feat: Implement the github release helper with github.sh

bootstrap.sh

@@ -41,7 +41,7 @@ else
     BOOTSTRAP_SOURCE_DIR="$BOOTSTRAP_TMP_DIR"
     
     _BASE_URL="https://git.adityagupta.dev/sortedcord/bootstrap/raw/branch/master"
-    _LIBS=("lib/common.sh" "lib/rollback.sh" "lib/platform.sh" "lib/shell_config.sh" "lib/plugins.sh" "lib/registry_helpers.sh")
+    _LIBS=("lib/common.sh" "lib/rollback.sh" "lib/platform.sh" "lib/shell_config.sh" "lib/plugins.sh" "lib/registry_helpers.sh" "lib/github.sh")
     
     _curl_args=()
     for _lib in "${_LIBS[@]}"; do
@@ -57,6 +57,7 @@ if [ -f "$BOOTSTRAP_SOURCE_DIR/lib/common.sh" ]; then
     . "$BOOTSTRAP_SOURCE_DIR/lib/platform.sh"
     . "$BOOTSTRAP_SOURCE_DIR/lib/shell_config.sh"
     . "$BOOTSTRAP_SOURCE_DIR/lib/registry_helpers.sh"
+    . "$BOOTSTRAP_SOURCE_DIR/lib/github.sh"
     init_rollback_system
 else
     echo "Error: Failed to locate or download bootstrap libraries." >&2
@@ -84,6 +85,7 @@ install_bootstrap() {
         "lib/platform.sh"
         "lib/shell_config.sh"
         "lib/registry_helpers.sh"
+        "lib/github.sh"
         "lib/plugins.sh"
         "commands/help.sh"
         "commands/con.sh"

installers/install_lazygit.sh

@@ -30,11 +30,7 @@ install_lazygit() {
     fi
 
     local latest_tag=""
-    if has_command curl; then
-        latest_tag=$(curl -sL https://api.github.com/repos/jesseduffield/lazygit/releases/latest \
-            | grep '"tag_name":' | head -n1 \
-            | sed -E 's/.*"tag_name": "([^"]+)".*/\1/' || true)
-    fi
+    latest_tag=$(github_get_latest_release "jesseduffield/lazygit")
 
     if [ -z "$latest_tag" ]; then
         latest_tag="v0.62.2"  # fallback
@@ -49,8 +45,6 @@ install_lazygit() {
         arch_str="arm64"
     fi
 
-    local url="https://github.com/jesseduffield/lazygit/releases/download/${latest_tag}/lazygit_${version}_linux_${arch_str}.tar.gz"
-
     TMP_DIR="$(make_temp_dir)"
     cleanup() { rm -rf "$TMP_DIR"; }
     trap cleanup EXIT
@@ -58,7 +52,7 @@ install_lazygit() {
     local dest="$TMP_DIR/lazygit.tar.gz"
 
     log_info "Downloading lazygit ${latest_tag}..."
-    download_file "$url" "$dest"
+    github_download_asset "jesseduffield/lazygit" "$latest_tag" "lazygit_${version}_linux_${arch_str}\.tar\.gz" "$dest"
 
     log_info "Extracting..."
     tar -xzf "$dest" -C "$TMP_DIR"

installers/install_yazi.sh

@@ -68,15 +68,15 @@ install_yazi() {
         pkg_install curl git
 
         log_info "Fetching latest Yazi version from GitHub..."
-        local latest_tag
-        latest_tag=$(curl -sL https://api.github.com/repos/sxyazi/yazi/releases/latest | grep '"tag_name":' | head -n1 | sed -E 's/.*"tag_name": "([^"]+)".*/\1/' || true)
+        local latest_tag=""
+        latest_tag=$(github_get_latest_release "sxyazi/yazi")
+        
         if [ -z "$latest_tag" ]; then
             latest_tag="v26.5.6"
         fi
 
-        local deb_url="https://github.com/sxyazi/yazi/releases/download/${latest_tag}/yazi-x86_64-unknown-linux-gnu.deb"
-        log_info "Downloading Yazi ${latest_tag} from ${deb_url}..."
-        download_file "$deb_url" "$TMP_DIR/yazi.deb"
+        log_info "Downloading Yazi ${latest_tag}..."
+        github_download_asset "sxyazi/yazi" "$latest_tag" "yazi-x86_64-unknown-linux-gnu\.deb" "$TMP_DIR/yazi.deb"
 
         log_info "Installing Yazi package..."
         sudo apt install -y "$TMP_DIR/yazi.deb"

lib/github.sh

@@ -0,0 +1,53 @@
+#!/usr/bin/env bash
+# GitHub API helper functions for Bootstrap installers
+
+# Usage: github_get_latest_release <owner/repo>
+# Prints the tag_name of the latest release.
+github_get_latest_release() {
+    local repo="$1"
+    local tag
+    tag=$(curl -fsSL "https://api.github.com/repos/$repo/releases/latest" | jq -r '.tag_name // empty')
+    echo "$tag"
+}
+
+# Usage: github_get_download_url <owner/repo> <tag> <regex_pattern>
+# Finds the asset matching the regex pattern in the specified release tag and prints its download URL.
+github_get_download_url() {
+    local repo="$1"
+    local tag="$2"
+    local pattern="$3"
+    
+    # If the tag is exactly 'latest', fetch the latest release asset list
+    local endpoint
+    if [ "$tag" = "latest" ]; then
+        endpoint="https://api.github.com/repos/$repo/releases/latest"
+    else
+        endpoint="https://api.github.com/repos/$repo/releases/tags/$tag"
+    fi
+    
+    local url
+    url=$(curl -fsSL "$endpoint" | jq -r --arg regex "$pattern" '.assets[] | select(.name | test($regex; "i")) | .browser_download_url' | head -n1)
+    echo "$url"
+}
+
+# Usage: github_download_asset <owner/repo> <tag> <regex_pattern> <dest_file>
+# Resolves the URL for the matching asset and downloads it to dest_file.
+github_download_asset() {
+    local repo="$1"
+    local tag="$2"
+    local pattern="$3"
+    local dest="$4"
+    
+    local url
+    url=$(github_get_download_url "$repo" "$tag" "$pattern")
+    
+    if [ -z "$url" ]; then
+        log_error "Could not find asset matching regex '$pattern' for $repo@$tag"
+        return 1
+    fi
+    
+    log_info "Downloading $url ..."
+    download_file "$url" "$dest"
+}
+
+export -f github_get_latest_release github_get_download_url github_download_asset