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Copy pathmodgit
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executable file
·425 lines (366 loc) · 10.2 KB
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#!/bin/bash
version="0.1.0"
script=${0##*/}
usage="\
Module Git (v$version)
Global Commands:
$script [options] <command>
-------------------------------
init initialize .modgit folder
list list all modules that are currently installed
update-all update all modules that are currently installed
-h this help
-v display the modgit script's version
Module Commands:
$script [options] <command> <module> [<src>] [<git options>]
----------------------------------------------------------------
clone <module> <src> clone a git repository
update <module> update module
remove <module> remove module
[<git options>] specify additional parameters to git clone
-i include filter: -i app/ -i README [...]
-e exclude filter: -e file.txt -e lib/tests [...]
"
dry_run=0
includes=''
excludes=''
add_include()
{
if [ -z $includes ]; then
includes="$1"
else
includes="$includes\n$1"
fi
}
add_exclude()
{
if [ -z $excludes ]; then
excludes="$1"
else
excludes="$excludes\n$1"
fi
}
# Handle options
while getopts ":nvhi:e:" opt; do
case $opt in
h)
echo -e "$usage"
exit 0
;;
v)
echo "Module Git version: $version"
exit 0
;;
n)
dry_run=1
shift $((OPTIND-1)); OPTIND=1
;;
i)
add_include "$OPTARG"
shift $((OPTIND-1)); OPTIND=1
;;
e)
add_exclude "$OPTARG"
shift $((OPTIND-1)); OPTIND=1
;;
\?)
echo "Invalid option: -$OPTARG" >&2
exit 1
;;
:)
echo "Option -$OPTARG requires an argument." >&2
exit 1
;;
esac
done
# Echo in bold
echo_b()
{
if [ "$1" = "-e" ]; then
echo -e "$(tput bold)$2$(tput sgr0)"
else
echo "$(tput bold)$1$(tput sgr0)"
fi
}
# Initializes .modgit folder in root dir then quit
if [ "$1" = "init" ]; then
mkdir .modgit || { echo_b "Could not create .modgit directory" && exit 1; }
echo_b "Initialized Module Git at $(pwd)"
exit 0
fi
# Checks if module dir exists or quit
require_module_dir()
{
if ! [ -d "$modgit_dir/$1" ]; then
echo_b "ERROR: $1 does not exist.";
exit 1
fi
return 0
}
delete_files()
{
local module=$1
local module_dir="$modgit_dir/$module"
local deployed_file="$module_dir/deployed.modgit"
while read line; do
if ! [ -z $line ] && [ -f "$root/$line" ]; then
rm "$root/$line" 2>/dev/null
prev_dir=''
dir=$(dirname $line)
while [ "$dir" != "$prev_dir" ]; do
prev_dir=$dir
test_dir="$root/$dir"
if ! [ "$(ls -A $test_dir)" ]; then
rmdir $test_dir
fi
dir=${dir%/*}
done
fi
done < <(cat "$deployed_file" 2>/dev/null)
return 0
}
# Removes a module
delete_module()
{
local module=$1
local module_dir="$modgit_dir/$module"
if delete_files "$module" &&
rm -rf "$module_dir" 2>/dev/null;
then
return 0
else
return 1
fi
}
deploy_file()
{
mkdir -p $(dirname $2) && cp "$1" "$2"
}
# Synchronizes files from module dir to root dir, then store deployed files for easy remove
move_files()
{
local module=$1
local module_dir="$modgit_dir/$module"
local source_dir="$module_dir/source"
local includes_file="$module_dir/includes.modgit"
local excludes_file="$module_dir/excludes.modgit"
local modman_file="$source_dir/modman"
local deployed_file="$module_dir/deployed.modgit"
cd "$source_dir" || return 1
while read file; do
# Copy file by default
copy=1
target="$file"
# Include filters
if [ -s "$includes_file" ]; then
copy=0
while read filter; do
src=$(echo $filter | cut -d: -f1)
if [ -z $src ]; then
continue
fi
if [[ "$file" =~ ^$src ]]; then
copy=1
# Handle optional different target
real=$(echo $filter | cut -d: -f2)
if [ "$src" != "$real" ]; then
tmp_src=$(echo $src | sed 's/^[\/]*//;s/[\/]*$//')
tmp_src="$tmp_src/"
tmp_src="${tmp_src//\//\\/}"
tmp_real=$(echo $real | sed 's/^[\/]*//;s/[\/]*$//')
tmp_real="$tmp_real/"
tmp_real="${tmp_real//\//\\/}"
target=$(echo $file | sed "s/$tmp_src/$tmp_real/g")
fi
break
fi
done < <(cat "$includes_file")
fi
# Exclude filters
if [ -s "$excludes_file" ] && [ $copy -eq 1 ]; then
while read filter; do
if [[ "$file" =~ ^$filter ]]; then
copy=0
break
fi
done < <(cat "$excludes_file")
fi
if [ $copy -eq 1 ]; then
# Handle modman file
if [ -s "$modman_file" ]; then
while read line; do
if [ -z "$line" ] || [[ $line =~ ^# ]] || [[ $line =~ ^@ ]]; then
continue
fi
set -- $line
if [[ "$file" =~ ^$1 ]]; then
# Remove trailing slashes and escape paths for sed
src=$(echo $1 | sed 's/^[\/]*//;s/[\/]*$//')
dest=$(echo $2 | sed 's/^[\/]*//;s/[\/]*$//')
src="${src//\//\\/}"
dest="${dest//\//\\/}"
target=$(echo $file | sed "s/$src/$dest/g")
deploy_file "$file" "$root/$target"
echo "$target" >> "$deployed_file"
fi
done < <(cat "$modman_file")
else
deploy_file "$file" "$root/$target"
echo "$file" >> "$deployed_file"
fi
fi
done < <(find . -type f | grep -v '^\.\/.git.*' | sed 's/^\.\///')
return 0
}
# Creates module dir, clones git repo and optionally stores include/exclude filters
create_module()
{
local repo=$1;
local module=$2
local module_dir="$modgit_dir/$module"; shift 2
local source_dir="$module_dir/source"
local git_options=$@
cd "$modgit_dir"
if ! git clone --recursive $git_options -- $repo "$source_dir"; then
echo_b "Error cloning $repo to $source_dir."
