pub / git_activity

commit a2994ece5e28cb43184a96b607acf5a406b73251
Author: JayVii <jayvii[AT]posteo[DOT]de>
Date:   Thu,  6 Jun 2024 21:47:39 +0200

initial script

Diffstat:
A
.reuse/dep5
 | 
8
++++++++
A
README
 | 
20
++++++++++++++++++++
A
activity.sh
 | 
103
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

3 files changed, 131 insertions(+), 0 deletions(-)
diff --git a/.reuse/dep5 b/.reuse/dep5
@@ -0,0 +1,8 @@
+Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
+Upstream-Name: git_activity
+Upstream-Contact: JayVii <jayvii[AT]posteo[DOT]de>
+Source: https://src.jayvii.de/pub/git_activity
+
+Files: README
+Copyright: 2024 JayVii <jayvii[AT]posteo[DOT]de>
+License: AGPL-3.0-or-later
diff --git a/README b/README
@@ -0,0 +1,20 @@
+git_activity
+============
+
+Please send patches or remarks to <jayvii[AT]posteo[DOT]de>
+
+Script that generates git-activity bars similar to the "GitHub Activity" graphs
+as HTML.
+
+Written for the integration into my stagit setup, this may be used for other
+websites as well (https://src.jayvii.de/pub/stagit-jayvii.de).
+
+Usage
+-----
+
+	./activity.sh /PATH/TO/GIT/REPO /PATH/TO/ANOTHER/REPO /PATH/TO/MORE/REPOS
+
+License
+-------
+
+git_activity is licensed under AGPL-3.0-or-later
diff --git a/activity.sh b/activity.sh
@@ -0,0 +1,103 @@
+#!/usr/bin/env bash
+# SPDX-License-Identifier: AGPL-3.0-or-later
+# SPDX-FileCopyrightText: 2024 JayVii <jayvii[AT]posteo[DOT]de>
+
+# Fetch Inputs -----------------------------------------------------------------
+
+# all given arguments are interpreted as git-directories
+DIRS="$@"
+
+# Output Functions -------------------------------------------------------------
+
+# HTML output
+function html_output {
+  TTL=""
+  DTE="$1"
+  CMT="$2"
+  OPC="$3"
+  if [[ ! -z $DTE ]]; then TTL+="$DTE"; fi
+  if [[ ! -z $CMT ]]; then TTL+=": $CMT commits"; fi
+  if [[ $OPC -lt 5 ]]; then OPC=5; fi
+  ID="activity-$OPC"
+  CL="activitypoint"
+  STL="opacity:calc($OPC/100);"
+  ARGS="id=\"$ID\" class=\"activitypoint\" style=\"$STL\" title=\"$TTL\""
+  printf "<span $ARGS\">&#9632;</span>"
+}
+
+# Collect activity -------------------------------------------------------------
+
+# By Months
+for DIR in $DIRS; do
+  ACTIVITY+="$(
+    git \
+      -C $DIR \
+      log --date=short --pretty=format:%ad | \
+      awk '{print substr($1, 1, 7)}'
+  )\n"
+done
+
+# aggregate activity
+AGGREGATE=$(
+  printf "$ACTIVITY" | \
+    sort | \
+    uniq -c
+)
+
+# Process Activity -------------------------------------------------------------
+
+# get timeframe
+MIN_TIME=$(echo "$AGGREGATE" | head -n 1 | awk '{ print $NF }')
+MAX_TIME=$(date +%Y-%m -d "next month")
+
+# get value range
+MIN_VAL=0
+MAX_VAL=$(echo "$AGGREGATE" | awk '{ print $1 }' | sort -n | tail -n 1)
+
+# Generate output --------------------------------------------------------------
+
+# initilise html
+MIN_TIME_PRETTY=$(date --date "${MIN_TIME}-01" "+%b, %Y")
+MAX_TIME_PRETTY=$(date --date "${MAX_TIME}-01 -1 day" "+%b, %Y")
+HTML="<h6>Activity: ${MIN_TIME_PRETTY} - ${MAX_TIME_PRETTY}</h6>"
+
+# cycle through months from earliest timepoint
+CUR_TIME=$MIN_TIME
+while [ $CUR_TIME != $MAX_TIME ]; do
+
+  # fetch current value
+  CUR_VAL=$(echo "$AGGREGATE" | grep $CUR_TIME | awk '{ print $1 }')
+
+  # normalise current value [0, 100]
+  NRM_VAL=$((${CUR_VAL:-0} * 100 / $MAX_VAL))
+
+  # list data in variable
+  # DATA+="$CUR_TIME ${CUR_VAL:-0} ${NRM_VAL:-5}\n"
+
+  # output HTML
+  CUR_TIME_PRETTY=$(date --date "${CUR_TIME}-01" "+%b, %Y")
+  HTML+=$(html_output "$CUR_TIME_PRETTY" ${CUR_VAL:-0} ${NRM_VAL:-0})
+
+  # update current time
+  CUR_TIME=$(date --date "${CUR_TIME}-01 +1 month" +%Y-%m)
+
+  # reset variables for next round
+  CUR_VAL=""
+  NRM_VAL=""
+
+done
+
+# add legend
+HTML+="<br><p id=\"activitylegend\">Less "
+for LV in $(seq 0 20 100); do
+  LND_VAL=$(($LV * $MAX_VAL / 100))
+  HTML+=$(html_output 'Legend' $LND_VAL $LV)
+done
+HTML+=" More</p>"
+
+# add "activitybar" div
+HTML="<div id=\"activitybar\">$HTML</div>"
+
+# Print output -----------------------------------------------------------------
+
+printf "$HTML"