From 5b53f3377fe307e5a98910f2cd6d24881ff69401 Mon Sep 17 00:00:00 2001
From: Vincent Dechenaux <vincent.dechenaux@gmail.com>
Date: Mon, 15 May 2017 16:24:39 +0200
Subject: [PATCH] Add option to coke only Git changed files

---
 README.md |  4 ++++
 coke      | 38 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 42 insertions(+)

diff --git a/README.md b/README.md
index ddd6976..a386b37 100644
--- a/README.md
+++ b/README.md
@@ -19,6 +19,9 @@ standard=Symfony2
 # Verbose mode (optional - default: false)
 verbose=true
  
+# Only Git changed mode (optional - default: false)
+only-git-changed=true
+ 
 # White list of files and directories (optional)
 src/
 test.php
@@ -47,6 +50,7 @@ The order of arguments is not important
 `src test.php`                   Files/Directories to include in the check  
 `--standard=Symfony2`            Standard to use for check  
 `--ignore=Tests,src/OldFile.php` URL patterns to ignore in the check  
+`--only-git-changed`             Check only changed files  
 `-v`                             Use verbose mode  
 
 
diff --git a/coke b/coke
index 9db046b..094a9f1 100755
--- a/coke
+++ b/coke
@@ -15,6 +15,7 @@ ignored=0
 allowed=0
 verbose=0
 fix=0
+onlyGitChanged=0
 
 function allow
 {
@@ -104,6 +105,9 @@ do
         elif [ "${CUR_PARAM:2:5}" = "fix" ]
         then
             fix=1
+        elif [ "${CUR_PARAM:2:16}" = "only-git-changed" ]
+        then
+            onlyGitChanged=1
         else
             params="$params $CUR_PARAM"
         fi
@@ -159,6 +163,9 @@ then
         elif  [ "$verbose" -eq 0 ] && [ "${ligne:0:8}" = "verbose=" ] && [ "${ligne:8}" = "true" ]
         then
             verbose=1
+        elif  [ "$onlyGitChanged" -eq 0 ] && [ "${ligne:0:17}" = "only-git-changed=" ] && [ "${ligne:17}" = "true" ]
+        then
+            onlyGitChanged=1
         elif [ "$ignored" -eq 0 ] && [ "${ligne:0:1}" = "!" ]
         then
             ignore "${ligne:1}"
@@ -195,6 +202,37 @@ then
     $commandPath$command --config-set installed_paths $standardPath
 fi
 
+# Check Git changes
+
+if [ $onlyGitChanged -eq 1 ]
+then
+    command -v git >/dev/null 2>&1 || { fail "Cannot find git. Git is required when --only-git-changed is used."; }
+
+    filesAllowedAndChanged=""
+    for file in $(git --no-pager diff --name-only --diff-filter=MARC)
+    do
+        allowed=0
+
+        for ligne in $filesAllowed
+        do
+            if [ "${ligne:0:1}" = '!' ] && [[ "$file" == *"${ligne:1}"* ]]
+            then
+                continue 2
+            elif [[ "$file" == "$ligne"* ]]
+            then
+                allowed=1
+            fi
+        done
+
+        if [ "$allowed" -eq 1 ]
+        then
+            filesAllowedAndChanged="$filesAllowedAndChanged $file"
+        fi
+    done
+
+    filesAllowed=$filesAllowedAndChanged
+fi
+
 # Punch it!
 
 if [ -n "$filesAllowed" ]