Add remote-edit script and alias for it

dotfiles/gittum/bin/remote-edit

@@ -0,0 +1,48 @@
+#!/bin/bash
+
+#
+# Edit URL of remote $1 using vipe(1)
+#
+
+die() {
+    echo "$@" 1>&2
+    exit 1
+}
+
+usage() {
+    echo "usage: git $(basename "$0") [-v|--verbose] REMOTE"
+    exit 0
+}
+
+think() {
+    $verbose && echo "$@"
+}
+
+main() {
+    local remote
+    local oldurl
+    local newurl
+    local verbose=false
+    while true; do case $1 in
+        -v|--verbose) verbose=true; shift ;;
+        -*) usage ;;
+        *)  break ;;
+    esac done
+    remote="$1"
+    test -n "$remote" || usage
+    command -v vipe >/dev/null \
+     || die "need vipe(1) from moreutils"
+    think "remote='$remote'"
+    oldurl=$(git remote get-url "$remote") \
+     || die "failed to get old URL"
+    think "oldurl='$oldurl'"
+    think "EDITOR='$EDITOR'"
+    think "VISUAL='$VISUAL'"
+    newurl=$(vipe <<<"$oldurl") \
+     || die "failed to edit URL (is vipe installed?)"
+    think "newurl='$newurl'"
+    git remote set-url "$remote" "$newurl" \
+     || die "failed to set new remote URL"
+}
+
+main "$@"

dotfiles/gittum/main.gitconfig

@@ -32,6 +32,7 @@
   rb = rebase
   rbc = rebase --continue
   rbi = rebase --interactive
+  rme = ! ~/.gittum/bin/remote-edit
   rmv = remote --verbose
   sibling = ! ~/.gittum/bin/sibling
   slurp = ! ~/.gittum/bin/slurp