Migrating to Bash

2026-09-06 09:28:45 +00:00 · 2016-10-18 16:08:55 +03:00
parent 4d8c9050ad
commit 2f622e5c37
44 changed files with 5545 additions and 191 deletions
@@ -0,0 +1,121 @@
+#!/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]
+
+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
+
+gitstatus=$( LC_ALL=C git status --untracked-files=${__GIT_PROMPT_SHOW_UNTRACKED_FILES:-all} --porcelain --branch )
+
+# if the status is fatal, exit now
+[[ "$?" -ne 0 ]] && exit 0
+
+num_staged=0
+num_changed=0
+num_conflicts=0
+num_untracked=0
+while IFS='' read -r line || [[ -n "$line" ]]; do
+  status=${line:0:2}
+  while [[ -n $status ]]; do
+    case "$status" in
+      #two fixed character matches, loop finished
+      \#\#) branch_line="${line/\.\.\./^}"; break ;;
+      \?\?) ((num_untracked++)); break ;;
+      U?) ((num_conflicts++)); break;;
+      ?U) ((num_conflicts++)); break;;
+      DD) ((num_conflicts++)); break;;
+      AA) ((num_conflicts++)); break;;
+      #two character matches, first loop
+      ?M) ((num_changed++)) ;;
+      ?D) ((num_changed++)) ;;
+      ?\ ) ;;
+      #single character matches, second loop
+      U) ((num_conflicts++)) ;;
+      \ ) ;;
+      *) ((num_staged++)) ;;
+    esac
+    status=${status:0:(${#status}-1)}
+  done
+done <<< "$gitstatus"
+
+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 < ${stash_file}
+  fi
+fi
+
+clean=0
+if (( num_changed == 0 && num_staged == 0 && num_untracked == 0 && num_stashed == 0 && num_conflicts == 0)) ; then
+  clean=1
+fi
+
+IFS="^" read -ra branch_fields <<< "${branch_line/\#\# }"
+branch="${branch_fields[0]}"
+remote=
+upstream=
+
+if [[ "$branch" == *"Initial commit on"* ]]; then
+  IFS=" " read -ra fields <<< "$branch"
+  branch="${fields[3]}"
+  remote="_NO_REMOTE_TRACKING_"
+elif [[ "$branch" == *"no branch"* ]]; then
+  tag=$( git describe --tags --exact-match )
+  if [[ -n "$tag" ]]; then
+    branch="$tag"
+  else
+    branch="_PREHASH_$( git rev-parse --short HEAD )"
+  fi
+else
+  if [[ "${#branch_fields[@]}" -eq 1 ]]; then
+    remote="_NO_REMOTE_TRACKING_"
+  else
+    IFS="[,]" read -ra remote_fields <<< "${branch_fields[1]}"
+    upstream="${remote_fields[0]}"
+    for remote_field in "${remote_fields[@]}"; do
+      if [[ "$remote_field" == *ahead* ]]; then
+        num_ahead=${remote_field:6}
+        ahead="_AHEAD_${num_ahead}"
+      fi
+      if [[ "$remote_field" == *behind* ]]; then
+        num_behind=${remote_field:7}
+        behind="_BEHIND_${num_behind# }"
+      fi
+    done
+    remote="${behind}${ahead}"
+  fi
+fi
+
+if [[ -z "$remote" ]] ; then
+  remote='.'
+fi
+
+if [[ -z "$upstream" ]] ; then
+  upstream='^'
+fi
+
+printf "%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n" \
+  "$branch" \
+  "$remote" \
+  "$upstream" \
+  $num_staged \
+  $num_conflicts \
+  $num_changed \
+  $num_untracked \
+  $num_stashed \
+  $clean
+
+exit