git-line-summary: should be the history

Also remove some trailing lines after the output.

Author: spacewander

Commands.md

@@ -30,7 +30,6 @@
  - [`git ignore`](#git-ignore)
  - [`git ignore-io`](#git-ignore-io)
  - [`git info`](#git-info)
- - [`git line-summary`](#git-line-summary)
  - [`git local-commits`](#git-local-commits)
  - [`git lock`](#git-lock)
  - [`git locked`](#git-locked)
@@ -214,10 +213,6 @@ project  : git-extras
     1 Daniel Schildt            0.0%
 ```
 
-## git line-summary
-
-  WARNING: git line-summary has been replaced by [`git summary --line`](#git-summary) and will be removed in a future release.
-
 ## git effort
 
   Displays "effort" statistics, currently just the number of commits per file, showing highlighting where the most activity is. The "active days" column is the total number of days which contributed modifications to this file.

Installation.md

@@ -83,7 +83,7 @@ in `c:\git`:
 install.cmd "C:\git"
 ```
 
-Last, to use `git line-summary`, `git summary` and `git ignore-io`, you need to copy
+Last, to use `git summary` and `git ignore-io`, you need to copy
 `column.exe` from a [msys2][1] installation from `folder-your-msys2-installed/usr/bin`
 to `folder-your-git-installed/usr/bin` or wait for git 2.7.1, which will include column.exe.
 

bin/git-line-summary

@@ -46,11 +46,11 @@ file_count() {
 # list authors
 #
 
-authors() {
+format_authors() {
   # a rare unicode character is used as separator to avoid conflicting with
   # author name. However, Linux column utility will escape tab if separator
   # specified, so we do unesaping after it.
-  git shortlog -n -s $commit | LC_ALL=C awk '
+  LC_ALL=C awk '
   { args[NR] = $0; sum += $0 }
   END {
     for (i = 1; i <= NR; ++i) {
@@ -68,24 +68,60 @@ repository_age() {
   git log --reverse --pretty=oneline --format="%ar" | head -n 1 | LC_ALL=C sed 's/ago//'
 }
 
+#
+# list the last modified author for each line
+#
+single_file() {
+  while read data
+  do
+    if [[ $(file "$data") = *text* ]]; then
+      git blame --line-porcelain "$data" 2>/dev/null | grep "^author\ " | LC_ALL=C sed -n 's/^author //p';
+    fi
+  done
+}
+
+#
+# list the author for all file
+#
+lines() {
+  git ls-files | single_file
+}
+
+#
+# get the number of the lines
+#
+line_count() {
+  lines | wc -l
+}
+
+result() {
+  lines | sort | uniq -c | sort -rn | awk '
+    { args[NR] = $0; sum += $0 }
+    END {
+      for (i = 1; i <= NR; ++i) {
+        printf " %s, %2.1f%%\n", args[i], 100 * args[i] / sum
+      }
+    }
+    ' | column -t -s,
+}
+
 # summary
 
+echo
+echo " project  : $project"
+
 if test "$1" = "--line"; then
-  shift
-  git line-summary "$@"
-  echo
+  echo " lines    : $(line_count)"
+  echo " authors  :"
+  lines | sort | uniq -c | sort -rn | format_authors
 else
 
-  echo
-  echo " project  : $project"
   echo " repo age :" $(repository_age)
   echo " active   :"  $(active_days) days
   echo " commits  :" $(commit_count)
   if test "$commit" = ""; then
     echo " files    :" $(file_count)
   fi
   echo " authors  : "
-  authors
-  echo
-
+  git shortlog -n -s $commit | format_authors
 fi

bin/git-summary

@@ -82,7 +82,7 @@ test $# == 0 && usage
 
 for name in "$@"; do
     name=${name#git-}
-    [[ "$name" == "rscp" || "$name" == "line-summary" ]] && continue
+    [[ "$name" == "rscp" ]] && continue
     check "$name"
 done
 

check_integrity.sh

@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "GIT\-EXTRAS" "1" "June 2019" "" "Git Extras"
+.TH "GIT\-EXTRAS" "1" "July 2019" "" "Git Extras"
 .
 .SH "NAME"
 \fBgit\-extras\fR \- Awesome GIT utilities
@@ -120,9 +120,6 @@ Self update\.
 \fBgit\-info(1)\fR Returns information on current repository
 .
 .IP "\(bu" 4
-\fBgit\-line\-summary(1)\fR Show repository summary by line
-.
-.IP "\(bu" 4
 \fBgit\-local\-commits(1)\fR List local commits
 .
 .IP "\(bu" 4
@@ -171,7 +168,7 @@ Self update\.
 \fBgit\-rename\-branch(1)\fR rename local branch and push to remote
 .
 .IP "\(bu" 4
-\fBgit\-rename\-remote(1)\fR rename a remote
+\fBgit\-rename\-remote(1)\fR Rename a remote
 .
 .IP "\(bu" 4
 \fBgit\-rename\-tag(1)\fR Rename a tag

man/git-extras.1

@@ -51,7 +51,6 @@ git-extras(1) -- Awesome GIT utilities
    - **git-ignore-io(1)** Get sample gitignore file
    - **git-ignore(1)** Add .gitignore patterns
    - **git-info(1)** Returns information on current repository
-   - **git-line-summary(1)** Show repository summary by line
    - **git-local-commits(1)** List local commits
    - **git-lock(1)** Lock a file excluded from version control
    - **git-locked(1)** ls files that have been locked