Escape sed-special characters in rename_project.sh

Address Sourcery review: project names containing \, &, or / could
corrupt sed substitutions. Add escape_sed helper to sanitize all
positional parameters before interpolating into sed patterns.

Author: blooop

scripts/rename_project.sh

@@ -1,27 +1,35 @@
 #!/bin/bash
 
+# Escape characters special in sed replacement strings (\, &, /)
+escape_sed() { printf '%s\n' "$1" | sed 's/[\\&/]/\\&/g'; }
+
 mv python_template "$1"
 
+ESCAPED_1=$(escape_sed "$1")
+
 # change project name in all files (exclude main devcontainer.json to protect template image URL)
-find . \( -type d -name .git -prune \) -o \( -type f -not -name 'tasks.json' -not -name 'update_from_template.sh' -not -name 'pixi.lock' -not -path './.devcontainer/devcontainer.json' \) -print0 | xargs -0 sed -i "s/python_template/$1/g"
+find . \( -type d -name .git -prune \) -o \( -type f -not -name 'tasks.json' -not -name 'update_from_template.sh' -not -name 'pixi.lock' -not -path './.devcontainer/devcontainer.json' \) -print0 | xargs -0 sed -i "s/python_template/$ESCAPED_1/g"
 
 # update just the name field in devcontainer.json
-sed -i "s/\"name\": \"python_template\"/\"name\": \"$1\"/" .devcontainer/devcontainer.json
+sed -i "s/\"name\": \"python_template\"/\"name\": \"$ESCAPED_1\"/" .devcontainer/devcontainer.json
 
 # regenerate lockfile to match renamed project
 pixi update
 
 # author name
 if [ -n "$2" ]; then
-    find . \( -type d -name .git -prune \) -o \( -type f -not -name 'tasks.json' -not -name 'update_from_template.sh'  \) -print0 | xargs -0 sed -i "s/Austin Gregg-Smith/$2/g"
+    ESCAPED_2=$(escape_sed "$2")
+    find . \( -type d -name .git -prune \) -o \( -type f -not -name 'tasks.json' -not -name 'update_from_template.sh'  \) -print0 | xargs -0 sed -i "s/Austin Gregg-Smith/$ESCAPED_2/g"
 fi
 
 # author email
 if [ -n "$3" ]; then
-    find . \( -type d -name .git -prune \) -o \( -type f -not -name 'tasks.json' -not -name 'update_from_template.sh'  \) -print0 | xargs -0 sed -i "s/blooop@gmail.com/$3/g"
+    ESCAPED_3=$(escape_sed "$3")
+    find . \( -type d -name .git -prune \) -o \( -type f -not -name 'tasks.json' -not -name 'update_from_template.sh'  \) -print0 | xargs -0 sed -i "s/blooop@gmail.com/$ESCAPED_3/g"
 fi
 
 # github username (exclude main devcontainer.json to protect template image URL)
 if [ -n "$4" ]; then
-    find . \( -type d -name .git -prune \) -o \( -type f -not -name 'setup_host.sh' -not -name 'update_from_template.sh' -not -path './.devcontainer/devcontainer.json' \) -print0 | xargs -0 sed -i "s/blooop/$4/g"
+    ESCAPED_4=$(escape_sed "$4")
+    find . \( -type d -name .git -prune \) -o \( -type f -not -name 'setup_host.sh' -not -name 'update_from_template.sh' -not -path './.devcontainer/devcontainer.json' \) -print0 | xargs -0 sed -i "s/blooop/$ESCAPED_4/g"
 fi