[zsh|git] update git global hook setup

use git config variables to run global hooks, and try to detect them
when entering a dir

.config/git/hooks/pre-commit

@@ -15,7 +15,7 @@ ewarn() {
 
 
 runif() {
-    if [ -n "$1" ]; then
+    if [ "$(git config "odrhooks.$1")" = 1 ]; then
         shift
         einfo "$*"
         sh -c "$*" || die "$*: failed"
@@ -23,9 +23,9 @@ runif() {
     return 0
 }
 
-runif "$GIT_HOOK_ISORT" isort . --check
-runif "$GIT_HOOK_BLACK" black . --check
-runif "$GIT_HOOK_RUFF" ruff check .
-runif "$GIT_HOOK_PYRIGHT" pyright .
-runif "$GIT_HOOK_CLANG_FORMAT" 'fd --glob \*.c | xargs clang-format -Werror -n'
-runif "$GIT_HOOK_GOFMT" '[ "$(gofmt -l . | wc -l)" -eq 0 ] || (gofmt -l -d .; exit 1)'
+runif "isort" isort . --check
+runif "black" black . --check
+runif "ruff" ruff check .
+runif "pyright" pyright .
+runif "clang_format" 'fd --glob \*.c | xargs clang-format -Werror -n'
+runif "gofmt" '[ "$(gofmt -l . | wc -l)" -eq 0 ] || (gofmt -l -d .; exit 1)'

.zsh/envs.zsh

@@ -129,21 +129,31 @@ odr-load-poetry() {
 odr-load-python-venv() {
     if [ -f poetry.lock ]; then
         odr-load-poetry
-        return
-    fi
-    if [ -f pyproject.toml ]; then
+    elif [ -f pyproject.toml ]; then
         VENVDIR="${PWD}/.direnv/python-$(odr-python-minor-version)"
         if [ -d "$VENVDIR" ]; then
             odr-load-venv "$VENVDIR"
         else
             ewarn "found pyproject.toml file but no local venv"
         fi
+    else
+        return 1
     fi
+
+    [ -f ~/.zsh/envs/python ] && source ~/.zsh/envs/python
+}
+
+odr-display-hooks() {
+    [ -n "${DETECTED_HOOKS}" ] && 
+        einfo "Detected hooks: ${DETECTED_HOOKS}. Enable them with enable-detected-hooks"
+    git config --get-regexp odrhooks\. 2>/dev/null
 }
 
 odr-defaultenv() {
+    export DETECTED_HOOKS=
     odr-load-python-venv
     odr-loadenvrc
+    odr-display-hooks
 }
 
 odr-envs() {
@@ -158,6 +168,18 @@ odr-envs() {
     esac
 }
 
+enable-hook() {
+    for hook in $@; do
+        einfo "Enabling $hook hook"
+        git config --local "odrhooks.$hook" 1
+    done
+}
+
+enable-detected-hooks() {
+    hooks=(${(s/ /)DETECTED_HOOKS})
+    enable-hook $hooks
+}
+
 source_up() {
     ewarn "source_up was called and is a no-op, should be removed in .envrc"
 }

.zsh/envs/python

@@ -0,0 +1,15 @@
+
+# shellcheck shell=zsh
+
+function () {
+    local possible_hooks=(ruff isort black pyright)
+    local hooks=()
+
+    for hook in ${possible_hooks[@]}; do
+        [ "$(git config odrhooks.$hook)" != 1 ] &&
+            grep $hook pyproject.toml &>/dev/null && hooks+=($hook)
+    done
+
+    export DETECTED_HOOKS="$hooks"
+
+}