From eecfbda7f510ed0b98d146a1aded7c004d3ddb54 Mon Sep 17 00:00:00 2001
From: Jonas Fonseca <jonas.fonseca@gmail.com>
Date: Mon, 15 Jun 2015 08:50:55 -0400
Subject: [PATCH] Add uninstall target

Fixes #417
---
 .travis.yml        | 10 +++++++++-
 Makefile           | 14 ++++++++++++++
 NEWS.adoc          |  1 +
 tools/uninstall.sh | 35 +++++++++++++++++++++++++++++++++++
 4 files changed, 59 insertions(+), 1 deletion(-)
 create mode 100755 tools/uninstall.sh

diff --git a/.travis.yml b/.travis.yml
index c4520fc61..56ee50b17 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,12 +11,20 @@ install: sudo apt-get install -qq --no-install-recommends asciidoc xmlto docbook
 script:
   - # ============ Build from config ===============
   - cp contrib/config.make .
-  - make DESTDIR=/tmp/bare-prefix all-debug install install-doc
+  - make all-debug
   - make test
   - make test TEST_OPTS=valgrind
+  - make DESTDIR=/tmp/bare-destdir install install-doc
+  - make DESTDIR=/tmp/bare-destdir uninstall
+  - test ! -d /tmp/bare-destdir
+  - make prefix=/tmp/bare-prefix install install-doc
+  - make prefix=/tmp/bare-prefix uninstall
+  - test ! -d /tmp/bare-prefix
   - make distclean
   - # ============ Build using autoconf ============
   - make dist
   - ./configure --prefix=/tmp/conf-prefix
   - make V=1 TEST_SHELL=bash all test install install-doc
+  - make uninstall
+  - test ! -d /tmp/conf-prefix
   - make clean
diff --git a/Makefile b/Makefile
index 7d11c8f5f..d7469e85c 100644
--- a/Makefile
+++ b/Makefile
@@ -112,6 +112,18 @@ install-release-doc-html:
 install-doc: install-doc-man install-doc-html
 install-release-doc: install-release-doc-man install-release-doc-html
 
+uninstall:
+	$(QUIET_UNINSTALL)tools/uninstall.sh "$(DESTDIR)$(bindir)/$(EXE:src/%=%)"
+	$(QUIET_UNINSTALL)tools/uninstall.sh "$(DESTDIR)$(sysconfdir)/tigrc"
+	$(Q)$(foreach doc, $(filter %.1, $(MANDOC:doc/%=%)), \
+		$(QUIET_UNINSTALL_EACH)tools/uninstall.sh "$(DESTDIR)$(mandir)/man1/$(doc)";)
+	$(Q)$(foreach doc, $(filter %.5, $(MANDOC:doc/%=%)), \
+		$(QUIET_UNINSTALL_EACH)tools/uninstall.sh "$(DESTDIR)$(mandir)/man5/$(doc)";)
+	$(Q)$(foreach doc, $(filter %.7, $(MANDOC:doc/%=%)), \
+		$(QUIET_UNINSTALL_EACH)tools/uninstall.sh "$(DESTDIR)$(mandir)/man7/$(doc)";)
+	$(Q)$(foreach doc, $(HTMLDOC:doc/%=%), \
+		$(QUIET_UNINSTALL_EACH)tools/uninstall.sh "$(DESTDIR)$(docdir)/tig/$(doc)";)
+
 clean: clean-test clean-coverage
 	$(Q)$(RM) -r $(TARNAME) *.spec tig-*.tar.gz tig-*.tar.gz.md5 .deps
 	$(Q)$(RM) $(EXE) $(TOOLS) $(OBJS) core doc/*.xml src/builtin-config.c
@@ -366,6 +378,8 @@ QUIET_DB2PDF		= $(Q:@=@echo    '    DB2PDF  '$@;)
 # tools/install.sh will print 'file -> $install_dir/file'
 QUIET_INSTALL		= $(Q:@=@printf  '   INSTALL  ';)
 QUIET_INSTALL_EACH	= $(Q:@=printf   '   INSTALL  ';)
+QUIET_UNINSTALL		= $(Q:@=@printf  ' UNINSTALL  ';)
+QUIET_UNINSTALL_EACH	= $(Q:@=printf   ' UNINSTALL  ';)
 QUIET_TEST		= $(Q:@=@echo    '      TEST  '$@;)
 QUIET_SUMMARY		= $(Q:@=@printf  '   SUMMARY  ';)
 QUIET_LCOV		= $(Q:@=@echo    '      LCOV  '$@;)
diff --git a/NEWS.adoc b/NEWS.adoc
index a94d17ad4..f710b7d63 100644
--- a/NEWS.adoc
+++ b/NEWS.adoc
@@ -23,6 +23,7 @@ Improvements:
  - `tig --merge` implies `--boundary` similar to gitk.
  - Expose repository variables to external commands, e.g. `%(repo:head)` gives the
    branch name of the current HEAD and `%(repo:cdup)` for the repo root path.
+ - Add `make uninstall`. (GH #417)
 
 Bug fixes:
 
diff --git a/tools/uninstall.sh b/tools/uninstall.sh
new file mode 100755
index 000000000..c31124942
--- /dev/null
+++ b/tools/uninstall.sh
@@ -0,0 +1,35 @@
+#!/bin/sh
+#
+# Uninstall data or executable file.
+#
+# Usage: $0 dest
+#
+# Copyright (c) 2015 Jonas Fonseca <jonas.fonseca@gmail.com>
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+set -e
+
+file="$1"
+dir="$(dirname "$file")"
+
+if [ -d "$file" -a "$dir" = "tig" ]; then
+	rm -rf "$file"
+elif [ -f "$file" ]; then
+	rm -f "$file"
+fi
+
+if [ -d "$dir" ]; then
+	set +e
+	rmdir -p "$dir" 2>/dev/null
+fi
+
+echo "$file"