From 9b1bbffbc43931bd19692c1524f3d41ad7fcd125 Mon Sep 17 00:00:00 2001
From: Timerix <timerix11@gmail.com>
Date: Fri, 12 Jul 2024 01:55:58 +0300
Subject: [PATCH] v2.0.0

---
 CHANGELOG.md                      |  18 +++-
 call_task.sh                      |  26 ------
 cbuild.sh                         | 134 ++++++++++++++++++++++++++++++
 chmod_scripts.sh                  |  10 +--
 colors.sh                         |  11 ---
 config.sh                         |  74 +++++++++++++++++
 default.Makefile                  |  95 ---------------------
 default.config                    |   6 +-
 default_tasks/build_exec.sh       |   2 +-
 default_tasks/build_shared_lib.sh |   2 +-
 default_tasks/build_static_lib.sh |   2 +-
 default_tasks/callgrind.sh        |   2 +-
 default_tasks/clean.sh            |   6 +-
 default_tasks/exec.sh             |   2 +-
 default_tasks/gprof.sh            |   2 +-
 default_tasks/profile.sh          |   2 +-
 default_tasks/valgrind.sh         |   2 +-
 detect_os.sh                      |  47 +++++------
 functions.sh                      |  28 ++-----
 init.sh                           |  78 -----------------
 myprint.sh                        |  82 ++++++++++++++++++
 rebuild_dep.sh                    |  10 ++-
 setup.sh                          |  35 ++------
 23 files changed, 372 insertions(+), 304 deletions(-)
 delete mode 100755 call_task.sh
 create mode 100644 cbuild.sh
 delete mode 100755 colors.sh
 create mode 100644 config.sh
 delete mode 100644 default.Makefile
 delete mode 100755 init.sh
 create mode 100644 myprint.sh

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9f04fe4..9e0afe1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,16 @@
-# v7
+# 2.0.0
++ updated setup.sh to do system-wide installation
++ deleted makefile (call `./cbuild.sh` or installed `cbuild`)
++ added command line arguments: 
+    + `--help`
+    + `--current-config`
+    + `--default-config`
+    + `--new-project`
++ all shebang changed to `#!/usr/bin/env bash`
++ `init.sh` became `config.sh` with function `load_config`
++ moved color variables and print functions to `myprint.sh`
+
+# v1.7.0
 + added function `resolve_dependencies` to `link`
 + added variables `DEPS_BASEDIR` and `DEPS` to config
 + added script `rebuild_dep.sh` which can be called through `Makefile`
@@ -7,7 +19,7 @@
 + added task `no_task` which is been set in `init.sh` when `TASK` is empty
 + now `STATIC_LIB_FILE` starts with "lib"
 
-# v6
+# v1.6.0
 + `build_profile` task was split to `profile` and `gprof`
 + added task `sanitize`
 + default C++ standard set to `c++11`
@@ -16,7 +28,7 @@
 + added function `try_delete_dir_or_file` for `clean` task
 + dead code removal in `build_exec` and `build_static_lib`
 
