diff --git a/.config/git/config b/.config/git/config
index 27cf0a8..ddadd7b 100644
--- a/.config/git/config
+++ b/.config/git/config
@@ -40,20 +40,6 @@
 	autoSquash = true
 	autoStash = true
 	updateRefs = true
-# me
-[user]
-	name = Jan Andrle
-	email = andrle.jan@centrum.cz
-	signingkey = B3A25AED155AFFAB
-[credential]
-	# see https://stackoverflow.com/questions/5343068/is-there-a-way-to-cache-https-credentials-for-pushing-commits/18362082#18362082
-	helper = /usr/share/doc/git/contrib/credential/libsecret/git-credential-libsecret
-[credential "https://github.com"]
-	helper = !/usr/bin/gh auth git-credential
-[credential "https://gist.github.com"]
-	helper = !/usr/bin/gh auth git-credential
-[credential "https://git.dhl.com"]
-	helper = !/usr/bin/gh auth git-credential
 # my setup
 [core]
 	editor = vim
@@ -126,11 +112,5 @@
 [am]
 	# keepcr = true # to preserve line endings
 	threeWay = true
-[sendemail]
-	anotate = true
-	smtpserver = smtp.centrum.cz
-	# chainReplyTo = false
-	suppresscc = self
-	smtpuser = andrle.jan@centrum.cz
-	smtpencryption = ssl
-	smtpserverport = 465
+[include]
+	path = ./identities/current.conf
diff --git a/.config/git/identities/default.conf b/.config/git/identities/default.conf
new file mode 100644
index 0000000..200d188
--- /dev/null
+++ b/.config/git/identities/default.conf
@@ -0,0 +1,21 @@
+[user]
+	name = Jan Andrle
+	email = andrle.jan@centrum.cz
+	signingkey = B3A25AED155AFFAB
+[credential]
+	# see https://stackoverflow.com/questions/5343068/is-there-a-way-to-cache-https-credentials-for-pushing-commits/18362082#18362082
+	helper = /usr/share/doc/git/contrib/credential/libsecret/git-credential-libsecret
+[credential "https://github.com"]
+	helper = !/usr/bin/gh auth git-credential
+[credential "https://gist.github.com"]
+	helper = !/usr/bin/gh auth git-credential
+[credential "https://git.dhl.com"]
+	helper = !/usr/bin/gh auth git-credential
+[sendemail]
+	anotate = true
+	smtpserver = smtp.centrum.cz
+	# chainReplyTo = false
+	suppresscc = self
+	smtpuser = andrle.jan@centrum.cz
+	smtpencryption = ssl
+	smtpserverport = 465
diff --git a/bin/git-identity b/bin/git-identity
new file mode 100755
index 0000000..2c004a8
--- /dev/null
+++ b/bin/git-identity
@@ -0,0 +1,39 @@
+#!/usr/bin/env bash
+set -euo pipefail
+config="$HOME/.config/git/identities"
+input="${1:-}"
+usage="Usage
+	git identity [<name>|help|-]
+	git-identity --help
+"
+[ -z "$input" ] \
+	&& echo "$usage"\
+	&& echo -e "$config/current.conf … current identity:" \
+	&& cat "$config/current.conf" \
+	&& exit 0
+[ "$input" = --help ] \
+	&& input="help"
+[ "$input" = help ] \
+	&& echo "$usage"\
+	&& echo '- _empty_: shows usage and current identity' \
+	&& echo '- <name>: set identity' \
+	&& echo '- -: show path to identities directory' \
+	&& echo '- help: shows this help' \
+	&& echo -e '\n\nExamples' \
+	&& echo '- git identity' \
+	&& echo '- git identity user' \
+	&& echo '- ls $(git identity -)' \
+	&& echo -e '\n\nGit config' \
+	&& echo "- git config --global include.path '$config/current.conf'" \
+	&& exit 0
+[ "$input" = - ] \
+	&& echo "$config" \
+	&& exit 0
+
+identity="$config/$input.conf"
+[ ! -e "$identity" ] \
+	&& echo "No such identity: $input" >&2 \
+	&& echo "$identity" >&2 \
+	&& exit 1
+
+ln --verbose --force "$identity" "$config/current.conf"