diff --git a/bin/git-delete-tag b/bin/git-delete-tag
index e4222a2d6..14c050779 100755
--- a/bin/git-delete-tag
+++ b/bin/git-delete-tag
@@ -2,4 +2,4 @@
 #
 # Delete a tag, both locally and from the origin remote
 
-git tag -d "$1" && git push origin ":refs/tags/$1"
+exec git tag -d "$1" && git push origin ":refs/tags/$1"
diff --git a/bin/git-github-open b/bin/git-github-open
index 1d8e25832..51da21e3a 100755
--- a/bin/git-github-open
+++ b/bin/git-github-open
@@ -28,14 +28,18 @@ test -z "$FILE" -o "$FILE" = '--help' && {
 
 # bail out with message to stderr and exit status 1
 die() {
-    echo "$(basename $0):" "$@" 1>&2
-    exit 1
+  # shellcheck disable=SC2086
+  echo "$(basename $0):" "$@" 1>&2
+  exit 1
 }
 
 # figure out relative path to the file from the root
 # of the work tree
+# shellcheck disable=SC2086
 path="$(basename $FILE)"
-cd "$(dirname $FILE)"
+
+# shellcheck disable=SC2046
+cd $(dirname "$FILE")
 while test ! -d .git ;
 do
   test "$(pwd)" = / && {
@@ -72,6 +76,7 @@ die "you're not tracking a remote branch"
 
 # at this point we're in root of the work tree and $path is
 # the relative path to file.
+# shellcheck disable=SC2086
 remote_url=$(git config --get remote.$remote.url)
 repo=$(echo "$remote_url" | sed 's/^.*:\(.*\)\.git/\1/')
 url="http://github.com/$repo/blob/$branch/$path"
diff --git a/bin/git-nuke b/bin/git-nuke
index 1ab33b501..45559afa1 100755
--- a/bin/git-nuke
+++ b/bin/git-nuke
@@ -7,6 +7,7 @@
 # Examples
 #
 #   git nuke add-git-nuke
+
 set -o errexit
 
 git branch -D "$1"
diff --git a/bin/git-pruneall b/bin/git-pruneall
index 0266691e4..56b606af9 100755
--- a/bin/git-pruneall
+++ b/bin/git-pruneall
@@ -22,6 +22,7 @@
 # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 # IN THE SOFTWARE.
 
+# shellcheck disable=SC2124
 REMOTES="$@"
 
 test -z "$REMOTES" &&
diff --git a/bin/git-purge-from-history b/bin/git-purge-from-history
index c23764acf..0b8f07f3c 100755
--- a/bin/git-purge-from-history
+++ b/bin/git-purge-from-history
@@ -21,6 +21,7 @@ if [[ ! -d .git ]]; then
 fi
 
 # remove all paths passed as arguments from the history of the repo
+# shellcheck disable=SC2124
 files=$@
 git filter-branch --index-filter "git rm -rf --cached --ignore-unmatch $files" HEAD