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yadm
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#!/bin/sh
# yadm - Yet Another Dotfiles Manager
# Copyright (C) 2015-2020 Tim Byrne
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
# execute script with bash (shebang line is /bin/sh for portability)
if [ -z "$BASH_VERSION" ]; then
[ "$YADM_TEST" != 1 ] && exec bash "$0" "$@"
fi
VERSION=2.5.0
YADM_WORK="$HOME"
YADM_DIR=
YADM_LEGACY_DIR="${HOME}/.yadm"
# these are the default paths relative to YADM_DIR
YADM_REPO="repo.git"
YADM_CONFIG="config"
YADM_ENCRYPT="encrypt"
YADM_ARCHIVE="files.gpg"
YADM_BOOTSTRAP="bootstrap"
YADM_DUMP="dump"
YADM_HOOKS="hooks"
YADM_ALT="alt"
HOOK_COMMAND=""
FULL_COMMAND=""
GPG_PROGRAM="gpg"
GIT_PROGRAM="git"
AWK_PROGRAM=("gawk" "awk")
GIT_CRYPT_PROGRAM="git-crypt"
TRANSCRYPT_PROGRAM="transcrypt"
J2CLI_PROGRAM="j2"
ENVTPL_PROGRAM="envtpl"
ESH_PROGRAM="esh"
LSB_RELEASE_PROGRAM="lsb_release"
OS_RELEASE="/etc/os-release"
PROC_VERSION="/proc/version"
OPERATING_SYSTEM="Unknown"
ENCRYPT_INCLUDE_FILES="unparsed"
LEGACY_WARNING_ISSUED=0
INVALID_ALT=()
# flag causing path translations with cygpath
USE_CYGPATH=0
# flag when something may have changes (which prompts auto actions to be performed)
CHANGES_POSSIBLE=0
# flag when a bootstrap should be performed after cloning
# 0: skip auto_bootstrap, 1: ask, 2: perform bootstrap, 3: prevent bootstrap
DO_BOOTSTRAP=0
function main() {
require_git
# capture full command, for passing to hooks
# the parameters will be space delimited and
# spaces, tabs, and backslashes will be escaped
_tab=$'\t'
for param in "$@"; do
param="${param//\\/\\\\}"
param="${param//$_tab/\\$_tab}"
param="${param// /\\ }"
_fc+=( "$param" )
done
FULL_COMMAND="${_fc[*]}"
# create the YADM_DIR if it doesn't exist yet
[ -d "$YADM_DIR" ] || mkdir -p "$YADM_DIR"
# parse command line arguments
local retval=0
internal_commands="^(alt|bootstrap|clean|clone|config|decrypt|encrypt|enter|git-crypt|help|init|introspect|list|perms|transcrypt|upgrade|version|dump)$"
if [ -z "$*" ] ; then
# no argumnts will result in help()
help
elif [[ "$1" =~ $internal_commands ]] ; then
# for internal commands, process all of the arguments
YADM_COMMAND="${1/-/_}"
YADM_ARGS=()
shift
# commands listed below do not process any of the parameters
if [[ "$YADM_COMMAND" =~ ^(enter|git_crypt)$ ]] ; then
YADM_ARGS=("$@")
else
while [[ $# -gt 0 ]] ; do
key="$1"
case $key in
-a) # used by list()
LIST_ALL="YES"
;;
-d) # used by all commands
DEBUG="YES"
;;
-f) # used by init() and clone()
FORCE="YES"
;;
-l) # used by decrypt()
DO_LIST="YES"
[ "$YADM_COMMAND" = "config" ] && YADM_ARGS+=("$1")
;;
-w) # used by init() and clone()
if [[ ! "$2" =~ ^/ ]] ; then
error_out "You must specify a fully qualified work tree"
fi
YADM_WORK="$2"
shift
;;
*) # any unhandled arguments
YADM_ARGS+=("$1")
;;
esac
shift
done
fi
[ ! -d "$YADM_WORK" ] && error_out "Work tree does not exist: [$YADM_WORK]"
HOOK_COMMAND="$YADM_COMMAND"
invoke_hook "pre"
$YADM_COMMAND "${YADM_ARGS[@]}"
else
# any other commands are simply passed through to git
HOOK_COMMAND="$1"
invoke_hook "pre"
git_command "$@"
retval="$?"
