1 files changed, 81 insertions, 0 deletions
diff --git a/gitlint/files/commit-msg b/gitlint/files/commit-msg
new file mode 100644
index 0000000..e468290
--- /dev/null
+++ b/gitlint/files/commit-msg
@@ -0,0 +1,81 @@
+#!/bin/sh
+### gitlint commit-msg hook start ###
+
+# Determine whether we have a tty available by trying to access it.
+# This allows us to deal with UI based gitclient's like Atlassian SourceTree.
+# NOTE: "exec < /dev/tty" sets stdin to the keyboard
+stdin_available=1
+(exec < /dev/tty) 2> /dev/null || stdin_available=0
+
+if [ $stdin_available -eq 1 ]; then
+    # Set bash color codes in case we have a tty
+    RED="\033[31m"
+    YELLOW="\033[33m"
+    GREEN="\033[32m"
+    END_COLOR="\033[0m"
+
+    # Now that we know we have a functional tty, set stdin to it so we can ask the user questions :-)
+    exec < /dev/tty
+else
+    # Unset bash colors if we don't have a tty
+    RED=""
+    YELLOW=""
+    GREEN=""
+    END_COLOR=""
+fi
+
+run_gitlint(){
+   echo "gitlint: checking commit message..."
+   python -m gitlint.cli --staged --msg-filename "$1"
+   gitlint_exit_code=$?
+}
+
+# Prompts a given yes/no question.
+# Returns 0 if user answers yes, 1 if no
+# Reprompts if different answer
+ask_yes_no_edit(){
+    ask_yes_no_edit_result="no"
+    # If we don't have a stdin available, then just return "No".
+    if [ $stdin_available -eq 0 ]; then
+        ask_yes_no_edit_result="no"
+        return;
+    fi
+    # Otherwise, ask the question until the user answers yes or no
+    question="$1"
+    while true; do
+        read -p "$question" yn
+        case $yn in
+             [Yy]* ) ask_yes_no_edit_result="yes"; return;;
+             [Nn]* ) ask_yes_no_edit_result="no"; return;;
+             [Ee]* ) ask_yes_no_edit_result="edit"; return;;
+        esac
+    done
+}
+
+run_gitlint "$1"
+
+while [ $gitlint_exit_code -gt 0 ]; do
+    echo "-----------------------------------------------"
+    echo "gitlint: ${RED}Your commit message contains the above violations.${END_COLOR}"
+    ask_yes_no_edit "Continue with commit anyways (this keeps the current commit message)? [y(es)/n(no)/e(dit)] "
+    if [ $ask_yes_no_edit_result = "yes" ]; then
+        exit 0
+    elif [ $ask_yes_no_edit_result = "edit" ]; then
+        EDITOR=${EDITOR:-vim}
+        $EDITOR "$1"
+        run_gitlint "$1"
+    else
+        echo "Commit aborted."
+        echo "Your commit message: "
+        echo "-----------------------------------------------"
+        cat "$1"
+        echo "-----------------------------------------------"
+
+        exit $gitlint_exit_code
+    fi
+done
+
+echo "gitlint: ${GREEN}OK${END_COLOR} (no violations in commit message)"
+exit 0
+
+### gitlint commit-msg hook end ###