22 deletions
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  1. 1
      test/conftest.py
  2. 13
      test/test_unit_issue_legacy_path_warning.py
  3. 101
      test/test_unit_upgrade.py
  4. 100
      yadm
  5. 26
      yadm.1

1
test/conftest.py
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@ -84,6 +84,7 @@ def supported_commands():
'introspect',
'list',
'perms',
'upgrade',
'version',
]

13
test/test_unit_issue_legacy_path_warning.py
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@ -10,25 +10,30 @@ import pytest
'encrypt',
'files.gpg',
'bootstrap',
'hooks',
'hooks/pre_command',
'hooks/post_command',
],
)
def test_legacy_warning(tmpdir, runner, yadm, legacy_path):
@pytest.mark.parametrize(
'upgrade', [True, False], ids=['upgrade', 'no-upgrade'])
def test_legacy_warning(tmpdir, runner, yadm, upgrade, legacy_path):
"""Use issue_legacy_path_warning"""
home = tmpdir.mkdir('home')
if legacy_path:
home.mkdir(f'.yadm').mkdir(legacy_path)
home.mkdir(f'.yadm').ensure(legacy_path)
main_args = 'MAIN_ARGS=("upgrade")' if upgrade else ''
script = f"""
HOME={home}
YADM_TEST=1 source {yadm}
{main_args}
issue_legacy_path_warning
"""
run = runner(command=['bash'], inp=script)
assert run.success
assert run.err == ''
if legacy_path:
if legacy_path and not upgrade:
assert 'Legacy configuration paths have been detected' in run.out
else:
assert run.out.rstrip() == ''

101
test/test_unit_upgrade.py
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@ -0,0 +1,101 @@
"""Unit tests: upgrade"""
import pytest
LEGACY_PATHS = [
'config',
'encrypt',
'files.gpg',
'bootstrap',
'hooks/pre_command',
'hooks/post_command',
]
# used:
# YADM_COMPATIBILITY
# YADM_DIR
# YADM_LEGACY_DIR
# GIT_PROGRAM
@pytest.mark.parametrize('condition', ['compat', 'equal', 'existing_repo'])
def test_upgrade_errors(tmpdir, runner, yadm, condition):
"""Test upgrade() error conditions"""
compatibility = 'YADM_COMPATIBILITY=1' if condition == 'compat' else ''
home = tmpdir.mkdir('home')
yadm_dir = home.join('.config/yadm')
legacy_dir = home.join('.yadm')
if condition == 'equal':
legacy_dir = yadm_dir
if condition == 'existing_repo':
yadm_dir.ensure_dir('repo.git')
legacy_dir.ensure_dir('repo.git')
script = f"""
YADM_TEST=1 source {yadm}
{compatibility}
YADM_DIR="{yadm_dir}"
YADM_REPO="{yadm_dir}/repo.git"
YADM_LEGACY_DIR="{legacy_dir}"
upgrade
"""
run = runner(command=['bash'], inp=script)
assert run.failure
assert run.err == ''
assert 'Unable to upgrade' in run.out
if condition == 'compat':
assert 'YADM_COMPATIBILITY' in run.out
if condition == 'equal':
assert 'has been resolved as' in run.out
if condition == 'existing_repo':
assert 'already exists' in run.out
@pytest.mark.parametrize('condition', ['no-paths', 'untracked', 'tracked'])
def test_upgrade(tmpdir, runner, yadm, condition):
"""Test upgrade()
When testing the condition of git-tracked data, "echo" will be used as a
mock for git. echo will return true, simulating a positive result from "git
ls-files". Also echo will report the parameters for "git mv".
"""
home = tmpdir.mkdir('home')
yadm_dir = home.join('.config/yadm')
legacy_dir = home.join('.yadm')
if condition != 'no-paths':
legacy_dir.join('repo.git/config').write('test-repo', ensure=True)
for lpath in LEGACY_PATHS:
legacy_dir.join(lpath).write(lpath, ensure=True)
git = 'echo' if condition == 'tracked' else 'git'
script = f"""
YADM_TEST=1 source {yadm}
YADM_DIR="{yadm_dir}"
YADM_REPO="{yadm_dir}/repo.git"
YADM_LEGACY_DIR="{legacy_dir}"
GIT_PROGRAM="{git}"
upgrade
"""
run = runner(command=['bash'], inp=script)
assert run.success
assert run.err == ''
if condition == 'no-paths':
assert 'Upgrade is not necessary' in run.out
else:
for lpath in LEGACY_PATHS + ['repo.git']:
expected = (
f'Moving {legacy_dir.join(lpath)} '
f'to {yadm_dir.join(lpath)}')
assert expected in run.out
if condition == 'untracked':
assert 'test-repo' in yadm_dir.join('repo.git/config').read()
for lpath in LEGACY_PATHS:
assert lpath in yadm_dir.join(lpath).read()
elif condition == 'tracked':
for lpath in LEGACY_PATHS:
expected = (
f'mv {legacy_dir.join(lpath)} '
f'{yadm_dir.join(lpath)}')
assert expected in run.out
assert 'files tracked by yadm have been renamed' in run.out

