Initial checkin

home-rc/dot-files/.bash-git-prompt/gitstatus_pre-1.7.10.sh

@@ -0,0 +1,140 @@
+#!/usr/bin/env bash
+# -*- coding: UTF-8 -*-
+# gitstatus.sh -- produce the current git repo status on STDOUT
+# Functionally equivalent to 'gitstatus.py', but written in bash (not python).
+#
+# Alan K. Stebbens <aks@stebbens.org> [http://github.com/aks]
+
+# helper functions
+count_lines() { echo "${1}" | egrep -c "^${2}" ; }
+all_lines() { echo "${1}" | grep -v "^$" | wc -l ; }
+
+if [[ -z "${__GIT_PROMPT_DIR-}" ]]; then
+  SOURCE="${BASH_SOURCE[0]}"
+  while [[ -h "${SOURCE}" ]]; do
+    DIR="$( cd -P "$( dirname "${SOURCE}" )" && pwd )"
+    SOURCE="$(readlink "${SOURCE}")"
+    [[ "${SOURCE}" != /* ]] && SOURCE="${DIR}/${SOURCE}"
+  done
+  __GIT_PROMPT_DIR="$( cd -P "$( dirname "${SOURCE}" )" && pwd )"
+fi
+
+if [[ "${__GIT_PROMPT_WITH_USERNAME_AND_REPO}" == "1" ]]; then
+  # returns "user/repo" from remote.origin.url git variable
+  #
+  # supports urls:
+  # https://user@bitbucket.org/user/repo.git
+  # https://github.com/user/repo.git
+  # git@github.com:user/repo.git
+  #
+  remote_url=$(git config --get remote.origin.url | sed 's|^.*//||; s/.*@//; s/[^:/]\+[:/]//; s/.git$//')
+else
+  remote_url='.'
+fi
+
+gitsym=$( git symbolic-ref HEAD 2>/dev/null )
+
+#If exit status OK, we have a branch
+if [[ "${?}" == 0 ]]; then
+  # the current branch is the tail end of the symbolic reference
+  branch="${gitsym##refs/heads/}"    # get the basename after "refs/heads/"
+fi
+
+gitstatus=$( git diff --name-status 2>&1 )
+
+# if the diff is fatal, exit now
+if [[ "${?}" != 0 ]]; then exit 0; fi
+
+staged_files=$( git diff --staged --name-status )
+
+num_changed=$(( $( all_lines "${gitstatus}" ) - $( count_lines "${gitstatus}" U ) ))
+num_conflicts=$( count_lines "${staged_files}" U )
+num_staged=$(( $( all_lines "${staged_files}" ) - num_conflicts ))
+num_untracked=$( git ls-files --others --exclude-standard $(git rev-parse --show-cdup) | wc -l )
+
+num_stashed=0
+if [[ "${__GIT_PROMPT_IGNORE_STASH}" != "1" ]]; then
+  stash_file="$( git rev-parse --git-dir )/logs/refs/stash"
+  if [[ -e "${stash_file}" ]]; then
+    while IFS='' read -r wcline || [[ -n "${wcline}" ]]; do
+      ((num_stashed++))
+    done < "${stash_file}"
+  fi
+fi
+
+clean=0
+if (( num_changed == 0 && num_staged == 0 && num_untracked == 0 && num_stashed == 0 && num_conflicts == 0 )) ; then
+  clean=1
+fi
+
+remote=""
+upstream=""
+
+if [[ -z "${branch-}" ]]; then
+  tag=$( git describe --tags --exact-match 2>/dev/null )
+  if [[ -n "${tag}" ]]; then
+    branch="${tag}"
+  else
+    branch="_PREHASH_$( git rev-parse --short HEAD )"
+  fi
+else
+  remote_name=$( git config "branch.${branch}.remote" )
+
+  if [[ -n "$remote_name" ]]; then
+    merge_name=$( git config "branch.${branch}.merge" )
+  else
+    remote_name='origin'
+    merge_name="refs/heads/${branch}"
+  fi
+
+  if [[ "${remote_name}" == '.' ]]; then
+    remote_ref="${merge_name}"
+  else
+    remote_ref="refs/remotes/${remote_name}/${merge_name##refs/heads/}"
+  fi
+
+  # detect if the local branch have a remote tracking branch
+  upstream=$( git rev-parse --abbrev-ref "${branch}"@{upstream} 2>&1 )
+
+  if [[ "${?}" == 0 ]]; then
+     # get the revision list, and count the leading "<" and ">"
+    revgit=$( git rev-list --left-right "${remote_ref}...HEAD" 2>/dev/null )
+    if [[ "${?}" == 0 ]]; then
+      num_revs=$( all_lines "${revgit}" )
+      num_ahead=$( count_lines "${revgit}" "^>" )
+      num_behind=$(( num_revs - num_ahead ))
+      if (( num_behind > 0 )) ; then
+        remote="${remote}_BEHIND_${num_behind}"
+      fi
+      if (( num_ahead > 0 )) ; then
+        remote="${remote}_AHEAD_${num_ahead}"
+      fi
+    fi
+  else
+    remote='_NO_REMOTE_TRACKING_'
+    remote_url='.'
+    unset upstream
+  fi
+fi
+
+if [[ -z "${remote:+x}" ]] ; then
+  remote='.'
+fi
+
+if [[ -z "${upstream:+x}" ]] ; then
+  upstream='^'
+fi
+
+printf "%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n" \
+  "${branch}" \
+  "${remote}" \
+  "${remote_url}" \
+  "${upstream}" \
+  "${num_staged}" \
+  "${num_conflicts}" \
+  "${num_changed}" \
+  "${num_untracked// /}" \
+  "${num_stashed}" \
+  "${clean}"
+
+exit