update readme

README.md

@@ -32,6 +32,8 @@ Or you can use (non-interactive) direct execution:
 branchTree, branchesByDate, changelogs
 
 
+#### Git log --since and --until arguments
+
 You can set variable `_GIT_SINCE`, `_GIT_UNTIL` and limit the git log
 
 eg:
@@ -42,8 +44,20 @@ eg:
 
 then run `git quick-stats` (affect all stats, except "My daily status" and "Git changelogs" )
 
+
+#### Git log limit 
+
+You can set variable `_GIT_LIMIT` for limited output (it will affect: "Git changelogs" and "Branch tree view" )
+
+eg:
+
+`export _GIT_LIMIT=20`
+
+
 ## Installation
 
+#### Unix like OS
+
 ```
 git clone https://github.com/arzzen/git-quick-stats.git && cd git-quick-stats
 sudo make install
@@ -55,11 +69,16 @@ For uninstalling, open up the cloned directory and run
 sudo make uninstall
 ```
 
-#### Cygwin installation
+#### OS X (homebrew)
+
+`brew install git-quick-stats`
+
+#### Windows (cygwin)
 
 * [installer](https://gist.github.com/arzzen/35e09866dfdadf2108b2420045739245) 
 * [uninstaller](https://gist.github.com/arzzen/21c660014d0663b6c5710014714779d6)
 
+
 ## System requirements
 
 * Unix like OS with a proper shell

git-quick-stats

@@ -13,6 +13,13 @@ if [ ! -z ${_until} ]
     then _until="--until=$_until"
 fi
 
+_limit=${_GIT_LIMIT:-}
+if [ ! -z ${_limit} ]
+    then _limit=$_limit
+else
+    _limit=10
+fi
+
 show_menu() {
     NORMAL=`echo "\033[m"`
     MENU=`echo "\033[36m"`
@@ -24,10 +31,10 @@ show_menu() {
     echo -e ""
     echo -e "${RED_TEXT} Generate: ${NORMAL}"
     echo -e "${MENU} ${NUMBER} 1)${MENU} Contribution stats (by author) ${NORMAL}"
-    echo -e "${MENU} ${NUMBER} 2)${MENU} Git changelogs ${NORMAL}"
+    echo -e "${MENU} ${NUMBER} 2)${MENU} Git changelogs (last $_limit)${NORMAL}"
     echo -e "${MENU} ${NUMBER} 3)${MENU} My daily status ${NORMAL}"
     echo -e "${RED_TEXT} List: ${NORMAL}"
-    echo -e "${MENU} ${NUMBER} 4)${MENU} Branch tree view (last 10)${NORMAL}"
+    echo -e "${MENU} ${NUMBER} 4)${MENU} Branch tree view (last $_limit)${NORMAL}"
     echo -e "${MENU} ${NUMBER} 5)${MENU} All branches (sorted by most recent commit) ${NORMAL}"
     echo -e "${MENU} ${NUMBER} 6)${MENU} All contributors (sorted by name) ${NORMAL}"
     echo -e "${MENU} ${NUMBER} 7)${MENU} Git commits per author ${NORMAL}"
@@ -233,7 +240,7 @@ function contributors() {
 
 function branchTree() {
     option_picked "Branching tree view:"
-    git log --graph --abbrev-commit $_since $_until --decorate --format=format:'--+ Commit:  %h %n  | Date:    %aD (%ar) %n''  | Message: %s %d %n''  + Author:  %an %n' --all | head -n 50
+    git log --graph --abbrev-commit $_since $_until --decorate --format=format:'--+ Commit:  %h %n  | Date:    %aD (%ar) %n''  | Message: %s %d %n''  + Author:  %an %n' --all | head -n $((_limit*5))
 }
 
 
@@ -244,7 +251,14 @@ function branchesByDate() {
 
 function changelogs() {
     option_picked "Git changelogs:"
-    git log --pretty=format:"- %s%n%b" --since="$(git show -s --format=%ad `git rev-list --all --max-count=1`)" | sort -nr
+    NEXT=$(date +%F)
+
+    git log --no-merges --format="%cd" --date=short $_since $_until | sort -u -r | head -n $_limit | while read DATE ; do
+        echo
+        echo "[$DATE]"
+        GIT_PAGER=cat git log --no-merges --format=" * %s" --since=$DATE --until=$NEXT
+        NEXT=$DATE
+    done
 }
 
 # Check if we are currently in a git repo.