From d0d67d27ae4568ec8d68a6277717d1a0200673b4 Mon Sep 17 00:00:00 2001
From: Thomas Letan <lthms@soap.coffee>
Date: Mon, 17 Feb 2020 08:54:59 +0100
Subject: Keep track of file renames in the revision table

---
 scripts/generate_history.sh | 68 +++++++++++++++++++++------------------------
 1 file changed, 31 insertions(+), 37 deletions(-)

(limited to 'scripts')

diff --git a/scripts/generate_history.sh b/scripts/generate_history.sh
index b0d1b82..65de78e 100755
--- a/scripts/generate_history.sh
+++ b/scripts/generate_history.sh
@@ -1,60 +1,54 @@
 #!/usr/bin/bash
 
-function commits_count () {
-    local file=${1}
-    local res=$(git --no-pager log --pretty=format:"" "${file}" | wc -l)
+FORMAT="{\"subject\":\"%s\",\"abbr_hash\":\"%h\",\"hash\":\"%H\",\"date\":\"%cs\""
+
+function generate_history_json () {
+    local file="${1}"
+
+    local logs=$(git --no-pager log --follow --pretty=format:"${FORMAT}" "${file}")
 
     if [ ! $? -eq 0 ]; then
         exit 1
     fi
 
-    echo -n "$(( ${res} ))"
-}
+    local count=0
+    local name="${file}"
+
+    while read -r line; do
+        local hash=$(echo "${line}}" | jq -j '.hash')
+
+        local pre_name="$(git --no-pager show --stat=10000 ${hash} | sed -e 's/ *\(.*\){\(.*\) => \(.*\)}/\1\2 => \1\3/'  | grep "=> ${name}" | xargs | cut -d' ' -f1)"
+
+        if [[ ! -z "${pre_name}" ]]; then
+            name="$(echo ${pre_name})"
+        fi
+
+        if [[ ${count} -eq 0 ]]; then
+            echo -n "[ "
+        else
+            echo -n ", "
+        fi
+
+        echo "${line}, \"filename\":\"${name}\"}"
 
-function print_commit_format () {
-    local file=${1}
-    local nth=${2}
-    local format=${3}
+        count=$(( ${count} + 1 ))
+    done < <(echo "${logs}")
 
-    git --no-pager log --skip=${nth} -n1 --pretty=format:"${format}" "${file}"
+    echo -n "]"
 }
 
-function generate_json_history () {
+function generate_json () {
   local file="${1}"
-  local count=$(commits_count ${file})
 
   echo "{"
   echo "  \"file\" : \"${file}\","
-  echo "  \"history\" :"
-  echo "    ["
-  for i in $(seq 0 ${count}); do
-      subject="$(print_commit_format ${file} ${i} '%s')"
-      abbr_hash="$(print_commit_format ${file} ${i} '%h')"
-      hash="$(print_commit_format ${file} ${i} '%H')"
-      date="$(print_commit_format ${file} ${i} '%cs')"
-
-  echo "      {"
-  echo "        \"subject\" : \"${subject}\","
-  echo "        \"abbr_hash\" : \"${abbr_hash}\","
-  echo "        \"hash\" : \"${hash}\","
-  echo "        \"date\" : \"${date}\""
-  echo -n \
-       "      }"
-
-      if [ ! ${i} -eq ${count} ]; then
-          echo ","
-      else
-          echo ""
-      fi
-  done
-
-  echo "    ]"
+  echo "  \"history\" : $(generate_history_json "${file}")"
   echo "}"
 }
 
 FILE=`cat`
 
 tmp_file=$(mktemp)
-generate_json_history ${FILE} > ${tmp_file}
+generate_json ${FILE} > ${tmp_file}
 haskell-mustache ${1} ${tmp_file}
 rm ${tmp_file}
-- 
cgit v1.2.3