fi
# process automatic events
auto_alt
auto_perms
auto_bootstrap
exit_with_hook $retval
}
# ****** Alternate Processing ******
function score_file() {
src="$1"
tgt="${src%%##*}"
conditions="${src#*##}"
if [ "${tgt#$YADM_ALT/}" != "${tgt}" ]; then
tgt="${YADM_BASE}/${tgt#$YADM_ALT/}"
fi
score=0
IFS=',' read -ra fields <<< "$conditions"
for field in "${fields[@]}"; do
label=${field%%.*}
value=${field#*.}
[ "$field" = "$label" ] && value="" # when .value is omitted
score=$((score + 1000))
# default condition
if [[ "$label" =~ ^(default)$ ]]; then
score=$((score + 0))
# variable conditions
elif [[ "$label" =~ ^(o|os)$ ]]; then
if [ "$value" = "$local_system" ]; then
score=$((score + 1))
else
score=0
return
fi
elif [[ "$label" =~ ^(d|distro)$ ]]; then
if [ "$value" = "$local_distro" ]; then
score=$((score + 2))
else
score=0
return
fi
elif [[ "$label" =~ ^(c|class)$ ]]; then
if [ "$value" = "$local_class" ]; then
score=$((score + 4))
else
score=0
return
fi
elif [[ "$label" =~ ^(h|hostname)$ ]]; then
if [ "$value" = "$local_host" ]; then
score=$((score + 8))
else
score=0
return
fi
elif [[ "$label" =~ ^(u|user)$ ]]; then
if [ "$value" = "$local_user" ]; then
score=$((score + 16))
else
score=0
return
fi
# templates
elif [[ "$label" =~ ^(t|template|yadm)$ ]]; then
score=0
cmd=$(choose_template_cmd "$value")
if [ -n "$cmd" ]; then
record_template "$tgt" "$cmd" "$src"
else
debug "No supported template processor for template $src"
[ -n "$loud" ] && echo "No supported template processor for template $src"
fi
return 0
# unsupported values
else
INVALID_ALT+=("$src")
score=0
return
fi
done
record_score "$score" "$tgt" "$src"
}
function record_score() {
score="$1"
tgt="$2"
src="$3"
# record nothing if the score is zero
[ "$score" -eq 0 ] && return
# search for the index of this target, to see if we already are tracking it
index=-1
for search_index in "${!alt_targets[@]}"; do
if [ "${alt_targets[$search_index]}" = "$tgt" ]; then
index="$search_index"
break
fi
done
# if we don't find an existing index, create one by appending to the array
if [ "$index" -eq -1 ]; then
# $YADM_CONFIG must be processed first, in case other templates lookup yadm configurations
if [ "$tgt" = "$YADM_CONFIG" ]; then
alt_targets=("$tgt" "${alt_targets[@]}")
alt_sources=("$src" "${alt_sources[@]}")
alt_scores=(0 "${alt_scores[@]}")
index=0
# increase the index of any existing alt_template_cmds
new_cmds=()
for cmd_index in "${!alt_template_cmds[@]}"; do
new_cmds[$((cmd_index+1))]="${alt_template_cmds[$cmd_index]}"
done
alt_template_cmds=()
for cmd_index in "${!new_cmds[@]}"; do
alt_template_cmds[$cmd_index]="${new_cmds[$cmd_index]}"
done
else
alt_targets+=("$tgt")
# set index to the last index (newly created one)
for index in "${!alt_targets[@]}"; do :; done
# and set its initial score to zero
alt_scores[$index]=0
fi
fi
# record nothing if a template command is registered for this file
[ "${alt_template_cmds[$index]+isset}" ] && return
# record higher scoring sources
if [ "$score" -gt "${alt_scores[$index]}" ]; then
