Allow --mode user to fetch repos of arbitrary --user value

Improve error handling

README.md

@@ -30,10 +30,10 @@ There are four modes of operation, which the script can print out to the console
 ./github2gitea-mirror -m
 
 Usage: ./github2gitea-mirror
-   -m, --mode {org,star,repo,user}     Mode to use; either mirror an organization or mirror all starred repositories.
+   -m, --mode {org,star,repo,user}     Mode to use; mirror an organization, mirror all starred repositories, mirror a single repo, or mirror a user.
    -o, --org $organization             GitHub organization to mirror and/or the target organization in Gitea.
-   -u, --user $github_user             GitHub user to gather the starred repositories from.
-   -v, --visibility {public,private}   Visibility for the created Gitea organization.
+   -u, --user $github_user             GitHub user to gather repositories from.
+   -v, --visibility {public,private}   Visibility for the created Gitea organization or user.
    -r, --repo $repo_url                GitHub URL of a single repo to create a mirror for.
 ```
 
@@ -41,7 +41,7 @@ Usage: ./github2gitea-mirror
   - `org`: Mirror a complete oranization with all its public/private repositories.
   - `star`: Mirror all starred repositories by user `$github_user`.
   - `repo`: Mirror a single (public or private) repository.
-  - `user`: Mirror a complete user with all its public/private repositories.
+  - `user`: Mirror a complete user `$github_user` with all its public/private repositories.
 
 #### Examples
 
@@ -60,11 +60,16 @@ Mirror a single GitHub repository:
 ./github2gitea-mirror -m repo https://github.com/maxkratz/github2gitea-mirror -u $myGitHubUser
 ```
 
-Mirror a complete GitHub user:
+Mirror your own complete GitHub user:
 ```bash
 ./github2gitea-mirror -m user -u $myGitHubUser
 ```
 
+Mirror someone else's complete GitHub user:
+```bash
+./github2gitea-mirror -m user -v public -u $someGitHubUser
+```
+
 #### TODOs
   - [x] Mirror a complete GitHub organization
   - [x] Mirror (single) private repos

github2gitea-mirror

@@ -35,7 +35,7 @@ fi
 
 # Parse input arguments
 if [[ -z "$1" ]]; then
-	log "No parameter(s) given. Exit."
+	echo -e "No parameter(s) given. Exit."
     exit 1
 fi
 while [[ "$#" -gt 0 ]]; do
@@ -45,7 +45,7 @@ while [[ "$#" -gt 0 ]]; do
         -u|--user) github_user="$2"; shift ;;
         -v|--visibility) visibility="$2"; shift ;;
         -r|--repo) repo="$2"; shift ;;
-		*) log "Unknown parameter passed: $1"; exit 1 ;;
+		*) echo -e "Unknown parameter passed: $1"; exit 1 ;;
 	esac
 	shift
 done
@@ -114,7 +114,26 @@ set_uid() {
 
 # Sets the uid to the specified Gitea user
 set_uid_user() {
-    uid=$($CURL "${header_options[@]}" $GITEA_URL/api/v1/users/${github_user} | jq .id)
+    if $CURL "${header_options[@]}" $GITEA_URL/api/v1/users/${github_user} >${jsonoutput}/result.txt ; then
+        uid=$(jq .id <${jsonoutput}/result.txt)
+    else
+        if [[ $(jq <${jsonoutput}/result.txt '. | length') -eq 0 ]] ; then
+            log "Gitea user not found. Creating user."
+            if [[ -z "${visibility}" ]]; then
+                echo -e "Visibility not set."
+                exit 1
+            fi
+            create_migration_user ${visibility}
+            if $CURL "${header_options[@]}" $GITEA_URL/api/v1/users/${github_user} >${jsonoutput}/result.txt ; then
+                uid=$(jq .id <${jsonoutput}/result.txt)
+            else
+                echo -e "Failed to get Gitea user after attempted creation. Exiting."
+                exit 1
+            fi
+        else
+            exit 1
+        fi
+    fi
 }
 
 # Fetches all starred repos of the given user to JSON files
@@ -142,9 +161,21 @@ fetch_orga_repos() {
 # Fetches all public/private repos of the given GitHub user to JSON files
 fetch_user_repos() {
     log "Fetch user repos."
+    $CURL "https://api.github.com/user" -u "${github_user}:${GITHUB_TOKEN}" >${jsonoutput}/user.txt
+    if (( $(jq <${jsonoutput}/user.txt '. | length') == 0 ))
+    then
+        echo -e "Empty response or 404 from GitHub. Exiting."
+        exit 1
+    else
+        if  [[ $(jq <${jsonoutput}/user.txt '.login') == "\"${github_user}\"" ]] ; then
+            local url_segment="user"
+        else
+            local url_segment="users/${github_user}"
+        fi
+    fi
     i=1
     # GitHub API just returns empty arrays instead of 404
-    while $CURL "https://api.github.com/user/repos?affiliation=owner&page=${i}&per_page=100" -u "${github_user}:${GITHUB_TOKEN}" >${jsonoutput}/${i}.json \
+    while $CURL "https://api.github.com/${url_segment}/repos?affiliation=owner&page=${i}&per_page=100" -u "${github_user}:${GITHUB_TOKEN}" >${jsonoutput}/${i}.json \
 	    && (( $(jq <${jsonoutput}/${i}.json '. | length') > 0 )) ; do
 	    (( i++ ))
     done
@@ -167,6 +198,23 @@ create_migration_repo() {
             log "409: Gitea repo already exists. Skipping migration."
         else
             cat ${jsonoutput}/stderr.txt >&2
+            exit 1
+        fi
+    fi
+}
+
+# Creates a specific public/private user on Gitea
+create_migration_user() {
+    visibility="${1:-}"
+    log "Create migration user with name: ${github_user}"
+    local password=$(tr -dc 'A-Za-z0-9!@#$%^&*()_+\-=[]{}\|;:,.<>/`~' < /dev/urandom | head -c 64)
+    if ! $CURL -X POST $GITEA_URL/api/v1/admin/users "${header_options[@]}" --data '{"username": "'"${github_user}"'", "visibility": "'"${visibility}"'", "email": "'"${github_user}@example.com"'", "password": "'"${password}"'", "must_change_password": true}' > ${jsonoutput}/result.txt 2>${jsonoutput}/stderr.txt; then
+        local code=$(<${jsonoutput}/result.txt)
+        if (( code == 422 ));then # 422 == user already exits
+            log "422: Gitea user already exists. Skipping creation."
+        else
+            cat ${jsonoutput}/stderr.txt >&2
+            exit 1
         fi
     fi
 }
@@ -181,6 +229,7 @@ create_migration_orga() {
             log "422: Gitea orga already exists. Skipping creation."
         else
             cat ${jsonoutput}/stderr.txt >&2
+            exit 1
         fi
     fi
 }