jiri-status: A command to print open files and custom branches
Change-Id: I5b51d54f302d1b5c9a81971e0caf05e1161c2a70
diff --git a/jiri-status b/jiri-status
new file mode 100755
index 0000000..3e7dc4c
--- /dev/null
+++ b/jiri-status
@@ -0,0 +1,72 @@
+#!/bin/bash
+# Copyright 2017 The Fuchsia Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+# Prints info about jiri-managed git repos. For each repo:
+# If the repo has any branches other than "master", runs "git branch"
+# If the repo has any open files, runs "git status"
+# Otherwise, prints nothing
+#
+# If this script is on your PATH, you can invoke it as "jiri status".
+#
+# Expects jiri to be on the PATH.
+# Expects FUCHSIA_DIR to be set.
+
+# TODO(dbort): Search for .jiri_root instead of relying on FUCHSIA_DIR.
+# TODO(dbort): Pass this script's args along to "jiri runp", allowing
+# an override of the currently hard-coded -projects arg.
+# TODO(dbort): Make jiri set an env var when invoking via "runp"
+# so scripts like this don't need to do it.
+
+set -eu
+set -o pipefail
+
+print_custom_branches() {
+ git branch \
+ | (grep -v 'HEAD detached' || true) \
+ | (grep -vE '\<master\>' || true)
+}
+
+main() {
+ local help_arg_regex=' [-]*help ' # A var makes it easier to handle spaces.
+ if [[ " $@ " =~ ${help_arg_regex} ]]; then
+ echo "Print info about modified projects"
+ exit 0
+ fi
+
+ if [[ -z "${JIRI_STATUS_RUNNING_UNDER_JIRI:-}" ]]; then
+ # The script was invoked directly on the commandline.
+ # Have jiri run us again, against every repo.
+ if ! (which jiri > /dev/null); then
+ echo "ERROR: 'jiri' not found in PATH='${PATH}'" >&2
+ exit 1
+ fi
+
+ export JIRI_STATUS_RUNNING_UNDER_JIRI=1
+ exec jiri runp -projects='.*' "$(readlink -f "$0")"
+ # exec never returns.
+ fi
+
+ # We were invoked by "jiri runp". Our working directory
+ # should be in a git repo.
+ local nbranches nopen
+ nbranches="$(print_custom_branches | wc -l)"
+ nopen="$(git status --porcelain | wc -l)"
+ if [[ ${nbranches} -gt 0 || ${nopen} -gt 0 ]]; then
+ echo "\$FUCHSIA_DIR/${PWD#$FUCHSIA_DIR/}"
+ if [[ ${nbranches} -gt 0 ]]; then
+ echo " git branch:"
+ #print_custom_branches | sed -e 's/^/ /'
+ git branch | sed -e 's/^/ /'
+ echo ""
+ fi
+ if [[ ${nopen} -gt 0 ]]; then
+ echo " git status:"
+ git status | sed -e 's/^/ /'
+ echo ""
+ fi
+ fi
+}
+
+main "$@"
