From 4d8141504db51a8f416148b164882ea3b39f751b Mon Sep 17 00:00:00 2001
From: "G.raud" <graud@gmx.com>
Date: Sat, 28 Apr 2018 13:23:38 +0200
Subject: [PATCH] archives2git: warn(), fail(): new func to factorize

---
 archives2git | 22 +++++++---------------
 1 file changed, 7 insertions(+), 15 deletions(-)

diff --git a/archives2git b/archives2git
index 3a825fb..0f6a581 100755
--- a/archives2git
+++ b/archives2git
@@ -124,6 +124,8 @@ get_version () {
 	_version=${_version#"-"}; _version=${_version#"."}; _version=${_version#"_"}
 	printf "%s\n" "${_version}"
 }
+warn () { echo >&2 "$@"; }
+fail () { _rc=$1; shift; warn "$PROGRAM_NAME:" "$@"; exit $_rc; }
 strip_extension () {
 	printf "%s\n" "$1" | LC_ALL=C sed -r \
 	  -e '$s;^([^/]*/)*([^/]{1,})/{0,1}$;\2;' \
@@ -224,8 +226,7 @@ do
 		echo "$PROGRAM_NAME version $PROGRAM_VERSION"
 		exit ;;
 	--?*)
-		echo >&2 "$PROGRAM_NAME: internal error: invalid option $1"
-		exit 255 ;;
+		fail 255 "internal error: invalid option $1" ;;
 	--)
 		shift; break ;;
 	*)
@@ -236,24 +237,15 @@ done
 # setup
 [ -z "$KEEP_TEMPDIR" ] && trap 'rm -rf "$TMPDIR"' EXIT INT QUIT TERM
 TMPDIR=$(mktemp -d) ||
-{
-	echo >&2 "$PROGRAM_NAME: error: cannot create a temporary directory"
-	exit 253
-}
+fail 253 "error: cannot create a temporary directory"
 WRKDIR=$(pwd)
 # git repository check
 cd "$GIT_WORK_TREE" &&
 { test -d .git || git rev-parse --git-dir >/dev/null; } ||
-{
-	echo >&2 "$PROGRAM_NAME: error: not in a git repository ($(pwd))"
-	exit 255
-}
+fail 255 "error: not in a git repository ($(pwd))"
 test -z "$(git status --porcelain)" &&
 git update-index -q --refresh ||
-{
-	echo >&2 "$PROGRAM_NAME: error: unstaged files or dirty index"
-	exit 254
-}
+fail 254 "error: unstaged files or dirty index"
 
 # main
 set -e
@@ -294,7 +286,7 @@ do
 			then
 			  # remove conflicting file (previously kept or renamed to the same name)
 				rm -R ./"$name"
-				echo >&2 "WARNING: conflicting file removed: \`$name'"
+				warn "Warning: conflicting file removed: \`$name'"
 			fi
 			mv "$archdir"/"$file" ./"$name"
 			IFS=$NL; set -f
-- 
2.11.4.GIT