alt_scores[$index]="$score"
alt_sources[$index]="$src"
fi
}
function record_template() {
tgt="$1"
cmd="$2"
src="$3"
# search for the index of this target, to see if we already are tracking it
index=-1
for search_index in "${!alt_targets[@]}"; do
if [ "${alt_targets[$search_index]}" = "$tgt" ]; then
index="$search_index"
break
fi
done
# if we don't find an existing index, create one by appending to the array
if [ "$index" -eq -1 ]; then
alt_targets+=("$tgt")
# set index to the last index (newly created one)
for index in "${!alt_targets[@]}"; do :; done
fi
# record the template command, last one wins
alt_template_cmds[$index]="$cmd"
alt_sources[$index]="$src"
}
function choose_template_cmd() {
kind="$1"
if [ "$kind" = "default" ] || [ "$kind" = "" ] && awk_available; then
echo "template_default"
elif [ "$kind" = "esh" ] && esh_available; then
echo "template_esh"
elif [ "$kind" = "j2cli" ] || [ "$kind" = "j2" ] && j2cli_available; then
echo "template_j2cli"
elif [ "$kind" = "envtpl" ] || [ "$kind" = "j2" ] && envtpl_available; then
echo "template_envtpl"
else
return # this "kind" of template is not supported
fi
}
# ****** Template Processors ******
function template_default() {
input="$1"
output="$2"
temp_file="${output}.$$.$RANDOM"
# the explicit "space + tab" character class used below is used because not
# all versions of awk seem to support the POSIX character classes [[:blank:]]
awk_pgm=$(cat << "EOF"
# built-in default template processor
BEGIN {
blank = "[ ]"
c["class"] = class
c["os"] = os
c["hostname"] = host
c["user"] = user
c["distro"] = distro
c["source"] = source
vld = conditions()
ifs = "^{%" blank "*if"
els = "^{%" blank "*else" blank "*%}$"
end = "^{%" blank "*endif" blank "*%}$"
skp = "^{%" blank "*(if|else|endif)"
prt = 1
}
{ replace_vars() } # variable replacements
$0 ~ vld, $0 ~ end {
if ($0 ~ vld || $0 ~ end) prt=1;
if ($0 ~ els) prt=0;
if ($0 ~ skp) next;
}
($0 ~ ifs && $0 !~ vld), $0 ~ end {
if ($0 ~ ifs && $0 !~ vld) prt=0;
if ($0 ~ els || $0 ~ end) prt=1;
if ($0 ~ skp) next;
}
{ if (prt) print }
function replace_vars() {
for (label in c) {
gsub(("{{" blank "*yadm\\." label blank "*}}"), c[label])
}
}
function conditions() {
pattern = "^{%" blank "*if" blank "*("
for (label in c) {
value = c[label]
gsub(/[\\.^$(){}\[\]|*+?]/, "\\\\&", value)
pattern = sprintf("%syadm\\.%s" blank "*==" blank "*\"%s\"|", pattern, label, value)
}
sub(/\|$/,")",pattern)
return pattern
}
EOF
)
"${AWK_PROGRAM[0]}" \
-v class="$local_class" \
-v os="$local_system" \
-v host="$local_host" \
-v user="$local_user" \
-v distro="$local_distro" \
-v source="$input" \
"$awk_pgm" \
"$input" > "$temp_file"
if [ -f "$temp_file" ] ; then
copy_perms "$input" "$temp_file"
mv -f "$temp_file" "$output"
fi
}
function template_j2cli() {
input="$1"
output="$2"
temp_file="${output}.$$.$RANDOM"
YADM_CLASS="$local_class" \
YADM_OS="$local_system" \
YADM_HOSTNAME="$local_host" \
YADM_USER="$local_user" \
YADM_DISTRO="$local_distro" \