-# v5
+# v1.5.0
 + added task `clean`
 + added task `exec_dbg`
 + added task `build_profile`
diff --git a/call_task.sh b/call_task.sh
deleted file mode 100755
index 0618ac0..0000000
--- a/call_task.sh
+++ /dev/null
@@ -1,26 +0,0 @@
-#!/bin/bash
-
-function exec_script {
-    myprint "${BLUE}executing $1"
-    source "$1"
-}
-
-function try_exec_script {
-    if [ -f "$1" ]; then
-        exec_script "$1"
-    fi
-}
-
-function call_task {
-    TASK="$1"
-    source cbuild/init.sh
-    myprint "${CYAN}===========[$TASK]==========="
-    myprint "${WHITE}project: ${CYAN}$PROJECT"
-    try_exec_script "$PRE_TASK_SCRIPT"
-    exec_script "$TASK_SCRIPT"
-    try_exec_script "$POST_TASK_SCRIPT"
-}
-
-time call_task "$1"
-# new line
-echo
diff --git a/cbuild.sh b/cbuild.sh
new file mode 100644
index 0000000..7d0aa87
--- /dev/null
+++ b/cbuild.sh
@@ -0,0 +1,134 @@
+#!/usr/bin/env bash
+
+tabs 4
+
+# exit on errors
+set -eo pipefail
+
+INSTALLED_CBUILD_VERSION=2.0.0
+
+if [ -z "$CBUILD_INSTALL_DIR" ]; then
+    CBUILD_INSTALL_DIR="/usr/local/share/cbuild"
+fi
+
+function include {
+    local script_path="$1"
+    if [[ "$script_path" == cbuild/* ]]; then
+        script_path="$CBUILD_INSTALL_DIR/$(safeprint $script_path | sed 's,^cbuild/,,')"
+    fi
+    # echp "including script $script_path"
+    . "$script_path"
+}
+
+function include_if_not_null {
+    if [ ! -z "$1" ]; then
+        include "$1"
+    fi
+}
+
+include "cbuild/myprint.sh"
+include "cbuild/functions.sh"
+include "cbuild/config.sh"
+
+function print_help_and_exit {
+    myprint "Usage: cbuild [OPTIONS] [TASK]"
+    myprint "    -h, --help                     Show this message"
+    myprint "    -n, --new-project  [PROJ_DIR]  Initialize new cbuild project directory (default=./)"
+    myprint "    -c, --current-config  FILE     Set current config file path (default=./current.config)"
+    myprint "    -d, --default-config  FILE     Set default config file path (default=./current.config)"
+    exit 0
+}
+
+current_config_path="./current.config"
+default_config_path="./default.config"
+args=($@)
+args_len=${#args[@]}
+selected_tasks_array=()
+i=0
+if [ $args_len -eq 0 ]; then
+    print_help_and_exit
+fi
+
+function get_next_arg {
+    i=$((i+1))
+    safeprint "${args[i]}"
+}
+
+while [ $i -lt $args_len ]
+do
+    case "${args[i]}" in
+        '-h' | '--help')
+            print_help_and_exit
+            ;;
+        '-c' | '--current-config')
+            i=$((i+1))
+            current_config_path="${args[i]}"
+            myprint "<$current_config_path>"
+            exit
+            ;;
+        '-d' | '--default-config')
+            default_config_path="$(get_next_arg)"
+            ;;
+        '-n' | '--new-project')
+            new_project_dir="$(get_next_arg)"
+            if [ -z "$new_project_dir" ]; then
+                new_project_dir="./"
+            fi
+            
+            if ask_yn "create default.config?"; then
+                cp "$CBUILD_INSTALL_DIR/default.config" "$new_project_dir"
+                project_name="$(ask 'Enter project name')"
+                sed -i "s,\%PROJECT_NAME\%,$project_name,g"
+            fi
+            if ask_yn "Copy default .gitignore?"; then
+                cp "$CBUILD_INSTALL_DIR/.gitignore" "$new_project_dir"
+            fi
+            ;;
+        *)
+            selected_tasks_array+=(${args[i]})
+            ;;
+    esac
+    i=$((i+1))
+done
+
+function call_task {
+    local current_config_path="$1"
+    local default_config_path="$2"
+    local task="$3"
+
+    print_header "${CYAN}" "─" "$task"
+    load_config "$task" "$current_config_path" "$default_config_path"
+    resolve_dependencies "$DEPS_BASEDIR" "$DEPS"
+
+    myprint "${BLUE}executing $PRE_TASK_SCRIPT"
+    # include_if_not_null "$PRE_TASK_SCRIPT"
+
+    myprint "${BLUE}executing $TASK_SCRIPT"
+    # include "$TASK_SCRIPT"
+
+    myprint "${BLUE}executing $POST_TASK_SCRIPT"
+    # include_if_not_null "$POST_TASK_SCRIPT"
+    myprint "error"
+}
+
+function call_tasks {
+    local tasks="$@"
+    myprint "$tasks"
+    
+    print_header "${WHITE}" "═" "$PROJECT"
+    for task in $tasks ; do
+        call_task  "$task"
+    done
+    print_hline "${WHITE}" "═"
+}
+
+time call_tasks "${selected_tasks_array[@]}" #2>&1 | tee cbuild.log
+# remove terminal escape codes
+sed -e 's/[^[:blank:][:print:]]//g' \
+    -e 's/\[0;[0-9][0-9]m//g' \
+    -e 's/\[0;[0-9]m//g' \
+    -e 's/\[[0-9][0-9]m//g' \
+    -e 's/\[[0-9]m//g' \
+    -e 's/  H  //g' \
+    -e 's/\[3gH  //g' \
+    -i cbuild.log
diff --git a/chmod_scripts.sh b/chmod_scripts.sh
index 3d54f1c..ba91258 100755
--- a/chmod_scripts.sh
+++ b/chmod_scripts.sh
@@ -1,7 +1,7 @@
-#!/bin/bash
-SCRIPTS="$(find ./ -name '*.sh')"
-for F in $SCRIPTS
+#!/usr/bin/env bash
+
+for f in $(find ./ -name '*.sh')
 do
-    echo "$F"
-    chmod +x "$F"
+    chmod a+x "$f"
+    ls -lh "$f"
 done
diff --git a/colors.sh b/colors.sh
deleted file mode 100755
index e3e8363..0000000
--- a/colors.sh
+++ /dev/null
@@ -1,11 +0,0 @@
-#!/bin/bash
-
-BLACK='\033[0;30m'
-GRAY='\033[0;37m'
-WHITE='\033[0;97m'
-RED='\033[0;91m'
-GREEN='\033[0;92m'
-YELLOW='\033[0;93m'
-BLUE='\033[0;94m'
-PURPLE='\033[0;95m'
-CYAN='\033[0;96m'
diff --git a/config.sh b/config.sh
new file mode 100644
index 0000000..32d1775
--- /dev/null
+++ b/config.sh
@@ -0,0 +1,74 @@
+#!/usr/bin/env bash
+
+include cbuild/myprint.sh
+include cbuild/functions.sh
+include cbuild/detect_os.sh
+
+function load_config {
+    TASK="$1"
+    local current_config_path="$2"
+    local default_config_path="$3"
+
+    OS=$(detect_os)
