#!/bin/bash
+VCS_SUPPORTED="GIT, Subversion or Mercurial"
+
print_usage()
{
- echo "$(basename $0) -- diff for version control (svn or git) with color output."
+ echo "$(basename $0) -- diff for version control (${VCS_SUPPORTED}) with color output."
echo "Usage: $(basename $0) [OPTIONS...]"
}
if git diff 1> /dev/null 2>&1; then
git diff "$@"
-elif [ -d .svn ]; then
+elif svn diff 1> /dev/null 2>&1; then
svn diff --diff-cmd colordiff -x "-u -w -p" "$@" | less -RFX
+elif hg status 1> /dev/null 2>&1; then
+ hg diff "$@"
else
- echo "Not a GIT or Subversion repository"
+ echo "Not a ${VCS_SUPPORTED} repository"
exit 1
fi