YADM_SOURCE="$input" \
"$J2CLI_PROGRAM" "$input" -o "$temp_file"
if [ -f "$temp_file" ] ; then
copy_perms "$input" "$temp_file"
mv -f "$temp_file" "$output"
fi
}
function template_envtpl() {
input="$1"
output="$2"
temp_file="${output}.$$.$RANDOM"
YADM_CLASS="$local_class" \
YADM_OS="$local_system" \
YADM_HOSTNAME="$local_host" \
YADM_USER="$local_user" \
YADM_DISTRO="$local_distro" \
YADM_SOURCE="$input" \
"$ENVTPL_PROGRAM" --keep-template "$input" -o "$temp_file"
if [ -f "$temp_file" ] ; then
copy_perms "$input" "$temp_file"
mv -f "$temp_file" "$output"
fi
}
function template_esh() {
input="$1"
output="$2"
temp_file="${output}.$$.$RANDOM"
"$ESH_PROGRAM" -o "$temp_file" "$input" \
YADM_CLASS="$local_class" \
YADM_OS="$local_system" \
YADM_HOSTNAME="$local_host" \
YADM_USER="$local_user" \
YADM_DISTRO="$local_distro" \
YADM_SOURCE="$input"
if [ -f "$temp_file" ] ; then
copy_perms "$input" "$temp_file"
mv -f "$temp_file" "$output"
fi
}
# ****** yadm Commands ******
function alt() {
require_repo
parse_encrypt
# gather values for processing alternates
local local_class
local local_system
local local_host
local local_user
local local_distro
set_local_alt_values
# only be noisy if the "alt" command was run directly
local loud=
[ "$YADM_COMMAND" = "alt" ] && loud="YES"
# decide if a copy should be done instead of a symbolic link
local do_copy=0
[ "$(config --bool yadm.alt-copy)" == "true" ] && do_copy=1
# deprecated yadm.cygwin-copy option (to be removed)
[ "$(config --bool yadm.cygwin-copy)" == "true" ] && do_copy=1
cd_work "Alternates" || return
# determine all tracked files
local tracked_files
tracked_files=()
local IFS=$'\n'
for tracked_file in $("$GIT_PROGRAM" ls-files | LC_ALL=C sort); do
tracked_files+=("$tracked_file")
done
# generate data for removing stale links
local possible_alts
possible_alts=()
local IFS=$'\n'
for possible_alt in "${tracked_files[@]}" "${ENCRYPT_INCLUDE_FILES[@]}"; do
if [[ $possible_alt =~ .\#\#. ]]; then
base_alt="${possible_alt%%##*}"
yadm_alt="${YADM_BASE}/${base_alt}"
if [ "${yadm_alt#$YADM_ALT/}" != "${yadm_alt}" ]; then
base_alt="${yadm_alt#$YADM_ALT/}"
fi
possible_alts+=("$YADM_BASE/${base_alt}")
fi
done
local alt_linked
alt_linked=()
if [ "$YADM_COMPATIBILITY" = "1" ]; then
alt_past_linking
else
alt_future_linking
fi
remove_stale_links
report_invalid_alts
}
function report_invalid_alts() {
[ "$YADM_COMPATIBILITY" = "1" ] && return
[ "$LEGACY_WARNING_ISSUED" = "1" ] && return
[ "${#INVALID_ALT[@]}" = "0" ] && return
local path_list
for invalid in "${INVALID_ALT[@]}"; do
path_list="$path_list * $invalid"$'\n'
done
cat <<EOF
**WARNING**
Invalid alternates have been detected.
Beginning with version 2.0.0, yadm uses a new naming convention for alternate
files. Read more about this change here:
https://yadm.io/docs/upgrade_from_1
Or to learn more about alternates in general, read:
https://yadm.io/docs/alternates
To rename the invalid alternates run:
yadm mv <old name> <new name>
Invalid alternates detected:
