1.4.0

install: create the parent directory if necessary

README.md

@@ -33,6 +33,7 @@ root: root branch, master by default
 
 ### Package
 
+* [Homebrew](http://brew.sh/): `brew install git-fresh`
 * [bpkg](http://www.bpkg.io/): `bpkg install imsky/git-fresh`
 
 ## License

git-fresh

@@ -1,5 +1,10 @@
 #!/usr/bin/env bash
 
+# git-fresh
+# https://github.com/imsky/git-fresh
+# By Ivan Malopinsky - http://imsky.co
+# MIT License
+
 usage () {
 cat << EOD
 Usage: git fresh [-fmrF] [-sl] [remote] [root]
@@ -20,11 +25,20 @@ remote: remote name, origin by default
 root: root branch, master by default
 EOD
 
-exit 0;
+exit 0
+}
+
+say () {
+  echo "[git-fresh] $@" 1>&2
+}
+
+die () {
+  say $@
+  exit 1
 }
 
 error () {
-  echo -n "[git-fresh] error on line $1"
+  die "error on line $1"
 }
 
 trap 'error $LINENO' ERR
@@ -58,20 +72,46 @@ done
 
 shift $((OPTIND-1))
 
+# Are we inside a git repository?
+
+INSIDE_GIT_REPO=$(git rev-parse --is-inside-work-tree 2> /dev/null)
+
+if [[ -z "$INSIDE_GIT_REPO" ]]; then
+  die "Not a git repository"
+fi
+
+# Are we in a non-empty git repository?
+
+TOP_LEVEL_DIRECTORY=$(git rev-parse --show-toplevel)
+
+[[ $(ls -l "$TOP_LEVEL_DIRECTORY/.git/refs/heads" | wc -l) -eq "1" ]] && die "No HEAD ref available"
+
 CURRENT=$(git rev-parse --abbrev-ref HEAD)
 REMOTE=${1:-origin}
 ROOT=${2:-master}
 
+# Update remotes and prune stale remotes
+
 git remote update
 git remote prune $REMOTE
 
 STASH_STAMP=git-fresh-$(date +%s)
 
+# Stash changed files
+
 if ! git diff-files --quiet; then
   git stash save $STASH_STAMP
 fi
 
-git rebase $REMOTE $CURRENT
+# If the current branch exists on the remote, rebase against it
+
+REMOTE_CURRENT=$(git ls-remote $REMOTE --heads 2> /dev/null | grep "heads/$CURRENT$" | cat)
+
+if [[ ! -z "$REMOTE_CURRENT" ]]; then
+  git rebase $REMOTE $CURRENT
+fi
+
+# Switch to root branch (master)
 
 git checkout $ROOT > /dev/null 2>&1
 
@@ -82,6 +122,8 @@ else
   git rebase -q $REMOTE/$ROOT
 fi
 
+# Compute stale branches
+
 SMART_STALE=$(git branch -a --merged | tr -d "\* " | grep -Ev ">|$ROOT" | cat)
 
 LOCAL_STALE=$(grep -Ev "^remotes/" <<< "$SMART_STALE" | cat)
@@ -96,7 +138,7 @@ if [[ ! -z "${SMART_STALE// }" ]]; then
     if [[ "$FORCE_DELETE_STALE" = true ]]; then
       echo -n $LOCAL_STALE | xargs git branch -d 2> /dev/null
     else
-      echo "Local stale branches found:" $(echo -n $LOCAL_STALE | tr "\n" " ")
+      say "Local stale branches found:" $(echo -n $LOCAL_STALE | tr "\n" " ")
     fi
   fi
 
@@ -107,12 +149,12 @@ if [[ ! -z "${SMART_STALE// }" ]]; then
         echo -n $REMOTE_STALE | xargs git push $REMOTE --delete
       fi
     else
-      echo "Remote stale branches found:" $(echo -n $REMOTE_STALE | tr "\n" " ")
+      say "Remote stale branches found:" $(echo -n $REMOTE_STALE | tr "\n" " ")
     fi
   fi
 
   if [[ "$FORCE_DELETE_STALE" != true && "$STALE_BRANCHES" = true ]]; then
-    echo "Delete stale branches with: git fresh -f"
+    say "Delete stale branches with: git fresh -f"
   fi
 fi
 
@@ -120,7 +162,7 @@ if [[ ! -z $(git rev-parse --verify --quiet "$CURRENT") ]]; then
   git checkout $CURRENT 2> /dev/null
 
   if [ "$REBASE" = true ] && [ "$MERGE" = true ]; then
-    echo "Rebase and merge enabled, skipping both"
+    say "Rebase and merge enabled, skipping both"
   else
     if [[ "$REBASE" = true ]]; then
       git rebase $REMOTE/$ROOT
@@ -138,7 +180,7 @@ if [[ ! -z $(git stash list | grep $STASH_STAMP | cat) ]]; then
   if [[ "$APPLY_STASH" = true ]]; then
     git stash pop
   else
-    echo "Stashed changes present, apply with: git stash pop"
+    say "Stashed changes present, apply with: git stash pop"
   fi
 fi
 

install

@@ -1,4 +1,5 @@
 #!/usr/bin/env bash
-INSTALL_DIR=${INSTALL_DIR:-/usr/local/bin}
+INSTALL_DIR=${1:-/usr/local/bin}
 
+mkdir -p $INSTALL_DIR
 cp git-fresh $INSTALL_DIR && ([ -e $INSTALL_DIR/git-fresh ] && echo git-fresh installed in $INSTALL_DIR)

package.json

@@ -1,6 +1,6 @@
 {
   "name": "git-fresh",
-  "version": "1.2.1",
+  "version": "1.4.0",
   "description": "Utility to keep Git repositories fresh",
   "global": true,
   "repo": "imsky/git-fresh",