+    myprint "${GREEN}detected OS: $OS"
+
+    function exec_script_line {
+        local script="$1"
+        local line_num="$2"
+        myprint "${BLUE}reading line $line_num from $script"
+        local line_str="$(sed $line_num'!d' $script)"
+        myprint "$line_str"
+        eval "$line_str"
+    }
+
+    # getting version of cbuild installation
+    if [ -z "$INSTALLED_CBUILD_VERSION" ]; then
+        error "couldnt get current cbuild installation version"
+    fi
+
+    # getting version of default config
+    exec_script_line "$default_config_path" 3
+    DEFAULT_CONFIG_VERSION="$CONFIG_VERSION"
+    unset CONFIG_VERSION
+
+    # undefined task
+    [ -z "$TASK" ] && TASK="no_task"
+
+    # error on undefined
+    set -u
+
+    # reading current config or creating default
+    if [ ! -f "$current_config_path" ]; then
+        myprint "${YELLOW}$current_config_path doesn't exist"
+        cp "$$default_config_path" "$current_config_path"
+        myprint "${YELLOW}Created copy (${current_config_path}) of default config (${default_config_path})"
+    fi
+
+    myprint "${BLUE}reading $current_config_path"
+    include "$current_config_path"
+
+    myprint "${WHITE}project: ${CYAN}$PROJECT"
+
+    myprint "${WHITE}${current_config_path} cbuild version: ${CYAN}$CBUILD_VERSION"
+    myprint "${WHITE}installed cbuild version: ${CYAN}$INSTALLED_CBUILD_VERSION"
+    myprint "${WHITE}${current_config_path} version: ${CYAN}$CONFIG_VERSION"
+    myprint "${WHITE}${default_config_path} version: ${CYAN}$DEFAULT_CONFIG_VERSION"
+
+    # checking versions
+    if [ ! "$CBUILD_VERSION" -eq "$INSTALLED_CBUILD_VERSION" ]; then
+        error "config was created for outdated cbuild version"
+    fi
+    if [ ! "$CONFIG_VERSION" -eq "$DEFAULT_CONFIG_VERSION" ]; then
+        error "config version isn't correct"
+    fi
+
+    mkdir -p "$OUTDIR"
+    mkdir -p "$OBJDIR/libs"
+    mkdir -p "$OBJDIR/objects"
+    mkdir -p "$OBJDIR/profile"
+
+    # dont thorw error on undefined variable
+    set +u
+
+    myprint "${GREEN}cbuild initialized!"
+}
\ No newline at end of file
diff --git a/default.Makefile b/default.Makefile
deleted file mode 100644
index ce0b08f..0000000
--- a/default.Makefile
+++ /dev/null
@@ -1,95 +0,0 @@
-######################################
-######       Build tasks       #######
-######################################
-
-all: build_exec_dbg
-
-# creates executable using profiling info generated by profile
-build_exec: profile
-	@cbuild/call_task.sh build_exec  2>&1 | tee -a make_raw.log
-
-# creates executable with debug info and no optimizations
-build_exec_dbg:
-	@cbuild/call_task.sh build_exec_dbg 2>&1 | tee make_raw.log
-
-# creates shared library
-build_shared_lib:
-	@cbuild/call_task.sh build_shared_lib 2>&1 | tee make_raw.log
-
-# creates shared library with debug symbols and no optimizations
-build_shared_lib_dbg:
-	@cbuild/call_task.sh build_shared_lib_dbg 2>&1 | tee make_raw.log
-
-# creates static library
-build_static_lib:
-	@cbuild/call_task.sh build_static_lib 2>&1 | tee make_raw.log
-
-# creates static library with debug symbols and no optimizations
-build_static_lib_dbg:
-	@cbuild/call_task.sh build_static_lib_dbg 2>&1 | tee make_raw.log
-
-######################################
-######   Rebuild dependencies  #######
-######################################
-
-# recompile libsome.a in the next build task
-#rebuild_some_dep:
-#	@cbuild/rebuild_dep.sh libsome.a 2>&1 | tee make_raw.log
-
-#rebuild_all: rebuild_some_dep
-
-######################################
-######       Launch tasks      #######
-######################################
-
-# executes $EXEC_FILE
-exec: build_exec
-	@cbuild/call_task.sh exec 2>&1 | tee -a make_raw.log
-
-# executes $EXEC_FILE
-exec_dbg: build_exec_dbg
-	@cbuild/call_task.sh exec 2>&1 | tee -a make_raw.log
-
-# executes $EXEC_FILE with valgrind memory checker
-valgrind: build_exec_dbg
-	@cbuild/call_task.sh valgrind 2>&1 | tee -a make_raw.log
-
-# generates profiling info
-profile:
-	@cbuild/call_task.sh profile 2>&1 | tee make_raw.log
-
-# compiles program with -pg and runs it with gprof
-# uses gprof2dot python script to generate function call tree (pip install gprof2dot)
-# requires graphviz (https://www.graphviz.org/download/source/)
-gprof:
-	@cbuild/call_task.sh gprof 2>&1 | tee make_raw.log
-
-# compiles program and runs it with callgrind (part of valgrind)
-# uses gprof2dot python script to generate function call tree (pip install gprof2dot)
-# requires graphviz (https://www.graphviz.org/download/source/)
-# P.S. detailed results can be viewed in KCacheGrind
-callgrind:
-	@cbuild/call_task.sh callgrind 2>&1 | tee make_raw.log
-
-# compiles executable with sanitizers and executes it to find errors and warnings
-sanitize:
-	@cbuild/call_task.sh sanitize 2>&1 | tee make_raw.log
-
-######################################
-######       Other tasks       #######
-######################################
-
-# deletes generated files
-clean:
-	@cbuild/call_task.sh clean 2>&1 | tee make_raw.log
-
-# removes all unreadable characters copied from stdio
-fix_log:
-	sed 's/[^[:blank:][:print:]]//g' make_raw.log \
-		| sed 's/\[0;[0-9][0-9]m//g' \
-		| sed 's/\[0;[0-9]m//g' \
-		| sed 's/\[[0-9][0-9]m//g' \
-		| sed 's/\[[0-9]m//g' \
-		| sed 's/  H  //g' \
-		| sed 's/\[3gH  //g' \
-		> make_fixed.log
diff --git a/default.config b/default.config
index 99378eb..24c23db 100644
--- a/default.config
+++ b/default.config
@@ -1,8 +1,8 @@
-#!/bin/bash
-CBUILD_VERSION=7
+#!/usr/bin/env bash
+CBUILD_VERSION=2.0.0
 CONFIG_VERSION=1
 
