Fix git log by pulling grb latest version

bin/max-git-log

@@ -1,50 +1,56 @@
 #!/bin/bash
 
-# Log output:
-#
-# * 51c333e    (12 days)    <Gary Bernhardt>   add vim-eunuch
-#
-# The time massaging regexes start with ^[^<]* because that ensures that they
-# only operate before the first "<". That "<" will be the beginning of the
-# author name, ensuring that we don't destroy anything in the commit message
-# that looks like time.
-#
-# The log format uses } characters between each field, and `column` is later
-# used to split on them. A } in the commit subject or any other field will
-# break this.
+LOG_HASH="%C(always,yellow)%h%C(always,reset)"
+LOG_RELATIVE_TIME="%C(always,green)(%ar)%C(always,reset)"
+LOG_AUTHOR="%C(always,blue)<%an>%C(always,reset)"
+LOG_SUBJECT="%s"
+LOG_REFS="%C(always,red)%d%C(always,reset)"
 
-HASH="%C(yellow)%h%Creset"
-RELATIVE_TIME="%Cgreen(%ar)%Creset"
-AUTHOR="%C(blue)<%an>%Creset"
-REFS="%C(red)%d%Creset"
-SUBJECT="%s"
+LOG_FORMAT="$LOG_HASH}$LOG_RELATIVE_TIME}$LOG_AUTHOR}$LOG_REFS $LOG_SUBJECT"
 
-FORMAT="$HASH}$RELATIVE_TIME}$AUTHOR}$REFS $SUBJECT"
+BRANCH_PREFIX="%(HEAD)"
+BRANCH_REF="%(color:red)%(color:bold)%(refname:short)%(color:reset)"
+BRANCH_HASH="%(color:yellow)%(objectname:short)%(color:reset)"
+BRANCH_DATE="%(color:green)(%(committerdate:relative))%(color:reset)"
+BRANCH_AUTHOR="%(color:blue)%(color:bold)<%(authorname)>%(color:reset)"
+BRANCH_CONTENTS="%(contents:subject)"
 
-ANSI_BLACK='\033[30m'
-ANSI_RED='\033[31m'
-ANSI_GREEN='\033[32m'
-ANSI_YELLOW='\033[33m'
-ANSI_BLUE='\033[34m'
-ANSI_MAGENTA='\033[35m'
-ANSI_CYAN='\033[36m'
-ANSI_WHITE='\033[37m'
-ANSI_RESET='\033[0m'
+BRANCH_FORMAT="$BRANCH_PREFIX}$BRANCH_REF}$BRANCH_HASH}$BRANCH_DATE}$BRANCH_AUTHOR}$BRANCH_CONTENTS"
 
-git log --color=always --graph --pretty="tformat:${FORMAT}" $* |
-  # Replace (2 years ago) with (2 years)
-  sed -Ee 's/(^[^<]*) ago\)/\1)/' |
-  # Replace (2 years, 5 months) with (2 years)
-  sed -Ee 's/(^[^<]*), [[:digit:]]+ .*months?\)/\1)/' |
-  # Color merge commits specially
-  sed -Ee "s/(Merge (branch|remote-tracking branch|pull request) .*$)/$(printf $ANSI_RED)\1$(printf $ANSI_RESET)/" |
-  # Line columns up based on } delimiter
-  column -s '}' -t |
-  # Page only if we're asked to.
-  if [ -n "$GIT_NO_PAGER" ]; then
-    cat
-  else
-    # Page only if needed.
-    less --quit-if-one-screen --no-init --RAW-CONTROL-CHARS --chop-long-lines
-  fi
+show_git_head() {
+    pretty_git_log -1
+    git show -p --pretty="tformat:"
+}
 
+pretty_git_log() {
+    git log --graph --pretty="tformat:${LOG_FORMAT}" --no-show-signature $* | pretty_git_format | git_page_maybe
+}
+
+pretty_git_branch() {
+    git branch -v --color=always --format=${BRANCH_FORMAT} $* | pretty_git_format
+}
+
+pretty_git_branch_sorted() {
+    git branch -v --color=always --format=${BRANCH_FORMAT} --sort=-committerdate $* | pretty_git_format
+}
+
+pretty_git_format() {
+    # Replace (2 years ago) with (2 years)
+    sed -Ee 's/(^[^<]*) ago\)/\1)/' |
+    # Replace (2 years, 5 months) with (2 years)
+    sed -Ee 's/(^[^<]*), [[:digit:]]+ .*months?\)/\1)/' |
+    # Line columns up based on } delimiter
+    column -s '}' -t
+}
+
+git_page_maybe() {
+    # Page only if we're asked to.
+    if [ -n "$GIT_NO_PAGER" ]; then
+        cat
+    else
+        # Page only if needed.
+        less --quit-if-one-screen --no-init --RAW-CONTROL-CHARS --chop-long-lines
+    fi
+}
+
+pretty_git_log