${path_list}
***********
EOF
}
function remove_stale_links() {
# review alternate candidates for stale links
# if a possible alt IS linked, but it's source is not part of alt_linked,
# remove it.
if readlink_available; then
for stale_candidate in "${possible_alts[@]}"; do
if [ -L "$stale_candidate" ]; then
src=$(readlink "$stale_candidate" 2>/dev/null)
if [ -n "$src" ]; then
for review_link in "${alt_linked[@]}"; do
[ "$src" = "$review_link" ] && continue 2
done
rm -f "$stale_candidate"
fi
fi
done
fi
}
function set_local_alt_values() {
local_class="$(config local.class)"
local_system="$(config local.os)"
if [ -z "$local_system" ] ; then
local_system="$OPERATING_SYSTEM"
fi
local_host="$(config local.hostname)"
if [ -z "$local_host" ] ; then
local_host=$(uname -n)
local_host=${local_host%%.*} # trim any domain from hostname
fi
local_user="$(config local.user)"
if [ -z "$local_user" ] ; then
local_user=$(id -u -n)
fi
local_distro="$(query_distro)"
}
function alt_future_linking() {
local alt_scores
local alt_targets
local alt_sources
local alt_template_cmds
alt_scores=()
alt_targets=()
alt_sources=()
alt_template_cmds=()
for alt_path in $(for tracked in "${tracked_files[@]}"; do printf "%s\n" "$tracked" "${tracked%/*}"; done | LC_ALL=C sort -u) "${ENCRYPT_INCLUDE_FILES[@]}"; do
alt_path="$YADM_BASE/$alt_path"
if [[ "$alt_path" =~ .\#\#. ]]; then
if [ -e "$alt_path" ] ; then
score_file "$alt_path"
fi
fi
done
for index in "${!alt_targets[@]}"; do
tgt="${alt_targets[$index]}"
src="${alt_sources[$index]}"
template_cmd="${alt_template_cmds[$index]}"
if [ -n "$template_cmd" ]; then
# a template is defined, process the template
debug "Creating $tgt from template $src"
[ -n "$loud" ] && echo "Creating $tgt from template $src"
# ensure the destination path exists
assert_parent "$tgt"
# remove any existing symlink before processing template
[ -L "$tgt" ] && rm -f "$tgt"
"$template_cmd" "$src" "$tgt"
elif [ -n "$src" ]; then
# a link source is defined, create symlink
debug "Linking $src to $tgt"
[ -n "$loud" ] && echo "Linking $src to $tgt"
# ensure the destination path exists
assert_parent "$tgt"
if [ "$do_copy" -eq 1 ]; then
# remove any existing symlink before copying
[ -L "$tgt" ] && rm -f "$tgt"
cp -f "$src" "$tgt"
else
ln_relative "$src" "$tgt"
fi
fi
done
}
function alt_past_linking() {
if [ -z "$local_class" ] ; then
match_class="%"
else
match_class="$local_class"
fi
match_class="(%|$match_class)"
match_system="(%|$local_system)"
match_host="(%|$local_host)"
match_user="(%|$local_user)"
# regex for matching "<file>##CLASS.SYSTEM.HOSTNAME.USER"
match1="^(.+)##(()|$match_system|$match_system\.$match_host|$match_system\.$match_host\.$match_user)$"
match2="^(.+)##($match_class|$match_class\.$match_system|$match_class\.$match_system\.$match_host|$match_class\.$match_system\.$match_host\.$match_user)$"
# loop over all "tracked" files
# for every file which matches the above regex, create a symlink
for match in $match1 $match2; do
last_linked=''
local IFS=$'\n'
# the alt_paths looped over here are a unique sorted list of both files and their immediate parent directory
for alt_path in $(for tracked in "${tracked_files[@]}"; do printf "%s\n" "$tracked" "${tracked%/*}"; done | LC_ALL=C sort -u) "${ENCRYPT_INCLUDE_FILES[@]}"; do
alt_path="$YADM_BASE/$alt_path"
if [ -e "$alt_path" ] ; then
if [[ $alt_path =~ $match ]] ; then
if [ "$alt_path" != "$last_linked" ] ; then
new_link="${BASH_REMATCH[1]}"
debug "Linking $alt_path to $new_link"
[ -n "$loud" ] && echo "Linking $alt_path to $new_link"
if [ "$do_copy" -eq 1 ]; then
if [ -L "$new_link" ]; then
rm -f "$new_link"
fi
cp -f "$alt_path" "$new_link"
else
ln_relative "$alt_path" "$new_link"
fi
last_linked="$alt_path"
fi
fi
fi
done
done
# loop over all "tracked" files
# for every file which is a *##yadm.j2 create a real file
local match="^(.+)##yadm\\.j2$"
for tracked_file in "${tracked_files[@]}" "${ENCRYPT_INCLUDE_FILES[@]}"; do
tracked_file="$YADM_BASE/$tracked_file"
if [ -e "$tracked_file" ] ; then
if [[ $tracked_file =~ $match ]] ; then
real_file="${BASH_REMATCH[1]}"
if envtpl_available; then
debug "Creating $real_file from template $tracked_file"
[ -n "$loud" ] && echo "Creating $real_file from template $tracked_file"
temp_file="${real_file}.$$.$RANDOM"
YADM_CLASS="$local_class" \
YADM_OS="$local_system" \
YADM_HOSTNAME="$local_host" \
YADM_USER="$local_user" \
YADM_DISTRO="$local_distro" \
"$ENVTPL_PROGRAM" --keep-template "$tracked_file" -o "$temp_file"
[ -f "$temp_file" ] && mv -f "$temp_file" "$real_file"
else
debug "envtpl not available, not creating $real_file from template $tracked_file"
[ -n "$loud" ] && echo "envtpl not available, not creating $real_file from template $tracked_file"
fi
fi
fi
done
}
function ln_relative() {
local full_source full_target target_dir
full_source="$1"
full_target="$2"
target_dir="${full_target%/*}"
if [ "$target_dir" == "" ]; then
target_dir="/"
fi
rel_source=$(relative_path "$target_dir" "$full_source")
ln -nfs "$rel_source" "$full_target"
alt_linked+=("$rel_source")
}
function bootstrap() {
bootstrap_available || error_out "Cannot execute bootstrap\n'$YADM_BOOTSTRAP' is not an executable program."