-PROJECT="NULL"
+PROJECT="%PROJECT_NAME%"
 CMP_C="gcc"
 CMP_CPP="g++"
 STD_C="c11"
diff --git a/default_tasks/build_exec.sh b/default_tasks/build_exec.sh
index 8908ab3..321d5fa 100755
--- a/default_tasks/build_exec.sh
+++ b/default_tasks/build_exec.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # delete old objects
 clean_dir "$OBJDIR/objects"
diff --git a/default_tasks/build_shared_lib.sh b/default_tasks/build_shared_lib.sh
index c358f5a..45d0574 100755
--- a/default_tasks/build_shared_lib.sh
+++ b/default_tasks/build_shared_lib.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # delete old objects
 clean_dir "$OBJDIR/objects"
diff --git a/default_tasks/build_static_lib.sh b/default_tasks/build_static_lib.sh
index 442d9aa..e2db349 100755
--- a/default_tasks/build_static_lib.sh
+++ b/default_tasks/build_static_lib.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # delete old objects
 clean_dir "$OBJDIR/objects"
diff --git a/default_tasks/callgrind.sh b/default_tasks/callgrind.sh
index 9e9d070..bb43dcb 100644
--- a/default_tasks/callgrind.sh
+++ b/default_tasks/callgrind.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 cd "$OUTDIR"
 
