GH-679: Create a script for bumping version (#242)

* initialize bump_version script

* GH-679: add the ability to generate lockfile

* GH-679: minor improvements

* GH-679: add the ability to print the names of failed crates

* GH-679: conditionally print the output message

* GH-679: remove the error coming from the asterisk

* GH-679: iterate through loops for the crates

* GH-679: check if the right number of args were supplied

* GH-679: quotes cleanup

* GH-679: improve the regex

* GH-679: decouple pattern from the sed command

* GH-679: check the pattern with grep

* GH-679: conditionally print message for failed crates

* GH-679: migrate pushd and popd to the for loop

* GH-679: add the ability to find crates

* GH-679: review 2 changes

ci/bump_version.sh

@@ -0,0 +1,64 @@
+#!/bin/bash
+
+if [ $# != 1 ]
+then
+     echo "Please provide version as the first argument"
+     exit 1
+fi
+
+version="$1"
+CI_DIR="$( cd "$( dirname "$0" )" && pwd )"
+pushd "$CI_DIR/../"
+
+echo "Searching for crates..."
+
+crates=($(find . -type d -exec bash -c '[ -f "$0"/Cargo.toml ]' '{}' \; -print))
+
+if [[ "${#crates[@]}" == "0" ]]; then
+  echo "No crates found."
+  exit 1
+else
+  echo "Found ${#crates[@]} crate(s): ${crates[*]}"
+fi
+
+file=Cargo.toml
+final_exit_code=0
+declare -a grep_failures
+declare -a lockfile_failures
+
+bump_version() {
+  # Catches every `version` that begins a line and doesn't end with a comma.
+  find_pattern='^version\s*=.*[^,]\s*$'
+  replace_pattern='s/'$find_pattern'/version = "'"$version"'"/'
+
+  grep -q "$find_pattern" "$file" && sed -i "$replace_pattern" "$file"
+  exit_code="$?"
+  if [[ "$exit_code" != "0" ]]; then
+    final_exit_code=1
+    grep_failures+=($1)
+    return
+  fi
+
+  cargo generate-lockfile
+  exit_code="$?"
+  if [[ "$exit_code" != "0" ]]; then
+    final_exit_code=1
+    lockfile_failures+=($1)
+  fi
+}
+
+for crate in "${crates[@]}"
+do
+  pushd "$crate"
+  bump_version "$crate"
+  popd
+done
+
+if [[ $final_exit_code != 0 ]]; then
+  [[ "${#grep_failures[@]}" != "0" ]] && echo "Failed to find 'version' for ${#grep_failures[@]} crate(s): ${grep_failures[*]}"
+  [[ "${#lockfile_failures[@]}" != "0" ]] && echo "Failed to generate lockfile for ${#lockfile_failures[@]} crate(s): ${lockfile_failures[*]}"
+else
+  echo "The version number has been changed to $version."
+fi
+
+exit $final_exit_code