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-rwxr-xr-xupdate_ungoogled_chromium.sh61
1 files changed, 35 insertions, 26 deletions
diff --git a/update_ungoogled_chromium.sh b/update_ungoogled_chromium.sh
index c433182..2b369eb 100755
--- a/update_ungoogled_chromium.sh
+++ b/update_ungoogled_chromium.sh
@@ -1,7 +1,7 @@
#!/bin/bash
# Shell script to update ungoogled-chromium Portable Linux 64-bit to the latest version
-# $1 -> Wrapper symlink location
+# $1 (optional) -> Wrapper symlink location (ungoogled-chromium by default)
# $2 (optional) -> Install location
# Return Values:
# 0 -> failed
@@ -18,12 +18,23 @@ ATOM_URL="https://raw.githubusercontent.com/ungoogled-software/ungoogled-chromiu
# Default platform to install/update
PLATFORM="Portable Linux 64-bit"
+# Set LINK argument (with a default value)
+LINK="ungoogled-chromium"
+if [ -n "$1" ]; then
+ LINK="$1"
+fi
+
+# Set LOCATION argument
+if [ -n "$2" ]; then
+ LOCATION="$2"
+fi
+
# Print help message
print_help() {
echo "Usage: $0 LINK [LOCATION]"
echo
- echo "LINK is the path for a symlink pointing to the ungoogled-chromium executable"
+ echo "LINK is the path for a symlink pointing to the ungoogled-chromium executable (ungoogled-chromium by default)"
echo "LOCATION is the desired install location for ungoogled-chromium. It does not need to be specified unless installing ungoogled-chromium for the first time"
}
@@ -91,13 +102,6 @@ get_install_path() {
}
-# Exit if $1 does not exist
-if [ -z "$1" ]; then
- echo "Error: too few arguments"
- print_help
- exit 0
-fi
-
# Fetch info, break and store into variables
PARSED_XML=$(curl -s $ATOM_URL | xml2)
@@ -112,17 +116,22 @@ NAME=$(echo "$FULL_INFO" | head -n 1 | cut -d ':' -f 1)
VERSION=$(echo "$FULL_INFO" | head -n 1 | cut -d ':' -f 2 | sed 's/^[ ]*//g' | grep -E -o "[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+")
URL=$(echo "$FULL_INFO" | sed -n "2p")
+# Handle if LINK is in PATH by getting the absolute path with which
+if [ ! -e "$LINK" ]; then
+ LINK=$(which "$LINK")
+fi
+
# Check installed version number (if exists and link is valid)
-if [ -h "$1" ] && [ "$(readlink -f "$1" | grep -E -o "[/][^/]*$")" == "/chrome-wrapper" ]; then
+if [ -h "$LINK" ] && [ "$(readlink -f "$LINK" | grep -E -o "[/][^/]*$")" == "/chrome-wrapper" ]; then
# If the symlink exists, ensure I can write to it
- if [ ! -w "$1" ]; then
- echo "Error: Cannot write to $1"
+ if [ ! -w "$LINK" ]; then
+ echo "Error: Cannot write to $LINK"
print_help
exit 0
fi
- MY_VERSION=$($1 --version | grep -E -o "[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+")
+ MY_VERSION=$($LINK --version | grep -E -o "[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+")
# Compare versions to determine if an update is necessary
compare_versions "$VERSION" "$MY_VERSION"
@@ -138,12 +147,12 @@ if [ -h "$1" ] && [ "$(readlink -f "$1" | grep -E -o "[/][^/]*$")" == "/chrome-w
fi
# Get old install location for deletion later
- OLD_INSTALL=$(get_install_path "$(readlink -f "$1" | sed 's/[/][^/]*$//g')")
+ OLD_INSTALL=$(get_install_path "$(readlink -f "$LINK" | sed 's/[/][^/]*$//g')")
# Get install path
- INSTALL_TO=$(get_install_path "$(echo "$2" | sed 's/[/]*$//g')")
+ INSTALL_TO=$(get_install_path "$(echo "$LOCATION" | sed 's/[/]*$//g')")
if [ $? -eq 0 ]; then
- INSTALL_TO=$(get_install_path "$(readlink -f "$1" | sed 's/[/][^/]*[/][^/]*$//g')")
+ INSTALL_TO=$(get_install_path "$(readlink -f "$LINK" | sed 's/[/][^/]*[/][^/]*$//g')")
if [ $? -eq 0 ]; then
print_help
exit 0
@@ -152,31 +161,31 @@ if [ -h "$1" ] && [ "$(readlink -f "$1" | grep -E -o "[/][^/]*$")" == "/chrome-w
else
# First time installation
- if [ -z "$2" ]; then
+ if [ -z "$LOCATION" ]; then
echo "Error: Missing LOCATION argument"
print_help
exit 0
fi
# If a file exists already (that is not a symlink to ungoogled-chromium), then exit
- if [ -e "$1" ]; then
- echo "Error: $1 already exists"
+ if [ -e "$LINK" ]; then
+ echo "Error: $LINK already exists"
print_help
exit 0
fi
# Check that a file can be created in this directory
- touch "$1"
- if [ ! $? -eq 0 ] || [ ! -w "$1" ]; then
- echo "Error: Cannot write to $1"
+ touch "$LINK"
+ if [ ! $? -eq 0 ] || [ ! -w "$LINK" ]; then
+ echo "Error: Cannot write to $LINK"
print_help
exit 0
else
- rm "$1"
+ rm "$LINK"
fi
# Check install path argument
- INSTALL_TO=$(get_install_path "$(echo "$2" | sed 's/[/]*$//g')")
+ INSTALL_TO=$(get_install_path "$(echo "$LOCATION" | sed 's/[/]*$//g')")
if [ $? -eq 0 ]; then
print_help
exit 0
@@ -217,8 +226,8 @@ tar -xf "/tmp/$TAR_FILE" --directory "$INSTALL_TO/"
PARENT_DIR=$(tar -tvf "/tmp/$TAR_FILE" | head -n 1 | cut -d ' ' -f 6 | cut -d '/' -f 1)
# Create symlink
-echo "Creating symlink $1"
-ln -fns "$INSTALL_TO/$PARENT_DIR/chrome-wrapper" "$1"
+echo "Creating symlink $LINK"
+ln -fns "$INSTALL_TO/$PARENT_DIR/chrome-wrapper" "$LINK"
# Cleanup
echo "Removing /tmp/$TAR_FILE"