diff --git a/default_tasks/clean.sh b/default_tasks/clean.sh
index 4f4a2fb..336af1f 100644
--- a/default_tasks/clean.sh
+++ b/default_tasks/clean.sh
@@ -1,4 +1,4 @@
-#!/usr/bin/bash
+#!/usr/bin/env bash
 
 try_delete_dir_or_file "$OBJDIR"
 try_delete_dir_or_file "$OUTDIR"
@@ -14,8 +14,8 @@ OLDIFS="$IFS"
 IFS=$'\n'
 cd "$DEPS_BASEDIR"
 for dep in $DEPS; do
-    dep_dir=$(echo ${dep/=*/} | tr -d '[:blank:]')
-    myprint "${CYAN}--------------[$dep_dir]--------------"
+    dep_dir=$(safeprint ${dep/=*/} | tr -d '[:blank:]')
+    print_header "${CYAN}" "─" "$dep_dir"
     cd "$dep_dir"
     make clean
     cd ..
diff --git a/default_tasks/exec.sh b/default_tasks/exec.sh
index a7bfe7e..af5188d 100755
--- a/default_tasks/exec.sh
+++ b/default_tasks/exec.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 cd "$OUTDIR"
 ./$EXEC_FILE
diff --git a/default_tasks/gprof.sh b/default_tasks/gprof.sh
index edcc59e..5e1e803 100644
--- a/default_tasks/gprof.sh
+++ b/default_tasks/gprof.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 cd "$OUTDIR"
 
diff --git a/default_tasks/profile.sh b/default_tasks/profile.sh
index 39be355..5dce3da 100644
--- a/default_tasks/profile.sh
+++ b/default_tasks/profile.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 cd "$OUTDIR"
 
diff --git a/default_tasks/valgrind.sh b/default_tasks/valgrind.sh
index 57c6892..86d02ca 100755
--- a/default_tasks/valgrind.sh
+++ b/default_tasks/valgrind.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 cd "$OUTDIR"
 rm -f "valgrind.log"
diff --git a/detect_os.sh b/detect_os.sh
index 9bbbfd8..b69e5d4 100644
--- a/detect_os.sh
+++ b/detect_os.sh
@@ -1,26 +1,25 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
-source cbuild/colors.sh
+include "cbuild/myprint.sh"
 