# GIT_DIR should not be set for user's bootstrap code
unset GIT_DIR
echo "Executing $YADM_BOOTSTRAP"
exec "$YADM_BOOTSTRAP"
}
function dump(){
dump_available || error_out "Cannot execute dump\n'$YADM_DUMP' is not an executable program."
echo "Executing $YADM_DUMP"
exec "$YADM_DUMP"
}
function clean() {
error_out "\"git clean\" has been disabled for safety. You could end up removing all unmanaged files."
}
function clone() {
DO_BOOTSTRAP=1
local branch
branch="master"
clone_args=()
while [[ $# -gt 0 ]] ; do
key="$1"
case $key in
-b)
if ! is_valid_branch_name "$2"; then
error_out "You must provide a branch name when using '-b'"
fi
branch="$2"
shift
;;
--bootstrap) # force bootstrap, without prompt
DO_BOOTSTRAP=2
;;
--no-bootstrap) # prevent bootstrap, without prompt
DO_BOOTSTRAP=3
;;
*) # main arguments are kept intact
clone_args+=("$1")
;;
esac
shift
done
[ -n "$DEBUG" ] && display_private_perms "initial"
# clone will begin with a bare repo
local empty=
init $empty
# add the specified remote, and configure the repo to track origin/$branch
debug "Adding remote to new repo"
"$GIT_PROGRAM" remote add origin "${clone_args[@]}"
debug "Configuring new repo to track origin/${branch}"
"$GIT_PROGRAM" config "branch.${branch}.remote" origin
"$GIT_PROGRAM" config "branch.${branch}.merge" "refs/heads/${branch}"
# fetch / merge (and possibly fallback to reset)
debug "Doing an initial fetch of the origin"
"$GIT_PROGRAM" fetch origin || {
debug "Removing repo after failed clone"
rm -rf "$YADM_REPO"
error_out "Unable to fetch origin ${clone_args[0]}"
}
debug "Verifying '${branch}' is a valid branch to merge"
[ -f "${YADM_REPO}/refs/remotes/origin/${branch}" ] || {
debug "Removing repo after failed clone"
rm -rf "$YADM_REPO"
error_out "Clone failed, 'origin/${branch}' does not exist in ${clone_args[0]}"
}
if [ "$YADM_WORK" = "$HOME" ]; then
debug "Determining if repo tracks private directories"
for private_dir in $(private_dirs all); do
found_log=$("$GIT_PROGRAM" log -n 1 "origin/${branch}" -- "$private_dir" 2>/dev/null)
if [ -n "$found_log" ]; then
debug "Private directory $private_dir is tracked by repo"
assert_private_dirs "$private_dir"
fi
done
fi
[ -n "$DEBUG" ] && display_private_perms "pre-merge"
debug "Doing an initial merge of origin/${branch}"
"$GIT_PROGRAM" merge "origin/${branch}" || {
debug "Merge failed, doing a reset and stashing conflicts."
"$GIT_PROGRAM" reset "origin/${branch}"
if cd "$YADM_WORK"; then # necessary because of a bug in Git
"$GIT_PROGRAM" -c user.name='yadm clone' -c user.email='yadm' stash save Conflicts preserved from yadm clone command 2>&1
cat <<EOF
**NOTE**
Merging origin/${branch} failed.
As a result, yadm did 'reset origin/${branch}', and then
stashed the conflicting data.
This likely happened because you had files in \$HOME
which conflicted with files tracked by origin/${branch}.
