Merge pull request #104 from joeperri95/master

Issue #67 Add git functionality

INSTALL.md

@@ -155,6 +155,32 @@ Enable military time
 set -g @dracula-military-time true
 ```
 
+#### git options
+
+Hide details of git changes
+```bash
+set -g @dracula-git-disable-status true
+```
+
+Set symbol to use for when branch is up to date with HEAD
+```bash
+# default is ✓. Avoid using non unicode characters that bash uses like $, * and ! 
+set -g @dracula-git-show-current-symbol ✓
+```
+
+Set symbol to use for when branch diverges from HEAD
+```bash
+# default is unicode !. Avoid bash special characters 
+set -g @dracula-git-show-diff-symbol !
+```
+
+Set symbol or message to use when the current pane has no git repo
+```bash
+# default is unicode no message
+set -g @dracula-git-no-repo-message ""
+```
+
+
 #### weather options
 
 Switch from default fahrenheit to celsius

README.md

@@ -18,6 +18,7 @@ Configuration and options can be found at [draculatheme.com/tmux](https://dracul
 * Day, date, time, timezone
 * Current location based on network with temperature and forecast icon (if available)
 * Network connection status, bandwith and SSID
+* Git branch and status
 * Battery percentage and AC power connection status
 * Refresh rate control
 * CPU usage

scripts/dracula.sh

@@ -38,7 +38,6 @@ main()
   pink='#ff79c6'
   yellow='#f1fa8c'
 
-
   # Handle left icon configuration
   case $show_left_icon in
     smiley)
@@ -126,6 +125,12 @@ main()
   tmux set-option -g status-right ""
 
   for plugin in "${plugins[@]}"; do
+
+    if [ $plugin = "git" ]; then
+      IFS=' ' read -r -a colors  <<< $(get_tmux_option "@dracula-git-colors" "green dark_gray")
+        script="#($current_dir/git.sh)"     
+    fi
+
     if [ $plugin = "battery" ]; then
       IFS=' ' read -r -a colors <<< $(get_tmux_option "@dracula-battery-colors" "pink dark_gray")
       script="#($current_dir/battery.sh)"

scripts/git.sh

@@ -0,0 +1,154 @@
+#!/usr/bin/env bash
+
+current_dir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+source $current_dir/utils.sh
+
+IFS=' ' read -r -a hide_status <<< $(get_tmux_option "@dracula-git-disable-status" "false")
+IFS=' ' read -r -a current_symbol <<< $(get_tmux_option "@dracula-git-show-current-symbol" "✓")
+IFS=' ' read -r -a diff_symbol <<< $(get_tmux_option "@dracula-git-show-diff-symbol" "!")
+IFS=' ' read -r -a no_repo_message <<< $(get_tmux_option "@dracula-git-no-repo-message" "")
+
+# Get added, modified, updated and deleted files from git status
+getChanges()
+{
+   declare -i added=0;
+   declare -i modified=0;
+   declare -i updated=0;
+   declare -i deleted=0;
+
+for i in $(git -C $path status -s)
+
+    do
+      case $i in 
+      'A')
+        added+=1 
+      ;;
+      'M')
+        modified+=1
+      ;;
+      'U')
+        updated+=1 
+      ;;
+      'D')
+       deleted+=1
+      ;;
+
+      esac
+    done
+
+    output=""
+    [ $added -gt 0 ] && output+="${added}A"
+    [ $modified -gt 0 ] && output+=" ${modified}M"
+    [ $updated -gt 0 ] && output+=" ${updated}U"
+    [ $deleted -gt 0 ] && output+=" ${deleted}D"
+  
+    echo $output    
+}
+
+
+# getting the #{pane_current_path} from dracula.sh is no longer possible
+getPaneDir()
+{
+ nextone="false"
+ for i in $(tmux list-panes -F "#{pane_active} #{pane_current_path}");
+ do
+    if [ "$nextone" == "true" ]; then
+       echo $i
+       return
+    fi 
+    if [ "$i" == "1" ]; then
+        nextone="true"
+    fi
+  done
+}
+
+
+# check if the current or diff symbol is empty to remove ugly padding
+checkEmptySymbol()
+{
+    symbol=$1    
+    if [ "$symbol" == "" ]; then
+        echo "true"
+    else
+        echo "false"
+    fi
+}
+
+# check to see if the current repo is not up to date with HEAD
+checkForChanges()
+{
+    if [ "$(checkForGitDir)" == "true" ]; then
+        if [ "$(git -C $path status -s)" != "" ]; then
+            echo "true"
+        else
+            echo "false"
+        fi
+    else
+        echo "false"
+    fi
+}     
+
+# check if a git repo exists in the directory
+checkForGitDir()
+{
+    if [ "$(git -C $path rev-parse --abbrev-ref HEAD)" != "" ]; then
+        echo "true"
+    else
+        echo "false"
+    fi
+}
+
+# return branch name if there is one
+getBranch()
+{   
+    if [ $(checkForGitDir) == "true" ]; then
+        echo $(git -C $path rev-parse --abbrev-ref HEAD)
+    else
+        echo $no_repo_message
+    fi
+}
+
+# return the final message for the status bar
+getMessage()
+{
+    if [ $(checkForGitDir) == "true" ]; then
+        branch="$(getBranch)"
+        
+        if [ $(checkForChanges) == "true" ]; then 
+            
+            changes="$(getChanges)" 
+            
+            if [ "${hide_status}" == "false" ]; then
+                if [ $(checkEmptySymbol $diff_symbol) == "true" ]; then
+                    echo "${changes} $branch"                    
+                else
+                    echo "$diff_symbol ${changes} $branch"
+                fi
+            else
+                if [ $(checkEmptySymbol $diff_symbol) == "true" ]; then
+                    echo "$branch"
+                else
+                    echo "$diff_symbol $branch"                    
+                fi
+            fi
+
+        else
+            if [ $(checkEmptySymbol $current_symbol) == "true" ]; then
+                echo "$branch"
+            else
+                echo "$current_symbol $branch"
+            fi
+        fi
+    else
+        echo $no_repo_message
+    fi
+}
+
+main()
+{  
+    path=$(getPaneDir)
+    getMessage
+}
+
+#run main driver program
+main