rm -rf "$module_dir" 2>/dev/null
exit 1
fi
if ! [ -z $includes ]; then
echo -e $includes > "$module_dir/includes.modgit"
fi
if ! [ -z $excludes ]; then
echo -e $excludes > "$module_dir/excludes.modgit"
fi
return 0
}
# Updates a module
update_module()
{
local module=$1
local module_dir="$modgit_dir/$module"
local source_dir="$module_dir/source"
local success=0
require_module_dir "$module"
cd "$source_dir"
git pull && git submodule update --init --recursive && success=1
if [ $success -eq 1 ] &&
delete_files "$module" &&
move_files "$module";
then
return 0
else
return 1
fi
}
# Try to find .modgit dir
_pwd=$(pwd -P)
root=$_pwd
if ! [ -d $root/.modgit ]; then
echo_b "-e" "Module Git directory not found.\nRun \"$script init\" in the root of your project."
exit 1
fi
modgit_dir=$root/.modgit # path to .modgit
# list command
if [ "$1" = "list" ]; then
if [ -n "$2" ]; then echo "Too many arguments for list command."; exit 1; fi
while read -d $'\n' module; do
test -d "$modgit_dir/$module" || continue;
require_module_dir "$module" && echo "$module"
done < <(ls -1 "$modgit_dir")
exit 0
# update-all command
elif [ "$1" = "update-all" ]; then
if [ -n "$2" ]; then echo "Too many arguments for update-all command."; exit 1; fi
update_errors=0
updated=''
while read -d $'\n' module; do
test -d "$modgit_dir/$module" || continue;
echo "Updating $module..."
if ! update_module "$module"; then
echo_b "-e" "Error occurred while updating '$module'.\n"
update_errors=$((update_errors+1))
fi
done < <(ls -1 "$modgit_dir")
echo_b "Updated all modules with $update_errors update errors."
exit 0
# remove-all command
elif [ "$1" = "remove-all" ]; then
if [ -n "$2" ]; then echo "Too many arguments for remove-all command."; exit 1; fi
removeall_errors=0
removeall=''
while read -d $'\n' module; do
test -d "$modgit_dir/$module" || continue;
echo "Remove $module..."
if ! delete_module "$module"; then
echo_b "-e" "Error occurred while masive remove '$module'.\n"
removeall_errors=$((removeall_errors+1))
fi
done < <(ls -1 "$modgit_dir")
echo_b "Remove all modules with $removeall_errors remove errors."
exit 0
fi
#############################################
# Handle all other module-specific commands #
#############################################
REGEX_ACTION='(clone|update|remove|tmp)'
# Action is first argument
action=''
if [[ "$1" =~ $REGEX_ACTION ]]; then
action=$1; shift
fi
# If no module discovered or valid module is specified on command line
if [ -z "$module" ] || [ -n "$1" -a -d "$modgit_dir/$1" ]; then
module=$1; shift # module name is first argument
fi
[ -z "$module" ] && { echo_b "Not enough arguments (no module specified)"; exit 1; }
[ -z "$action" ] && { echo_b "Not enough arguments (no action specified)"; exit 1; }
cd "$_pwd" # restore old root
module_dir="$modgit_dir/$module" # working copy directory for module
# Handle module action
case "$action" in
clone)
if [[ "$module" =~ $REGEX_ACTION ]]; then
echo_b "-e" "You cannot $action a module with a name matching $REGEX_ACTION.\nModule specified: $module" && exit 1
fi
if [[ "$module" =~ [^a-z0-9_-]+ ]]; then
echo_b "-e" "You cannot $action a module with a name not matching [^a-z0-9_-]+ pattern.\nModule specified: $module" && exit 1
fi
if [ -d "$module_dir" ]; then
echo_b "A module with this name has already been cloned." && exit 1
fi
repo=$1; shift
create_module $repo $module $@ && success=1
if [ $success -eq 1 ]; then
if require_module_dir "$module" &&
move_files "$module";
then
echo_b "Clone of $module complete."
fi
else
if [ -d "$module_dir" ]; then rm -rf "$module_dir"; fi
echo_b "Error cloning $module, operation cancelled."
fi
;;
update)
if update_module "$module"
then
echo_b "Update of $module complete."
else
echo_b "Error updating $module, operation cancelled."
fi
;;
remove)
if require_module_dir "$module" &&
delete_module "$module";
then
echo_b "Removal of $module complete."
else
echo_b "Error removing $module, operation cancelled."
fi
;;
*)
echo -e "$usage"
echo_b "Invalid action: $action";
exit;
esac