You can review the stashed conflicts with the
command 'yadm stash show -p' from within your
\$HOME directory. If you want to restore the
stashed data, you can run 'yadm stash apply' or
'yadm stash pop' and then handle the conflicts
in another way.
EOF
else
# skip auto_bootstrap if conflicts could not be stashed
DO_BOOTSTRAP=0
cat <<EOF
**NOTE**
Merging origin/${branch} failed.
yadm did 'reset origin/${branch}' instead.
yadm did not stash these conflicts beacuse it was unable
to change to the $YADM_WORK directory.
Please review and resolve any differences appropriately
If you know what you're doing, and want to overwrite the
tracked files, consider 'yadm reset --hard origin/${branch}'
EOF
fi
}
[ -n "$DEBUG" ] && display_private_perms "post-merge"
CHANGES_POSSIBLE=1
}
function config() {
use_repo_config=0
local_options="^local\.(class|os|hostname|user)$"
for option in "$@"; do
[[ "$option" =~ $local_options ]] && use_repo_config=1
done
if [ -z "$*" ] ; then
# with no parameters, provide some helpful documentation
echo "yadm supports the following configurations:"
echo
local IFS=$'\n'
for supported_config in $(introspect_configs); do
echo " ${supported_config}"
done
echo
cat << EOF
Please read the CONFIGURATION section in the man
page for more details about configurations, and
how to adjust them.
EOF
elif [ "$use_repo_config" -eq 1 ]; then
require_repo
# operate on the yadm repo's configuration file
# this is always local to the machine
"$GIT_PROGRAM" config "$@"
CHANGES_POSSIBLE=1
else
# make sure parent folder of config file exists
assert_parent "$YADM_CONFIG"
# operate on the yadm configuration file
"$GIT_PROGRAM" config --file="$(mixed_path "$YADM_CONFIG")" "$@"
fi
}
function decrypt() {
require_gpg
require_archive
[ -f "$YADM_ENCRYPT" ] && exclude_encrypted
if [ "$DO_LIST" = "YES" ] ; then
tar_option="t"
else
tar_option="x"
fi
# decrypt the archive
if ($GPG_PROGRAM -d "$YADM_ARCHIVE" || echo 1) | tar v${tar_option}f - -C "$YADM_WORK"; then
[ ! "$DO_LIST" = "YES" ] && echo "All files decrypted."
else
error_out "Unable to extract encrypted files."
fi
CHANGES_POSSIBLE=1
}
function encrypt() {
require_gpg
require_encrypt
exclude_encrypted
parse_encrypt
cd_work "Encryption" || return
# Build gpg options for gpg
GPG_KEY="$(config yadm.gpg-recipient)"
if [ "$GPG_KEY" = "ASK" ]; then
GPG_OPTS=("--no-default-recipient" "-e")
elif [ "$GPG_KEY" != "" ]; then
GPG_OPTS=("-e")
for key in $GPG_KEY; do
GPG_OPTS+=("-r $key")
done
else
GPG_OPTS=("-c")
fi
# report which files will be encrypted
echo "Encrypting the following files:"
printf '%s\n' "${ENCRYPT_INCLUDE_FILES[@]}"
echo
# encrypt all files which match the globs
if tar -f - -c "${ENCRYPT_INCLUDE_FILES[@]}" | $GPG_PROGRAM --yes "${GPG_OPTS[@]}" --output "$YADM_ARCHIVE"; then
echo "Wrote new file: $YADM_ARCHIVE"
else
error_out "Unable to write $YADM_ARCHIVE"
fi
# offer to add YADM_ARCHIVE if untracked
archive_status=$("$GIT_PROGRAM" status --porcelain -uall "$(mixed_path "$YADM_ARCHIVE")" 2>/dev/null)
archive_regex="^\?\?"
if [[ $archive_status =~ $archive_regex ]] ; then
echo "It appears that $YADM_ARCHIVE is not tracked by yadm's repository."
echo "Would you like to add it now? (y/n)"
read -r answer < /dev/tty
if [[ $answer =~ ^[yY]$ ]] ; then
"$GIT_PROGRAM" add "$(mixed_path "$YADM_ARCHIVE")"
fi
fi
CHANGES_POSSIBLE=1
}
function git_crypt() {
require_git_crypt
enter "${GIT_CRYPT_PROGRAM} $*"
}