-uname_result="$(uname -o)"
-myprint "${GRAY}uname result: '$uname_result'"
-
-case "$uname_result" in
-    Msys | Cygwin | "MS/Windows")
-        OS=WINDOWS
-        ;;
-    Linux | GNU/Linux | Android)
-        OS=LINUX
-        ;;
-    FreeBSD)
-        OS=FREEBSD
-        ;;
-    Darwin)
-        OS=MACOS
-        ;;
-    *)
-        error "unknown operating system: $uname_result"
-        ;;
-esac
-
-myprint "${GREEN}detected OS: $OS"
+function detect_os {
+    local uname_rezult="$(uname -o)"
+    # myprint "uname rezult: '$uname_rezult'"
+    case "$uname_rezult" in
+        Msys | Cygwin | MS/Windows)
+            safeprint WINDOWS
+            ;;
+        Linux | GNU/Linux | Android)
+            safeprint LINUX
+            ;;
+        FreeBSD)
+            safeprint FREEBSD
+            ;;
+        Darwin)
+            safeprint MACOS
+            ;;
+        *)
+            error "unknown operating system: $uname_rezult"
+            ;;
+    esac
+}
diff --git a/functions.sh b/functions.sh
index 14d6dea..17d4f73 100755
--- a/functions.sh
+++ b/functions.sh
@@ -1,14 +1,6 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
-function myprint {
-    # first gray is needed to print string trarting with -
-    printf "${GRAY}$@${GRAY}\n"
-}
-
-function error {
-    myprint "${RED}$1"
-    exit 1
-}
+include "cbuild/myprint.sh"
 
 function clean_dir {
     local dir="$1"
@@ -31,7 +23,6 @@ function try_delete_dir_or_file {
     fi
 }
 
-
 function compile {
     local cmp="$1"
     myprint "${BLUE}compiler: ${GRAY}$cmp"
@@ -59,25 +50,25 @@ function compile {
 
 # (args, sources)
 function compile_c {
-	myprint "${CYAN}-------------[compile_c]--------------"
+    print_header "${CYAN}" "─" "compile_c"
     compile "$CMP_C" "$STD_C" "$WARN_C" "$1" "$INCLUDE" "$2"
 }
 
 # (args, sources)
 function compile_cpp {
-	myprint "${CYAN}------------[compile_cpp]-------------"
+    print_header "${CYAN}" "─" "compile_cpp"
     compile "$CMP_CPP" "$STD_CPP" "$WARN_CPP" "$1" "$INCLUDE" "$2"
 }
 
 # (outfile)
 function pack_static_lib {
-	myprint "${CYAN}----------[pack_static_lib]-----------"
+    print_header "${CYAN}" "─" "pack_static_lib"
     local outfile="$1"
     myprint "${BLUE}outfile: ${GRAY}$outfile"
     local objects="$(find $OBJDIR/objects -name *.o)
 $(find $OBJDIR/libs -name '*.a')"
     myprint "${BLUE}objects: ${GRAY}$objects"
-    if ar rcs "$OUTDIR/$outfile" $(echo "$objects" | tr '\n' ' ')
+    if ar rcs "$OUTDIR/$outfile" $(safeprint "$objects" | tr '\n' ' ')
     then
         myprint "${GREEN}file $CYAN$outfile ${GREEN}created"
     else
@@ -124,7 +115,7 @@ function resolve_dependencies {
     # handling dependencies
     for dep in $deps; do
         IFS="$OLDIFS"
-        dep_dir=$(echo ${dep/=*/} | tr -d '[:blank:]')
+        dep_dir=$(safeprint ${dep/=*/} | tr -d '[:blank:]')
         eval 'dep_params=$'$dep_dir
         f_args="$deps_basedir $dep_dir $dep_params"
         myprint "${BLUE}resolving dependency ${WHITE}$dep_dir${BLUE}: ${GRAY}$f_args"
@@ -135,16 +126,15 @@ function resolve_dependencies {
 }
 
