1 files changed, 33 insertions, 0 deletions
diff --git a/bin/git-whoami b/bin/git-whoami
new file mode 100755
index 0000000..9cab9bc
--- /dev/null
+++ b/bin/git-whoami
@@ -0,0 +1,33 @@
+#!/bin/sh
+
+# git-whoami
+# Author: Peter Eisentraut <peter@eisentraut.org>
+# Created: 2011-10-27
+# License: WTFPL; see http://sam.zoy.org/wtfpl/
+
+# exact logic in ident.c in git source tree
+
+set -e
+
+get_email() {
+	git config user.email || ( [ -n "$EMAIL" ] && echo "$EMAIL" ) || echo "$(id -nu)@$(hostname --fqdn)"
+}
+
+get_name() {
+	git config user.name || getent passwd $(id -un) | cut -d : -f 5 | cut -d , -f 1
+}
+
+: ${GIT_AUTHOR_NAME=$(get_name)}
+: ${GIT_COMMITTER_NAME=$(get_name)}
+: ${GIT_AUTHOR_EMAIL=$(get_email)}
+: ${GIT_COMMITTER_EMAIL=$(get_email)}
+
+author="$GIT_AUTHOR_NAME <$GIT_AUTHOR_EMAIL>"
+commit="$GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL>"
+
+if [ "$author" = "$commit" ]; then
+	echo "$author"
+else
+	echo "Author: $author"
+	echo "Commit: $commit"
+fi