100
yadm
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@ -72,7 +72,7 @@ function main() {
# parse command line arguments
local retval=0
internal_commands="^(alt|bootstrap|clean|clone|config|decrypt|encrypt|enter|help|init|introspect|list|perms|version)$"
internal_commands="^(alt|bootstrap|clean|clone|config|decrypt|encrypt|enter|help|init|introspect|list|perms|upgrade|version)$"
if [ -z "$*" ] ; then
# no argumnts will result in help()
help
@ -505,13 +505,12 @@ function alt_future_linking() {
filename="${alt_filenames[$index]}"
target="${alt_targets[$index]}"
template_cmd="${alt_template_cmds[$index]}"
basedir=${filename%/*}
if [ -n "$template_cmd" ]; then
# a template is defined, process the template
debug "Creating $filename from template $target"
[ -n "$loud" ] && echo "Creating $filename from template $target"
# ensure the destination path exists
[ -e "$basedir" ] || mkdir -p "$basedir"
assert_parent "$filename"
# remove any existing symlink before processing template
[ -L "$filename" ] && rm -f "$filename"
"$template_cmd" "$target" "$filename"
@ -520,7 +519,7 @@ function alt_future_linking() {
debug "Linking $target to $filename"
[ -n "$loud" ] && echo "Linking $target to $filename"
# ensure the destination path exists
[ -e "$basedir" ] || mkdir -p "$basedir"
assert_parent "$filename"
if [ "$do_copy" -eq 1 ]; then
# remove any existing symlink before copying
[ -L "$filename" ] && rm -f "$filename"
@ -975,6 +974,7 @@ init
introspect
list
perms
upgrade
version
EOF
}
@ -1062,6 +1062,66 @@ function perms() {
}
function upgrade() {
local actions_performed
actions_performed=0
local repo_updates
repo_updates=0
[ "$YADM_COMPATIBILITY" = "1" ] && \
error_out "Unable to upgrade. YADM_COMPATIBILITY is set to '1'."
[ "$YADM_DIR" = "$YADM_LEGACY_DIR" ] && \
error_out "Unable to upgrade. yadm dir has been resolved as '$YADM_LEGACY_DIR'."
# handle legacy repo
if [ -d "$YADM_LEGACY_DIR/repo.git" ]; then
# legacy repo detected, it must be moved to YADM_REPO
if [ -e "$YADM_REPO" ]; then
error_out "Unable to upgrade. '$YADM_REPO' already exists. Refusing to overwrite it."
else
actions_performed=1
echo "Moving $YADM_LEGACY_DIR/repo.git to $YADM_REPO"
assert_parent "$YADM_REPO"
mv "$YADM_LEGACY_DIR/repo.git" "$YADM_REPO"
fi
fi
# handle other legacy paths
for legacy_path in \
"$YADM_LEGACY_DIR/config" \
"$YADM_LEGACY_DIR/encrypt" \
"$YADM_LEGACY_DIR/files.gpg" \
"$YADM_LEGACY_DIR/bootstrap" \
"$YADM_LEGACY_DIR"/hooks/{pre,post}_* \
; \
do
if [ -e "$legacy_path" ]; then
new_filename=${legacy_path#$YADM_LEGACY_DIR/}
new_filename="$YADM_DIR/$new_filename"
actions_performed=1
echo "Moving $legacy_path to $new_filename"
assert_parent "$new_filename"
# test to see if path is "tracked" in repo, if so 'git mv' must be used
if GIT_DIR="$YADM_REPO" "$GIT_PROGRAM" ls-files --error-unmatch "$legacy_path" >/dev/null 2>&1; then
GIT_DIR="$YADM_REPO" "$GIT_PROGRAM" mv "$legacy_path" "$new_filename" && repo_updates=1
else
mv -i "$legacy_path" "$new_filename"
fi
fi
done
[ "$actions_performed" -eq 0 ] && \
echo "No legacy paths found. Upgrade is not necessary"
[ "$repo_updates" -eq 1 ] && \
echo "Some files tracked by yadm have been renamed. This changes should probably be commited now."
exit 0
}
function version() {
echo "yadm $VERSION"
@ -1110,9 +1170,8 @@ function exclude_encrypted() {
fi
if [ "${exclude_header}${encrypt_data}" != "$managed" ]; then
basedir=${exclude_path%/*}
[ -e "$basedir" ] || mkdir -p "$basedir" # assert path
debug "Updating ${exclude_path}"
assert_parent "$exclude_path"
printf "%s" "${unmanaged}${exclude_header}${encrypt_data}" > "$exclude_path"
fi
@ -1221,6 +1280,9 @@ function set_yadm_dir() {
function issue_legacy_path_warning() {
# no warnings during upgrade
[[ "${MAIN_ARGS[*]}" =~ upgrade ]] && return
# no warnings if YADM_DIR is resolved as the leacy path
[ "$YADM_DIR" = "$YADM_LEGACY_DIR" ] && return
@ -1231,14 +1293,14 @@ function issue_legacy_path_warning() {
local legacy_found
legacy_found=()
# this is ordered by importance
for legacy_path in \
"$YADM_LEGACY_DIR/$YADM_REPO" \
"$YADM_LEGACY_DIR/$YADM_CONFIG" \
"$YADM_LEGACY_DIR/$YADM_ENCRYPT" \
"$YADM_LEGACY_DIR/$YADM_ARCHIVE" \
"$YADM_LEGACY_DIR/$YADM_BOOTSTRAP" \
"$YADM_LEGACY_DIR/$YADM_HOOKS" \
; \
for legacy_path in \
"$YADM_LEGACY_DIR/$YADM_REPO" \
"$YADM_LEGACY_DIR/$YADM_CONFIG" \
"$YADM_LEGACY_DIR/$YADM_ENCRYPT" \
"$YADM_LEGACY_DIR/$YADM_ARCHIVE" \
"$YADM_LEGACY_DIR/$YADM_BOOTSTRAP" \
"$YADM_LEGACY_DIR/$YADM_HOOKS"/{pre,post}_* \
; \
do
[ -e "$legacy_path" ] && legacy_found+=("$legacy_path")
done
@ -1258,14 +1320,15 @@ function issue_legacy_path_warning() {
Beginning with version 2.0.0, yadm uses the XDG Base Directory Specification
to find its configurations. Read more about this change here:
https://yadm.io/docs/xdg_config_home
https://yadm.io/docs/upgrade_from_1.x.x
In your environment, the configuration directory has been resolved to:
$YADM_DIR
To remove this warning do one of the following:
* Move yadm configurations to the directory listed above. (RECOMMENDED)
* Run "yadm upgrade" to move the yadm data to the new directory. (RECOMMENDED)
* Manually move yadm configurations to the directory listed above.
* Specify your preferred yadm directory with -Y each execution.
* Define an environment variable "YADM_COMPATIBILITY=1" to run in version 1
compatibility mode. (DEPRECATED)
@ -1421,6 +1484,11 @@ function assert_private_dirs() {
done
}
function assert_parent() {
basedir=${1%/*}
[ -e "$basedir" ] || mkdir -p "$basedir"
}
function display_private_perms() {
when="$1"
for private_dir in .ssh .gnupg; do

