# HG changeset patch
# User Nicolas Dumazet <nicdumz.commits@gmail.com>
# Date 1279590080 -32400
# Node ID 52dc5022d8fb7be825e53cad4f8e48c8c9089d9d
# Parent  fda0e478fb7945b15110738885b8f54bcf2ff576
hg: provide an useful error message when run from a deleted directory

diff --git a/hg b/hg
--- a/hg
+++ b/hg
@@ -21,6 +21,13 @@
 import mercurial.util
 import mercurial.dispatch
 
+try:
+    import os
+    os.getcwd()
+except OSError:
+    sys.stderr.write("abort: current working directory does not exist\n")
+    sys.exit(-1)
+
 for fp in (sys.stdin, sys.stdout, sys.stderr):
     mercurial.util.set_binary(fp)
 
diff --git a/tests/test-remove-cwd b/tests/test-remove-cwd
new file mode 100755
--- /dev/null
+++ b/tests/test-remove-cwd
@@ -0,0 +1,12 @@
+hg init foo
+cd foo
+mkdir a
+touch a/a
+hg ci -Am"add all"
+cd a
+
+hg up null
+echo % run hg from removed directory
+hg -v --traceback st
+
+exit 0
diff --git a/tests/test-remove-cwd.out b/tests/test-remove-cwd.out
new file mode 100644
--- /dev/null
+++ b/tests/test-remove-cwd.out
@@ -0,0 +1,5 @@
+adding a/a
+0 files updated, 0 files merged, 1 files removed, 0 files unresolved
+% run hg from removed directory
+'import site' failed; use -v for traceback
+abort: current working directory does not exist