diff --git a/libexec/portzap/commands/portzap-checkout b/libexec/portzap/commands/portzap-checkout
index 221b75f..34c3bcb 100755
--- a/libexec/portzap/commands/portzap-checkout
+++ b/libexec/portzap/commands/portzap-checkout
@@ -6,7 +6,7 @@ set -e
 localbase=${LOCALBASE:-$(realpath "$(dirname "$0")"/../../..)}
 libexec="${localbase}"/libexec/portzap
 git="${libexec}"/utils/git/run
-gitdir=$1
+repodir=$1
 branch=$2
 
 ##
@@ -26,12 +26,12 @@ if ! "${libexec}"/utils/isportzap-member; then
     exit 1
 fi
 
-if [ ! -e "${gitdir}/.git" ]; then
+if [ ! -e "${repodir}/.git" ]; then
     printerr "try 'portzap clone' instead"
     exit 1
 fi
 
-cd "${gitdir}"
+cd "${repodir}"
 "${git}" fetch origin
 "${git}" checkout "${branch}" ||
 "${git}" checkout -t origin/"${branch}"
diff --git a/libexec/portzap/commands/portzap-clone b/libexec/portzap/commands/portzap-clone
index 4001542..ec7d224 100755
--- a/libexec/portzap/commands/portzap-clone
+++ b/libexec/portzap/commands/portzap-clone
@@ -6,8 +6,8 @@ set -e
 localbase=${LOCALBASE:-$(realpath "$(dirname "$0")"/../../..)}
 libexec="${localbase}"/libexec/portzap
 git="${libexec}"/utils/git/run
-giturl=$1
-gitdir=$2
+repourl=$1
+repodir=$2
 branch=$3
 
 ##
@@ -27,13 +27,13 @@ if ! "${libexec}"/utils/isportzap-member; then
     exit 1
 fi
 
-if [ -e "${gitdir}/.git" ]; then
+if [ -e "${repodir}/.git" ]; then
     printerr "try 'portzap pull' instead"
     exit 1
 fi
 
-"${git}" clone "${giturl}" "${gitdir}"
-cd "${gitdir}"
+"${git}" clone "${repourl}" "${repodir}"
+cd "${repodir}"
 "${git}" config core.filemode off
 "${git}" checkout -t origin/"${branch}" > /dev/null 2>&1 || true
 printok "clone complete"
diff --git a/libexec/portzap/commands/portzap-install b/libexec/portzap/commands/portzap-install
index bbca9f0..2b31a5e 100755
--- a/libexec/portzap/commands/portzap-install
+++ b/libexec/portzap/commands/portzap-install
@@ -7,7 +7,7 @@ localbase=${LOCALBASE:-$(realpath "$(dirname "$0")"/../../..)}
 libexec="${localbase}"/libexec/portzap
 git="${libexec}"/utils/git/run
 mask=$("${libexec}"/utils/get-umask)
-gitdir=$1
+repodir=$1
 installdir=$2
 revfile=$3
 
@@ -23,14 +23,14 @@ if [ "$(id -u)" != "0" ]; then
     exit 1
 fi
 
-cd "${gitdir}"
+cd "${repodir}"
 if [ -e "${revfile}" ]; then
     ##
     # install update
     rev=$(cat "${revfile}")
     "${libexec}"/utils/install/run -d "${installdir}"
-    "${libexec}"/utils/install/update-deleted-files "${gitdir}" "${installdir}" "${rev}"
-    "${libexec}"/utils/install/update-changed-files "${gitdir}" "${installdir}" "${rev}"
+    "${libexec}"/utils/install/update-deleted-files "${repodir}" "${installdir}" "${rev}"
+    "${libexec}"/utils/install/update-changed-files "${repodir}" "${installdir}" "${rev}"
 else
     ##
     # install from scratch
diff --git a/libexec/portzap/commands/portzap-pull b/libexec/portzap/commands/portzap-pull
index 2acdfc2..7711e0b 100755
--- a/libexec/portzap/commands/portzap-pull
+++ b/libexec/portzap/commands/portzap-pull
@@ -6,7 +6,7 @@ set -e
 localbase=${LOCALBASE:-$(realpath "$(dirname "$0")"/../../..)}
 libexec="${localbase}"/libexec/portzap
 git="${libexec}"/utils/git/run
-gitdir=$1
+repodir=$1
 
 ##
 # functions
@@ -25,12 +25,12 @@ if ! "${libexec}"/utils/isportzap-member; then
     exit 1
 fi
 
-if [ ! -e "${gitdir}/.git" ]; then
+if [ ! -e "${repodir}/.git" ]; then
     printerr "try 'portzap clone' instead"
     exit 1
 fi
 
-cd "${gitdir}"
+cd "${repodir}"
 branch=$("${git}" branch --show-current)
 "${git}"  pull --rebase origin "${branch}"
 printok "pull complete"
diff --git a/libexec/portzap/commands/portzap-rm b/libexec/portzap/commands/portzap-rm
index d5253cb..a859348 100755
--- a/libexec/portzap/commands/portzap-rm
+++ b/libexec/portzap/commands/portzap-rm
@@ -5,7 +5,7 @@ set -e
 # variables
 localbase=${LOCALBASE:-$(realpath "$(dirname "$0")"/../../..)}
 libexec="${localbase}"/libexec/portzap
-gitdir=$1
+repodir=$1
 installdir=$2
 
