implement dynamic actions for #83

README.md

@@ -397,6 +397,20 @@ The above will execute `echo 'vim installed' > /tmp/mydotdrop.log` when
 vimrc is installed and `echo 'xinitrc installed' > /tmp/myotherlog.log'`
 when xinitrc is installed.
 
+Variables (see [Available variables](#available-variables)) can be used
+in actions for more advanced usage:
+```yaml
+dynvariables:
+  trizen_itself_available: (command -v trizen>/dev/null || cd /tmp; git clone https://aur.archlinux.org/trizen.git; cd trizen; makepkg -si)
+  trizen_package_install: {{@@ trizen_itself_available @@}} && trizen -S --needed
+
+actions:
+  trizen_install: {{@@ trizen_package_install @@}} {0}
+  pre:
+    pip_install: {{@@ trizen_package_install @@}} python-pip && pip install {0}
+    yarn_install: {{@@ trizen_package_install @@}} yarn && yarn global add {0}
+```
+
 ## Use transformations
 
 There are two types of transformations available:

dotdrop/config.py

@@ -119,11 +119,20 @@ class Cfg:
             raise ValueError('config is not valid')
 
     def eval_dotfiles(self, profile, debug=False):
-        """resolve dotfiles src/dst templating for this profile"""
+        """resolve dotfiles src/dst/actions templating for this profile"""
         t = Templategen(variables=self.get_variables(profile, debug=debug))
         for d in self.get_dotfiles(profile):
+            # src and dst path
             d.src = t.generate_string(d.src)
             d.dst = t.generate_string(d.dst)
+            # pre actions
+            if self.key_actions_pre in d.actions:
+                for action in d.actions[self.key_actions_pre]:
+                    action.action = t.generate_string(action.action)
+            # post actions
+            if self.key_actions_post in d.actions:
+                for action in d.actions[self.key_actions_post]:
+                    action.action = t.generate_string(action.action)
 
     def _load_file(self):
         """load the yaml file"""

tests-ng/dynactions.sh

@@ -0,0 +1,126 @@
+#!/usr/bin/env bash
+# author: deadc0de6 (https://github.com/deadc0de6)
+# Copyright (c) 2017, deadc0de6
+#
+# test dynamic actions
+# returns 1 in case of error
+#
+
+# exit on first error
+set -e
+
+# all this crap to get current path
+rl="readlink -f"
+if ! ${rl} "${0}" >/dev/null 2>&1; then
+  rl="realpath"
+
+  if ! hash ${rl}; then
+    echo "\"${rl}\" not found !" && exit 1
+  fi
+fi
+cur=$(dirname "$(${rl} "${0}")")
+
+#hash dotdrop >/dev/null 2>&1
+#[ "$?" != "0" ] && echo "install dotdrop to run tests" && exit 1
+
+#echo "called with ${1}"
+
+# dotdrop path can be pass as argument
+ddpath="${cur}/../"
+[ "${1}" != "" ] && ddpath="${1}"
+[ ! -d ${ddpath} ] && echo "ddpath \"${ddpath}\" is not a directory" && exit 1
+
+export PYTHONPATH="${ddpath}:${PYTHONPATH}"
+bin="python3 -m dotdrop.dotdrop"
+
+echo "dotdrop path: ${ddpath}"
+echo "pythonpath: ${PYTHONPATH}"
+
+# get the helpers
+source ${cur}/helpers
+
+echo -e "\e[96m\e[1m==> RUNNING $(basename $BASH_SOURCE) <==\e[0m"
+
+################################################################
+# this is the test
+################################################################
+
+# the action temp
+tmpa=`mktemp -d`
+# the dotfile source
+tmps=`mktemp -d`
+mkdir -p ${tmps}/dotfiles
+# the dotfile destination
+tmpd=`mktemp -d`
+
+# create the config file
+cfg="${tmps}/config.yaml"
+
+cat > ${cfg} << _EOF
+variables:
+  var1: "var1"
+  var2: "{{@@ var1 @@}} var2"
+  var3: "{{@@ var2 @@}} var3"
+  var4: "{{@@ dvar4 @@}}"
+dynvariables:
+  dvar1: "echo dvar1"
+  dvar2: "{{@@ dvar1 @@}} dvar2"
+  dvar3: "{{@@ dvar2 @@}} dvar3"
+  dvar4: "echo {{@@ var3 @@}}"
+actions:
+  pre:
+    preaction1: "echo {{@@ var3 @@}} > ${tmpa}/preaction1"
+    preaction2: "echo {{@@ dvar3 @@}} > ${tmpa}/preaction2"
+  post:
+    postaction1: "echo {{@@ var3 @@}} > ${tmpa}/postaction1"
+    postaction2: "echo {{@@ dvar3 @@}} > ${tmpa}/postaction2"
+  naked1: "echo {{@@ var3 @@}} > ${tmpa}/naked1"
+  naked2: "echo {{@@ dvar3 @@}} > ${tmpa}/naked2"
+config:
+  backup: true
+  create: true
+  dotpath: dotfiles
+dotfiles:
+  f_abc:
+    dst: ${tmpd}/abc
+    src: abc
+    actions:
+      - preaction1
+      - preaction2
+      - postaction1
+      - postaction2
+      - naked1
+      - naked2
+profiles:
+  p1:
+    dotfiles:
+    - f_abc
+_EOF
+cat ${cfg}
+
+# create the dotfile
+echo "test" > ${tmps}/dotfiles/abc
+
+# install
+cd ${ddpath} | ${bin} install -f -c ${cfg} -p p1 --verbose
+
+# checks
+[ ! -e ${tmpa}/preaction1 ] && exit 1
+[ ! -e ${tmpa}/preaction2 ] && exit 1
+[ ! -e ${tmpa}/postaction1 ] && exit 1
+[ ! -e ${tmpa}/postaction2 ] && exit 1
+[ ! -e ${tmpa}/naked1 ] && exit 1
+[ ! -e ${tmpa}/naked2 ] && exit 1
+
+grep 'var1 var2 var3' ${tmpa}/preaction1 >/dev/null
+grep 'dvar1 dvar2 dvar3' ${tmpa}/preaction2 >/dev/null
+grep 'var1 var2 var3' ${tmpa}/postaction1 >/dev/null
+grep 'dvar1 dvar2 dvar3' ${tmpa}/postaction2 >/dev/null
+grep 'var1 var2 var3' ${tmpa}/naked1 >/dev/null
+grep 'dvar1 dvar2 dvar3' ${tmpa}/naked2 >/dev/null
+
+## CLEANING
+rm -rf ${tmps} ${tmpd} ${tmpa}
+
+echo "OK"
+exit 0