 function link {
-	myprint "${CYAN}----------------[link]----------------"
+    print_header "${CYAN}" "─" "link"
     local args="$1"
     local outfile="$2"
-    resolve_dependencies "$DEPS_BASEDIR" "$DEPS"
     myprint "${BLUE}args: ${GRAY}$args"
     myprint "${BLUE}outfile: ${GRAY}$outfile"
     local objects="$(find $OBJDIR/objects -name '*.o')
 $(find $OBJDIR/libs -name '*.a')"
     myprint "${BLUE}objects: ${GRAY}$objects"
-    local command="$CMP_CPP  $(echo "$objects" | tr '\n' ' ') $args -o $OUTDIR/$outfile"
+    local command="$CMP_CPP  $(safeprint "$objects" | tr '\n' ' ') $args -o $OUTDIR/$outfile"
     myprint "$command"
     if $command
     then
diff --git a/init.sh b/init.sh
deleted file mode 100755
index ce9c336..0000000
--- a/init.sh
+++ /dev/null
@@ -1,78 +0,0 @@
-#!/bin/bash
-
-tabs 4
-
-# exit on errors
-set -eo pipefail
-
-source cbuild/colors.sh
-source cbuild/functions.sh
-source cbuild/detect_os.sh
-
-
-# copying default config from cbuild if it not exists
-if [ ! -f default.config ]; then
-    cp cbuild/default.config default.config
-    myprint "${YELLOW}Default config didn't exist, copied from cbuild."
-fi
-
-function exec_script_line {
-    local script="$1"
-    local line_num="$2"
-    myprint "${BLUE}reading line $line_num from $script"
-    local line_str="$(sed $line_num'!d' $script)"
-    myprint "$line_str"
-    eval "$line_str"
-}
-
-# getting version of cbuild installation
-exec_script_line cbuild/default.config 2
-INSTALLED_CBUILD_VERSION="$CBUILD_VERSION"
-unset CBUILD_VERSION
-
-# getting version of default config
-exec_script_line default.config 3
-DEFAULT_CONFIG_VERSION="$CONFIG_VERSION"
-unset CONFIG_VERSION
-
-# undefined task
-[ -z "$TASK" ] && TASK="no_task"
-
-# error on undefined
-set -u
-
-# reading current config or creating default
-if [ ! -f current.config ]; then
-    myprint "${YELLOW}./current.config doesn't exist"
-    cp default.config current.config
-    myprint "${YELLOW}New config created from the default.\nEdit it."
-    exit
-fi
-
-myprint "${BLUE}reading ./current.config"
-source current.config
-
-myprint "${WHITE}project: ${CYAN}$PROJECT"
-
-myprint "${WHITE}current.config cbuild version: ${CYAN}$CBUILD_VERSION"
-myprint "${WHITE}installed cbuild version: ${CYAN}$INSTALLED_CBUILD_VERSION"
-myprint "${WHITE}current.config version: ${CYAN}$CONFIG_VERSION"
-myprint "${WHITE}default.config version: ${CYAN}$DEFAULT_CONFIG_VERSION"
-
-# checking versions
-if [ ! "$CBUILD_VERSION" -eq "$INSTALLED_CBUILD_VERSION" ]; then
-    error "config was created for outdated cbuild version"
-fi
-if [ ! "$CONFIG_VERSION" -eq "$DEFAULT_CONFIG_VERSION" ]; then
-    error "config version isn't correct"
-fi
-
-mkdir -p "$OUTDIR"
-mkdir -p "$OBJDIR/libs"
-mkdir -p "$OBJDIR/objects"
-mkdir -p "$OBJDIR/profile"
-
-# dont thorw error on undefined variable
-set +u
-
-myprint "${GREEN}cbuild initialized!"
diff --git a/myprint.sh b/myprint.sh
new file mode 100644
index 0000000..c64c2db
--- /dev/null
+++ b/myprint.sh
@@ -0,0 +1,82 @@
+#!/usr/bin/env bash
+
+BLACK='\033[0;30m'
+GRAY='\033[0;37m'
+WHITE='\033[0;97m'
+RED='\033[0;91m'
+GREEN='\033[0;92m'
+YELLOW='\033[0;93m'
+BLUE='\033[0;94m'
+PURPLE='\033[0;95m'
+CYAN='\033[0;96m'
+
+# prints text without new line
+# use it to return string values from functions
+function safeprint {
+    printf "%s" "$@"
+}
+
+# prints text with new line and resets color
+function myprint {
+    safeprint "$@${GRAY}\n"
+}
+
+# print message and exit
+function error {
+    myprint "$@"
+    exit 1
+}
+
+# asks a question with two options and returns 0 or 1
+# usage: `if ask_yn "do something?"`
+function ask_yn {
+    local answ=""
+    myprint "$@ [y/n]"
+    read -r answ
+    return $([[ "$answ" = [Yy] ]]); 
+}
+
+# asks a question and prints answer
+function ask {
+    local answ=""
+    myprint "$@: "
+    read -r answ
+    safeprint "$answ"
+}
+
+# prints horizontal line occupying whole terminal row
+# https://en.wikipedia.org/wiki/Box-drawing_characters
+function print_hline {
+    local color="$1"
+    local character="$2"
+    if [ -z "$color" ]; then
+        color="${GRAY}"
+    fi
+    if [ -z "$character" ]; then
+        character="-";
+    fi
+    printf "${color}%.s${character}" $(seq 2 $(tput cols))
+    printf "${GRAY}\n"
+}
+
+# prints horizontal line occupying whole terminal row with a given label 
+function print_header {
+    local color="$1"
+    local character="$2"
+    local label="$3"
+    if [ -z "$color" ]; then
+        color="${GRAY}"
+    fi
+    if [ -z "$character" ]; then
+        character="-";
+    fi
+    local term_width=$(tput cols)
+    local label_length=${#label}
+    local line_characters_count=$((term_width - label_length - 2))
+    local letf_line_length=$(( line_characters_count / 2 ))
+    local right_line_length=$(( letf_line_length + line_characters_count % 2 ))
+    printf "${color}%.s${character}" $(seq 1 $letf_line_length)
+    printf "[${label}]"
+    printf "${color}%.s${character}" $(seq 2 $right_line_length)
+    printf "${GRAY}\n"
+}
diff --git a/rebuild_dep.sh b/rebuild_dep.sh
index d0303cb..12a97b0 100644
--- a/rebuild_dep.sh
+++ b/rebuild_dep.sh
@@ -1,7 +1,11 @@
-#!/bin/bash
-source "cbuild/init.sh"
+#!/usr/bin/env bash
+echo "ERROR: rebuild_dep.sh IS OBSOLETE"
+exit 1
 
