Allow Git program to be configured via yadm.git-program (#30)

This commit is contained in:
Tim Byrne 2017-01-07 19:44:43 -06:00
parent 25d3123988
commit 2a956d15ad
No known key found for this signature in database
GPG Key ID: 6CBE24C2FD8CF76E
1 changed files with 36 additions and 27 deletions

63
yadm
View File

@ -30,6 +30,7 @@ YADM_ENCRYPT="encrypt"
YADM_ARCHIVE="files.gpg"
GPG_PROGRAM="gpg"
GIT_PROGRAM="git"
LS_PROGRAM="/bin/ls"
#; flag when something may have changes (which prompts auto actions to be performed)
@ -112,7 +113,7 @@ function alt() {
match="^(.+)##($match_system|$match_system.$match_host|$match_system.$match_host.$match_user|())$"
#; process relative to YADM_WORK
YADM_WORK=$(git config core.worktree)
YADM_WORK=$("$GIT_PROGRAM" config core.worktree)
cd "$YADM_WORK" || {
debug "Alternates not processed, unable to cd to $YADM_WORK"
return
@ -125,7 +126,7 @@ function alt() {
#; for every file which matches the above regex, create a symlink
last_linked=''
local IFS=$'\n'
for tracked_file in $(git ls-files | sort) $(cat "$YADM_ENCRYPT" 2>/dev/null); do
for tracked_file in $("$GIT_PROGRAM" ls-files | sort) $(cat "$YADM_ENCRYPT" 2>/dev/null); do
tracked_file="$YADM_WORK/$tracked_file"
#; process both the path, and it's parent directory
for alt_path in "$tracked_file" "${tracked_file%/*}"; do
@ -154,26 +155,27 @@ function clean() {
function clone() {
#; clone will begin with a bare repo
init
local empty=
init $empty
#; add the specified remote, and configure the repo to track origin/master
debug "Adding remote to new repo"
git remote add origin "$1"
"$GIT_PROGRAM" remote add origin "$@"
debug "Configuring new repo to track origin/master"
git config branch.master.remote origin
git config branch.master.merge refs/heads/master
"$GIT_PROGRAM" config branch.master.remote origin
"$GIT_PROGRAM" config branch.master.merge refs/heads/master
#; fetch / merge (and possibly fallback to reset)
debug "Doing an initial fetch of the origin"
git fetch origin || {
"$GIT_PROGRAM" fetch origin || {
debug "Removing repo after failed clone"
rm -rf "$YADM_REPO"
error_out "Unable to fetch origin $1"
}
debug "Doing an initial merge of origin/master"
git merge origin/master || {
"$GIT_PROGRAM" merge origin/master || {
debug "Merge failed, doing a reset."
git reset origin/master
"$GIT_PROGRAM" reset origin/master
cat <<EOF
**NOTE**
Merging origin/master failed.
@ -194,9 +196,6 @@ EOF
function config() {
#; ensure we have a file, even if empty
[ -f "$YADM_CONFIG" ] || touch "$YADM_CONFIG"
if [ -z "$*" ] ; then
#; with no parameters, provide some helpful documentation
echo TODO: Print help about available yadm configurations
@ -212,7 +211,7 @@ function decrypt() {
require_gpg
require_archive
YADM_WORK=$(git config core.worktree)
YADM_WORK=$("$GIT_PROGRAM" config core.worktree)
if [ "$DO_LIST" = "YES" ] ; then
tar_option="t"
@ -238,7 +237,7 @@ function encrypt() {
require_ls
#; process relative to YADM_WORK
YADM_WORK=$(git config core.worktree)
YADM_WORK=$("$GIT_PROGRAM" config core.worktree)
cd "$YADM_WORK" || {
debug "Encryption not processed, unable to cd to $YADM_WORK"
return
@ -275,14 +274,14 @@ function encrypt() {
fi
#; offer to add YADM_ARCHIVE if untracked
archive_status=$(git status --porcelain -uall "$YADM_ARCHIVE" 2>/dev/null)
archive_status=$("$GIT_PROGRAM" status --porcelain -uall "$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
if [[ $answer =~ ^[yY]$ ]] ; then
git add "$YADM_ARCHIVE"
"$GIT_PROGRAM" add "$YADM_ARCHIVE"
fi
fi
@ -302,7 +301,7 @@ function git_command() {
CHANGES_POSSIBLE=1
#; pass commands through to git
git "$@"
"$GIT_PROGRAM" "$@"
return "$?"
}
@ -355,7 +354,7 @@ function init() {
#; init a new bare repo
debug "Init new repo"
git init --shared=0600 --bare "$YADM_REPO"
"$GIT_PROGRAM" init --shared=0600 --bare "$YADM_REPO" "$@"
configure_repo
CHANGES_POSSIBLE=1
@ -368,7 +367,7 @@ function list() {
#; process relative to YADM_WORK when --all is specified
if [ -n "$LIST_ALL" ] ; then
YADM_WORK=$(git config core.worktree)
YADM_WORK=$("$GIT_PROGRAM" config core.worktree)
cd "$YADM_WORK" || {
debug "List not processed, unable to cd to $YADM_WORK"
return
@ -376,7 +375,7 @@ function list() {
fi
#; list tracked files
git ls-files
"$GIT_PROGRAM" ls-files
}
@ -387,7 +386,7 @@ function perms() {
#; TODO: prevent repeats in the files changed
#; process relative to YADM_WORK
YADM_WORK=$(git config core.worktree)
YADM_WORK=$("$GIT_PROGRAM" config core.worktree)
cd "$YADM_WORK" || {
debug "Perms not processed, unable to cd to $YADM_WORK"
return
@ -517,16 +516,16 @@ function configure_repo() {
debug "Configuring new repo"
#; change bare to false (there is a working directory)
git config core.bare 'false'
"$GIT_PROGRAM" config core.bare 'false'
#; set the worktree for the yadm repo
git config core.worktree "$YADM_WORK"
"$GIT_PROGRAM" config core.worktree "$YADM_WORK"
#; by default, do not show untracked files and directories
git config status.showUntrackedFiles no
"$GIT_PROGRAM" config status.showUntrackedFiles no
#; possibly used later to ensure we're working on the yadm repo
git config yadm.managed 'true'
"$GIT_PROGRAM" config yadm.managed 'true'
}
@ -578,8 +577,18 @@ function require_encrypt() {
[ -f "$YADM_ENCRYPT" ] || error_out "$YADM_ENCRYPT does not exist. did you forget to create it?"
}
function require_git() {
command -v git >/dev/null 2>&1 || \
error_out "This functionality requires Git to be installed, but the command git cannot be located."
local alt_git
alt_git="$(config yadm.git-program)"
local more_info
more_info=""
if [ "$alt_git" != "" ] ; then
GIT_PROGRAM="$alt_git"
more_info="\nThis command has been set via the yadm.git-program configuration."
fi
command -v "$GIT_PROGRAM" >/dev/null 2>&1 || \
error_out "This functionality requires Git to be installed, but the command '$GIT_PROGRAM' cannot be located.$more_info"
}
function require_gpg() {
local alt_gpg