first version

iceline.sh

@@ -0,0 +1,111 @@
+#!/bin/bash
+
+case "$-" in
+*i*) ;;
+*) return ;;
+esac
+
+# Time color
+PROMPT_COL_TIME='\[\e[0;37m\]'
+# user@host color
+PROMPT_COL_USER_HOST='\[\e[1;32m\]'
+# root user color
+PROMPT_COL_ROOT='\[\e[1;31m\]'
+# Working directory color
+PROMPT_COL_WORK_DIR='\[\e[1;34m\]'
+# Clean git branch color
+PROMPT_COL_GIT_CLEAN='\[\e[1;35m\]'
+# Dirty git branch color
+PROMPT_COL_GIT_DIRTY='\[\e[1;33m\]'
+# Success exit code color
+PROMPT_COL_SUCCESS='\[\e[1;32m\]'
+# Failure exit code color
+PROMPT_COL_FAILURE='\[\e[1;31m\]'
+# Line color
+PROMPT_COL_LINE='\[\e[0;37m\]'
+# Time format
+PROMPT_TIME_FORMAT='%H:%M:%S'
+# Prompt character
+PROMPT_CHARACTER='>'
+# Initial newline
+PROMPT_ENABLE_NEWLINE=1
+# Line toggle
+PROMPT_ENABLE_LINE=1
+
+_parse_git_branch() {
+    # Queries the branch of the current Git repository.
+
+    if ! git_branch="$(git branch 2>/dev/null)" || [ -z "$git_branch" ]; then
+        return 1
+    fi
+
+    git_branch="${git_branch#* }"
+
+    printf '%s' "$git_branch"
+}
+
+_parse_git_changes() {
+    # Queries whether there's changes in the current Git repository.
+
+    if ! git_status="$(git status --porcelain 2>/dev/null)"; then
+        return 1
+    fi
+
+    if [ -z "$git_status" ]; then
+        printf '%s' "$PROMPT_COL_GIT_CLEAN"
+    else
+        printf '%s' "$PROMPT_COL_GIT_DIRTY"
+    fi
+}
+
+_prompt_command() {
+    # Last exit code
+    last_exit="$?"
+
+    # Exit code color
+    case "$last_exit" in
+    0 | 130) prompt_color="$PROMPT_COL_SUCCESS" ;;
+    *) prompt_color="$PROMPT_COL_FAILURE" ;;
+    esac
+
+    # Reset prompt
+    PS1="\[\e[0;0m\]"
+
+    # First newline
+    [ "$PROMPT_ENABLE_NEWLINE" -eq 1 ] && PS1+="\n"
+
+    # Top part of line
+    [ "$PROMPT_ENABLE_LINE" -eq 1 ] && PS1+="${PROMPT_COL_LINE}┌ "
+
+    # Date (HH:MM:SS)
+    PS1+="${PROMPT_COL_TIME}\D{${PROMPT_TIME_FORMAT}} "
+
+    # user@host OR root
+    if [ "$EUID" -ne 0 ]; then
+        PS1+="${PROMPT_COL_USER_HOST}\u@\h "
+    else
+        PS1+="${PROMPT_COL_ROOT}\u "
+    fi
+
+    # Working directory
+    PS1+="${PROMPT_COL_WORK_DIR}\w "
+
+    # Git information (if applicable)
+    if git_branch="$(_parse_git_branch)" && git_status="$(_parse_git_changes)"; then
+        PS1+="${git_status}(${git_branch}) "
+    fi
+
+    # Newline
+    PS1+="\n"
+
+    # Bottom part of line
+    [ "$PROMPT_ENABLE_LINE" -eq 1 ] && PS1+="${PROMPT_COL_LINE}└ "
+
+    # Prompt character
+    PS1+="${prompt_color}${PROMPT_CHARACTER} "
+
+    # Ending reset
+    PS1+="\[\e[0;0m\]"
+}
+
+PROMPT_COMMAND='_prompt_command'