+include "cbuild/config.sh"
+
+load_config
 target_file="$1"
 touch ".rebuild_$target_file.tmp"
 rm -fv "$OBJDIR/libs/$target_file"
-myprint "${YELLOW}dependency ${WHITE}$target_file ${YELLOW}will be rebuilt with the next build task"
+myprint "${YELLOW}dependency ${WHITE}$target_file ${YELLOW}will be rebuilt during the next build task"
diff --git a/setup.sh b/setup.sh
index 457ebac..902759c 100644
--- a/setup.sh
+++ b/setup.sh
@@ -1,32 +1,15 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # exit on errors
 set -eo pipefail
+set -x
 
-# help
-if [ $# -eq 0 ] || [ "$1" = "h" ] || [ "$1" = "-h" ] || [ "$1" = "--help" ] || [ "$1" = "/?" ]; then
-    echo "usage: setup.sh [ submodule | standalone ]"
-    echo "    submodule  - add to existing git repo as submodule"
-    echo "    standalone - keep independent git repo"
+if [ -z "$CBUILD_INSTALL_DIR" ]; then
+    CBUILD_INSTALL_DIR="/usr/local/share/cbuild"
 fi
 
-case "$1" in
-    submodule)
-        echo "mode - $1"
-        git submodule add ./cbuild
-    ;;
-    standalone)
-        echo "mode - $1"
-    ;;
-    *)
-        echo "invalid argument: $1"
-        exit -1
-    ;;
-esac
-
-cp cbuild/default.Makefile Makefile
-cp cbuild/default.config ./
-
-echo "copy default .gitignore? [y/any]"
-read answ
-[[ "$answ"="y" ]] && cp cbuild/.gitignore ./
+if [ "$CBUILD_INSTALL_DIR" != "." ]; then
+    cp -r ./ "$CBUILD_INSTALL_DIR"
+    rm -rf "$CBUILD_INSTALL_DIR/.git"
+fi
+ln -sfv "$(realpath $CBUILD_INSTALL_DIR/cbuild.sh)" -T "/usr/local/bin/cbuild"