 ##
@@ -34,19 +34,19 @@ if [ "$(id -u)" != "0" ]; then
     exit 1
 fi
 
-printf "1 Remove the contents of %s\n" "${gitdir}"
+printf "1 Remove the contents of %s\n" "${repodir}"
 printf "2 Remove the contents of %s\n" "${installdir}"
-printf "3 Remove the contents of both (%s and %s)\n" "${gitdir}" "${installdir}"
+printf "3 Remove the contents of both (%s and %s)\n" "${repodir}" "${installdir}"
 printf "4 Do nothing\n"
 printf "1-4: "
 while true; do
     read -r r
     if [ "${r}" = "1" ]; then
-        erase "${gitdir}"
+        erase "${repodir}"
     elif [ "${r}" = "2" ]; then
         erase "${installdir}"
     elif [ "${r}" = "3" ]; then
-        erase "${gitdir}"
+        erase "${repodir}"
         erase "${installdir}"
     elif [ "${r}" = "4" ]; then
         break
diff --git a/libexec/portzap/commands/portzap-sh b/libexec/portzap/commands/portzap-sh
index 1767347..7baa87f 100755
--- a/libexec/portzap/commands/portzap-sh
+++ b/libexec/portzap/commands/portzap-sh
@@ -6,7 +6,7 @@ set -e
 localbase=${LOCALBASE:-$(realpath "$(dirname "$0")"/../../..)}
 libexec="${localbase}"/libexec/portzap
 user=_portzap
-gitdir="${1}"
+repodir="${1}"
 
 ##
 # functions
@@ -25,12 +25,12 @@ if ! "${libexec}"/utils/isportzap-member; then
    exit 1
 fi
 
-if [ ! -e "${gitdir}" ]; then
+if [ ! -e "${repodir}" ]; then
     printerr "try 'portzap clone' instead"
     exit 1
 fi
 
-cd "${gitdir}"
+cd "${repodir}"
 doas -n \
      -u "${user}" \
      /bin/sh
diff --git a/libexec/portzap/utils/git/get-changed-files b/libexec/portzap/utils/git/get-changed-files
index 7c64d41..d890d81 100755
--- a/libexec/portzap/utils/git/get-changed-files
+++ b/libexec/portzap/utils/git/get-changed-files
@@ -6,11 +6,11 @@ set -e
 localbase=${LOCALBASE:-$(realpath "$(dirname "$0")"/../../../..)}
 libexec="${localbase}"/libexec/portzap
 git="${libexec}"/utils/git/run
-gitdir=$1
+repodir=$1
 commit=$2
 
 ##
 # main
-cd "${gitdir}"
+cd "${repodir}"
 "${git}" diff -l0 --name-only --diff-filter=A "${commit}" "HEAD"
 "${git}" diff -l0 --name-only --diff-filter=M "${commit}" "HEAD"
diff --git a/libexec/portzap/utils/git/get-removed-files b/libexec/portzap/utils/git/get-removed-files
index 4ad32dc..3142f21 100755
--- a/libexec/portzap/utils/git/get-removed-files
+++ b/libexec/portzap/utils/git/get-removed-files
@@ -6,10 +6,10 @@ set -e
 localbase=${LOCALBASE:-$(realpath "$(dirname "$0")"/../../../..)}
 libexec="${localbase}"/libexec/portzap
 git="${libexec}"/utils/git/run
-gitdir=$1
+repodir=$1
 commit=$2
 
 ##
 # main
-cd "${gitdir}"
+cd "${repodir}"
 "${git}" diff -l0 --name-only --diff-filter=D "${commit}" "HEAD"
diff --git a/libexec/portzap/utils/install/update-changed-files b/libexec/portzap/utils/install/update-changed-files
index 799dc2f..e31cfe2 100755
--- a/libexec/portzap/utils/install/update-changed-files
+++ b/libexec/portzap/utils/install/update-changed-files
@@ -5,14 +5,14 @@ set -e
 # variables
 localbase=${LOCALBASE:-$(realpath "$(dirname "$0")"/../../../..)}
 libexec="${localbase}"/libexec/portzap
-gitdir=$1
+repodir=$1
 installdir=$2
 rev=$3
 
 ##
 # main
-cd "${gitdir}"
-files=$("${libexec}"/utils/git/get-changed-files "${gitdir}" "${rev}")
+cd "${repodir}"
+files=$("${libexec}"/utils/git/get-changed-files "${repodir}" "${rev}")
 for file in ${files}; do
     target="${installdir}/${file}"
     parent=$(dirname "${target}")
diff --git a/libexec/portzap/utils/install/update-deleted-files b/libexec/portzap/utils/install/update-deleted-files
index bb9af91..b5e60a9 100755
--- a/libexec/portzap/utils/install/update-deleted-files
+++ b/libexec/portzap/utils/install/update-deleted-files
@@ -5,14 +5,14 @@ set -e
 # variables
 localbase=${LOCALBASE:-$(realpath "$(dirname "$0")"/../../../..)}
 libexec="${localbase}"/libexec/portzap
-gitdir=$1
+repodir=$1
 installdir=$2
 rev=$3
 
 ##
 # main
-cd "${gitdir}"
-files=$("${libexec}"/utils/git/get-removed-files "${gitdir}" "${rev}")
+cd "${repodir}"
+files=$("${libexec}"/utils/git/get-removed-files "${repodir}" "${rev}")
 for file in ${files}; do
     target="${installdir}"/"${file}"
     parent=$(dirname "${target}")