26
yadm.1
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@ -56,6 +56,8 @@ list
.BR yadm " perms
.BR yadm " upgrade
.BR yadm " introspect
.I category
@ -255,6 +257,22 @@ configuration
.I yadm.auto-perms
to "false".
.TP
.B upgrade
Version 2 of yadm uses a different directory for storing your configurations.
When you start to use version 2 for the first time, you may see warnings about
moving your data to this new directory.
The easiest way to accomplish this is by running "yadm upgrade".
This command will start by moving your yadm repo to the new path.
Next it will move any configuration data to the new path.
If the configurations are tracked within your yadm repo, this command will
"stage" the renaming of those files in the repo's index.
After running "yadm upgrade", you should run "yadm status" to review changes
which have been staged, and commit them to your repository.
You can read
https://yadm.io/docs/upgrade_from_1.x.x
for more information.
.TP
.B version
Print the version of yadm.
@ -262,10 +280,14 @@ Print the version of yadm.
Beginning with version 2.0.0, yadm introduced a couple major changes which may
require you to adjust your configurations.
See the
.B upgrade
command for help making those adjustments.
First, yadm now uses the "XDG Base Directory Specification" to find its
configurations. You can read https://yadm.io/docs/xdg_config_home for more
information.
configurations. You can read
https://yadm.io/docs/upgrade_from_1.x.x
for more information.
Second, the naming conventions for alternate files have been changed.
You can read https://yadm.io/docs/alternates for more information.

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