more work done on the python fork

_docs/PKGBUILD.templates.d.python/vcs/04.vcsver.j2

@@ -0,0 +1,28 @@
+{% if pkg['vcstype'] == 'bzr' %}pkgver() {
+  cd "${_pkgname}"
+  printf "r%s" "$(bzr revno)"
+}{% endif %}{% if pkg['vcstype'] == 'git' %}pkgver() {
+  cd "${srcdir}/${_pkgname}"
+  # no tags, so number of revisions e.g. r1142.a17a017
+  printf "r%s.%s" "$(git rev-list --count HEAD)" "$(git rev-parse --short HEAD)"
+  ## most recent annotated tag e.g. 2.0.r6.ga17a017
+  #git describe --long | sed 's/\([^-]*-g\)/r\1/;s/-/./g'
+  ## most recent un-annotated tag e.g. 0.71.r115.gd95ee07
+  #git describe --long --tags | sed 's/\([^-]*-g\)/r\1/;s/-/./g'
+  ## or:
+  ##git describe --long --tags | sed 's/-/.r/;s/-/./'
+  ## project uses tags with prefix. e.g. v...
+  #git describe --long | sed 's/^foo-//;s/\([^-]*-g\)/r\1/;s/-/./g'
+  ## both with fallback, e.g. 0.9.9.r27.g2b039da with tags, else r1581.2b039da
+  #( set -o pipefail
+  #  git describe --long 2>/dev/null | sed 's/\([^-]*-g\)/r\1/;s/-/./g' ||
+  #  printf "r%s.%s" "$(git rev-list --count HEAD)" "$(git rev-parse --short HEAD)"
+  #)
+}{% endif %}{% if pkg['vcstype'] == 'hg' %}pkgver() {
+  cd "${_pkgname}"
+  printf "r%s.%s" "$(hg identify -n)" "$(hg identify -i)"
+}{% endif %}{% if pkg['vcstype'] == 'svn' %}pkgver() {
+  cd "${_pkgname}"
+  local ver="$(svnversion)"
+  printf "r%s" "${ver//[[:alpha:]]}"
+}{% endif %}