Merge pull request #59 from imsky/safety-checks

add safety checks before running git-fresh

Makefile

@@ -1,2 +0,0 @@
-install:
-	cp git-fresh /usr/local/bin

README.md

@@ -2,23 +2,23 @@
 
 Keep your repo fresh with one command.
 
-* Stashes your unstaged changes
-* Updates local master to match remote, prunes stale branches
-* Deletes stale local and remote branches with `-f` flag
-* Merges remote master into current branch with `-m` flag
-* Rebases current branch against remote master with `-r` flag
-* Restores your stashed changes with `-s` flag
-* Wipes the slate clean with `-F` flag
-
 ## Usage
 
 ```
-Usage: git fresh [-fmrsF] [remote] [root]
+Usage: git fresh [-fmrF] [-sl] [remote] [root]
+By default, git-fresh will:
+ - rebase against remote current branch
+ - stash changes
+ - prune remote branches
+
 -f: Delete stale local and remote branches
 -m: Merge remote root into current branch
 -r: Rebase current branch against remote root
--s: Apply stashed changes after run
 -F: Reset local root to remote root, wipe workspace
+
+-s: Apply stashed changes after run
+-l: Only delete local stale branches
+
 remote: remote name, origin by default
 root: root branch, master by default
 ```
@@ -29,7 +29,7 @@ root: root branch, master by default
 
 1. Clone or download
 2. `cd git-fresh`
-3. `sudo make install`
+3. `sudo ./install`
 
 ### Package
 

git-fresh

@@ -1,24 +1,46 @@
 #!/usr/bin/env bash
 
+# git-fresh
+# https://github.com/imsky/git-fresh
+# By Ivan Malopinsky - http://imsky.co
+# MIT License
+
 usage () {
-  echo "Usage: git fresh [-fmrsF] [remote] [root]"
-  echo "-f: Delete stale local and remote branches"
-  echo "-m: Merge remote root into current branch"
-  echo "-r: Rebase current branch against remote root"
-  echo "-s: Apply stashed changes after run"
-  echo "-F: Reset local root to remote root, wipe workspace"
-  echo "remote: remote name, origin by default"
-  echo "root: root branch, master by default"
-  exit 1;
+cat << EOD
+Usage: git fresh [-fmrF] [-sl] [remote] [root]
+By default, git-fresh will:
+ - rebase against remote current branch 
+ - stash changes
+ - prune remote branches
+
+-f: Delete stale local and remote branches
+-m: Merge remote root into current branch
+-r: Rebase current branch against remote root
+-F: Reset local root to remote root, wipe workspace
+
+-s: Apply stashed changes after run
+-l: Only delete local stale branches
+
+remote: remote name, origin by default
+root: root branch, master by default
+EOD
+
+exit 0
 }
 
 error () {
-  echo -n "[git-fresh] error on line $1"
+  echo "[git-fresh] error on line $1"
+  exit 1
+}
+
+die () {
+  echo "[git-fresh] $@" 1>&2
+  exit 1
 }
 
 trap 'error $LINENO' ERR
 
-while getopts "fmrsF" opt; do
+while getopts ":fmrslF" opt; do
   case $opt in
     f)
       FORCE_DELETE_STALE=true
@@ -32,17 +54,24 @@ while getopts "fmrsF" opt; do
     s)
       APPLY_STASH=true
       ;;
+    l)
+      DELETE_ONLY_LOCAL=true
+      ;;
     F)
       FORCE_LOCAL_RESET=true
       ;;
     *)
       usage
+      break
       ;;
   esac
 done
 
 shift $((OPTIND-1))
 
+[[ ! -e .git ]] && die "Not a git repository"
+[[ $(ls -l .git/refs/heads | wc -l) -eq "1" ]] && die "No HEAD ref available"
+
 CURRENT=$(git rev-parse --abbrev-ref HEAD)
 REMOTE=${1:-origin}
 ROOT=${2:-master}
@@ -56,6 +85,8 @@ if ! git diff-files --quiet; then
   git stash save $STASH_STAMP
 fi
 
+git rebase $REMOTE $CURRENT
+
 git checkout $ROOT > /dev/null 2>&1
 
 if [[ "$FORCE_LOCAL_RESET" = true ]]; then
@@ -86,13 +117,15 @@ if [[ ! -z "${SMART_STALE// }" ]]; then
   if [[ ! -z "${REMOTE_STALE// }" ]]; then
     STALE_BRANCHES=true
     if [[ "$FORCE_DELETE_STALE" = true ]]; then
-      echo -n $REMOTE_STALE | xargs git push $REMOTE --delete
+      if [[ "$DELETE_ONLY_LOCAL" != true ]]; then
+        echo -n $REMOTE_STALE | xargs git push $REMOTE --delete
+      fi
     else
       echo "Remote stale branches found:" $(echo -n $REMOTE_STALE | tr "\n" " ")
     fi
   fi
 
-  if [[ "$FORCE_DELETE_STALE" != true && $STALE_BRANCHES = true ]]; then
+  if [[ "$FORCE_DELETE_STALE" != true && "$STALE_BRANCHES" = true ]]; then
     echo "Delete stale branches with: git fresh -f"
   fi
 fi

install

@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+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

@@ -1,8 +1,8 @@
 {
   "name": "git-fresh",
-  "version": "1.0.0",
+  "version": "1.3.0",
   "description": "Utility to keep Git repositories fresh",
   "global": true,
   "repo": "imsky/git-fresh",
-  "install": "sudo make install"
+  "install": "sudo ./install"
 }